ldeyun/STM32H750XB_RT-THREAD
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STM32H750XB_RT-THREAD/USB—使用外部FLASH模拟U盘（W25Q256）/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 QSPI FLASH<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
******************************************************************
* @attention
*
* ʵ<EFBFBD><EFBFBD>ƽ̨:Ұ<EFBFBD><EFBFBD> STM32H743<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_debug_usart.h"
#include "./flash/bsp_qspi_flash.h"
#include "./delay/core_delay.h"
#include "usb_device.h"
//<2F><>ȡ<EFBFBD><C8A1>ID<49>洢λ<E6B4A2><CEBB>
__IO uint32_t DeviceID = 0;
__IO uint32_t FlashID = 0;
// <20><><EFBFBD><EFBFBD>ԭ<EFBFBD><D4AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
void Delay(__IO uint32_t nCount);
uint8_t state = QSPI_ERROR;
/**
* @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @param <EFBFBD><EFBFBD>
* @retval <EFBFBD><EFBFBD>
*/
int main(void)
{
/* ʹ<><CAB9>ָ<EFBFBD><EFBFBD><EEBBBA> */
SCB_EnableICache();
/* ʹ<><CAB9><EFBFBD><EFBFBD><EFBFBD>ݻ<EFBFBD><DDBB><EFBFBD> */
SCB_EnableDCache();
/* ϵͳʱ<CDB3>ӳ<EFBFBD>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>480MHz */
SystemClock_Config();
/* <20><><EFBFBD><EFBFBD>USB<53><42>GPIO<49><4F><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1> */
__HAL_RCC_GPIOH_CLK_ENABLE();
__HAL_RCC_GPIOB_CLK_ENABLE();
/* LED <20>˿ڳ<CBBF>ʼ<EFBFBD><CABC> */
LED_GPIO_Config();
LED_BLUE;
/* <20><><EFBFBD>ô<EFBFBD><C3B4><EFBFBD>1Ϊ<31><CEAA>115200 8-N-1 */
DEBUG_USART_Config();
printf("\r\n<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>32M<EFBFBD><EFBFBD><EFBFBD><EFBFBD>flash(W25Q256)<29><><EFBFBD><EFBFBD>ģʽ<C4A3><CABD>дģ<D0B4><C4A3>U<EFBFBD>̵<EFBFBD>ʵ<EFBFBD><CAB5>(QSPI<50><49><EFBFBD><EFBFBD>) \r\n");
/* 32M<32><4D><EFBFBD><EFBFBD>flash W25Q256<35><36>ʼ<EFBFBD><CABC> */
QSPI_FLASH_Init();
/* <20><>ȡ Flash Device ID */
DeviceID = QSPI_FLASH_ReadDeviceID();
Delay( 200 );
/* <20><>ȡ SPI Flash ID */
FlashID = QSPI_FLASH_ReadID();
QSPI_Set_WP_High();
// /*д״̬<D7B4>Ĵ<EFBFBD><C4B4><EFBFBD>*/
QSPI_FLASH_WriteStatusReg(1,0X00);
QSPI_FLASH_WriteStatusReg(2,0X00);
QSPI_FLASH_WriteStatusReg(3,0X61);
printf("\r\nFlashID is 0x%X, Manufacturer Device ID is 0x%X\r\n", FlashID, DeviceID);
printf("\r\nFlash Status Reg1 is 0x%02X,\r\n", QSPI_FLASH_ReadStatusReg(1));
printf("\r\nFlash Status Reg2 is 0x%02X,\r\n", QSPI_FLASH_ReadStatusReg(2));
printf("\r\nFlash Status Reg3 is 0x%02X,\r\n", QSPI_FLASH_ReadStatusReg(3));
QSPI_Set_WP_TO_QSPI_IO();
/* <20><><EFBFBD><EFBFBD> SPI Flash ID */
MX_USB_DEVICE_Init();
while(1);
}
void Delay(__IO uint32_t nCount)
{
for(; nCount != 0; nCount--);
}
/**
* @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};
RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {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)) {}
__HAL_RCC_PLL_PLLSOURCE_CONFIG(RCC_PLLSOURCE_HSE);
/** <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 = 4;
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);
}
/* <20><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD>ڡ<EFBFBD>USB<53><42><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1> */
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_USART1|RCC_PERIPHCLK_USB;
PeriphClkInitStruct.PLL3.PLL3M = 25;
PeriphClkInitStruct.PLL3.PLL3N = 384;
PeriphClkInitStruct.PLL3.PLL3P = 2;
PeriphClkInitStruct.PLL3.PLL3Q = 8;
PeriphClkInitStruct.PLL3.PLL3R = 2;
PeriphClkInitStruct.PLL3.PLL3RGE = RCC_PLL3VCIRANGE_0;
PeriphClkInitStruct.PLL3.PLL3VCOSEL = RCC_PLL3VCOWIDE;
PeriphClkInitStruct.PLL3.PLL3FRACN = 0;
PeriphClkInitStruct.Usart16ClockSelection = RCC_USART16CLKSOURCE_PLL3;
PeriphClkInitStruct.UsbClockSelection = RCC_USBCLKSOURCE_PLL3;
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
{
LED_RED;
}
/** Enable USB Voltage detector
*/
HAL_PWREx_EnableUSBVoltageDetector();
}
/****************************END OF FILE***************************/
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