Mirror/inav
1
0
Fork 0
mirror of https://github.com/iNavFlight/inav.git synced 2025-07-23 16:25:26 +03:00
Code Issues Wiki Activity

NRF24 support for iNav.

Browse source
This commit is contained in:
Martin Budden 2016-04-09 21:53:21 +01:00
parent bb7314b83c
commit 918e2ffd3d
23 changed files with 2102 additions and 41 deletions
Download patch file Download diff file Expand all files Collapse all files

164
Makefile
View file

@ -418,6 +418,72 @@ COMMON_SRC = \
sensors/initialisation.c \
$(CMSIS_SRC) \
$(DEVICE_STDPERIPH_SRC)
=======
INCLUDE_DIRS := $(INCLUDE_DIRS) \
$(TARGET_DIR)
VPATH := $(VPATH):$(TARGET_DIR)
COMMON_SRC = build_config.c \
debug.c \
version.c \
$(TARGET_SRC) \
config/config.c \
config/runtime_config.c \
common/maths.c \
common/printf.c \
common/typeconversion.c \
common/encoding.c \
common/filter.c \
scheduler/scheduler.c \
scheduler/scheduler_tasks.c \
main.c \
mw.c \
flight/failsafe.c \
flight/pid.c \
flight/imu.c \
flight/hil.c \
flight/mixer.c \
drivers/bus_i2c_soft.c \
drivers/serial.c \
drivers/sound_beeper.c \
drivers/system.c \
drivers/gps_i2cnav.c \
drivers/gyro_sync.c \
drivers/buf_writer.c \
drivers/rx_nrf24l01.c \
io/beeper.c \
io/rc_controls.c \
io/rc_curves.c \
io/serial.c \
io/serial_4way.c \
io/serial_4way_avrootloader.c \
io/serial_4way_stk500v2.c \
io/serial_cli.c \
io/serial_msp.c \
io/statusindicator.c \
rx/rx.c \
rx/pwm.c \
rx/msp.c \
rx/sbus.c \
rx/sumd.c \
rx/sumh.c \
rx/spektrum.c \
rx/xbus.c \
rx/ibus.c \
rx/nrf24.c \
rx/nrf24_cx10.c \
rx/nrf24_syma.c \
rx/nrf24_v202.c \
sensors/acceleration.c \
sensors/battery.c \
sensors/boardalignment.c \
sensors/compass.c \
sensors/gyro.c \
sensors/initialisation.c \
$(CMSIS_SRC) \
$(DEVICE_STDPERIPH_SRC)
>>>>>>> NRF24 support for iNav.
HIGHEND_SRC = \
blackbox/blackbox.c \
@ -455,6 +521,7 @@ VCP_SRC = \
drivers/serial_usb_vcp.c
else
VCP_SRC = \
<<<<<<< HEAD
vcp/hw_config.c \
vcp/stm32_it.c \
vcp/usb_desc.c \
@ -496,6 +563,7 @@ STM32F4xx_COMMON_SRC = \
startup_stm32f40xx.s \
target/system_stm32f4xx.c \
drivers/accgyro_mpu.c \
<<<<<<< HEAD
drivers/adc_stm32f4xx.c \
drivers/adc_stm32f4xx.c \
drivers/bus_i2c_stm32f10x.c \
@ -518,6 +586,102 @@ endif
ifneq ($(filter ONBOARDFLASH,$(FEATURES)),)
TARGET_SRC += \
=======
drivers/accgyro_mpu3050.c \
drivers/accgyro_mpu6050.c \
drivers/accgyro_mpu6500.c \
drivers/accgyro_spi_mpu6500.c \
drivers/barometer_bmp085.c \
drivers/barometer_bmp280.c \
drivers/barometer_ms5611.c \
drivers/compass_ak8975.c \
drivers/compass_hmc5883l.c \
drivers/compass_mag3110.c \
drivers/flash_m25p16.c \
drivers/light_ws2811strip.c \
drivers/light_ws2811strip_stm32f10x.c \
drivers/sonar_hcsr04.c \
drivers/sonar_srf10.c \
io/flashfs.c \
hardware_revision.c \
$(HIGHEND_SRC) \
$(COMMON_SRC)
=======
vcp/hw_config.c \
vcp/stm32_it.c \
vcp/usb_desc.c \
vcp/usb_endp.c \
vcp/usb_istr.c \
vcp/usb_prop.c \
vcp/usb_pwr.c \
drivers/serial_usb_vcp.c
NAZE_SRC = startup_stm32f10x_md_gcc.S \
drivers/accgyro_adxl345.c \
drivers/accgyro_bma280.c \
drivers/accgyro_l3g4200d.c \
drivers/accgyro_mma845x.c \
drivers/accgyro_mpu.c \
drivers/accgyro_mpu3050.c \
drivers/accgyro_mpu6050.c \
drivers/accgyro_mpu6500.c \
drivers/accgyro_spi_mpu6500.c \
drivers/adc.c \
drivers/adc_stm32f10x.c \
drivers/barometer_bmp085.c \
drivers/barometer_ms5611.c \
drivers/barometer_bmp280.c \
drivers/bus_spi.c \
drivers/bus_spi_soft.c \
drivers/bus_i2c_stm32f10x.c \
drivers/compass_hmc5883l.c \
drivers/compass_mag3110.c \
drivers/compass_ak8975.c \
drivers/display_ug2864hsweg01.h \
drivers/flash_m25p16.c \
drivers/gpio_stm32f10x.c \
drivers/inverter.c \
drivers/light_led_stm32f10x.c \
drivers/light_ws2811strip.c \
drivers/light_ws2811strip_stm32f10x.c \
drivers/sonar_hcsr04.c \
drivers/sonar_srf10.c \
drivers/pwm_mapping.c \
drivers/pwm_output.c \
drivers/pwm_rx.c \
drivers/serial_softserial.c \
drivers/serial_uart.c \
drivers/serial_uart_stm32f10x.c \
drivers/sound_beeper_stm32f10x.c \
drivers/system_stm32f10x.c \
drivers/timer.c \
drivers/timer_stm32f10x.c \
io/flashfs.c \
hardware_revision.c \
$(HIGHEND_SRC) \
$(COMMON_SRC)
>>>>>>> NRF24 support for iNav.
ALIENFLIGHTF1_SRC = $(NAZE_SRC)
EUSTM32F103RC_SRC = \
$(STM32F10x_COMMON_SRC) \
drivers/accgyro_adxl345.c \
drivers/accgyro_bma280.c \
drivers/accgyro_l3g4200d.c \
drivers/accgyro_mma845x.c \
drivers/accgyro_mpu.c \
drivers/accgyro_mpu3050.c \
drivers/accgyro_mpu6050.c \
drivers/accgyro_spi_mpu6000.c \
drivers/accgyro_spi_mpu6500.c \
drivers/barometer_bmp085.c \
drivers/barometer_bmp280.c \
drivers/barometer_ms5611.c \
drivers/compass_ak8975.c \
drivers/compass_hmc5883l.c \
drivers/compass_mag3110.c \
>>>>>>> NRF24 support for iNav.
drivers/flash_m25p16.c \
io/flashfs.c
endif

27
src/main/config/config.c
View file

@ -55,6 +55,7 @@
#include "io/gps.h"
#include "rx/rx.h"
#include "rx/nrf24.h"
#include "blackbox/blackbox_io.h"
@ -81,6 +82,13 @@
void useRcControlsConfig(modeActivationCondition_t *modeActivationConditions, escAndServoConfig_t *escAndServoConfigToUse, pidProfile_t *pidProfileToUse);
#ifndef DEFAULT_RX_FEATURE
#define DEFAULT_RX_FEATURE FEATURE_RX_PARALLEL_PWM
#endif
#ifndef NRF24_DEFAULT_PROTOCOL
#define NRF24_DEFAULT_PROTOCOL 0
#endif
#if !defined(FLASH_SIZE)
#error "Flash size not defined for target. (specify in KB)"
#endif
@ -465,6 +473,7 @@ static void resetConf(void)
resetTelemetryConfig(&masterConfig.telemetryConfig);
masterConfig.rxConfig.serialrx_provider = 0;
masterConfig.rxConfig.nrf24rx_protocol = NRF24_DEFAULT_PROTOCOL;
masterConfig.rxConfig.spektrum_sat_bind = 0;
masterConfig.rxConfig.midrc = 1500;
masterConfig.rxConfig.mincheck = 1100;
@ -794,23 +803,24 @@ void activateConfig(void)
void validateAndFixConfig(void)
{
if (!(featureConfigured(FEATURE_RX_PARALLEL_PWM) || featureConfigured(FEATURE_RX_PPM) || featureConfigured(FEATURE_RX_SERIAL) || featureConfigured(FEATURE_RX_MSP))) {
featureSet(FEATURE_RX_PARALLEL_PWM); // Consider changing the default to PPM
if (!(featureConfigured(FEATURE_RX_PARALLEL_PWM) || featureConfigured(FEATURE_RX_PPM) || featureConfigured(FEATURE_RX_SERIAL) || featureConfigured(FEATURE_RX_MSP) || featureConfigured(FEATURE_RX_NRF24))) {
featureSet(DEFAULT_RX_FEATURE);
}
if (featureConfigured(FEATURE_RX_PPM)) {
featureClear(FEATURE_RX_PARALLEL_PWM);
featureClear(FEATURE_RX_SERIAL | FEATURE_RX_PARALLEL_PWM | FEATURE_RX_MSP | FEATURE_RX_NRF24);
}
if (featureConfigured(FEATURE_RX_MSP)) {
featureClear(FEATURE_RX_SERIAL);
featureClear(FEATURE_RX_PARALLEL_PWM);
featureClear(FEATURE_RX_PPM);
featureClear(FEATURE_RX_SERIAL | FEATURE_RX_PARALLEL_PWM | FEATURE_RX_PPM | FEATURE_RX_NRF24);
}
if (featureConfigured(FEATURE_RX_SERIAL)) {
featureClear(FEATURE_RX_PARALLEL_PWM);
featureClear(FEATURE_RX_PPM);
featureClear(FEATURE_RX_PARALLEL_PWM | FEATURE_RX_MSP | FEATURE_RX_PPM | FEATURE_RX_NRF24);
}
if (featureConfigured(FEATURE_RX_NRF24)) {
featureClear(FEATURE_RX_SERIAL | FEATURE_RX_PARALLEL_PWM | FEATURE_RX_PPM | FEATURE_RX_MSP);
}
#if defined(NAV)
@ -819,6 +829,7 @@ void validateAndFixConfig(void)
#endif
if (featureConfigured(FEATURE_RX_PARALLEL_PWM)) {
featureClear(FEATURE_RX_SERIAL | FEATURE_RX_MSP | FEATURE_RX_PPM | FEATURE_RX_NRF24);
#if defined(STM32F10X)
// rssi adc needs the same ports
featureClear(FEATURE_RSSI_ADC);

3
src/main/config/config.h
View file

@ -43,7 +43,8 @@ typedef enum {
FEATURE_DISPLAY = 1 << 17,
FEATURE_ONESHOT125 = 1 << 18,
FEATURE_BLACKBOX = 1 << 19,
FEATURE_CHANNEL_FORWARDING = 1 << 20
FEATURE_CHANNEL_FORWARDING = 1 << 20,
FEATURE_RX_NRF24 = 1 << 21,
} features_e;
void handleOneshotFeatureChangeOnRestart(void);

