75 lines
1.6 KiB
C
75 lines
1.6 KiB
C
/**
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* @file main.c
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* @author Myth
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* @version 0.2
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* @date 2021.10.12
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* @brief 工程主函数文件
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* @details 初始化及主循环
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* @note 此版本实现功能：
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* 串口回显，回显时 PC13 上的 LED 闪烁
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* 软件 SPI
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*/
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#include "sys.h"
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#include "systick.h"
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#include "uart.h"
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#include "softspi.h"
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#include "led.h"
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void Echo(uint8_t byte);
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int main(void)
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{
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if (HAL_Init() != HAL_OK) //初始化 HAL 库
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{
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Error_Handler(__FILE__, __LINE__); //错误处理
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}
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SystemClock_Config(); //初始化系统时钟为 72MHz
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SysTick_Init(); //初始化 SysTick 和软件定时器
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UART_Init(); //初始化串口
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LED_Init(); //初始化 LED
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UART_BindReceiveHandle(COM1, Echo); //绑定 COM1 串口接收中断至 Echo 函数
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SoftSPI_TypeDef SoftSPI;
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SoftSPI.SCLK_GPIO = GPIOB;
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SoftSPI.SCLK_Pin = GPIO_PIN_10;
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SoftSPI.MOSI_GPIO = GPIOA;
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SoftSPI.MOSI_Pin = GPIO_PIN_5;
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SoftSPI.MISO_GPIO = GPIOA;
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SoftSPI.MISO_Pin = GPIO_PIN_4;
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SoftSPI.SS_GPIO = GPIOA;
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SoftSPI.SS_Pin = GPIO_PIN_6;
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SoftSPI.Delay_Time = 10;
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if (SoftSPI_Init(&SoftSPI) != HAL_OK) //初始化软件 SPI
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{
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Error_Handler(__FILE__, __LINE__); //错误处理
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}
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uint8_t write[10] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
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uint8_t read[10];
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while (1)
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{
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//程序主循环
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SoftSPI_WriteReadBuff(&SoftSPI, write, read, 10);
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Delay_us(100);
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}
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return 1;
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}
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/**
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* @brief 串口回显函数
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* @param byte: 本次中断接收到的字节
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*/
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void Echo(uint8_t byte)
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{
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LED1_Slow_Toggle;
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UART_SendChar(COM1, byte);
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}
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