C++ (Cpp) SPI_SET_SS0_HIGH Beispiele

Beispiel #1

Datei: main.c Projekt: wjw890912/Power-measurement

void SpiFlash_ChipErase(void)
{
    // /CS: active
    SPI_SET_SS0_LOW(SPI_FLASH_PORT);

    // send Command: 0x06, Write enable
    SPI_WRITE_TX(SPI_FLASH_PORT, 0x06);

    // wait tx finish
    while(SPI_IS_BUSY(SPI_FLASH_PORT));

    // /CS: de-active
    SPI_SET_SS0_HIGH(SPI_FLASH_PORT);

    //////////////////////////////////////////

    // /CS: active
    SPI_SET_SS0_LOW(SPI_FLASH_PORT);

    // send Command: 0xC7, Chip Erase
    SPI_WRITE_TX(SPI_FLASH_PORT, 0xC7);

    // wait tx finish
    while(SPI_IS_BUSY(SPI_FLASH_PORT));

    // /CS: de-active
    SPI_SET_SS0_HIGH(SPI_FLASH_PORT);

    SPI_ClearRxFIFO(SPI0);
}

Beispiel #2

Datei: main.c Projekt: wjw890912/Power-measurement

void SpiFlash_WriteStatusReg(uint8_t u8Value)
{
    // /CS: active
    SPI_SET_SS0_LOW(SPI_FLASH_PORT);

    // send Command: 0x06, Write enable
    SPI_WRITE_TX(SPI_FLASH_PORT, 0x06);

    // wait tx finish
    while(SPI_IS_BUSY(SPI_FLASH_PORT));

    // /CS: de-active
    SPI_SET_SS0_HIGH(SPI_FLASH_PORT);

    ///////////////////////////////////////

    // /CS: active
    SPI_SET_SS0_LOW(SPI_FLASH_PORT);

    // send Command: 0x01, Write status register
    SPI_WRITE_TX(SPI_FLASH_PORT, 0x01);

    // write status
    SPI_WRITE_TX(SPI_FLASH_PORT, u8Value);

    // wait tx finish
    while(SPI_IS_BUSY(SPI_FLASH_PORT));

    // /CS: de-active
    SPI_SET_SS0_HIGH(SPI_FLASH_PORT);
}

Beispiel #3

Datei: main.c Projekt: wjw890912/Power-measurement

uint16_t SpiFlash_ReadMidDid(void)
{
    uint8_t u8RxData[6], u8IDCnt = 0;

    // /CS: active
    SPI_SET_SS0_LOW(SPI_FLASH_PORT);

    // send Command: 0x90, Read Manufacturer/Device ID
    SPI_WRITE_TX(SPI_FLASH_PORT, 0x90);

    // send 24-bit '0', dummy
    SPI_WRITE_TX(SPI_FLASH_PORT, 0x00);
    SPI_WRITE_TX(SPI_FLASH_PORT, 0x00);
    SPI_WRITE_TX(SPI_FLASH_PORT, 0x00);

    // receive 16-bit
    SPI_WRITE_TX(SPI_FLASH_PORT, 0x00);
    SPI_WRITE_TX(SPI_FLASH_PORT, 0x00);

    // wait tx finish
    while(SPI_IS_BUSY(SPI_FLASH_PORT));

    // /CS: de-active
    SPI_SET_SS0_HIGH(SPI_FLASH_PORT);

    while(!SPI_GET_RX_FIFO_EMPTY_FLAG(SPI_FLASH_PORT))
        u8RxData[u8IDCnt ++] = SPI_READ_RX(SPI_FLASH_PORT);

    return ( (u8RxData[4]<<8) | u8RxData[5] );
}

Beispiel #4

Datei: main.c Projekt: wjw890912/Power-measurement

void SpiFlash_NormalPageProgram(uint32_t StartAddress, uint8_t *u8DataBuffer)
{
    uint32_t i = 0;

    // /CS: active
    SPI_SET_SS0_LOW(SPI_FLASH_PORT);

    // send Command: 0x06, Write enable
    SPI_WRITE_TX(SPI_FLASH_PORT, 0x06);

    // wait tx finish
    while(SPI_IS_BUSY(SPI_FLASH_PORT));