97
src/main/drivers/bus_spi_soft.c Normal file
View file

@ -0,0 +1,97 @@
/*
* This file is part of Cleanflight.
*
* Cleanflight is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Cleanflight is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Cleanflight. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdbool.h>
#include <stdint.h>
#include <platform.h>
#include "build_config.h"
#ifdef USE_SOFTSPI
#include "gpio.h"
#include "bus_spi_soft.h"
void softSpiInit(const softSPIDevice_t *dev)
{
#ifdef STM32F303xC
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
// SCK as output
GPIO_InitStructure.GPIO_Pin = dev->sck_pin;
GPIO_InitStructure(dev->sck_gpio, &GPIO_InitStructure);
// MOSI as output
GPIO_InitStructure.GPIO_Pin = dev->mosi_pin;
GPIO_Init(dev->mosi_gpio, &GPIO_InitStructure);
// MISO as input
GPIO_InitStructure.GPIO_Pin = dev->miso_pin;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(dev->miso_gpio, &GPIO_InitStructure);
#ifdef SOFTSPI_NSS_PIN
// NSS as gpio not slave select
GPIO_InitStructure.GPIO_Pin = dev->nss_pin;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStructure(dev->csn_gpio, &GPIO_InitStructure);
#endif
#endif
#ifdef STM32F10X
gpio_config_t gpio;
gpio.speed = Speed_50MHz;
gpio.mode = Mode_AF_PP;
// SCK as output
gpio.pin = dev->sck_pin;
gpioInit(dev->sck_gpio, &gpio);
// MOSI as output
gpio.pin = dev->mosi_pin;
gpioInit(dev->mosi_gpio, &gpio);
// MISO as input
gpio.pin = dev->miso_pin;
gpio.mode = Mode_IN_FLOATING;
gpioInit(dev->miso_gpio, &gpio);
#ifdef SOFTSPI_NSS_PIN
// NSS as output
gpio.pin = dev->nss_pin;
gpio.mode = Mode_Out_PP;
gpioInit(dev->csn_gpio, &gpio);
#endif
#endif
}
uint8_t softSpiTransferByte(const softSPIDevice_t *dev, uint8_t byte)
{
for(int ii = 0; ii < 8; ++ii) {
if (byte & 0x80) {
GPIO_SetBits(dev->mosi_gpio, dev->mosi_pin);
} else {
GPIO_ResetBits(dev->mosi_gpio, dev->mosi_pin);
}
GPIO_SetBits(dev->sck_gpio, dev->sck_pin);
byte <<= 1;
if (GPIO_ReadInputDataBit(dev->miso_gpio, dev->miso_pin) == 1) {
byte |= 1;
}
GPIO_ResetBits(dev->sck_gpio, dev->sck_pin);
}
return byte;
}
#endif

53
src/main/drivers/bus_spi_soft.h Normal file
View file

@ -0,0 +1,53 @@
/*
* This file is part of Cleanflight.
*
* Cleanflight is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Cleanflight is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Cleanflight. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
typedef struct softSPIDevice_s {
#ifdef SOFTSPI_NSS_PIN
GPIO_TypeDef* nss_gpio;
uint16_t nss_pin;
#endif
GPIO_TypeDef* sck_gpio;
uint16_t sck_pin;
GPIO_TypeDef* mosi_gpio;
uint16_t mosi_pin;
GPIO_TypeDef* miso_gpio;
uint16_t miso_pin;
} softSPIDevice_t;
// Convenience macros to set pins high or low,
// where 'dev' is an instance of SoftSPIDevice
/*#define SOFTSPI_CSN_LO(dev) {GPIO_ResetBits(dev.csn_gpio, dev.nss_pin);}
#define SOFTSPI_CSN_HI(dev) {GPIO_SetBits(dev.csn_gpio, dev.nss_pin);}
#define SOFTSPI_SCK_LO(dev) {GPIO_ResetBits(dev.sck_gpio, dev.sck_pin);}
#define SOFTSPI_SCK_HI(dev) {GPIO_SetBits(dev.sck_gpio, dev.sck_pin);}
#define SOFTSPI_MISO_LO(dev) {GPIO_ResetBits(dev.miso_gpio, dev.miso_pin);}
#define SOFTSPI_MISO_HI(dev) {GPIO_SetBits(dev.miso_gpio, dev.miso_pin);}
#define SOFTSPI_MOSI_LO(dev) {GPIO_ResetBits(dev.mosi_gpio, dev.mosi_pin);}
#define SOFTSPI_MOSI_HI(dev) {GPIO_SetBits(dev.mosi_gpio, dev.mosi_pin);}
#define SOFTSPI_MISO_R(dev) {GPIO_ReadInputDataBit(dev.miso_gpio, dev.miso_pin);}
*/
void softSpiInit(const softSPIDevice_t *dev);
uint8_t softSpiTransferByte(const softSPIDevice_t *dev, uint8_t data);
//bool softSpiInit(SPI_TypeDef *instance);
//uint8_t softSpiTransferByte(SPI_TypeDef *instance, uint8_t data);

333
src/main/drivers/rx_nrf24l01.c Normal file
View file

@ -0,0 +1,333 @@
/*
* This file is part of Cleanflight.
*
* Cleanflight is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Cleanflight is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Cleanflight. If not, see <http://www.gnu.org/licenses/>.
*/
// This file is copied with modifications from project Deviation,
// see http://deviationtx.com
#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>
#include <platform.h>
#ifdef USE_RX_NRF24
#include "system.h"
#include "gpio.h"
#include "rx_nrf24l01.h"
#ifdef UNIT_TEST
#define NRF24_CE_HI() {}
#define NRF24_CE_LO() {}
void NRF24L01_SpiInit(void) {}
#else
#include "bus_spi.h"
#include "bus_spi_soft.h"
#define DISABLE_NRF24() {GPIO_SetBits(NRF24_CSN_GPIO, NRF24_CSN_PIN);}
#define ENABLE_NRF24() {GPIO_ResetBits(NRF24_CSN_GPIO, NRF24_CSN_PIN);}
#define NRF24_CE_HI() {GPIO_SetBits(NRF24_CE_GPIO, NRF24_CE_PIN);}
#define NRF24_CE_LO() {GPIO_ResetBits(NRF24_CE_GPIO, NRF24_CE_PIN);}
#ifdef USE_NRF24_SOFTSPI
static const softSPIDevice_t softSPI = {
.sck_gpio = NRF24_SCK_GPIO,
.mosi_gpio = NRF24_MOSI_GPIO,
.miso_gpio = NRF24_MISO_GPIO,
.sck_pin = NRF24_SCK_PIN,
.mosi_pin = NRF24_MOSI_PIN,
.miso_pin = NRF24_MISO_PIN
};
#endif
void NRF24L01_SpiInit(void)
{
static bool hardwareInitialised = false;
if (hardwareInitialised) {
return;
}
#ifdef USE_NRF24_SOFTSPI
softSpiInit(&softSPI);
#endif
// Note: Nordic Semiconductor uses 'CSN', STM uses 'NSS'
#ifdef STM32F303xC
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
#ifndef USE_NRF24_SOFTSPI
// CSN as output
RCC_AHBPeriphClockCmd(NRF24_CSN_GPIO_CLK_PERIPHERAL, ENABLE);
GPIO_InitStructure.GPIO_Pin = NRF24_CSN_PIN;
GPIO_Init(NRF24_CSN_GPIO, &GPIO_InitStructure);
#endif
// CE as OUTPUT
RCC_AHBPeriphClockCmd(NRF24_CE_GPIO_CLK_PERIPHERAL, ENABLE);
GPIO_InitStructure.GPIO_Pin = NRF24_CE_PIN;
GPIO_Init(NRF24_CE_GPIO, &GPIO_InitStructure);
#endif // STM32F303xC
#ifdef STM32F10X
gpio_config_t gpio;
gpio.speed = Speed_50MHz;
gpio.mode = Mode_Out_PP;
#ifndef USE_NRF24_SOFTSPI
// CSN as output
RCC_APB2PeriphClockCmd(NRF24_CSN_GPIO_CLK_PERIPHERAL, ENABLE);
gpio.pin = NRF24_CSN_PIN;
gpioInit(NRF24_CSN_GPIO, &gpio);
#endif
// CE as output
RCC_APB2PeriphClockCmd(NRF24_CE_GPIO_CLK_PERIPHERAL, ENABLE);
gpio.pin = NRF24_CE_PIN;
gpioInit(NRF24_CE_GPIO, &gpio);
// TODO: NRF24_IRQ as input
#endif // STM32F10X
DISABLE_NRF24();
NRF24_CE_LO();
#ifdef NRF24_SPI_INSTANCE
spiSetDivisor(NRF24_SPI_INSTANCE, SPI_9MHZ_CLOCK_DIVIDER);
#endif
hardwareInitialised = true;
}
uint8_t nrf24TransferByte(uint8_t data)
{
#ifdef USE_NRF24_SOFTSPI
return softSpiTransferByte(&softSPI, data);
#else
return spiTransferByte(NRF24_SPI_INSTANCE, data);
#endif
}
// Instruction Mnemonics
// nRF24L01: Table 16. Command set for the nRF24L01 SPI. Product Specification, p46
// nRF24L01+: Table 20. Command set for the nRF24L01+ SPI. Product Specification, p51
#define R_REGISTER 0x00
#define W_REGISTER 0x20
#define REGISTER_MASK 0x1F
#define ACTIVATE 0x50
#define R_RX_PL_WID 0x60
#define R_RX_PAYLOAD 0x61
#define W_TX_PAYLOAD 0xA0
#define W_ACK_PAYLOAD 0xA8
#define FLUSH_TX 0xE1
#define FLUSH_RX 0xE2
#define REUSE_TX_PL 0xE3
#define NOP 0xFF
uint8_t NRF24L01_WriteReg(uint8_t reg, uint8_t data)
{
ENABLE_NRF24();
nrf24TransferByte(W_REGISTER | (REGISTER_MASK & reg));
nrf24TransferByte(data);
DISABLE_NRF24();
return true;
}
uint8_t NRF24L01_WriteRegisterMulti(uint8_t reg, const uint8_t *data, uint8_t length)
{
ENABLE_NRF24();
const uint8_t ret = nrf24TransferByte(W_REGISTER | ( REGISTER_MASK & reg));
for (uint8_t i = 0; i < length; i++) {
nrf24TransferByte(data[i]);
}
DISABLE_NRF24();
return ret;
}
/*
* Transfer the payload to the nRF24L01 TX FIFO
* Packets in the TX FIFO are transmitted when the
* nRF24L01 next enters TX mode
*/
uint8_t NRF24L01_WritePayload(const uint8_t *data, uint8_t length)
{
ENABLE_NRF24();
const uint8_t ret = nrf24TransferByte(W_TX_PAYLOAD);
for (uint8_t i = 0; i < length; i++) {
nrf24TransferByte(data[i]);
}
DISABLE_NRF24();
return ret;
}
uint8_t NRF24L01_ReadReg(uint8_t reg)
{
ENABLE_NRF24();
nrf24TransferByte(R_REGISTER | (REGISTER_MASK & reg));
const uint8_t ret = nrf24TransferByte(NOP);
DISABLE_NRF24();
return ret;
}
uint8_t NRF24L01_ReadRegisterMulti(uint8_t reg, uint8_t *data, uint8_t length)
{
ENABLE_NRF24();
const uint8_t ret = nrf24TransferByte(R_REGISTER | (REGISTER_MASK & reg));
for (uint8_t i = 0; i < length; i++) {
data[i] = nrf24TransferByte(NOP);
}
DISABLE_NRF24();
return ret;
}
/*
* Read a packet from the nRF24L01 RX FIFO.
*/
uint8_t NRF24L01_ReadPayload(uint8_t *data, uint8_t length)
{
ENABLE_NRF24();
const uint8_t ret = nrf24TransferByte(R_RX_PAYLOAD);
for (uint8_t i = 0; i < length; i++) {
data[i] = nrf24TransferByte(NOP);
}
DISABLE_NRF24();
return ret;
}
/*
* Empty the transmit FIFO buffer.
*/
void NRF24L01_FlushTx()
{
ENABLE_NRF24();
nrf24TransferByte(FLUSH_TX);
DISABLE_NRF24();
}
/*
* Empty the receive FIFO buffer.
*/
void NRF24L01_FlushRx()
{
ENABLE_NRF24();
nrf24TransferByte(FLUSH_RX);
DISABLE_NRF24();
}
#endif // UNIT_TEST
// standby configuration, used to simplify switching between RX, TX, and Standby modes
static uint8_t standbyConfig;
void NRF24L01_Initialize(uint8_t baseConfig)
{
standbyConfig = BV(NRF24L01_00_CONFIG_PWR_UP) | baseConfig;
NRF24_CE_LO();
// nRF24L01+ needs 100 milliseconds settling time from PowerOnReset to PowerDown mode
static const uint32_t settlingTimeUs = 100000;
const uint32_t currentTimeUs = micros();
if (currentTimeUs < settlingTimeUs) {
delayMicroseconds(settlingTimeUs - currentTimeUs);
}
// now in PowerDown mode
NRF24L01_WriteReg(NRF24L01_00_CONFIG, standbyConfig); // set PWR_UP to enter Standby mode
// nRF24L01+ needs 4500 microseconds from PowerDown mode to Standby mode, for crystal oscillator startup
delayMicroseconds(4500);
// now in Standby mode
}
/*
* Enter standby mode
*/
void NRF24L01_SetStandbyMode(void)
{
// set CE low and clear the PRIM_RX bit to enter standby mode
NRF24_CE_LO();
NRF24L01_WriteReg(NRF24L01_00_CONFIG, standbyConfig);
}
/*
* Enter receive mode
*/
void NRF24L01_SetRxMode(void)
{
NRF24_CE_LO(); // drop into standby mode
// set the PRIM_RX bit
NRF24L01_WriteReg(NRF24L01_00_CONFIG, standbyConfig | BV(NRF24L01_00_CONFIG_PRIM_RX));
NRF24L01_ClearAllInterrupts();
// finally set CE high to start enter RX mode
NRF24_CE_HI();
// nRF24L01+ will now transition from Standby mode to RX mode after 130 microseconds settling time
}
/*
* Enter transmit mode. Anything in the transmit FIFO will be transmitted.
*/
void NRF24L01_SetTxMode(void)
{
// Ensure in standby mode, since can only enter TX mode from standby mode
NRF24L01_SetStandbyMode();
NRF24L01_ClearAllInterrupts();
// pulse CE for 10 microseconds to enter TX mode
NRF24_CE_HI();
delayMicroseconds(10);
NRF24_CE_LO();
// nRF24L01+ will now transition from Standby mode to TX mode after 130 microseconds settling time.
// Transmission will then begin and continue until TX FIFO is empty.
}
void NRF24L01_ClearAllInterrupts(void)
{
// Writing to the STATUS register clears the specified interrupt bits
NRF24L01_WriteReg(NRF24L01_07_STATUS, BV(NRF24L01_07_STATUS_RX_DR) | BV(NRF24L01_07_STATUS_TX_DS) | BV(NRF24L01_07_STATUS_MAX_RT));
}
void NRF24L01_SetChannel(uint8_t channel)
{
NRF24L01_WriteReg(NRF24L01_05_RF_CH, channel);
}
bool NRF24L01_ReadPayloadIfAvailable(uint8_t *data, uint8_t length)
{
if (NRF24L01_ReadReg(NRF24L01_17_FIFO_STATUS) & BV(NRF24L01_17_FIFO_STATUS_RX_EMPTY)) {
return false;
}
NRF24L01_ReadPayload(data, length);
return true;
}
#ifndef UNIT_TEST
bool NRF24L01_ReadPayloadIfAvailableFast(uint8_t *data, uint8_t length)
{
// number of bits transferred = 8 * (3 + length)
// for 16 byte payload, that is 8*19 = 152
// at 50MHz clock rate that is approximately 3 microseconds
bool ret = false;
ENABLE_NRF24();
nrf24TransferByte(R_REGISTER | (REGISTER_MASK & NRF24L01_17_FIFO_STATUS));
const uint8_t fifoStatus = nrf24TransferByte(NOP);
if ((fifoStatus & BV(NRF24L01_17_FIFO_STATUS_RX_EMPTY)) == 0) {
ret = true;
nrf24TransferByte(R_RX_PAYLOAD);
for (uint8_t i = 0; i < length; i++) {
data[i] = nrf24TransferByte(NOP);
}
}
DISABLE_NRF24();
return ret;
}
#endif
#endif

