.vscode/arduino.json

@@ -2,6 +2,5 @@
     "configuration": "PSRAM=disabled,FlashMode=qio,FlashSize=4M,LoopCore=1,EventsCore=1,USBMode=hwcdc,CDCOnBoot=default,MSCOnBoot=default,DFUOnBoot=default,UploadMode=default,PartitionScheme=min_spiffs,CPUFreq=240,UploadSpeed=921600,DebugLevel=none",
     "board": "esp32:esp32:esp32s3",
     "sketch": "spi_test.ino",
-    "port": "COM10",
-    "programmer": "esp32:esptool"
+    "port": "COM10"
 }

spi_test.ino

@@ -7,6 +7,10 @@ void setup() {
   Serial.setRxBufferSize(256);
   Serial.onReceive(SerialRe,true);
   W25QXX_Init();
+  W25QXX_Write((uint8_t*)"my name is lei kkk",1000,strlen("my name is lei yun"));
+  W25QXX_Read(table,1001,strlen("my name is lei yun"));
+  // Serial.printf("%04X\n",W25QXX_TYPE);
+  Serial.printf("%s\n",table);
   delay(3000);
 }
 

src/W25QXXArduino/w25qxx.cpp

@@ -45,10 +45,10 @@ void SPI1S_Init(void){
 #ifdef FLASH_TEST_ENABLE
     /* readwrite test */
     int g = 0;
-    uint8_t str[512];
+    uint8_t str[1280];
     memset(str, 0, sizeof(str));
     unsigned int  j = 0;       
-    for(int k=0; k < 2; k++)
+    for(int k=0; k < 5; k++)
     {
       for(int i = 0; i < 256; i++)
       {
@@ -60,10 +60,7 @@ void SPI1S_Init(void){
     Serial.println("-----write data-------");
     W25QXX_CS0;
     W25QXX_Erase_Sector(0x00);
-    for (uint8_t i = 0; i < 2; i++)
-    {
-        W25QXX_Write(&str[256*i],256*i,256);
-    }
+    W25QXX_Write(str,0x10,256);
     memset(str, 0, sizeof(str));
     W25QXX_Read(str,0x00,512);
     W25QXX_CS1;
@@ -72,9 +69,13 @@ void SPI1S_Init(void){
       if(g == 16){
             Serial.println("|");
             if(k % 256 == 0) Serial.println("---------------");
-            g = 1;
+            {
+              g = 1;
+            }
+        }   
+        else {
+          g++;
         }
-        else  g++;
         Serial.printf("%02X ", str[k]);
     }
 #endif
@@ -93,16 +94,15 @@ uint8_t SPI1_ReadWriteByte(uint8_t TxData)
     return Rxdata;
 #endif
 #ifdef SOFTWARE_SPI
-    for(uint8_t i = 0; i < 8; i++) {
-      uint8_t status;
-      status = TxData & (0x80 >> i);
-      digitalWrite(NORFLASH_MOSI_PIN, status);
-      digitalWrite(NORFLASH_CLK_PIN, LOW);
-      digitalWrite(NORFLASH_CLK_PIN, HIGH);
-
-    if(digitalRead(NORFLASH_MISO_PIN)) {
-        Rxdata |= 0x80 >> i;
-    }
+    uint8_t i = 0, Rxdata = 0;
+    for(i = 0; i < 8; i++)
+    {
+        digitalWrite(NORFLASH_CLK_PIN, HIGH);
+        digitalWrite(NORFLASH_CLK_PIN, LOW);
+        if(digitalRead(NORFLASH_MISO_PIN)) 
+        {
+            Rxdata |= 0x80 >> i;
+        }
     }
     return Rxdata;
 #endif

src/W25QXXArduino/w25qxx.h

@@ -49,12 +49,12 @@ extern uint16_t W25QXX_TYPE;					//
 //////////////////////////////////////////////////////////////////////////
 //SPI相关设定
 #define SPI_FREQUENCY 30*1000000  //SPI时钟频率，硬件SPI使用
-// #define HARDWARE_SPI              //使用硬件SPI
-#define SOFTWARE_SPI           //使用软件SPI
-#define FLASH_TEST_ENABLE      //使能测试
+#define HARDWARE_SPI              //使用硬件SPI
+// #define SOFTWARE_SPI           //使用软件SPI
+// #define FLASH_TEST_ENABLE      //使能测试
 //////////////////////////////////////////////////////////////////////////
 
-//////////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////// 
 //指令表
 #define W25X_WriteEnable		0x06 
 #define W25X_WriteDisable		0x04