移植了LCD屏幕，FLASH字库

字库还有偏移问题未解决 Signed-off-by: 无闻风 <53944749+wuwenfengmi1998@users.noreply.github.com>
2021-03-11 22:33:36 +08:00
parent ff4edffc46
commit 04b4a6fd02
133 changed files with 30379 additions and 1949 deletions
@@ -0,0 +1,30 @@
+/*
+ * falsh.c
+ *
+ *  Created on: Mar 11, 2021
+ *      Author: 13370
+ */
+
+#include "flash.h"
+
+//读取SPI FLASH
+//在指定地址开始读取指定长度的数据
+//pBuffer:数据存储区
+//ReadAddr:开始读取的地址(24bit)
+//NumByteToRead:要读取的字节数(最大65535)
+
+
+void W25QXX_Read(uint8_t* pBuffer,uint32_t ReadAddr,uint16_t NumByteToRead)
+{
+	unsigned char buff[4];
+	HAL_GPIO_WritePin(FLASH_E_GPIO_Port,FLASH_E_Pin,0);
+	buff[0]=W25X_ReadData;
+	buff[1]=(uint8_t)((ReadAddr)>>16);
+	buff[2]=(uint8_t)((ReadAddr)>>8);
+    buff[3]=(uint8_t)ReadAddr;
+	HAL_SPI_Transmit(&hspi2,buff,4,100);         	//发送读取命令
+
+	HAL_SPI_Receive(&hspi2,pBuffer,NumByteToRead,100);
+	HAL_GPIO_WritePin(FLASH_E_GPIO_Port,FLASH_E_Pin,1);
+
+}