140
src/main/drivers/rx_nrf24l01.h Normal file
View file

@ -0,0 +1,140 @@
/*
* This file is part of Cleanflight.
*
* Cleanflight is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Cleanflight is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Cleanflight. If not, see <http://www.gnu.org/licenses/>.
*/
// This file is copied with modifications from project Deviation,
// see http://deviationtx.com, file iface_nrf24l01.h
#pragma once
#include <stdbool.h>
#include <stdint.h>
#define NRF24L01_MAX_PAYLOAD_SIZE 32
#define BV(x) (1<<(x)) // bit value
// Register map of nRF24L01
enum {
NRF24L01_00_CONFIG = 0x00,
NRF24L01_01_EN_AA = 0x01, // Auto Acknowledge
NRF24L01_02_EN_RXADDR = 0x02,
NRF24L01_03_SETUP_AW = 0x03, // Address Width
NRF24L01_04_SETUP_RETR = 0x04, // automatic RETRansmission
NRF24L01_05_RF_CH = 0x05, // RF CHannel
NRF24L01_06_RF_SETUP = 0x06,
NRF24L01_07_STATUS = 0x07,
NRF24L01_08_OBSERVE_TX = 0x08,
NRF24L01_09_RPD = 0x09, //Received Power Detector in the nRF23L01+, called CD (Carrier Detect) in the nRF24L01
NRF24L01_0A_RX_ADDR_P0 = 0x0A,
NRF24L01_0B_RX_ADDR_P1 = 0x0B,
NRF24L01_0C_RX_ADDR_P2 = 0x0C,
NRF24L01_0D_RX_ADDR_P3 = 0x0D,
NRF24L01_0E_RX_ADDR_P4 = 0x0E,
NRF24L01_0F_RX_ADDR_P5 = 0x0F,
NRF24L01_10_TX_ADDR = 0x10,
NRF24L01_11_RX_PW_P0 = 0x11, // Payload Width
NRF24L01_12_RX_PW_P1 = 0x12,
NRF24L01_13_RX_PW_P2 = 0x13,
NRF24L01_14_RX_PW_P3 = 0x14,
NRF24L01_15_RX_PW_P4 = 0x15,
NRF24L01_16_RX_PW_P5 = 0x16,
NRF24L01_17_FIFO_STATUS = 0x17,
NRF24L01_1C_DYNPD = 0x1C, // DYNamic PayloaD
NRF24L01_1D_FEATURE = 0x1D
};
// Bit position mnemonics
enum {
NRF24L01_00_CONFIG_MASK_RX_DR = 6,
NRF24L01_00_CONFIG_MASK_TX_DS = 5,
NRF24L01_00_CONFIG_MASK_MAX_RT = 4,
NRF24L01_00_CONFIG_EN_CRC = 3,
NRF24L01_00_CONFIG_CRCO = 2,
NRF24L01_00_CONFIG_PWR_UP = 1,
NRF24L01_00_CONFIG_PRIM_RX = 0,
NRF24L01_02_EN_RXADDR_ERX_P5 = 5,
NRF24L01_02_EN_RXADDR_ERX_P4 = 4,
NRF24L01_02_EN_RXADDR_ERX_P3 = 3,
NRF24L01_02_EN_RXADDR_ERX_P2 = 2,
NRF24L01_02_EN_RXADDR_ERX_P1 = 1,
NRF24L01_02_EN_RXADDR_ERX_P0 = 0,
NRF24L01_06_RF_SETUP_RF_DR_LOW = 5,
NRF24L01_06_RF_SETUP_RF_DR_HIGH = 3,
NRF24L01_06_RF_SETUP_RF_PWR_HIGH = 2,
NRF24L01_06_RF_SETUP_RF_PWR_LOW = 1,
NRF24L01_07_STATUS_RX_DR = 6,
NRF24L01_07_STATUS_TX_DS = 5,
NRF24L01_07_STATUS_MAX_RT = 4,
NRF24L01_17_FIFO_STATUS_TX_FULL = 5,
NRF24L01_17_FIFO_STATUS_TX_EMPTY = 4,
NRF24L01_17_FIFO_STATUS_RX_FULL = 1,
NRF24L01_17_FIFO_STATUS_RX_EMPTY = 0,
NRF24L01_1D_FEATURE_EN_DPL = 2,
NRF24L01_1D_FEATURE_EN_ACK_PAY = 1,
NRF24L01_1D_FEATURE_EN_DYN_ACK = 0,
};
// Pre-shifted and combined bits
enum {
NRF24L01_01_EN_AA_ALL_PIPES = 0x3F,
NRF24L01_02_EN_RXADDR_ERX_ALL_PIPES = 0x3F,
NRF24L01_03_SETUP_AW_3BYTES = 0x01,
NRF24L01_03_SETUP_AW_4BYTES = 0x02,
NRF24L01_03_SETUP_AW_5BYTES = 0x03,
NRF24L01_04_SETUP_RETR_500uS = 0x10,
NRF24L01_06_RF_SETUP_RF_DR_2Mbps = 0x08,
NRF24L01_06_RF_SETUP_RF_DR_1Mbps = 0x00,
NRF24L01_06_RF_SETUP_RF_DR_250Kbps = 0x20,
NRF24L01_06_RF_SETUP_RF_PWR_n18dbm = 0x01,
NRF24L01_06_RF_SETUP_RF_PWR_n12dbm = 0x02,
NRF24L01_06_RF_SETUP_RF_PWR_n6dbm = 0x04,
NRF24L01_06_RF_SETUP_RF_PWR_0dbm = 0x06,
NRF24L01_1C_DYNPD_ALL_PIPES = 0x3F,
};
void NRF24L01_SpiInit(void);
void NRF24L01_Initialize(uint8_t baseConfig);
uint8_t NRF24L01_WriteReg(uint8_t reg, uint8_t data);
uint8_t NRF24L01_WriteRegisterMulti(uint8_t reg, const uint8_t *data, uint8_t length);
uint8_t NRF24L01_WritePayload(const uint8_t *data, uint8_t len);
uint8_t NRF24L01_ReadReg(uint8_t reg);
uint8_t NRF24L01_ReadRegisterMulti(uint8_t reg, uint8_t *data, uint8_t length);
uint8_t NRF24L01_ReadPayload(uint8_t *data, uint8_t len);
void NRF24L01_FlushTx(void);
void NRF24L01_FlushRx(void);
// Utility functions
void NRF24L01_SetStandbyMode(void);
void NRF24L01_SetRxMode(void);
void NRF24L01_SetTxMode(void);
void NRF24L01_ClearAllInterrupts(void);
void NRF24L01_SetChannel(uint8_t channel);
bool NRF24L01_ReadPayloadIfAvailable(uint8_t *data, uint8_t length);

6
src/main/drivers/sound_beeper.h
View file

@ -18,9 +18,9 @@
#pragma once
#ifdef BEEPER
#define BEEP_TOGGLE digitalToggle(BEEP_GPIO, BEEP_PIN)
#define BEEP_OFF systemBeep(false)
#define BEEP_ON systemBeep(true)
#define BEEP_TOGGLE {digitalToggle(BEEP_GPIO, BEEP_PIN);}
#define BEEP_OFF {systemBeep(false);}
#define BEEP_ON {systemBeep(true);}
#else
#define BEEP_TOGGLE {}
#define BEEP_OFF {}

2
src/main/flight/failsafe.c
View file

@ -20,6 +20,8 @@
#include "platform.h"
#include "build_config.h"
#include "debug.h"
#include "common/axis.h"

2
src/main/flight/mixer.c
View file

@ -273,7 +273,7 @@ const mixer_t mixers[] = {
{ 2, true, NULL, true }, // MIXER_CUSTOM_AIRPLANE
{ 3, true, NULL, true }, // MIXER_CUSTOM_TRI
};
#endif //USE_QUAD_MIXER_ONLY
#endif // USE_QUAD_MIXER_ONLY
#ifdef USE_SERVOS

