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STM32F1/3: convert serial UART to IO code

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This commit is contained in:
blckmn 2016-07-04 22:06:20 +10:00
parent 715d622f1f
commit 5f03470557
26 changed files with 236 additions and 635 deletions
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80
src/main/drivers/serial_uart_stm32f10x.c
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@ -29,8 +29,9 @@
#include <platform.h>
#include "system.h"
#include "gpio.h"
#include "io.h"
#include "nvic.h"
#include "rcc.h"
#include "serial.h"
#include "serial_uart.h"
@ -48,13 +49,6 @@ static uartPort_t uartPort2;
static uartPort_t uartPort3;
#endif
// Using RX DMA disables the use of receive callbacks
#define USE_USART1_RX_DMA
#if defined(CC3D) // FIXME move board specific code to target.h files.
#undef USE_USART1_RX_DMA
#endif
void usartIrqCallback(uartPort_t *s)
{
uint16_t SR = s->USARTx->SR;
@ -89,7 +83,7 @@ uartPort_t *serialUSART1(uint32_t baudRate, portMode_t mode, portOptions_t optio
uartPort_t *s;
static volatile uint8_t rx1Buffer[UART1_RX_BUFFER_SIZE];
static volatile uint8_t tx1Buffer[UART1_TX_BUFFER_SIZE];
gpio_config_t gpio;
NVIC_InitTypeDef NVIC_InitStructure;
s = &uartPort1;
@ -112,27 +106,23 @@ uartPort_t *serialUSART1(uint32_t baudRate, portMode_t mode, portOptions_t optio
s->txDMAChannel = DMA1_Channel4;
s->txDMAPeripheralBaseAddr = (uint32_t)&s->USARTx->DR;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE);
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
RCC_ClockCmd(RCC_APB2(USART1), ENABLE);
RCC_ClockCmd(RCC_AHB(DMA1), ENABLE);
// USART1_TX PA9
// USART1_RX PA10
gpio.speed = Speed_2MHz;
gpio.pin = Pin_9;
if (options & SERIAL_BIDIR) {
gpio.mode = Mode_AF_OD;
gpioInit(GPIOA, &gpio);
IOInit(IOGetByTag(IO_TAG(PA9)), OWNER_SERIAL_RXTX, RESOURCE_USART);
IOConfigGPIO(IOGetByTag(IO_TAG(PA9)), IOCFG_AF_OD);
} else {
if (mode & MODE_TX) {
gpio.mode = Mode_AF_PP;
gpioInit(GPIOA, &gpio);
IOInit(IOGetByTag(IO_TAG(PA9)), OWNER_SERIAL_TX, RESOURCE_USART);
IOConfigGPIO(IOGetByTag(IO_TAG(PA9)), IOCFG_AF_PP);
}
if (mode & MODE_RX) {
gpio.pin = Pin_10;
gpio.mode = Mode_IPU;
gpioInit(GPIOA, &gpio);
IOInit(IOGetByTag(IO_TAG(PA10)), OWNER_SERIAL_RX, RESOURCE_USART);
IOConfigGPIO(IOGetByTag(IO_TAG(PA10)), IOCFG_IPU);
}
}
@ -155,7 +145,6 @@ uartPort_t *serialUSART1(uint32_t baudRate, portMode_t mode, portOptions_t optio
return s;
}
// USART1 Tx DMA Handler
void DMA1_Channel4_IRQHandler(void)
{
@ -185,7 +174,7 @@ uartPort_t *serialUSART2(uint32_t baudRate, portMode_t mode, portOptions_t optio
uartPort_t *s;
static volatile uint8_t rx2Buffer[UART2_RX_BUFFER_SIZE];
