188 lines
5.6 KiB
C
188 lines
5.6 KiB
C
/**
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******************************************************************
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* @file main.c
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* @author fire
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* @version V1.0
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* @date 2018-xx-xx
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* @brief QSPI FLASH基本读写例程
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******************************************************************
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* @attention
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*
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* 实验平台:野火 STM32H743开发板
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* 论坛 :http://www.firebbs.cn
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* 淘宝 :http://firestm32.taobao.com
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*
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******************************************************************
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*/
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#include "stm32h7xx.h"
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#include "main.h"
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#include "./led/bsp_led.h"
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#include "./usart/bsp_debug_usart.h"
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#include "./flash/bsp_qspi_flash.h"
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#include "./delay/core_delay.h"
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#include "usb_device.h"
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//读取的ID存储位置
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__IO uint32_t DeviceID = 0;
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__IO uint32_t FlashID = 0;
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// 函数原型声明
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void Delay(__IO uint32_t nCount);
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uint8_t state = QSPI_ERROR;
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/**
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* @brief 主函数
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* @param 无
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* @retval 无
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*/
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int main(void)
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{
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/* 使能指令缓存 */
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SCB_EnableICache();
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/* 使能数据缓存 */
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SCB_EnableDCache();
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/* 系统时钟初始化成480MHz */
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SystemClock_Config();
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/* 开启USB的GPIO引脚时钟 */
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__HAL_RCC_GPIOH_CLK_ENABLE();
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__HAL_RCC_GPIOB_CLK_ENABLE();
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/* LED 端口初始化 */
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LED_GPIO_Config();
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LED_BLUE;
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/* 配置串口1为：115200 8-N-1 */
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DEBUG_USART_Config();
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printf("\r\n这是一个32M串行flash(W25Q256)间接模式读写模拟U盘的实验(QSPI驱动) \r\n");
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/* 32M串行flash W25Q256初始化 */
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QSPI_FLASH_Init();
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/* 获取 Flash Device ID */
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DeviceID = QSPI_FLASH_ReadDeviceID();
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Delay( 200 );
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/* 获取 SPI Flash ID */
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FlashID = QSPI_FLASH_ReadID();
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QSPI_Set_WP_High();
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// /*写状态寄存器*/
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QSPI_FLASH_WriteStatusReg(1,0X00);
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QSPI_FLASH_WriteStatusReg(2,0X00);
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QSPI_FLASH_WriteStatusReg(3,0X61);
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printf("\r\nFlashID is 0x%X, Manufacturer Device ID is 0x%X\r\n", FlashID, DeviceID);
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printf("\r\nFlash Status Reg1 is 0x%02X,\r\n", QSPI_FLASH_ReadStatusReg(1));
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printf("\r\nFlash Status Reg2 is 0x%02X,\r\n", QSPI_FLASH_ReadStatusReg(2));
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printf("\r\nFlash Status Reg3 is 0x%02X,\r\n", QSPI_FLASH_ReadStatusReg(3));
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QSPI_Set_WP_TO_QSPI_IO();
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/* 检验 SPI Flash ID */
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MX_USB_DEVICE_Init();
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while(1);
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}
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void Delay(__IO uint32_t nCount)
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{
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for(; nCount != 0; nCount--);
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}
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/**
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* @brief System Clock 配置
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* system Clock 配置如下:
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* System Clock source = PLL (HSE)
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* SYSCLK(Hz) = 480000000 (CPU Clock)
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* HCLK(Hz) = 240000000 (AXI and AHBs Clock)
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* AHB Prescaler = 2
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* D1 APB3 Prescaler = 2 (APB3 Clock 120MHz)
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* D2 APB1 Prescaler = 2 (APB1 Clock 120MHz)
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* D2 APB2 Prescaler = 2 (APB2 Clock 120MHz)
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* D3 APB4 Prescaler = 2 (APB4 Clock 120MHz)
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* HSE Frequency(Hz) = 25000000
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* PLL_M = 5
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* PLL_N = 192
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* PLL_P = 2
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* PLL_Q = 4
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* PLL_R = 2
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* VDD(V) = 3.3
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* Flash Latency(WS) = 4
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* @param None
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* @retval None
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*/
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/**
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* @brief System Clock Configuration
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* @retval None
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*/
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void SystemClock_Config(void)
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{
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RCC_OscInitTypeDef RCC_OscInitStruct = {0};
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RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
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RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};
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/** 启用电源配置更新
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*/
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HAL_PWREx_ConfigSupply(PWR_LDO_SUPPLY);
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/** 配置主内稳压器输出电压
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*/
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__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE0);
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while(!__HAL_PWR_GET_FLAG(PWR_FLAG_VOSRDY)) {}
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__HAL_RCC_PLL_PLLSOURCE_CONFIG(RCC_PLLSOURCE_HSE);
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/** 初始化CPU、AHB和APB总线时钟
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*/
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RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
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RCC_OscInitStruct.HSEState = RCC_HSE_ON;
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RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
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RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
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RCC_OscInitStruct.PLL.PLLM = 5;
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RCC_OscInitStruct.PLL.PLLN = 192;
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RCC_OscInitStruct.PLL.PLLP = 2;
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RCC_OscInitStruct.PLL.PLLQ = 4;
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RCC_OscInitStruct.PLL.PLLR = 2;
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RCC_OscInitStruct.PLL.PLLRGE = RCC_PLL1VCIRANGE_2;
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RCC_OscInitStruct.PLL.PLLVCOSEL = RCC_PLL1VCOWIDE;
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RCC_OscInitStruct.PLL.PLLFRACN = 0;
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if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
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{
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while(1);
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}
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/** 初始化CPU、AHB和APB总线时钟
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*/
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RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
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|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2
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|RCC_CLOCKTYPE_D3PCLK1|RCC_CLOCKTYPE_D1PCLK1;
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RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
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RCC_ClkInitStruct.SYSCLKDivider = RCC_SYSCLK_DIV1;
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RCC_ClkInitStruct.AHBCLKDivider = RCC_HCLK_DIV2;
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RCC_ClkInitStruct.APB3CLKDivider = RCC_APB3_DIV2;
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RCC_ClkInitStruct.APB1CLKDivider = RCC_APB1_DIV2;
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RCC_ClkInitStruct.APB2CLKDivider = RCC_APB2_DIV2;
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RCC_ClkInitStruct.APB4CLKDivider = RCC_APB4_DIV2;
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if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK)
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{
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while(1);
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}
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/* 初始化串口、USB外设时钟 */
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PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_USART1|RCC_PERIPHCLK_USB;
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PeriphClkInitStruct.PLL3.PLL3M = 25;
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PeriphClkInitStruct.PLL3.PLL3N = 384;
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PeriphClkInitStruct.PLL3.PLL3P = 2;
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PeriphClkInitStruct.PLL3.PLL3Q = 8;
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PeriphClkInitStruct.PLL3.PLL3R = 2;
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PeriphClkInitStruct.PLL3.PLL3RGE = RCC_PLL3VCIRANGE_0;
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PeriphClkInitStruct.PLL3.PLL3VCOSEL = RCC_PLL3VCOWIDE;
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PeriphClkInitStruct.PLL3.PLL3FRACN = 0;
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PeriphClkInitStruct.Usart16ClockSelection = RCC_USART16CLKSOURCE_PLL3;
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PeriphClkInitStruct.UsbClockSelection = RCC_USBCLKSOURCE_PLL3;
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if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
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{
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LED_RED;
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}
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/** Enable USB Voltage detector
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*/
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HAL_PWREx_EnableUSBVoltageDetector();
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}
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/****************************END OF FILE***************************/
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