34
src/main/io/serial_cli.c
View file

@ -185,7 +185,7 @@ static const char * const featureNames[] = {
"SERVO_TILT", "SOFTSERIAL", "GPS", "FAILSAFE",
"SONAR", "TELEMETRY", "CURRENT_METER", "3D", "RX_PARALLEL_PWM",
"RX_MSP", "RSSI_ADC", "LED_STRIP", "DISPLAY", "ONESHOT125",
"BLACKBOX", "CHANNEL_FORWARDING", NULL
"BLACKBOX", "CHANNEL_FORWARDING", "RX_NRF24", NULL
};
// sync this with rxFailsafeChannelMode_e
@ -369,6 +369,7 @@ static const char * const lookupTableBlackboxDevice[] = {
"SERIAL", "SPIFLASH"
};
#ifdef SERIAL_RX
static const char * const lookupTableSerialRX[] = {
"SPEK1024",
"SPEK2048",
@ -379,6 +380,18 @@ static const char * const lookupTableSerialRX[] = {
"XB-B-RJ01",
"IBUS"
};
#endif
#ifdef USE_RX_NRF24
static const char * const lookupTableNRF24RX[] = {
"V202_250K",
"V202_1M",
"SYMA_X",
"SYMA_X5C",
"CX10",
"CX10A"
};
#endif
static const char * const lookupTableGyroLpf[] = {
"256HZ",
@ -423,7 +436,12 @@ typedef enum {
TABLE_CURRENT_SENSOR,
TABLE_GIMBAL_MODE,
TABLE_PID_CONTROLLER,
#ifdef SERIAL_RX
TABLE_SERIAL_RX,
#endif
#ifdef USE_RX_NRF24
TABLE_NRF24_RX,
#endif
TABLE_GYRO_LPF,
TABLE_FAILSAFE_PROCEDURE,
#ifdef NAV
@ -447,7 +465,12 @@ static const lookupTableEntry_t lookupTables[] = {
{ lookupTableCurrentSensor, sizeof(lookupTableCurrentSensor) / sizeof(char *) },
{ lookupTableGimbalMode, sizeof(lookupTableGimbalMode) / sizeof(char *) },
{ lookupTablePidController, sizeof(lookupTablePidController) / sizeof(char *) },
#ifdef SERIAL_RX
{ lookupTableSerialRX, sizeof(lookupTableSerialRX) / sizeof(char *) },
#endif
#ifdef USE_RX_NRF24
{ lookupTableNRF24RX, sizeof(lookupTableNRF24RX) / sizeof(char *) },
#endif
{ lookupTableGyroLpf, sizeof(lookupTableGyroLpf) / sizeof(char *) },
{ lookupTableFailsafeProcedure, sizeof(lookupTableFailsafeProcedure) / sizeof(char *) },
#ifdef NAV
@ -622,7 +645,12 @@ const clivalue_t valueTable[] = {
{ "nav_fw_loiter_radius", VAR_UINT16 | MASTER_VALUE, &masterConfig.navConfig.fw_loiter_radius, .config.minmax = { 0, 10000 }, 0 },
#endif
#ifdef SERIAL_RX
{ "serialrx_provider", VAR_UINT8 | MASTER_VALUE | MODE_LOOKUP, &masterConfig.rxConfig.serialrx_provider, .config.lookup = { TABLE_SERIAL_RX }, 0 },
#endif
#ifdef USE_RX_NRF24
{ "nrf24rx_protocol", VAR_UINT8 | MASTER_VALUE | MODE_LOOKUP, &masterConfig.rxConfig.nrf24rx_protocol, .config.lookup = { TABLE_NRF24_RX }, 0 },
#endif
{ "spektrum_sat_bind", VAR_UINT8 | MASTER_VALUE, &masterConfig.rxConfig.spektrum_sat_bind, .config.minmax = { SPEKTRUM_SAT_BIND_DISABLED, SPEKTRUM_SAT_BIND_MAX}, 0 },
{ "telemetry_switch", VAR_UINT8 | MASTER_VALUE | MODE_LOOKUP, &masterConfig.telemetryConfig.telemetry_switch, .config.lookup = { TABLE_OFF_ON }, 0 },
@ -1697,7 +1725,6 @@ static void cliDump(char *cmdline)
cliWrite(' ');
cliPrintf("%s\r\n", ftoa(yaw, buf));
}
#ifdef USE_SERVOS
// print custom servo mixer if exists
cliPrintf("smix reset\r\n");
@ -1719,8 +1746,7 @@ static void cliDump(char *cmdline)
);
}
#endif // USE_SERVOS
#endif
#endif // USE_QUAD_MIXER_ONLY
cliPrint("\r\n\r\n# feature\r\n");

4
src/main/io/serial_msp.c
View file

@ -961,8 +961,9 @@ static bool processOutCommand(uint8_t cmdMSP)
break;
case MSP_RX_CONFIG:
headSerialReply(12);
headSerialReply(13);
serialize8(masterConfig.rxConfig.serialrx_provider);
serialize8(masterConfig.rxConfig.nrf24rx_protocol);
serialize16(masterConfig.rxConfig.maxcheck);
serialize16(masterConfig.rxConfig.midrc);
serialize16(masterConfig.rxConfig.mincheck);
@ -1441,6 +1442,7 @@ static bool processInCommand(void)
case MSP_SET_RX_CONFIG:
masterConfig.rxConfig.serialrx_provider = read8();
masterConfig.rxConfig.nrf24rx_protocol = read8();
masterConfig.rxConfig.maxcheck = read16();
masterConfig.rxConfig.midrc = read16();
masterConfig.rxConfig.mincheck = read16();

122
src/main/rx/nrf24.c Normal file
View file

@ -0,0 +1,122 @@
/*
* This file is part of Cleanflight.
*
* Cleanflight is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Cleanflight is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Cleanflight. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdbool.h>
#include <stdint.h>
#include <platform.h>
#include "build_config.h"
#ifdef USE_RX_NRF24
#include "drivers/rx_nrf24l01.h"
#include "rx/rx.h"
#include "rx/nrf24.h"
#include "rx/nrf24_cx10.h"
#include "rx/nrf24_syma.h"
#include "rx/nrf24_v202.h"
uint16_t nrf24RcData[MAX_SUPPORTED_RC_CHANNEL_COUNT];
STATIC_UNIT_TESTED uint8_t nrf24Payload[NRF24L01_MAX_PAYLOAD_SIZE];
STATIC_UNIT_TESTED uint8_t nrf24NewPacketAvailable; // set true when a new packet is received
typedef void (*protocolInitPtr)(const rxConfig_t *rxConfig, rxRuntimeConfig_t *rxRuntimeConfig);
typedef nrf24_received_t (*protocolDataReceivedPtr)(uint8_t *payload);
typedef void (*protocolSetRcDataFromPayloadPtr)(uint16_t *rcData, const uint8_t *payload);
static protocolInitPtr protocolInit;
static protocolDataReceivedPtr protocolDataReceived;
static protocolSetRcDataFromPayloadPtr protocolSetRcDataFromPayload;
STATIC_UNIT_TESTED uint16_t rxNrf24ReadRawRC(rxRuntimeConfig_t *rxRuntimeConfig, uint8_t channel)
{
if (channel >= rxRuntimeConfig->channelCount) {
return 0;
}
if (nrf24NewPacketAvailable) {
protocolSetRcDataFromPayload(nrf24RcData, nrf24Payload);
nrf24NewPacketAvailable = false;
}
return nrf24RcData[channel];
}
STATIC_UNIT_TESTED bool rxNrf24SetProtocol(nrf24_protocol_t protocol)
{
switch (protocol) {
#ifdef USE_RX_V202
case NRF24RX_V202_250K:
case NRF24RX_V202_1M:
protocolInit = v202Init;
protocolDataReceived = v202DataReceived;
protocolSetRcDataFromPayload = v202SetRcDataFromPayload;
break;
#endif
#ifdef USE_RX_SYMA
case NRF24RX_SYMA_X:
case NRF24RX_SYMA_X5C:
protocolInit = symaInit;
protocolDataReceived = symaDataReceived;
protocolSetRcDataFromPayload = symaSetRcDataFromPayload;
break;
#endif
#ifdef USE_RX_CX10
case NRF24RX_CX10:
case NRF24RX_CX10A:
protocolInit = cx10Init;
protocolDataReceived = cx10DataReceived;
protocolSetRcDataFromPayload = cx10SetRcDataFromPayload;
break;
#endif
default:
return false;
break;
}
return true;
}
/*
* Returns true if the NRF24L01 has received new data.
* Called from updateRx in rx.c, updateRx called from taskUpdateRxCheck.
* If taskUpdateRxCheck returns true, then taskUpdateRxMain will shortly be called.
*/
bool rxNrf24DataReceived(void)
{
if (protocolDataReceived(nrf24Payload) == NRF24_RECEIVED_DATA) {
nrf24NewPacketAvailable = true;
return true;
}
return false;
}
/*
* Set and initialize the NRF24 protocol
*/
bool rxNrf24Init(const rxConfig_t *rxConfig, rxRuntimeConfig_t *rxRuntimeConfig, rcReadRawDataPtr *callback)
{
bool ret = false;
NRF24L01_SpiInit();
if (rxNrf24SetProtocol(rxConfig->nrf24rx_protocol)) {
protocolInit(rxConfig, rxRuntimeConfig);
ret = true;
}
nrf24NewPacketAvailable = false;
if (callback) {
*callback = rxNrf24ReadRawRC;
}
return ret;
}
#endif

65
src/main/rx/nrf24.h Normal file
View file

@ -0,0 +1,65 @@
/*
* This file is part of Cleanflight.
*
* Cleanflight is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Cleanflight is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Cleanflight. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <stdbool.h>
#include <stdint.h>
#include "rx/rx.h"
typedef enum {
NRF24RX_V202_250K = 0,
NRF24RX_V202_1M,
NRF24RX_SYMA_X,
NRF24RX_SYMA_X5C,
NRF24RX_CX10,
NRF24RX_CX10A,
NRF24RX_PROTOCOL_COUNT
} nrf24_protocol_t;
typedef enum {
NRF24_RECEIVED_NONE = 0,
NRF24_RECEIVED_BIND,
NRF24_RECEIVED_DATA
} nrf24_received_t;
// RC channels in AETR order
typedef enum {
NRF24_ROLL = 0,
NRF24_PITCH,
NRF24_THROTTLE,
NRF24_YAW,
NRF24_AUX1,
NRF24_AUX2,
NRF24_AUX3,
NRF24_AUX4,
NRF24_AUX5,
NRF24_AUX6,
NRF24_AUX7,
NRF24_AUX8,
NRF24_AUX9,
NRF24_AUX10,
NRF24_AUX11,
NRF24_AUX12,
NRF24_AUX13,
NRF24_AUX14
} nrf24_AETR_t;
bool rxNrf24DataReceived(void);
bool rxNrf24Init(const rxConfig_t *rxConfig, rxRuntimeConfig_t *rxRuntimeConfig, rcReadRawDataPtr *callback);

