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Code Issues Wiki Activity

[H7] Enable UART

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This commit is contained in:
jflyper 2019-05-04 23:32:24 +09:00
parent 77ef37bad0
commit f58b3eab03
4 changed files with 657 additions and 19 deletions
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50
src/main/drivers/serial_uart_impl.h
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@ -58,6 +58,15 @@
#ifndef UART_TX_BUFFER_SIZE
#define UART_TX_BUFFER_SIZE 256
#endif
#elif defined(STM32H7)
#define UARTDEV_COUNT_MAX 8
#define UARTHARDWARE_MAX_PINS 5
#ifndef UART_RX_BUFFER_SIZE
#define UART_RX_BUFFER_SIZE 128
#endif
#ifndef UART_TX_BUFFER_SIZE
#define UART_TX_BUFFER_SIZE 256
#endif
#else
#error unknown MCU family
#endif
@ -116,7 +125,7 @@
typedef struct uartPinDef_s {
ioTag_t pin;
#if defined(STM32F7)
#if defined(STM32F7) || defined(STM32H7)
uint8_t af;
#endif
} uartPinDef_t;
@ -124,33 +133,54 @@ typedef struct uartPinDef_s {
typedef struct uartHardware_s {
UARTDevice_e 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)
#ifdef USE_DMA
#if defined(STM32F4) || defined(STM32F7)
uint32_t DMAChannel;
DMA_Stream_TypeDef *txDMAStream;
DMA_Stream_TypeDef *rxDMAStream;
#elif defined(STM32H7)
// DMAMUX input from peripherals (DMA_REQUEST_xxx); RM0433 Table 110.
uint8_t txDMARequest;
uint8_t rxDMARequest;
DMA_Stream_TypeDef *txDMAStream;
DMA_Stream_TypeDef *rxDMAStream;
#elif defined(STM32F1) || defined(STM32F3)
DMA_Channel_TypeDef *txDMAChannel;
DMA_Channel_TypeDef *rxDMAChannel;
#endif
#endif // USE_DMA
uartPinDef_t rxPins[UARTHARDWARE_MAX_PINS];
uartPinDef_t txPins[UARTHARDWARE_MAX_PINS];
#if defined(STM32F7)
#if defined(STM32F7) || defined(STM32H7)
uint32_t rcc_ahb1;
rccPeriphTag_t rcc_apb2;
rccPeriphTag_t rcc_apb1;
#else
rccPeriphTag_t rcc;
#endif
#if !defined(STM32F7)
uint8_t af;
#endif
#if defined(STM32F7)
#if defined(STM32F7) || defined(STM32H7)
uint8_t txIrq;
uint8_t rxIrq;
#else
uint8_t irqn;
#endif
uint8_t txPriority;
uint8_t rxPriority;
#ifdef STM32H7
volatile uint8_t *txBuffer;
volatile uint8_t *rxBuffer;
uint16_t txBufferSize;
uint16_t rxBufferSize;
#endif
} uartHardware_t;
extern const uartHardware_t uartHardware[];
@ -163,8 +193,14 @@ typedef struct uartDevice_s {
const uartHardware_t *hardware;
uartPinDef_t rx;
uartPinDef_t tx;
#ifdef STM32H7
// For H7, buffers with possible DMA access is placed in D2 SRAM.
volatile uint8_t *rxBuffer;
volatile uint8_t *txBuffer;
#else
volatile uint8_t rxBuffer[UART_RX_BUFFER_SIZE];
volatile uint8_t txBuffer[UART_TX_BUFFER_SIZE];
#endif
} uartDevice_t;
extern uartDevice_t *uartDevmap[];