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Configurable UART

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This commit is contained in:
jflyper 2017-05-15 16:54:30 +09:00
parent 4ee7a330d6
commit fdfe9e8af3
15 changed files with 1617 additions and 1604 deletions
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150
src/main/drivers/serial_uart_impl.h
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@ -17,10 +17,158 @@
#pragma once
// device specific uart implementation is defined here
// Configuration constants
#if defined(STM32F1)
#define UARTDEV_COUNT_MAX 3
#define UARTHARDWARE_PINPAIR_COUNT 3
#ifndef UART_RX_BUFFER_SIZE
#define UART_RX_BUFFER_SIZE 256
#endif
#ifndef UART_TX_BUFFER_SIZE
#define UART_TX_BUFFER_SIZE 256
#endif
#elif defined(STM32F3)
#define UARTDEV_COUNT_MAX 5
#define UARTHARDWARE_PINPAIR_COUNT 4
#ifndef UART_RX_BUFFER_SIZE
#define UART_RX_BUFFER_SIZE 256
#endif
#ifndef UART_TX_BUFFER_SIZE
#define UART_TX_BUFFER_SIZE 256
#endif
#elif defined(STM32F4)
#define UARTDEV_COUNT_MAX 6
#define UARTHARDWARE_PINPAIR_COUNT 4
#ifndef UART_RX_BUFFER_SIZE
#define UART_RX_BUFFER_SIZE 512
#endif
#ifndef UART_TX_BUFFER_SIZE
#define UART_TX_BUFFER_SIZE 512
#endif
#elif defined(STM32F7)
#define UARTDEV_COUNT_MAX 8
#define UARTHARDWARE_PINPAIR_COUNT 3
#ifndef UART_RX_BUFFER_SIZE
#define UART_RX_BUFFER_SIZE 512
#endif
#ifndef UART_TX_BUFFER_SIZE
#define UART_TX_BUFFER_SIZE 512
#endif
#else
#error unknown MCU family
#endif
// Count number of configured UARTs
#ifdef USE_UART1
#define UARTDEV_COUNT_1 1
#else
#define UARTDEV_COUNT_1 0
#endif
#ifdef USE_UART2
#define UARTDEV_COUNT_2 1
#else
#define UARTDEV_COUNT_2 0
#endif
#ifdef USE_UART3
#define UARTDEV_COUNT_3 1
#else
#define UARTDEV_COUNT_3 0
#endif
#ifdef USE_UART4
#define UARTDEV_COUNT_4 1
#else
#define UARTDEV_COUNT_4 0
#endif
#ifdef USE_UART5
#define UARTDEV_COUNT_5 1
#else
#define UARTDEV_COUNT_5 0
#endif
#ifdef USE_UART6
#define UARTDEV_COUNT_6 1
#else
#define UARTDEV_COUNT_6 0
#endif
#ifdef USE_UART7
#define UARTDEV_COUNT_7 1
#else
#define UARTDEV_COUNT_7 0
#endif
#ifdef USE_UART8
#define UARTDEV_COUNT_8 1
#else
#define UARTDEV_COUNT_8 0
#endif
#define UARTDEV_COUNT (UARTDEV_COUNT_1 + UARTDEV_COUNT_2 + UARTDEV_COUNT_3 + UARTDEV_COUNT_4 + UARTDEV_COUNT_5 + UARTDEV_COUNT_6 + UARTDEV_COUNT_7 + UARTDEV_COUNT_8)
typedef struct uartPinPair_s {
ioTag_t rx;
ioTag_t tx;
} uartPinPair_t;
typedef struct uartHardware_s {
UARTDevice device; // XXX Not required for full allocation
USART_TypeDef* reg;
#if defined(STM32F1) || defined(STM32F3)
DMA_Channel_TypeDef *txDMAChannel;
DMA_Channel_TypeDef *rxDMAChannel;
#elif defined(STM32F4) || defined(STM32F7)
uint32_t DMAChannel;
DMA_Stream_TypeDef *txDMAStream;
DMA_Stream_TypeDef *rxDMAStream;
#endif
uartPinPair_t pinPair[UARTHARDWARE_PINPAIR_COUNT];
#if defined(STM32F7)
uint32_t rcc_ahb1;
rccPeriphTag_t rcc_apb2;
rccPeriphTag_t rcc_apb1;
#else
rccPeriphTag_t rcc;
#endif
uint8_t af;
#if defined(STM32F7)
uint8_t txIrq;
uint8_t rxIrq;
#else
uint8_t irqn;
#endif
uint8_t txPriority;
uint8_t rxPriority;
} uartHardware_t;
extern const uartHardware_t uartHardware[];
// uartDevice_t is an actual device instance.
// XXX Instances are allocated for uarts defined by USE_UARTx atm.
typedef struct uartDevice_s {
uartPort_t port;
const uartHardware_t *hardware;
ioTag_t rx;
ioTag_t tx;
volatile uint8_t rxBuffer[UART_RX_BUFFER_SIZE];
volatile uint8_t txBuffer[UART_TX_BUFFER_SIZE];
} uartDevice_t;
extern uartDevice_t uartDevice[];
extern uartDevice_t *uartDevmap[];
extern const struct serialPortVTable uartVTable[];
void uartStartTxDMA(uartPort_t *s);
uartPort_t *serialUART(UARTDevice device, uint32_t baudRate, portMode_t mode, portOptions_t options);
void uartIrqHandler(uartPort_t *s);
void uartReconfigure(uartPort_t *uartPort);