348
src/main/rx/nrf24_cx10.c Normal file
View file

@ -0,0 +1,348 @@
/*
* This file is part of Cleanflight.
*
* Cleanflight is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Cleanflight is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Cleanflight. If not, see <http://www.gnu.org/licenses/>.
*/
// This file borrows heavily from project Deviation,
// see http://deviationtx.com
#include <stdbool.h>
#include <stdint.h>
#include <string.h>
#include <platform.h>
#include "build_config.h"
#ifdef USE_RX_CX10
#include "drivers/rx_nrf24l01.h"
#include "drivers/system.h"
#include "rx/nrf24.h"
#include "rx/nrf24_cx10.h"
/*
* Deviation transmitter
* Bind phase lasts 6 seconds for CX10, for CX10A it lasts until an acknowledgment is received.
* Other transmitters may vary but should have similar characteristics.
* For CX10A protocol: after receiving a bind packet, the receiver must send back a data packet with byte[9] = 1 as acknowledgment
*/
/*
* CX10 Protocol
* No auto acknowledgment
* Payload size is 19 and static for CX10A variant, 15 and static for CX10 variant.
* Data rate is 1Mbps
* Bind Phase
* uses address {0xcc, 0xcc, 0xcc, 0xcc, 0xcc}, converted by XN297
* uses channel 0x02
* Data phase
* uses same address as bind phase
* hops between 4 channels that are set from the txId sent in the bind packet
*/
#define CX10_RC_CHANNEL_COUNT 9
#define CX10_PROTOCOL_PAYLOAD_SIZE 15
#define CX10A_PROTOCOL_PAYLOAD_SIZE 19
#define CX10_RF_BIND_CHANNEL 0x02
#define FLAG_FLIP 0x10 // goes to rudder channel
// flags1
#define FLAG_MODE_MASK 0x03
#define FLAG_HEADLESS 0x04
// flags2
#define FLAG_VIDEO 0x02
#define FLAG_PICTURE 0x04
// XN297 emulation layer
STATIC_UNIT_TESTED uint8_t XN297_WritePayload(uint8_t* data, int len);
STATIC_UNIT_TESTED void XN297_UnscramblePayload(uint8_t* data, int len);
static nrf24_protocol_t cx10Protocol;
typedef enum {
STATE_BIND = 0,
STATE_ACK,
STATE_DATA
} protocol_state_t;
STATIC_UNIT_TESTED protocol_state_t protocolState;
#define ACK_TO_SEND_COUNT 8
static uint8_t payloadSize;
#define RX_TX_ADDR_LEN 5
//STATIC_UNIT_TESTED uint8_t rxTxAddr[RX_TX_ADDR_LEN] = {0xcc, 0xcc, 0xcc, 0xcc, 0xcc};
STATIC_UNIT_TESTED uint8_t txAddr[RX_TX_ADDR_LEN] = {0x55, 0x0F, 0x71, 0x0C, 0x00}; // converted XN297 address, 0xC710F55 (28 bit)
STATIC_UNIT_TESTED uint8_t rxAddr[RX_TX_ADDR_LEN] = {0x49, 0x26, 0x87, 0x7d, 0x2f}; // converted XN297 address
#define TX_ID_LEN 4
STATIC_UNIT_TESTED uint8_t txId[TX_ID_LEN];
STATIC_UNIT_TESTED uint8_t rfChannelIndex = 0;
#define RF_CHANNEL_COUNT 4
STATIC_UNIT_TESTED uint8_t rfChannels[RF_CHANNEL_COUNT]; // channels are set using txId from bind packet
static uint32_t timeOfLastHop;
static const uint32_t hopTimeout = 5000; // 5ms
void cx10Nrf24Init(nrf24_protocol_t protocol)
{
cx10Protocol = protocol;
protocolState = STATE_BIND;
payloadSize = (protocol == NRF24RX_CX10) ? CX10_PROTOCOL_PAYLOAD_SIZE : CX10A_PROTOCOL_PAYLOAD_SIZE;
NRF24L01_Initialize(0); // sets PWR_UP, no CRC
NRF24L01_WriteReg(NRF24L01_01_EN_AA, 0);
NRF24L01_WriteReg(NRF24L01_02_EN_RXADDR, BV(NRF24L01_02_EN_RXADDR_ERX_P0)); // Enable data pipe 0 only
NRF24L01_WriteReg(NRF24L01_03_SETUP_AW, NRF24L01_03_SETUP_AW_5BYTES); // 5-byte RX/TX address
NRF24L01_SetChannel(CX10_RF_BIND_CHANNEL);
NRF24L01_WriteReg(NRF24L01_06_RF_SETUP, NRF24L01_06_RF_SETUP_RF_DR_1Mbps | NRF24L01_06_RF_SETUP_RF_PWR_n12dbm);
// RX_ADDR for pipes P2 to P5 are left at default values
NRF24L01_FlushRx();
NRF24L01_WriteRegisterMulti(NRF24L01_10_TX_ADDR, txAddr, RX_TX_ADDR_LEN);
NRF24L01_WriteRegisterMulti(NRF24L01_0A_RX_ADDR_P0, rxAddr, RX_TX_ADDR_LEN);
NRF24L01_WriteReg(NRF24L01_08_OBSERVE_TX, 0x00);
NRF24L01_WriteReg(NRF24L01_11_RX_PW_P0, payloadSize + 2); // payload + 2 bytes CRC
NRF24L01_WriteReg(NRF24L01_1C_DYNPD, 0x00); // Disable dynamic payload length on all pipes
NRF24L01_SetRxMode(); // enter receive mode to start listening for packets
}
/*
* Returns true if it is a bind packet.
*/
STATIC_UNIT_TESTED bool checkBindPacket(const uint8_t *packet)
{
const bool bindPacket = (packet[0] == 0xaa);
if (bindPacket) {
txId[0] = packet[1];
txId[1] = packet[2];
txId[2] = packet[3];
txId[3] = packet[4];
return true;
}
return false;
}
STATIC_UNIT_TESTED uint16_t convertToPwmUnsigned(const uint8_t* pVal)
{
uint16_t ret = (*(pVal + 1)) & 0x7f; // mask out top bit which is used for a flag for the rudder
ret = (ret << 8) | *pVal;
return ret;
}
void cx10SetRcDataFromPayload(uint16_t *rcData, const uint8_t *payload)
{
const uint8_t offset = (cx10Protocol == NRF24RX_CX10) ? 0 : 4;
rcData[NRF24_ROLL] = (PWM_RANGE_MAX + PWM_RANGE_MIN) - convertToPwmUnsigned(&payload[5 + offset]); // aileron
rcData[NRF24_PITCH] = (PWM_RANGE_MAX + PWM_RANGE_MIN) - convertToPwmUnsigned(&payload[7 + offset]); // elevator
rcData[NRF24_THROTTLE] = convertToPwmUnsigned(&payload[9 + offset]); // throttle
rcData[NRF24_YAW] = convertToPwmUnsigned(&payload[11 + offset]); // rudder
const uint8_t flags1 = payload[13 + offset];
const uint8_t rate = flags1 & FLAG_MODE_MASK; // takes values 0, 1, 2
if (rate == 0) {
rcData[NRF24_AUX1] = PWM_RANGE_MIN;
} else if (rate == 1) {
rcData[NRF24_AUX1] = PWM_RANGE_MIDDLE;
} else {
rcData[NRF24_AUX1] = PWM_RANGE_MAX;
}
// flip flag is in YAW byte
rcData[NRF24_AUX2] = payload[12 + offset] & FLAG_FLIP ? PWM_RANGE_MAX : PWM_RANGE_MIN;
const uint8_t flags2 = payload[14 + offset];
rcData[NRF24_AUX3] = flags2 & FLAG_PICTURE ? PWM_RANGE_MAX : PWM_RANGE_MIN;
rcData[NRF24_AUX4] = flags2 & FLAG_VIDEO ? PWM_RANGE_MAX : PWM_RANGE_MIN;
rcData[NRF24_AUX5] = flags1 & FLAG_HEADLESS ? PWM_RANGE_MAX : PWM_RANGE_MIN;
}
static void hopToNextChannel(void)
{
++rfChannelIndex;
if (rfChannelIndex >= RF_CHANNEL_COUNT) {
rfChannelIndex = 0;
}
NRF24L01_SetChannel(rfChannels[rfChannelIndex]);
}
// The hopping channels are determined by the txId
STATIC_UNIT_TESTED void setHoppingChannels(const uint8_t* txId)
{
rfChannelIndex = 0;
rfChannels[0] = 0x03 + (txId[0] & 0x0F);
rfChannels[1] = 0x16 + (txId[0] >> 4);
rfChannels[2] = 0x2D + (txId[1] & 0x0F);
rfChannels[3] = 0x40 + (txId[1] >> 4);
}
/*
* This is called periodically by the scheduler.
* Returns NRF24_RECEIVED_DATA if a data packet was received.
*/
nrf24_received_t cx10DataReceived(uint8_t *payload)
{
static uint8_t ackCount;
nrf24_received_t ret = NRF24_RECEIVED_NONE;
int totalDelayUs;
uint32_t timeNowUs;
switch (protocolState) {
case STATE_BIND:
if (NRF24L01_ReadPayloadIfAvailable(payload, payloadSize + 2)) {
XN297_UnscramblePayload(payload, payloadSize + 2);
const bool bindPacket = checkBindPacket(payload);
if (bindPacket) {
// set the hopping channels as determined by the txId received in the bind packet
setHoppingChannels(txId);
ret = NRF24_RECEIVED_BIND;
protocolState = STATE_ACK;
ackCount = 0;
}
}
break;
case STATE_ACK:
// transmit an ACK packet
++ackCount;
totalDelayUs = 0;
// send out an ACK on the bind channel, required by deviationTx
payload[9] = 0x01;
NRF24L01_SetChannel(CX10_RF_BIND_CHANNEL);
NRF24L01_FlushTx();
XN297_WritePayload(payload, payloadSize);
NRF24L01_SetTxMode();// enter transmit mode to send the packet
// wait for the ACK packet to send before changing channel
static const int fifoDelayUs = 100;
while (!(NRF24L01_ReadReg(NRF24L01_17_FIFO_STATUS) & BV(NRF24L01_17_FIFO_STATUS_TX_EMPTY))) {
delayMicroseconds(fifoDelayUs);
totalDelayUs += fifoDelayUs;
}
// send out an ACK on each of the hopping channels, required by CX10 transmitter
for (uint8_t ii = 0; ii < RF_CHANNEL_COUNT; ++ii) {
NRF24L01_SetChannel(rfChannels[ii]);
XN297_WritePayload(payload, payloadSize);
NRF24L01_SetTxMode();// enter transmit mode to send the packet
// wait for the ACK packet to send before changing channel
while (!(NRF24L01_ReadReg(NRF24L01_17_FIFO_STATUS) & BV(NRF24L01_17_FIFO_STATUS_TX_EMPTY))) {
delayMicroseconds(fifoDelayUs);
totalDelayUs += fifoDelayUs;
}
}
static const int delayBetweenPacketsUs = 1000;
if (totalDelayUs < delayBetweenPacketsUs) {
delayMicroseconds(delayBetweenPacketsUs - totalDelayUs);
}
NRF24L01_SetRxMode();//reenter receive mode after sending ACKs
if (ackCount > ACK_TO_SEND_COUNT) {
NRF24L01_SetChannel(rfChannels[0]);
// and go into data state to wait for first data packet
protocolState = STATE_DATA;
}
break;
case STATE_DATA:
timeNowUs = micros();
// read the payload, processing of payload is deferred
if (NRF24L01_ReadPayloadIfAvailable(payload, payloadSize + 2)) {
XN297_UnscramblePayload(payload, payloadSize + 2);
hopToNextChannel();
timeOfLastHop = timeNowUs;
ret = NRF24_RECEIVED_DATA;
}
if (timeNowUs > timeOfLastHop + hopTimeout) {
hopToNextChannel();
timeOfLastHop = timeNowUs;
}
}
return ret;
}
void cx10Init(const rxConfig_t *rxConfig, rxRuntimeConfig_t *rxRuntimeConfig)
{
rxRuntimeConfig->channelCount = CX10_RC_CHANNEL_COUNT;
cx10Nrf24Init((nrf24_protocol_t)rxConfig->nrf24rx_protocol);
}
// XN297 emulation layer
static const uint8_t xn297_data_scramble[30] = {
0xbc, 0xe5, 0x66, 0x0d, 0xae, 0x8c, 0x88, 0x12,
0x69, 0xee, 0x1f, 0xc7, 0x62, 0x97, 0xd5, 0x0b,
0x79, 0xca, 0xcc, 0x1b, 0x5d, 0x19, 0x10, 0x24,
0xd3, 0xdc, 0x3f, 0x8e, 0xc5, 0x2f
};
static uint8_t bitReverse(uint8_t bIn)
{
uint8_t bOut = 0;
for (int ii = 0; ii < 8; ++ii) {
bOut = (bOut << 1) | (bIn & 1);
bIn >>= 1;
}
return bOut;
}
static uint16_t crc16_update(uint16_t crc, unsigned char a)
{
static const uint16_t crcPolynomial = 0x1021;
crc ^= a << 8;
for (int ii = 0; ii < 8; ++ii) {
if (crc & 0x8000) {
crc = (crc << 1) ^ crcPolynomial;
} else {
crc = crc << 1;
}
}
return crc;
}
STATIC_UNIT_TESTED uint8_t XN297_WritePayload(uint8_t* data, int len)
{
uint8_t packet[NRF24L01_MAX_PAYLOAD_SIZE];
uint16_t crc = 0xb5d2;
for (int ii = 0; ii < RX_TX_ADDR_LEN; ++ii) {
packet[ii] = rxAddr[RX_TX_ADDR_LEN - 1 - ii];
crc = crc16_update(crc, packet[ii]);
}
for (int ii = 0; ii < len; ++ii) {
// bit-reverse bytes in packet
const uint8_t bOut = bitReverse(data[ii]);
packet[ii + RX_TX_ADDR_LEN] = bOut ^ xn297_data_scramble[ii];
crc = crc16_update(crc, packet[ii + RX_TX_ADDR_LEN]);
}
const uint16_t crcXor = (len == CX10_PROTOCOL_PAYLOAD_SIZE) ? 0x9BA7 : 0x61B1;
crc ^= crcXor;
packet[RX_TX_ADDR_LEN + len] = crc >> 8;
packet[RX_TX_ADDR_LEN + len + 1] = crc & 0xff;
return NRF24L01_WritePayload(packet, RX_TX_ADDR_LEN + len + 2);
}
STATIC_UNIT_TESTED void XN297_UnscramblePayload(uint8_t* data, int len)
{
for (uint8_t ii = 0; ii < len; ++ii) {
data[ii] = bitReverse(data[ii] ^ xn297_data_scramble[ii]);
}
}
// End of XN297 emulation
#endif

