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TianpeiLeeTianpeiLee
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V1.0.2
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‎README.md

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@@ -34,21 +34,21 @@ It will be a long-term support and maintenance project, unless we encounter forc
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### CH32V00x EVT Boards
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| Status | Boards name | Peripherals | Release |
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| :----: | ---- | ---- | :-----: |
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| :heavy_check_mark: | CH32V003F4P | ADC,DAC,USART,GPIO,EXTI,SysTick | 1.0.0 |
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| Status | Boards name | Peripherals | Release | Notes |
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| :----: | ---- | ---- | :-----: | :---- |
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| :heavy_check_mark: | CH32V003F4P | ADC,DAC,USART,GPIO,EXTI,SysTick | 1.0.0 | SPI,I2C since 1.0.2 |
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### CH32V20x EVT Boards
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| Status | Boards name | Peripherals | Release |
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| :----: | ---- | ---- | :-----: |
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| :heavy_check_mark: | CH32V203G8U | ADC,DAC,USART,GPIO,EXTI,SysTick | 1.0.0 |
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| Status | Boards name | Peripherals | Release | Notes |
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| :----: | ---- | ---- | :-----: | :---- |
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| :heavy_check_mark: | CH32V203G8U | ADC,DAC,USART,GPIO,EXTI,SysTick | 1.0.0 | SPI,I2C since 1.0.2 |
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### CH32X035 EVT Boards
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| Status | Boards name | Peripherals | Release |
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| :----: | ---- | ---- | :-----: |
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| :heavy_check_mark: | CH32X035G8U | ADC,DAC,USART,GPIO,EXTI,SysTick | 1.0.1 |
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| Status | Boards name | Peripherals | Release | Notes |
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| :----: | ---- | ---- | :-----: | :---- |
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| :heavy_check_mark: | CH32X035G8U | ADC,DAC,USART,GPIO,EXTI,SysTick | 1.0.1 | SPI,I2C since 1.0.2 |
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## Submit bugs
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‎cores/arduino/Print.cpp

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@@ -283,7 +283,6 @@ int Print::vprintf(const __FlashStringHelper *format, va_list ap)
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// Private Methods /////////////////////////////////////////////////////////////
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size_t Print::printNumber(unsigned long n, uint8_t base)
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{
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char buf[8 * sizeof(long) + 1]; // Assumes 8-bit chars plus zero byte.

