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113 lines
2.8 KiB
113 lines
2.8 KiB
#include "api-uart.h"
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#include "stdio.h"
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#include "stdarg.h"
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#include "stdlib.h"
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// 默认串口数2
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Uart_t UartList[UART_NUMBER];
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void Uart_Init(uint8_t uartId, GpioPin_t Tx, GpioPin_t Rx, uint32_t baudRate, DataBits_t dataBits,
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StopBits_t stopBits, Parity_t parity)
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{
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uint32_t baud = 0;
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Fifo_Init(&UartList[uartId].RxFifo, UartList[uartId].RxBuff, RxSize);
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Gpio_Set(Tx);
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Gpio_Init(Tx, GPIO_ModeOut_PP_5mA);
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Gpio_Init(Rx, GPIO_ModeIN_PU);
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baud = 10 * GetSysClock() / 8 / baudRate;
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baud = (baud + 5) / 10;
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Uart(uartId)->DL = (uint16_t) baud;
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Uart(uartId)->FCR = (2 << 6) | RB_FCR_TX_FIFO_CLR | RB_FCR_RX_FIFO_CLR | RB_FCR_FIFO_EN;
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Uart(uartId)->LCR = dataBits | (stopBits << 2) | (parity == Parity_None ? 0 : (parity - 1) << 3);
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Uart(uartId)->IER = RB_IER_TXD_EN;
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Uart(uartId)->DIV = 1;
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Uart_INCfg(uartId, ENABLE, RB_IER_RECV_RDY | RB_IER_LINE_STAT);
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switch (uartId)
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{
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case 0:
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PFIC_EnableIRQ(UART0_IRQn);
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break;
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case 1:
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PFIC_EnableIRQ(UART1_IRQn);
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break;
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case 2:
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PFIC_EnableIRQ(UART2_IRQn);
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break;
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case 3:
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PFIC_EnableIRQ(UART3_IRQn);
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break;
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default:
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break;
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}
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}
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void Uart_INCfg(uint8_t uartId, FunctionalState s, uint8_t i)
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{
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if (s == ENABLE)
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{
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Uart(uartId)->IER |= i;
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Uart(uartId)->MCR |= RB_MCR_INT_OE;
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} else
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{
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Uart(uartId)->IER &= ~i;
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}
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}
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/**
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* @brief 自定义printf函数
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* 这个函数在CMakelists.txt中添加了printf全局宏定义，使用printf函数时会调用这个函数
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*/
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int myPrintf(const char *fmt, ...)
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{
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va_list arg;
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va_start(arg, fmt);
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int len = vsnprintf(NULL, 0, fmt, arg);
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uint8_t *data = (uint8_t *) malloc(len);
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vsprintf((char *) data, fmt, arg);
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UART1_SendString(data, len); // 修改为你的串口发送函数
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free(data);
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va_end(arg);
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data = NULL;
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return 0;
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}
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bool Api_GetUartData(uint8_t id, uint8_t *cmd)
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{
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if (!Fifo_IsEmpty(&UartList[id].RxFifo))
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{
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*cmd = Fifo_Pop(&UartList[id].RxFifo);
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return true;
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}
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return false;
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}
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__HIGH_CODE
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void UART1_IRQHandler(void)
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{
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uint8_t cmd = 0;
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if (UART1_GetITFlag() == UART_II_RECV_RDY)
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{
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if (R8_UART1_RFC)
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{
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if (!Fifo_IsFull(&UartList[1].RxFifo))
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{
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Fifo_Push(&UartList[1].RxFifo, R8_UART1_RBR);
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}
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}
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}
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if (UART1_GetITFlag() == UART_II_RECV_TOUT)
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{
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uint8_t RxData[RxSize] = {0};
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uint16_t len = UART1_RecvString(RxData);
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for (int j = 0; j < len; ++j)
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{
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if (!Fifo_IsFull(&UartList[1].RxFifo))
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{
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Fifo_Push(&UartList[1].RxFifo, RxData[j]);
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}
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}
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}
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}
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