26
src/main/rx/nrf24_cx10.h Normal file
View file

@ -0,0 +1,26 @@
/*
* This file is part of Cleanflight.
*
* Cleanflight is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Cleanflight is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Cleanflight. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <stdbool.h>
#include <stdint.h>
void cx10Init(const rxConfig_t *rxConfig, rxRuntimeConfig_t *rxRuntimeConfig);
void cx10SetRcDataFromPayload(uint16_t *rcData, const uint8_t *payload);
nrf24_received_t cx10DataReceived(uint8_t *payload);

301
src/main/rx/nrf24_syma.c Normal file
View file

@ -0,0 +1,301 @@
/*
* This file is part of Cleanflight.
*
* Cleanflight is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Cleanflight is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Cleanflight. If not, see <http://www.gnu.org/licenses/>.
*/
// This file borrows heavily from project Deviation,
// see http://deviationtx.com
#include <stdbool.h>
#include <stdint.h>
#include <string.h>
#include <platform.h>
#include "build_config.h"
#ifdef USE_RX_SYMA
#include "drivers/rx_nrf24l01.h"
#include "drivers/system.h"
#include "rx/nrf24.h"
#include "rx/nrf24_syma.h"
/*
* Deviation transmitter sends 345 bind packets, then starts sending data packets.
* Packets are send at rate of at least one every 4 milliseconds, ie at least 250Hz.
* This means binding phase lasts 1.4 seconds, the transmitter then enters the data phase.
* Other transmitters may vary but should have similar characteristics.
*/
/*
* SymaX Protocol
* No auto acknowledgment
* Data rate is 250Kbps
* Payload size is 10, static
* Bind Phase
* uses address {0xab,0xac,0xad,0xae,0xaf}
* hops between 4 channels {0x4b, 0x30, 0x40, 0x20}
* Data Phase
* uses address received in bind packets
* hops between 4 channels generated from address received in bind packets
*
* SymaX5 Protocol
* No auto acknowledgment
* Payload size is 16, static
* Data rate is 1Mbps
* Bind Phase
* uses address {0x6d,0x6a,0x73,0x73,0x73}
* hops between 16 channels {0x27, 0x1b, 0x39, 0x28, 0x24, 0x22, 0x2e, 0x36, 0x19, 0x21, 0x29, 0x14, 0x1e, 0x12, 0x2d, 0x18};
* Data phase
* uses same address as bind phase
* hops between 15 channels {0x1d, 0x2f, 0x26, 0x3d, 0x15, 0x2b, 0x25, 0x24, 0x27, 0x2c, 0x1c, 0x3e, 0x39, 0x2d, 0x22};
* (common channels between both phases are: 0x27, 0x39, 0x24, 0x22, 0x2d)
*/
#define SYMA_RC_CHANNEL_COUNT 9
#define SYMA_X_PROTOCOL_PAYLOAD_SIZE 10
#define SYMA_X5C_PROTOCOL_PAYLOAD_SIZE 16
#define SYMA_X_RF_BIND_CHANNEL 8
#define SYMA_X_RF_CHANNEL_COUNT 4
#define SYMA_X5C_RF_BIND_CHANNEL_COUNT 16
#define SYMA_X5C_RF_CHANNEL_COUNT 15
#define FLAG_PICTURE 0x40
#define FLAG_VIDEO 0x80
#define FLAG_FLIP 0x40
#define FLAG_HEADLESS 0x80
#define FLAG_FLIP_X5C 0x01
#define FLAG_PICTURE_X5C 0x08
#define FLAG_VIDEO_X5C 0x10
#define FLAG_RATE_X5C 0x04
STATIC_UNIT_TESTED nrf24_protocol_t symaProtocol;
typedef enum {
STATE_BIND = 0,
STATE_DATA
} protocol_state_t;
STATIC_UNIT_TESTED protocol_state_t protocolState;
// X11, X12, X5C-1 have 10-byte payload, X5C has 16-byte payload
STATIC_UNIT_TESTED uint8_t payloadSize;
#define RX_TX_ADDR_LEN 5
// set rxTxAddr to SymaX bind values
STATIC_UNIT_TESTED uint8_t rxTxAddr[RX_TX_ADDR_LEN] = {0xab, 0xac, 0xad, 0xae, 0xaf};
STATIC_UNIT_TESTED const uint8_t rxTxAddrX5C[RX_TX_ADDR_LEN] = {0x6d, 0x6a, 0x73, 0x73, 0x73}; // X5C uses same address for bind and data
// radio channels for frequency hopping
static int packetCount = 0;
STATIC_UNIT_TESTED uint8_t rfChannelIndex = 0;
STATIC_UNIT_TESTED uint8_t rfChannelCount = SYMA_X_RF_CHANNEL_COUNT;
// set rfChannels to SymaX bind channels, reserve enough space for SymaX5C channels
STATIC_UNIT_TESTED uint8_t rfChannels[SYMA_X5C_RF_BIND_CHANNEL_COUNT] = {0x4b, 0x30, 0x40, 0x20};
STATIC_UNIT_TESTED const uint8_t rfChannelsX5C[SYMA_X5C_RF_CHANNEL_COUNT] = {0x1d, 0x2f, 0x26, 0x3d, 0x15, 0x2b, 0x25, 0x24, 0x27, 0x2c, 0x1c, 0x3e, 0x39, 0x2d, 0x22};
static uint32_t timeOfLastHop;
static uint32_t hopTimeout = 10000; // 10ms
void symaNrf24Init(nrf24_protocol_t protocol)
{
symaProtocol = protocol;
NRF24L01_Initialize(BV(NRF24L01_00_CONFIG_EN_CRC) | BV( NRF24L01_00_CONFIG_CRCO)); // sets PWR_UP, EN_CRC, CRCO - 2 byte CRC
NRF24L01_WriteReg(NRF24L01_01_EN_AA, 0); // No auto acknowledgment
NRF24L01_WriteReg(NRF24L01_02_EN_RXADDR, BV(NRF24L01_02_EN_RXADDR_ERX_P0));
NRF24L01_WriteReg(NRF24L01_03_SETUP_AW, NRF24L01_03_SETUP_AW_5BYTES); // 5-byte RX/TX address
if (symaProtocol == NRF24RX_SYMA_X) {
payloadSize = SYMA_X_PROTOCOL_PAYLOAD_SIZE;
NRF24L01_WriteReg(NRF24L01_06_RF_SETUP, NRF24L01_06_RF_SETUP_RF_DR_250Kbps | NRF24L01_06_RF_SETUP_RF_PWR_n12dbm);
protocolState = STATE_BIND;
// RX_ADDR for pipes P1-P5 are left at default values
NRF24L01_WriteRegisterMulti(NRF24L01_0A_RX_ADDR_P0, rxTxAddr, RX_TX_ADDR_LEN);
} else {
payloadSize = SYMA_X5C_PROTOCOL_PAYLOAD_SIZE;
NRF24L01_WriteReg(NRF24L01_06_RF_SETUP, NRF24L01_06_RF_SETUP_RF_DR_1Mbps | NRF24L01_06_RF_SETUP_RF_PWR_n12dbm);
// RX_ADDR for pipes P1-P5 are left at default values
NRF24L01_WriteRegisterMulti(NRF24L01_0A_RX_ADDR_P0, rxTxAddrX5C, RX_TX_ADDR_LEN);
// just go straight into data mode, since the SYMA_X5C protocol does not actually require binding
protocolState = STATE_DATA;
rfChannelCount = SYMA_X5C_RF_CHANNEL_COUNT;
memcpy(rfChannels, rfChannelsX5C, SYMA_X5C_RF_CHANNEL_COUNT);
}
NRF24L01_SetChannel(rfChannels[0]);
NRF24L01_WriteReg(NRF24L01_08_OBSERVE_TX, 0x00);
NRF24L01_WriteReg(NRF24L01_1C_DYNPD, 0x00); // Disable dynamic payload length on all pipes
NRF24L01_WriteReg(NRF24L01_11_RX_PW_P0, payloadSize);
NRF24L01_SetRxMode(); // enter receive mode to start listening for packets
}
STATIC_UNIT_TESTED uint16_t convertToPwmUnsigned(uint8_t val)
{
uint32_t ret = val;
ret = ret * (PWM_RANGE_MAX - PWM_RANGE_MIN) / UINT8_MAX + PWM_RANGE_MIN;
return (uint16_t)ret;
}
STATIC_UNIT_TESTED uint16_t convertToPwmSigned(uint8_t val)
{
int32_t ret = val & 0x7f;
ret = (ret * (PWM_RANGE_MAX - PWM_RANGE_MIN)) / (2 * INT8_MAX);
if (val & 0x80) {// sign bit set
ret = -ret;
}
return (uint16_t)(PWM_RANGE_MIDDLE + ret);
}
STATIC_UNIT_TESTED bool checkBindPacket(const uint8_t *packet)
{
bool bindPacket = false;
if (symaProtocol == NRF24RX_SYMA_X) {
if ((packet[5] == 0xaa) && (packet[6] == 0xaa) && (packet[7] == 0xaa)) {
bindPacket = true;
rxTxAddr[4] = packet[0];
rxTxAddr[3] = packet[1];
rxTxAddr[2] = packet[2];
rxTxAddr[1] = packet[3];
rxTxAddr[0] = packet[4];
}
} else {
if ((packet[0] == 0) && (packet[1] == 0) && (packet[14] == 0xc0) && (packet[15] == 0x17)) {
bindPacket = true;
}
}
return bindPacket;
}
void symaSetRcDataFromPayload(uint16_t *rcData, const uint8_t *packet)
{
rcData[NRF24_THROTTLE] = convertToPwmUnsigned(packet[0]); // throttle
rcData[NRF24_ROLL] = convertToPwmSigned(packet[3]); // aileron
if (symaProtocol == NRF24RX_SYMA_X) {
rcData[NRF24_PITCH] = convertToPwmSigned(packet[1]); // elevator
rcData[NRF24_YAW] = convertToPwmSigned(packet[2]); // rudder
const uint8_t rate = (packet[5] & 0xc0) >> 6; // takes values 0, 1, 2
if (rate == 0) {
rcData[NRF24_AUX1] = PWM_RANGE_MIN;
} else if (rate == 1) {
rcData[NRF24_AUX1] = PWM_RANGE_MIDDLE;
} else {
rcData[NRF24_AUX1] = PWM_RANGE_MAX;
}
rcData[NRF24_AUX2] = packet[6] & FLAG_FLIP ? PWM_RANGE_MAX : PWM_RANGE_MIN;
rcData[NRF24_AUX3] = packet[4] & FLAG_PICTURE ? PWM_RANGE_MAX : PWM_RANGE_MIN;
rcData[NRF24_AUX4] = packet[4] & FLAG_VIDEO ? PWM_RANGE_MAX : PWM_RANGE_MIN;
rcData[NRF24_AUX5] = packet[14] & FLAG_HEADLESS ? PWM_RANGE_MAX : PWM_RANGE_MIN;
} else {
rcData[NRF24_PITCH] = convertToPwmSigned(packet[2]); // elevator
rcData[NRF24_YAW] = convertToPwmSigned(packet[1]); // rudder
const uint8_t flags = packet[14];
rcData[NRF24_AUX1] = flags & FLAG_RATE_X5C ? PWM_RANGE_MAX : PWM_RANGE_MIN;
rcData[NRF24_AUX2] = flags & FLAG_FLIP_X5C ? PWM_RANGE_MAX : PWM_RANGE_MIN;
rcData[NRF24_AUX3] = flags & FLAG_PICTURE_X5C ? PWM_RANGE_MAX : PWM_RANGE_MIN;
rcData[NRF24_AUX4] = flags & FLAG_VIDEO_X5C ? PWM_RANGE_MAX : PWM_RANGE_MIN;
}
}
static void hopToNextChannel(void)
{
// hop channel every second packet
++packetCount;
if ((packetCount & 0x01) == 0) {
++rfChannelIndex;
if (rfChannelIndex >= rfChannelCount) {
rfChannelIndex = 0;
}
}
NRF24L01_SetChannel(rfChannels[rfChannelIndex]);
}
// The SymaX hopping channels are determined by the low bits of rxTxAddress
void setSymaXHoppingChannels(uint32_t addr)
{
addr = addr & 0x1f;
if (addr == 0x06) {
addr = 0x07;
}
const uint32_t inc = (addr << 24) | (addr << 16) | (addr << 8) | addr;
uint32_t * const prfChannels = (uint32_t *)rfChannels;
if (addr == 0x16) {
*prfChannels = 0x28481131;
} else if (addr == 0x1e) {
*prfChannels = 0x38184121;
} else if (addr < 0x10) {
*prfChannels = 0x3A2A1A0A + inc;
} else if (addr < 0x18) {
*prfChannels = 0x1231FA1A + inc;
} else {
*prfChannels = 0x19FA2202 + inc;
}
}
/*
* This is called periodically by the scheduler.
* Returns NRF24_RECEIVED_DATA if a data packet was received.
*/
nrf24_received_t symaDataReceived(uint8_t *payload)
{
nrf24_received_t ret = NRF24_RECEIVED_NONE;
switch (protocolState) {
case STATE_BIND:
if (NRF24L01_ReadPayloadIfAvailable(payload, payloadSize)) {
const bool bindPacket = checkBindPacket(payload);
if (bindPacket) {
ret = NRF24_RECEIVED_BIND;
protocolState = STATE_DATA;
// using protocol NRF24L01_SYMA_X, since NRF24L01_SYMA_X5C went straight into data mode
// set the hopping channels as determined by the rxTxAddr received in the bind packet
setSymaXHoppingChannels(rxTxAddr[0]);
// set the NRF24 to use the rxTxAddr received in the bind packet
NRF24L01_WriteRegisterMulti(NRF24L01_0A_RX_ADDR_P0, rxTxAddr, RX_TX_ADDR_LEN);
packetCount = 0;
rfChannelIndex = 0;
NRF24L01_SetChannel(rfChannels[0]);
}
}
break;
case STATE_DATA:
// read the payload, processing of payload is deferred
if (NRF24L01_ReadPayloadIfAvailable(payload, payloadSize)) {
hopToNextChannel();
timeOfLastHop = micros();
ret = NRF24_RECEIVED_DATA;
}
if (micros() > timeOfLastHop + hopTimeout) {
hopToNextChannel();
timeOfLastHop = micros();
}
break;
}
return ret;
}
void symaInit(const rxConfig_t *rxConfig, rxRuntimeConfig_t *rxRuntimeConfig)
{
rxRuntimeConfig->channelCount = SYMA_RC_CHANNEL_COUNT;
symaNrf24Init((nrf24_protocol_t)rxConfig->nrf24rx_protocol);
}
#endif