‎libraries/SPI/examples/SPIFlash/SPIFlash.ino

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/*
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Winbond SPIFlash read and write
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This example read/write a W25QXX Flash by SPI port.
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Pins:
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CS: PA2 (003 is PC4)
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MOSI: PA7 (003 is PC6)
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MISO: PA6 (003 is PC7)
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SCK: PA5 (003 is PC5)
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created 30 Jurn 2023
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by TempersLee
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*/
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#include <SPI.h>
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// Winbond SPIFLASH ID
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#define W25Q80 0xEF13
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#define W25Q16 0xEF14
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#define W25Q32 0xEF15
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#define W25Q64 0xEF16
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#define W25Q128 0xEF17
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/* Winbond SPIFalsh Instruction List */
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#define W25X_WriteEnable 0x06
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#define W25X_WriteDisable 0x04
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#define W25X_ReadStatusReg 0x05
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#define W25X_WriteStatusReg 0x01
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#define W25X_ReadData 0x03
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#define W25X_FastReadData 0x0B
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#define W25X_FastReadDual 0x3B
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#define W25X_PageProgram 0x02
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#define W25X_BlockErase 0xD8
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#define W25X_SectorErase 0x20
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#define W25X_ChipErase 0xC7
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#define W25X_PowerDown 0xB9
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#define W25X_ReleasePowerDown 0xAB
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#define W25X_DeviceID 0xAB
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#define W25X_ManufactDeviceID 0x90
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#define W25X_JedecDeviceID 0x9F
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//define CS pin
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#define chipSelectPin A2
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uint16_t flashType;
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uint8_t readBuffer[256];
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uint8_t writeBuffer[256];
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void setup() {
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uint16_t i=0;
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Serial.begin(115200);
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// start the SPI library:
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SPI.begin();
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Serial.printf("%s Chip ID: 0x%08x\r\n", "Hello CH32duino!", DBGMCU_GetDEVID());
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// initialize the chip select pins:
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pinMode(chipSelectPin, OUTPUT);
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digitalWrite(chipSelectPin, HIGH);
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delay(100);
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flashType = readFlashID();
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switch (flashType)
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{
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case W25Q16:
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Serial.printf("W25Q16 is OK!\r\n");
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break;
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case W25Q32:
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Serial.printf("W25Q32 is OK!\r\n");
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break;
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case W25Q64:
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Serial.printf("W25Q64 is OK!\r\n");
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break;
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case W25Q80:
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Serial.printf("W25Q80 is OK!\r\n");
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break;
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case W25Q128:
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Serial.printf("W25Q128 is OK!\r\n");
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break;
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default:
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Serial.printf("Flash is not valid!\r\n");
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break;
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}
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//initial the writeBuffer
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for(i=0; i<256; i++)
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{
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writeBuffer[i] = i;
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}
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//erase sector 0
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Serial.printf("Erase Flash:\r\n");
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eraseSector(0);
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readFlashToBuff(readBuffer, 0, 256);
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for(i=0; i<256; i++)
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{
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if(i%16==0 && i!=0) Serial.printf("\r\n");
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Serial.printf("%02x ",readBuffer[i]);
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}
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Serial.printf("\r\n");
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Serial.printf("Write Flash:\r\n");
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writeFlashPage(writeBuffer, 0, 256);
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readFlashToBuff(readBuffer, 0, 256);
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for(i=0; i<256; i++)
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{
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if(i%16==0 && i!=0) Serial.printf("\r\n");
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Serial.printf("%02x ",readBuffer[i]);
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}
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Serial.printf("\r\n");
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}
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void loop() {
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}
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//Read Flash ID
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uint16_t readFlashID(void)
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{
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uint16_t id;
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digitalWrite(chipSelectPin, LOW);
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SPI.transfer(W25X_ManufactDeviceID);
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SPI.transfer(0x00);
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SPI.transfer(0x00);
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SPI.transfer(0x00);
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id |= SPI.transfer(0xFF) << 8;
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id |= SPI.transfer(0xFF);
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digitalWrite(chipSelectPin, HIGH);
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return id;
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}
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//Read Flash SR
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//bit7 6 5 4 3 2 1 0
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//SPR RV TB BP2 BP1 BP0 WEL BSY
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uint8_t readFlashSR(void)
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{
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uint8_t status;
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digitalWrite(chipSelectPin, LOW);
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SPI.transfer(W25X_ReadStatusReg);
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status = SPI.transfer(0xff);
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digitalWrite(chipSelectPin, HIGH);
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return status;
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}
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//Write Flash SR
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void writeFlashSR(uint8_t status)
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{
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digitalWrite(chipSelectPin, LOW);
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SPI.transfer(W25X_WriteStatusReg);
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SPI.transfer(status);
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digitalWrite(chipSelectPin, HIGH);
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}
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//Write Enable
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void writeEnable(void)
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{
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digitalWrite(chipSelectPin, LOW);
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SPI.transfer( W25X_WriteEnable );
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digitalWrite(chipSelectPin, HIGH);
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}
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//Write Disable
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void writeDisable(void)
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{
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digitalWrite(chipSelectPin, LOW);
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SPI.transfer( W25X_WriteDisable );
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digitalWrite(chipSelectPin, HIGH);
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}
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//Erase sector,,4K bytes per sector
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void eraseSector(uint32_t sectorNum)
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{
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sectorNum *= 4096;
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writeEnable();
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while( ( readFlashSR() & 0x01 ) == 0x01 ); //waite for busy
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digitalWrite(chipSelectPin, LOW);
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SPI.transfer(W25X_SectorErase);
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SPI.transfer((uint8_t)(sectorNum >> 16));
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SPI.transfer((uint8_t)(sectorNum >> 8));
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SPI.transfer((uint8_t)(sectorNum));
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digitalWrite(chipSelectPin, HIGH);
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while( ( readFlashSR() & 0x01 ) == 0x01 ); //waite for busy
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}
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//read flash data to pBuf
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void readFlashToBuff(uint8_t *pBuf, uint32_t readAddr, uint16_t size)
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{
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uint16_t i;
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digitalWrite(chipSelectPin, LOW);
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SPI.transfer(W25X_ReadData);
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SPI.transfer((uint8_t)(readAddr >> 16));
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SPI.transfer((uint8_t)(readAddr >> 8));
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SPI.transfer((uint8_t)(readAddr));
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for(i=0; i<size; i++)
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{
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pBuf[i] = SPI.transfer(0xff);
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}
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digitalWrite(chipSelectPin, HIGH);
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}
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//write data to flash
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void writeFlashPage(uint8_t *pBuf, uint32_t writeAddr, uint16_t size)
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{
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uint16_t i;
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writeEnable();
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while( ( readFlashSR() & 0x01 ) == 0x01 ); //waite for busy
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digitalWrite(chipSelectPin, LOW);
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SPI.transfer(W25X_PageProgram);
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SPI.transfer((uint8_t)(writeAddr >> 16));
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SPI.transfer((uint8_t)(writeAddr >> 8));
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SPI.transfer((uint8_t)(writeAddr));
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for(i=0; i<size; i++)
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{
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SPI.transfer(pBuf[i]);
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}
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digitalWrite(chipSelectPin, HIGH);
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while( ( readFlashSR() & 0x01 ) == 0x01 ); //waite for busy
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}

‎libraries/SPI/keywords.txt

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#######################################
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# Syntax Coloring Map SPI
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#######################################
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#######################################
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# Datatypes (KEYWORD1)
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#######################################
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SPI KEYWORD1
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#######################################
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# Methods and Functions (KEYWORD2)
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#######################################
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begin KEYWORD2
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end KEYWORD2
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transfer KEYWORD2
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#setBitOrder KEYWORD2
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setDataMode KEYWORD2
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setClockDivider KEYWORD2
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setMISO KEYWORD2
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setMOSI KEYWORD2
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setSCLK KEYWORD2
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setSSEL KEYWORD2
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#######################################
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# Constants (LITERAL1)
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#######################################
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SPI_MODE0 LITERAL1
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SPI_MODE1 LITERAL1
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SPI_MODE2 LITERAL1
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SPI_MODE3 LITERAL1
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SPI_CONTINUE LITERAL1
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SPI_LAST LITERAL1

‎libraries/SPI/library.properties

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name=SPI
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version=1.0.0
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author=Modified by Temperslee
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maintainer=CH32duino
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sentence=Enables the communication with devices that use the Serial Peripheral Interface (SPI) Bus.
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paragraph=This library is based on the official Arduino SPI library and adapted to CH32 boards.
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category=Communication
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url=http://www.arduino.cc/en/Reference/SPI
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architectures=ch32v

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