tcDspFlash

Introduction

The tcDspFlash class may be used to write to and read from a Flash memory device. The tcDspFlash class probes the device, determines its geometry, and provides a common interface for accessing CFI-compliant flash devices.

See also:

MityDSP::tcDspFlash Class Reference

MityDSP::tcDspBankSelect Class Reference

Example

This is a simple example of tcDspFlash creation and usage:

 {
     const unsigned int FLASH_BASE_ADDR = 0x90000000;
     const unsigned int BANK_SEL_ADDR   = 0xB0000004;

     // Initialize the tcDspBankSelector object for the flash device
     tcDspBankSelect* mpBankSel = new tcDspBankSelect((void*)BANK_SEL_ADDR);

     // Use the factory to obtain a base class pointer to the flash device
     tcDspFlash* mpFlash = new tcDspFlash((void *)FLASH_BASE_ADDR, mpBankSel);

     tcDspError::report(__FILE__, __LINE__, status,
                        "FLASH Device Size is %.1f KB", 
                        mpFlash->getSizeKB());

     // Can now access the flash as needed
     mnLen = 0x100;
     for (int i=0; i<mnLen; i++) mpBuffer[i] = i;
     mpFlash->read(0x00002000, mpBuffer, mnLen);
        :
        :
     newLen = mnLen + 0x200;
     for (int i=mnLen; i<newLen; i++) mpBuffer[i] = i;
     mpFlash->write(0x00004000, mpBuffer, newLen);
        :
 }