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STM32H750XB_RT-THREAD/20-USART一串口通信/USART—USART2指令控制RGB彩灯/User/main.c

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STM32H750 RTThread 例程
2025-07-21 06:34:29 +00:00
/**
******************************************************************
* @file main.c
* @author fire
* @version V1.0
* @date 2018-xx-xx
* @brief USART<EFBFBD><EFBFBD>USART2<EFBFBD>ӷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
******************************************************************
* @attention
*
* ʵ<EFBFBD><EFBFBD>ƽ̨:Ұ<EFBFBD><EFBFBD> STM32H750<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD>̳ :http://www.firebbs.cn
* <EFBFBD>Ա<EFBFBD> :http://firestm32.taobao.com
*
******************************************************************
*/
#include "stm32h7xx.h"
#include "main.h"
#include "./led/bsp_led.h"
#include "./usart/bsp_usart.h"
#include "./delay/core_delay.h"
static void Show_Message(void);
/**
* @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @param <EFBFBD><EFBFBD>
* @retval <EFBFBD><EFBFBD>
*/
int main(void)
{
char ch;
/* ϵͳʱ<CDB3>ӳ<EFBFBD>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>480MHz */
SystemClock_Config();
/* Ĭ<>ϲ<EFBFBD><CFB2><EFBFBD><EFBFBD><EFBFBD> MPU<50><55><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܣ<EFBFBD><DCA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> MPU <20><><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9>
DMA ʱ<EFBFBD><EFBFBD>ע<EFBFBD><EFBFBD> Cache <EFBFBD><EFBFBD> <EFBFBD>ڴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>Ե<EFBFBD><EFBFBD><EFBFBD><EFBFBD>⣬
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ע<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ο<EFBFBD><EFBFBD><EFBFBD><EFBFBD>׽̵̳<EFBFBD> MPU <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>½<EFBFBD> */
// Board_MPU_Config(0, MPU_Normal_WT, 0xD0000000, MPU_32MB);
// Board_MPU_Config(1, MPU_Normal_WT, 0x24000000, MPU_512KB);
SCB_EnableICache(); // ʹ<><CAB9>ָ<EFBFBD><D6B8> Cache
// SCB_EnableDCache(); // ʹ<><CAB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD> Cache
LED_GPIO_Config();
/* <20><><EFBFBD>ô<EFBFBD><C3B4><EFBFBD>2Ϊ<32><CEAA>115200 8-N-1 */
UARTx_Config();
/*<2A><><EFBFBD><EFBFBD>printf<74><66><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD>ض<EFBFBD><D8B6><EFBFBD><EFBFBD><EFBFBD>fputc<74><63>printf<74><66><EFBFBD><EFBFBD><EFBFBD>ݻ<EFBFBD><DDBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>*/
printf("\r\nPrintf<EFBFBD><EFBFBD>ʽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>жϽ<EFBFBD><EFBFBD>ջ<EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD><EFBFBD> \r\n");
/* <20><>ӡָ<D3A1><D6B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><CABE>Ϣ */
Show_Message();
while(1)
{
/* <20><>ȡ<EFBFBD>ַ<EFBFBD>ָ<EFBFBD><D6B8> */
ch=getchar();
printf("<EFBFBD><EFBFBD><EFBFBD>յ<EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>%c\n",ch);
/* <20><><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD>RGB<47>ʵ<EFBFBD><CAB5><EFBFBD>ɫ */
switch(ch)
{
case '1':
LED_RED;
break;
case '2':
LED_GREEN;
break;
case '3':
LED_BLUE;
break;
case '4':
LED_YELLOW;
break;
case '5':
LED_PURPLE;
break;
case '6':
LED_CYAN;
break;
case '7':
LED_WHITE;
break;
case '8':
LED_RGBOFF;
break;
default:
/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8>ָ<EFBFBD><D6B8><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD>ӡ<EFBFBD><D3A1>ʾ<EFBFBD><CABE>Ϣ */
Show_Message();