    // /CS: de-active
    SPI_SET_SS0_HIGH(SPI_FLASH_PORT);


    // /CS: active
    SPI_SET_SS0_LOW(SPI_FLASH_PORT);

    // send Command: 0x02, Page program
    SPI_WRITE_TX(SPI_FLASH_PORT, 0x02);

    // send 24-bit start address
    SPI_WRITE_TX(SPI_FLASH_PORT, (StartAddress>>16) & 0xFF);
    SPI_WRITE_TX(SPI_FLASH_PORT, (StartAddress>>8)  & 0xFF);
    SPI_WRITE_TX(SPI_FLASH_PORT, StartAddress       & 0xFF);

    // write data
    while(1) {
        if(!SPI_GET_TX_FIFO_FULL_FLAG(SPI_FLASH_PORT)) {
            SPI_WRITE_TX(SPI_FLASH_PORT, u8DataBuffer[i++]);
            if(i >= 255) break;
        }
    }

    // wait tx finish
    while(SPI_IS_BUSY(SPI_FLASH_PORT));

    // /CS: de-active
    SPI_SET_SS0_HIGH(SPI_FLASH_PORT);

    SPI_ClearRxFIFO(SPI_FLASH_PORT);
}

Beispiel #5

Datei: main.c Projekt: wjw890912/Power-measurement

void SpiFlash_DualFastRead(uint32_t StartAddress, uint8_t *u8DataBuffer)
{
    uint32_t i;

    // /CS: active
    SPI_SET_SS0_LOW(SPI_FLASH_PORT);

    // Command: 0x3B, Fast Read dual data
    SPI_WRITE_TX(SPI_FLASH_PORT, 0x3B);

    // send 24-bit start address
    SPI_WRITE_TX(SPI_FLASH_PORT, (StartAddress>>16) & 0xFF);
    SPI_WRITE_TX(SPI_FLASH_PORT, (StartAddress>>8)  & 0xFF);
    SPI_WRITE_TX(SPI_FLASH_PORT, StartAddress       & 0xFF);

    // dummy byte
    SPI_WRITE_TX(SPI_FLASH_PORT, 0x00);

    while(SPI_IS_BUSY(SPI_FLASH_PORT));

    // clear RX buffer
    SPI_ClearRxFIFO(SPI_FLASH_PORT);

    // enable SPI dual IO mode and set direction to input
    SPI_ENABLE_DUAL_MODE(SPI_FLASH_PORT);
    SPI_ENABLE_DUAL_INPUT_MODE(SPI_FLASH_PORT);

    // read data
    for(i=0; i<256; i++) {
        SPI_WRITE_TX(SPI_FLASH_PORT, 0x00);
        while(SPI_IS_BUSY(SPI_FLASH_PORT));
        u8DataBuffer[i] = SPI_READ_RX(SPI_FLASH_PORT);
    }

    // wait tx finish
    while(SPI_IS_BUSY(SPI_FLASH_PORT));

    // /CS: de-active
    SPI_SET_SS0_HIGH(SPI_FLASH_PORT);

    SPI_DISABLE_DUAL_MODE(SPI_FLASH_PORT);
}

Beispiel #6

Datei: main.c Projekt: wjw890912/Power-measurement

uint8_t SpiFlash_ReadStatusReg(void)
{
    // /CS: active
    SPI_SET_SS0_LOW(SPI_FLASH_PORT);

    // send Command: 0x05, Read status register
    SPI_WRITE_TX(SPI_FLASH_PORT, 0x05);

    // read status
    SPI_WRITE_TX(SPI_FLASH_PORT, 0x00);

    // wait tx finish
    while(SPI_IS_BUSY(SPI_FLASH_PORT));

    // /CS: de-active
    SPI_SET_SS0_HIGH(SPI_FLASH_PORT);

    // skip first rx data
    SPI_READ_RX(SPI_FLASH_PORT);

    return (SPI_READ_RX(SPI_FLASH_PORT) & 0xff);
}

Beispiel #7

Datei: spiutil.c Projekt: holodnak/nuc123-fdsemu

void spi_deselect_device(SPI_T *spi, int ss)
{
    SPI_SET_SS0_HIGH(spi);
}