PROBLEM WHILE READ AND WRITE FLASH 25Q64 USING SPI FOR NRF52832 .

[Embel_Tech]

Hello ,

i m using sdk 15.0.0 and spi example  for flash winbond 25q64 read write .

i m successfully read manufacture id,,device id.

but problem is writing and reading data from flash memory.

let me know the any hint. 

[AnhLe]

    nrf_drv_spi_config_t spi_config = NRF_DRV_SPI_DEFAULT_CONFIG;

    spi_config.ss_pin   = 12;

    spi_config.miso_pin = 14;

    spi_config.mosi_pin = 15;

    spi_config.sck_pin  = 13;

    APP_ERROR_CHECK(nrf_drv_spi_init(&spi, &spi_config, NULL, NULL));

    NRF_LOG_INFO("SPI example started.");

    //get ID

    txData[0] = 0x9F;

    uint8_t id[4];

    nrf_drv_spi_transfer(&spi, txData, 1, id, 4);

    //write enable

    txData[0] = 0x06;

    nrf_drv_spi_transfer(&spi, txData, 1, NULL, 0);

    //write 2 byte to 0x32000

    txData[0] = 0x02;

    txData[1] = 0x03;

    txData[2] = 0x20;

    txData[3] = 0x00;

    txData[4] = 0xAA;

    txData[5] = 0xBB;

    nrf_drv_spi_transfer(&spi, txData, 6, NULL, 0);

    //read 2 byte to 0x32000

    txData[0] = 0x03;

    txData[1] = 0x03;

    txData[2] = 0x20;

    txData[3] = 0x00;

    uint8_t readByte[6];

    nrf_drv_spi_transfer(&spi, txData, 4, readByte, 6);

[pushparaj]

Hello Embol tech ,i m truing to read write from windbond w25q64 pls help for write and read into flash where erase is succesfully pls pls consider me