45 lines
859 B
C
45 lines
859 B
C
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#ifndef _UART_H
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#define _UART_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "FreeRTOS.h"
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#include "semphr.h"
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#include "circ_buf.h"
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typedef enum {
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UART_ID0 = 0,
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UART_ID1,
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UART_ID2,
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UART_ID3,
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UART_NUM,
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} eUartID;
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typedef struct {
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uint32_t id;
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uint32_t regbase;
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int fifosize;
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struct circ_buf rxbuf;
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struct circ_buf txbuf;
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SemaphoreHandle_t xMutex;
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SemaphoreHandle_t xRev;
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SemaphoreHandle_t xSend;
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}UartPort_t;
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extern void vDebugConsoleInitialise(void);
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extern UartPort_t *xUartOpen(uint32_t id);
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extern void vUartInit(UartPort_t *uap, uint32_t baud, uint32_t flags);
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extern void vUartClose(UartPort_t *uap);
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extern int iUartWrite(UartPort_t *uap, uint8_t *buf, size_t len, TickType_t xBlockTime);
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int iUartRead(UartPort_t *uap, uint8_t *buf, size_t len, TickType_t xBlockTime);
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int uart_rx_demo(void);
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#ifdef __cplusplus
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}
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#endif
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#endif
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