26
src/main/rx/nrf24_syma.h Normal file
View file

@ -0,0 +1,26 @@
/*
* This file is part of Cleanflight.
*
* Cleanflight is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Cleanflight is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Cleanflight. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <stdbool.h>
#include <stdint.h>
void symaInit(const rxConfig_t *rxConfig, rxRuntimeConfig_t *rxRuntimeConfig);
void symaSetRcDataFromPayload(uint16_t *rcData, const uint8_t *payload);
nrf24_received_t symaDataReceived(uint8_t *payload);

271
src/main/rx/nrf24_v202.c Normal file
View file

@ -0,0 +1,271 @@
/*
* This file is part of Cleanflight.
*
* Cleanflight is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Cleanflight is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Cleanflight. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* v202 Protocol
* No auto acknowledgment
* Payload size is 16, static
* Data rate is 250Kbps or 1Mbps depending on variant
* Bind Phase
* uses address {0x66, 0x88, 0x68, 0x68, 0x68}
* hops between 16 channels
* Data Phase
* uses same address as bind phase
* hops between 16 channels generated from address received in bind packets
*/
// this file is copied with modifications from bradwii for jd385
// see https://github.com/hackocopter/bradwii-jd385
#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>
#include <platform.h>
#include "build_config.h"
#ifdef USE_RX_V202
#include "drivers/rx_nrf24l01.h"
#include "drivers/system.h"
#include "rx/nrf24.h"
#include "rx/nrf24_v202.h"
/*
* V202 Protocol
* No auto acknowledgment
* Payload size is 16 and static
* Data rate is 1Mbps, there is a 256Kbps data rate used by the Deviation transmitter implementation
* Bind Phase
* uses address {0x66, 0x88, 0x68, 0x68, 0x68}
* uses channels from the frequency hopping table
* Data phase
* uses same address as bind phase
* hops between 16 channels that are set using the txId sent in the bind packet and the frequency hopping table
*/
#define V2X2_PAYLOAD_SIZE 16
#define V2X2_NFREQCHANNELS 16
#define TXIDSIZE 3
#define V2X2_RC_CHANNEL_COUNT 11
enum {
// packet[14] flags
V2X2_FLAG_CAMERA = 0x01, // also automatic Missile Launcher and Hoist in one direction
V2X2_FLAG_VIDEO = 0x02, // also Sprayer, Bubbler, Missile Launcher(1), and Hoist in the other dir.
V2X2_FLAG_FLIP = 0x04,
V2X2_FLAG_UNK9 = 0x08,
V2X2_FLAG_LED = 0x10,
V2X2_FLAG_UNK10 = 0x20,
V2X2_FLAG_BIND = 0xC0,
// packet[10] flags
V2X2_FLAG_HEADLESS = 0x02,
V2X2_FLAG_MAG_CAL_X = 0x08,
V2X2_FLAG_MAG_CAL_Y = 0x20
};
enum {
PHASE_NOT_BOUND = 0,
PHASE_BOUND
};
// This is frequency hopping table for V202 protocol
// The table is the first 4 rows of 32 frequency hopping
// patterns, all other rows are derived from the first 4.
// For some reason the protocol avoids channels, dividing
// by 16 and replaces them by subtracting 3 from the channel
// number in this case.
// The pattern is defined by 5 least significant bits of
// sum of 3 bytes comprising TX id
static const uint8_t v2x2_freq_hopping[][V2X2_NFREQCHANNELS] = {
{ 0x27, 0x1B, 0x39, 0x28, 0x24, 0x22, 0x2E, 0x36,
0x19, 0x21, 0x29, 0x14, 0x1E, 0x12, 0x2D, 0x18 }, // 00
{ 0x2E, 0x33, 0x25, 0x38, 0x19, 0x12, 0x18, 0x16,
0x2A, 0x1C, 0x1F, 0x37, 0x2F, 0x23, 0x34, 0x10 }, // 01
{ 0x11, 0x1A, 0x35, 0x24, 0x28, 0x18, 0x25, 0x2A,
0x32, 0x2C, 0x14, 0x27, 0x36, 0x34, 0x1C, 0x17 }, // 02
{ 0x22, 0x27, 0x17, 0x39, 0x34, 0x28, 0x2B, 0x1D,
0x18, 0x2A, 0x21, 0x38, 0x10, 0x26, 0x20, 0x1F } // 03
};
STATIC_UNIT_TESTED uint8_t rf_channels[V2X2_NFREQCHANNELS];
STATIC_UNIT_TESTED uint8_t rf_ch_num;
STATIC_UNIT_TESTED uint8_t bind_phase;
static uint32_t packet_timer;
STATIC_UNIT_TESTED uint8_t txid[TXIDSIZE];
static uint32_t rx_timeout;
extern uint16_t nrf24RcData[];
const unsigned char v2x2_channelindex[] = {NRF24_THROTTLE,NRF24_YAW,NRF24_PITCH,NRF24_ROLL,
NRF24_AUX1,NRF24_AUX2,NRF24_AUX3,NRF24_AUX4,NRF24_AUX5,NRF24_AUX6,NRF24_AUX7};
static void prepare_to_bind(void)
{
packet_timer = micros();
for (int i = 0; i < V2X2_NFREQCHANNELS; ++i) {
rf_channels[i] = v2x2_freq_hopping[0][i];
}
rx_timeout = 1000L;
}
static void switch_channel(void)
{
NRF24L01_WriteReg(NRF24L01_05_RF_CH, rf_channels[rf_ch_num]);
if (++rf_ch_num >= V2X2_NFREQCHANNELS) rf_ch_num = 0;
}
void v202Nrf24Init(nrf24_protocol_t protocol)
{
NRF24L01_Initialize(BV(NRF24L01_00_CONFIG_EN_CRC) | BV(NRF24L01_00_CONFIG_CRCO)); // 2-bytes CRC
NRF24L01_WriteReg(NRF24L01_01_EN_AA, 0x00); // No Auto Acknowledgment
NRF24L01_WriteReg(NRF24L01_02_EN_RXADDR, BV(NRF24L01_02_EN_RXADDR_ERX_P0)); // Enable data pipe 0
NRF24L01_WriteReg(NRF24L01_03_SETUP_AW, NRF24L01_03_SETUP_AW_5BYTES); // 5-byte RX/TX address
NRF24L01_WriteReg(NRF24L01_04_SETUP_RETR, 0xFF); // 4ms retransmit t/o, 15 tries
if (protocol == NRF24RX_V202_250K) {
NRF24L01_WriteReg(NRF24L01_06_RF_SETUP, NRF24L01_06_RF_SETUP_RF_DR_250Kbps | NRF24L01_06_RF_SETUP_RF_PWR_n12dbm);
} else {
NRF24L01_WriteReg(NRF24L01_06_RF_SETUP, NRF24L01_06_RF_SETUP_RF_DR_1Mbps | NRF24L01_06_RF_SETUP_RF_PWR_n12dbm);
}
NRF24L01_WriteReg(NRF24L01_07_STATUS, BV(NRF24L01_07_STATUS_RX_DR) | BV(NRF24L01_07_STATUS_TX_DS) | BV(NRF24L01_07_STATUS_MAX_RT)); // Clear data ready, data sent, and retransmit
NRF24L01_WriteReg(NRF24L01_11_RX_PW_P0, V2X2_PAYLOAD_SIZE); // bytes of data payload for pipe 0
NRF24L01_WriteReg(NRF24L01_17_FIFO_STATUS, 0x00); // Just in case, no real bits to write here
#define RX_TX_ADDR_LEN 5
const uint8_t rx_tx_addr[RX_TX_ADDR_LEN] = {0x66, 0x88, 0x68, 0x68, 0x68};
NRF24L01_WriteRegisterMulti(NRF24L01_0A_RX_ADDR_P0, rx_tx_addr, RX_TX_ADDR_LEN);
NRF24L01_WriteRegisterMulti(NRF24L01_10_TX_ADDR, rx_tx_addr, RX_TX_ADDR_LEN);
NRF24L01_FlushTx();
NRF24L01_FlushRx();
rf_ch_num = 0;
bind_phase = PHASE_NOT_BOUND;
prepare_to_bind();
switch_channel();
NRF24L01_SetRxMode(); // enter receive mode to start listening for packets
}
void v2x2_set_tx_id(uint8_t *id)
{
uint8_t sum;
txid[0] = id[0];
txid[1] = id[1];
txid[2] = id[2];
sum = id[0] + id[1] + id[2];
// Base row is defined by lowest 2 bits
const uint8_t *fh_row = v2x2_freq_hopping[sum & 0x03];
// Higher 3 bits define increment to corresponding row
uint8_t increment = (sum & 0x1e) >> 2;
for (int i = 0; i < V2X2_NFREQCHANNELS; ++i) {
uint8_t val = fh_row[i] + increment;
// Strange avoidance of channels divisible by 16
rf_channels[i] = (val & 0x0f) ? val : val - 3;
}
}
static void decode_bind_packet(uint8_t *packet)
{
if ((packet[14] & V2X2_FLAG_BIND) == V2X2_FLAG_BIND) {
// Fill out rf_channels with bound protocol parameters
v2x2_set_tx_id(&packet[7]);
bind_phase = PHASE_BOUND;
rx_timeout = 1000L; // find the channel as fast as possible
}
}
// Returns whether the data was successfully decoded
static nrf24_received_t decode_packet(uint8_t *packet)
{
if(bind_phase != PHASE_BOUND) {
decode_bind_packet(packet);
return NRF24_RECEIVED_BIND;
}
// Decode packet
if ((packet[14] & V2X2_FLAG_BIND) == V2X2_FLAG_BIND) {
return NRF24_RECEIVED_BIND;
}
if (packet[7] != txid[0] ||
packet[8] != txid[1] ||
packet[9] != txid[2]) {
return NRF24_RECEIVED_NONE;
}
// Restore regular interval
rx_timeout = 10000L; // 4ms interval, duplicate packets, (8ms unique) + 25%
// TREA order in packet to MultiWii order is handled by
// correct assignment to channelindex
// Throttle 0..255 to 1000..2000
nrf24RcData[v2x2_channelindex[0]] = ((uint16_t)packet[0]) * 1000 / 255 + 1000;
for (int i = 1; i < 4; ++i) {
uint8_t a = packet[i];
nrf24RcData[v2x2_channelindex[i]] = ((uint16_t)(a < 0x80 ? 0x7f - a : a)) * 1000 / 255 + 1000;
}
const uint8_t flags[] = {V2X2_FLAG_LED, V2X2_FLAG_FLIP, V2X2_FLAG_CAMERA, V2X2_FLAG_VIDEO}; // two more unknown bits
for (int i = 4; i < 8; ++i) {
nrf24RcData[v2x2_channelindex[i]] = (packet[14] & flags[i-4]) ? PWM_RANGE_MAX : PWM_RANGE_MIN;
}
const uint8_t flags10[] = {V2X2_FLAG_HEADLESS, V2X2_FLAG_MAG_CAL_X, V2X2_FLAG_MAG_CAL_Y};
for (int i = 8; i < 11; ++i) {
nrf24RcData[v2x2_channelindex[i]] = (packet[10] & flags10[i-8]) ? PWM_RANGE_MAX : PWM_RANGE_MIN;
}
packet_timer = micros();
return NRF24_RECEIVED_DATA;
}
void v202SetRcDataFromPayload(uint16_t *rcData, const uint8_t *packet)
{
UNUSED(rcData);
UNUSED(packet);
// Ideally the decoding of the packet should be moved into here, to reduce the overhead of v202DataReceived function.
}
nrf24_received_t readrx(uint8_t *packet)
{
if (!(NRF24L01_ReadReg(NRF24L01_07_STATUS) & BV(NRF24L01_07_STATUS_RX_DR))) {
uint32_t t = micros() - packet_timer;
if (t > rx_timeout) {
switch_channel();
packet_timer = micros();
}
return NRF24_RECEIVED_NONE;
}
packet_timer = micros();
NRF24L01_WriteReg(NRF24L01_07_STATUS, BV(NRF24L01_07_STATUS_RX_DR)); // clear the RX_DR flag
NRF24L01_ReadPayload(packet, V2X2_PAYLOAD_SIZE);
NRF24L01_FlushRx();
switch_channel();
return decode_packet(packet);
}
/*
* This is called periodically by the scheduler.
* Returns NRF24_RECEIVED_DATA if a data packet was received.
*/
nrf24_received_t v202DataReceived(uint8_t *packet)
{
return readrx(packet);
}
void v202Init(const rxConfig_t *rxConfig, rxRuntimeConfig_t *rxRuntimeConfig)
{
rxRuntimeConfig->channelCount = V2X2_RC_CHANNEL_COUNT;
v202Nrf24Init((nrf24_protocol_t)rxConfig->nrf24rx_protocol);
}
#endif