break;
}
}
}
/**
* @brief <EFBFBD><EFBFBD>ӡָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD>Ϣ
* @param <EFBFBD><EFBFBD>
* @retval <EFBFBD><EFBFBD>
*/
static void Show_Message(void)
{
printf("\r\n <20><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>ͨ<EFBFBD><CDA8><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><CDA8>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD>RGB<47>ʵ<EFBFBD>ʵ<EFBFBD><CAB5> \n");
printf("ʹ<EFBFBD><EFBFBD> USART2 <20><><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA>%d 8-N-1 \n",UARTx_BAUDRATE);
printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>RGB<EFBFBD>ʵ<EFBFBD><EFBFBD><EFBFBD>ɫ<EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD>£<EFBFBD>\n");
printf(" ָ<><D6B8> ------ <20>ʵ<EFBFBD><CAB5><EFBFBD>ɫ \n");
printf(" 1 ------ <20><> \n");
printf(" 2 ------ <20><> \n");
printf(" 3 ------ <20><> \n");
printf(" 4 ------ <20><> \n");
printf(" 5 ------ <20><> \n");
printf(" 6 ------ <20><> \n");
printf(" 7 ------ <20><> \n");
printf(" 8 ------ <20><> \n");
}
/**
* @brief System Clock <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* system Clock <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:
* System Clock source = PLL (HSE)
* SYSCLK(Hz) = 480000000 (CPU Clock)
* HCLK(Hz) = 240000000 (AXI and AHBs Clock)
* AHB Prescaler = 2
* D1 APB3 Prescaler = 2 (APB3 Clock 120MHz)
* D2 APB1 Prescaler = 2 (APB1 Clock 120MHz)
* D2 APB2 Prescaler = 2 (APB2 Clock 120MHz)
* D3 APB4 Prescaler = 2 (APB4 Clock 120MHz)
* HSE Frequency(Hz) = 25000000
* PLL_M = 5
* PLL_N = 192
* PLL_P = 2
* PLL_Q = 4
* PLL_R = 2
* VDD(V) = 3.3
* Flash Latency(WS) = 4
* @param None
* @retval None
*/
/**
* @brief System Clock Configuration
* @retval None
*/
void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
/** <20><><EFBFBD>õ<EFBFBD>Դ<EFBFBD><D4B4><EFBFBD>ø<EFBFBD><C3B8><EFBFBD>
*/
HAL_PWREx_ConfigSupply(PWR_LDO_SUPPLY);
/** <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѹ<EFBFBD><D1B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѹ
*/
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE0);
while(!__HAL_PWR_GET_FLAG(PWR_FLAG_VOSRDY)) {}
/** <20><>ʼ<EFBFBD><CABC>CPU<50><55>AHB<48><42>APB<50><42><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>
*/
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
RCC_OscInitStruct.PLL.PLLM = 5;
RCC_OscInitStruct.PLL.PLLN = 192;
RCC_OscInitStruct.PLL.PLLP = 2;
RCC_OscInitStruct.PLL.PLLQ = 2;
RCC_OscInitStruct.PLL.PLLR = 2;
RCC_OscInitStruct.PLL.PLLRGE = RCC_PLL1VCIRANGE_2;
RCC_OscInitStruct.PLL.PLLVCOSEL = RCC_PLL1VCOWIDE;
RCC_OscInitStruct.PLL.PLLFRACN = 0;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
while(1);
}
/** <20><>ʼ<EFBFBD><CABC>CPU<50><55>AHB<48><42>APB<50><42><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>
*/
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2
|RCC_CLOCKTYPE_D3PCLK1|RCC_CLOCKTYPE_D1PCLK1;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
RCC_ClkInitStruct.SYSCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.AHBCLKDivider = RCC_HCLK_DIV2;
RCC_ClkInitStruct.APB3CLKDivider = RCC_APB3_DIV2;
RCC_ClkInitStruct.APB1CLKDivider = RCC_APB1_DIV2;
RCC_ClkInitStruct.APB2CLKDivider = RCC_APB2_DIV2;
RCC_ClkInitStruct.APB4CLKDivider = RCC_APB4_DIV2;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK)
{
while(1);
}
}
/****************************END OF FILE***************************/
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