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rewritten drv_uart to suck slightly less

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tested w/o GPS

git-svn-id: https://afrodevices.googlecode.com/svn/trunk/baseflight@382 7c89a4a9-59b9-e629-4cfe-3a2d53b20e61
This commit is contained in:
timecop@gmail.com 2013-08-22 07:48:07 +00:00
parent 1ff0036dec
commit cbb580f753
10 changed files with 403 additions and 321 deletions
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61
src/drv_uart.h
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@ -1,17 +1,50 @@
#pragma once
// USART1
void uartInit(uint32_t speed);
bool isUartAvailable(void);
bool isUartTransmitEmpty(void);
bool isUartTransmitDMAEmpty(void);
uint8_t uartRead(void);
uint8_t uartReadPoll(void);
void uartWrite(uint8_t ch);
void uartPrint(char *str);
#define UART_BUFFER_SIZE 64
// USART2 (GPS, Spektrum)
void uart2Init(uint32_t speed, uartReceiveCallbackPtr func, bool rxOnly);
void uart2ChangeBaud(uint32_t speed);
bool isUart2TransmitEmpty(void);
void uart2Write(uint8_t ch);
#define UART1_RX_BUFFER_SIZE 256
#define UART1_TX_BUFFER_SIZE 256
#define UART2_RX_BUFFER_SIZE 128
#define UART2_TX_BUFFER_SIZE 64
#define MAX_SERIAL_PORTS 2
// This is a bitmask
typedef enum portmode_t {
MODE_RX = 1,
MODE_TX = 2,
MODE_RXTX = 3
} portmode_t;
typedef struct {
uint32_t baudRate;
uint32_t rxBufferSize;
uint32_t txBufferSize;
volatile uint8_t *rxBuffer;
volatile uint8_t *txBuffer;
uint32_t rxDMAPos;
uint32_t rxBufferHead;
uint32_t rxBufferTail;
uint32_t txBufferHead;
uint32_t txBufferTail;
DMA_Channel_TypeDef *rxDMAChannel;
DMA_Channel_TypeDef *txDMAChannel;
uint32_t rxDMAIrq;
uint32_t txDMAIrq;
bool txDMAEmpty;
USART_TypeDef *USARTx;
uartReceiveCallbackPtr callback;
portmode_t mode;
} serialPort_t;
extern serialPort_t serialPort1;
extern serialPort_t serialPort2;
serialPort_t *uartOpen(USART_TypeDef *USARTx, uartReceiveCallbackPtr callback, uint32_t baudRate, portmode_t mode);
void uartChangeBaud(serialPort_t *s, uint32_t baudRate);
bool isUartAvailable(serialPort_t *s);
bool isUartTransmitEmpty(serialPort_t *s);
uint8_t uartRead(serialPort_t *s);
void uartWrite(serialPort_t *s, uint8_t ch);
void uartPrint(serialPort_t *s, const char *str);