Problem Interfacing SPI external Flash and writing to the Flash Registers

[Mushtakh Shaikh]

Hi,

I am trying to interface  External Flash (IS25LP064A ) using SPI example in SDK v16. I am able to read the Manufacturer_ID and the device ID from the external flash. Now I want to Read, write and Erase the flash. But I am unable to do so. Please tell me if any example is there or the way how to do that .

Please give any example code to interface SPI flash.

[Mushtakh Shaikh]

After write_enable, I am getting the following output.

RDID_3 Transfer Successful
Flash_ID_3: 0
Manufacturer_ID: 9d Memory_Type : 60, Capacity:17
Write_enable_err_code : 0
WREN Transfer Successful

[Mushtakh Shaikh]

This is the output when after read_status_register();

I have changed the rx_buffer_length to 4 as per your suggestion.Still I am unable to write the data to flash and read the data from flash. Please help me with any code example if u have.  

Status_Reg_Err_code : 0
Rdsr-stat: 00
Rdsd stat 00
RDSR Transfer Successful

[Mushtakh Shaikh]

Hi, 

Can u please tell me what went  wrong in my code ?? 

[Amanda Hsieh]

Did you change the code to
printf("Rdsr-stat: %02X\n",spi_rx_cmd[2]);
printf("Rdsd stat %02X\n",spi_rx_cmd[3]);

after increasing rx_buffer_length to 4?

-Amanda H.

[Mushtakh Shaikh]

Yes I did that too. But Still not able to write and read the data to and from the external flash.

Can u please provide any sample code that will help?.