25
src/main/rx/nrf24_v202.h Normal file
View file

@ -0,0 +1,25 @@
/*
* This file is part of Cleanflight.
*
* Cleanflight is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Cleanflight is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Cleanflight. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <stdbool.h>
#include <stdint.h>
void v202Init(const rxConfig_t *rxConfig, rxRuntimeConfig_t *rxRuntimeConfig);
nrf24_received_t v202DataReceived(uint8_t *payload);
void v202SetRcDataFromPayload(uint16_t *rcData, const uint8_t *payload);

29
src/main/rx/rx.c
View file

@ -49,6 +49,7 @@
#include "rx/msp.h"
#include "rx/xbus.h"
#include "rx/ibus.h"
#include "rx/nrf24.h"
#include "rx/rx.h"
@ -183,11 +184,23 @@ void rxInit(rxConfig_t *rxConfig, modeActivationCondition_t *modeActivationCondi
}
#endif
#ifdef USE_RX_NRF24
if (feature(FEATURE_RX_NRF24)) {
rxRefreshRate = 10000;
const bool enabled = rxNrf24Init(rxConfig, &rxRuntimeConfig, &rcReadRawFunc);
if (!enabled) {
featureClear(FEATURE_RX_NRF24);
rcReadRawFunc = nullReadRawRC;
}
}
#endif
#ifndef SKIP_RX_PWM
if (feature(FEATURE_RX_PPM) || feature(FEATURE_RX_PARALLEL_PWM)) {
rxRefreshRate = 20000;
rxPwmInit(&rxRuntimeConfig, &rcReadRawFunc);
}
#endif
rxRuntimeConfig.auxChannelCount = rxRuntimeConfig.channelCount - STICK_CHANNEL_COUNT;
}
@ -332,6 +345,17 @@ void updateRx(uint32_t currentTime)
}
#endif
#ifdef USE_RX_NRF24
if (feature(FEATURE_RX_NRF24)) {
rxDataReceived = rxNrf24DataReceived();
if (rxDataReceived) {
rxSignalReceived = true;
rxIsInFailsafeMode = false;
needRxSignalBefore = currentTime + DELAY_10_HZ;
}
}
#endif
#ifndef SKIP_RX_MSP
if (feature(FEATURE_RX_MSP)) {
rxDataReceived = rxMspFrameComplete();
@ -344,6 +368,7 @@ void updateRx(uint32_t currentTime)
}
#endif
#ifndef SKIP_RX_PWM
if (feature(FEATURE_RX_PPM)) {
if (isPPMDataBeingReceived()) {
rxSignalReceivedNotDataDriven = true;
@ -360,7 +385,7 @@ void updateRx(uint32_t currentTime)
needRxSignalBefore = currentTime + DELAY_10_HZ;
}
}
#endif
}
bool shouldProcessRx(uint32_t currentTime)

1
src/main/rx/rx.h
View file

@ -111,6 +111,7 @@ typedef struct rxChannelRangeConfiguration_s {
typedef struct rxConfig_s {
uint8_t rcmap[MAX_MAPPABLE_RX_INPUTS]; // mapping of radio channels to internal RPYTA+ order
uint8_t serialrx_provider; // type of UART-based receiver (0 = spek 10, 1 = spek 11, 2 = sbus). Must be enabled by FEATURE_RX_SERIAL first.
uint8_t nrf24rx_protocol; // type of nrf24 protocol (0 = v202 250kbps). Must be enabled by FEATURE_RX_NRF24 first.
uint8_t spektrum_sat_bind; // number of bind pulses for Spektrum satellite receivers
uint8_t rssi_channel;
uint8_t rssi_scale;

48
src/main/target/CJMCU/target.h
View file

@ -20,6 +20,8 @@
#define TARGET_BOARD_IDENTIFIER "CJM1" // CJMCU
#define USE_HARDWARE_REVISION_DETECTION
#define BRUSHED_MOTORS
#define LED0
#define LED0_GPIO GPIOC
#define LED0_PIN Pin_14 // PC14 (LED)
@ -35,29 +37,49 @@
#define LED2_PIN Pin_15 // PC15 (LED)
#define LED2_PERIPHERAL RCC_APB2Periph_GPIOC
#define ACC
#define USE_ACC_MPU6050
#undef BEEPER
#define GYRO
#define USE_GYRO_MPU6050
#define ACC
#define USE_ACC_MPU6050
#define MAG
#define USE_MAG_HMC5883
#define BRUSHED_MOTORS
#define USE_USART1
#define USE_USART2
#define SERIAL_PORT_COUNT 2
#define USE_I2C
#define I2C_DEVICE (I2CDEV_1)
// #define SOFT_I2C // enable to test software i2c
// #define SOFT_I2C_PB1011 // If SOFT_I2C is enabled above, need to define pinout as well (I2C1 = PB67, I2C2 = PB1011)
// #define SOFT_I2C_PB67
#define USE_SPI
#define USE_SPI_DEVICE_1
#define NRF24_SPI_INSTANCE SPI1
#define USE_NRF24_SPI1
// Nordic Semiconductor uses 'CSN', STM uses 'NSS'
#define NRF24_CE_GPIO GPIOA
#define NRF24_CE_PIN GPIO_Pin_4
#define NRF24_CE_GPIO_CLK_PERIPHERAL RCC_APB2Periph_GPIOA
#define NRF24_CSN_GPIO GPIOA
#define NRF24_CSN_PIN GPIO_Pin_11
#define NRF24_CSN_GPIO_CLK_PERIPHERAL RCC_APB2Periph_GPIOA
#define NRF24_IRQ_GPIO GPIOA
#define NRF24_IRQ_PIN GPIO_Pin_8
#define NRF24_IRQ_GPIO_CLK_PERIPHERAL RCC_APB2Periph_GPIOA
#define DEFAULT_RX_FEATURE FEATURE_RX_NRF24
#define USE_RX_NRF24
#define USE_RX_V202
#define USE_RX_SYMA
#define USE_RX_CX10
#define NRF24_DEFAULT_PROTOCOL NRF24RX_SYMA_X5C
#define DEFAULT_FEATURES FEATURE_MOTOR_STOP
#define SPEKTRUM_BIND
// USART2, PA3
@ -71,15 +93,15 @@
#undef USE_SERVOS
#if (FLASH_SIZE <= 64)
//#define SKIP_TASK_STATISTICS
#define SKIP_RX_PWM
#define SKIP_CLI_COMMAND_HELP
#undef SERIAL_RX
#undef BLACKBOX
#define SKIP_TASK_STATISTICS
#endif
#undef BEEPER
#undef SKIP_RX_MSP
//#undef USE_CLI
#define USED_TIMERS (TIM_N(1) | TIM_N(2) | TIM_N(3) | TIM_N(4))
#define TIMER_APB1_PERIPHERALS (RCC_APB1Periph_TIM2 | RCC_APB1Periph_TIM3 | RCC_APB1Periph_TIM4)