static volatile uint8_t tx2Buffer[UART2_TX_BUFFER_SIZE];
gpio_config_t gpio;
NVIC_InitTypeDef NVIC_InitStructure;
s = &uartPort2;
@ -203,27 +192,23 @@ uartPort_t *serialUSART2(uint32_t baudRate, portMode_t mode, portOptions_t optio
s->txDMAPeripheralBaseAddr = (uint32_t)&s->USARTx->DR;
s->rxDMAPeripheralBaseAddr = (uint32_t)&s->USARTx->DR;
RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2, ENABLE);
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
RCC_ClockCmd(RCC_APB1(USART2), ENABLE);
RCC_ClockCmd(RCC_AHB(DMA1), ENABLE);
// USART2_TX PA2
// USART2_RX PA3
gpio.speed = Speed_2MHz;
gpio.pin = Pin_2;
if (options & SERIAL_BIDIR) {
gpio.mode = Mode_AF_OD;
gpioInit(GPIOA, &gpio);
IOInit(IOGetByTag(IO_TAG(PA2)), OWNER_SERIAL_RXTX, RESOURCE_USART);
IOConfigGPIO(IOGetByTag(IO_TAG(PA2)), IOCFG_AF_OD);
} else {
if (mode & MODE_TX) {
gpio.mode = Mode_AF_PP;
gpioInit(GPIOA, &gpio);
IOInit(IOGetByTag(IO_TAG(PA2)), OWNER_SERIAL_TX, RESOURCE_USART);
IOConfigGPIO(IOGetByTag(IO_TAG(PA2)), IOCFG_AF_PP);
}
if (mode & MODE_RX) {
gpio.pin = Pin_3;
gpio.mode = Mode_IPU;
gpioInit(GPIOA, &gpio);
IOInit(IOGetByTag(IO_TAG(PA3)), OWNER_SERIAL_RX, RESOURCE_USART);
IOConfigGPIO(IOGetByTag(IO_TAG(PA3)), IOCFG_IPU);
}
}
@ -254,7 +239,7 @@ uartPort_t *serialUSART3(uint32_t baudRate, portMode_t mode, portOptions_t optio
uartPort_t *s;
static volatile uint8_t rx3Buffer[UART3_RX_BUFFER_SIZE];
static volatile uint8_t tx3Buffer[UART3_TX_BUFFER_SIZE];
gpio_config_t gpio;
NVIC_InitTypeDef NVIC_InitStructure;
s = &uartPort3;
@ -272,29 +257,20 @@ uartPort_t *serialUSART3(uint32_t baudRate, portMode_t mode, portOptions_t optio
s->txDMAPeripheralBaseAddr = (uint32_t)&s->USARTx->DR;
s->rxDMAPeripheralBaseAddr = (uint32_t)&s->USARTx->DR;
#ifdef USART3_APB1_PERIPHERALS
RCC_APB1PeriphClockCmd(USART3_APB1_PERIPHERALS, ENABLE);
#endif
#ifdef USART3_APB2_PERIPHERALS
RCC_APB2PeriphClockCmd(USART3_APB2_PERIPHERALS, ENABLE);
#endif
RCC_ClockCmd(RCC_APB1(USART3), ENABLE);
gpio.speed = Speed_2MHz;
gpio.pin = USART3_TX_PIN;
if (options & SERIAL_BIDIR) {
gpio.mode = Mode_AF_OD;
gpioInit(USART3_GPIO, &gpio);
IOInit(IOGetByTag(IO_TAG(USART3_TX_PIN)), OWNER_SERIAL_RXTX, RESOURCE_USART);
IOConfigGPIO(IOGetByTag(IO_TAG(USART3_TX_PIN)), IOCFG_AF_OD);
} else {
if (mode & MODE_TX) {
gpio.mode = Mode_AF_PP;
gpioInit(USART3_GPIO, &gpio);
IOInit(IOGetByTag(IO_TAG(USART3_TX_PIN)), OWNER_SERIAL_TX, RESOURCE_USART);
IOConfigGPIO(IOGetByTag(IO_TAG(USART3_TX_PIN)), IOCFG_AF_PP);
}
if (mode & MODE_RX) {
gpio.pin = USART3_RX_PIN;
gpio.mode = Mode_IPU;
gpioInit(USART3_GPIO, &gpio);
IOInit(IOGetByTag(IO_TAG(USART3_RX_PIN)), OWNER_SERIAL_RX, RESOURCE_USART);
IOConfigGPIO(IOGetByTag(IO_TAG(USART3_RX_PIN)), IOCFG_IPU);
}
}