flashctl_ex4_writeToInfoA.c

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//*****************************************************************************
//********************************************************************************
#include "driverlib.h"
 
//*****************************************************************************
//
//INFOB address in flash into which calibration data would be written
//
//*****************************************************************************
#define INFOA_START   (0x1980)
 
//*****************************************************************************
//
//Dummy char array of 'calibration data' - to be stored in flash
//
//*****************************************************************************
uint8_t calibration_data_char[16] = {0x00,
                                           0x01,
                                           0x02,
                                           0x03,
                                           0x04,
                                           0x05,
                                           0x06,
                                           0x07,
                                           0x08,
                                           0x09,
                                           0x10,
                                           0x11,
                                           0x12,
                                           0x13,
                                           0x14,
                                           0x15};
//*****************************************************************************
//
//Dummy int array of 'calibration data' - to be stored in flash
//
//*****************************************************************************
uint16_t calibration_data_int[8] = {0x1617,
                                        0x1819,
                                        0x2021,
                                        0x2223,
                                        0x2425,
                                        0x2627,
                                        0x2829,
                                        0x3031};
//*****************************************************************************
//
//Dummy long array of 'calibration data' - to be stored in flash
//
//*****************************************************************************
uint32_t calibration_data_long[4] = {0x35343332,
                                          0x39383736,
                                          0x43424140,
                                          0x47464544};
 
void main (void)
{
    uint16_t status;
 
    WDT_A_hold(WDT_A_BASE);
 
    //Set P1.0 to output direction
    GPIO_setAsOutputPin(
        GPIO_PORT_P1,
        GPIO_PIN0
        );
 
    //Unlock Info Segment A
    FlashCtl_unlockInfoA();
 
    do
    {
        //Erase INFOA
        FlashCtl_eraseSegment((uint8_t *)INFOA_START);
        status = FlashCtl_performEraseCheck((uint8_t *)INFOA_START,
            128
            );
    } while (status == STATUS_FAIL);
 
    //Write calibration data to INFOA
    FlashCtl_write8(calibration_data_char,
        (uint8_t *)INFOA_START,
        16
        );
    FlashCtl_write16(calibration_data_int,
        (uint16_t *)(INFOA_START + 16),
        8
        );
    FlashCtl_write32(calibration_data_long,
        (uint32_t *)(INFOA_START + 32),
        4
        );
    FlashCtl_fillMemory32(0xBEEFBEEF,
        (uint32_t *)(INFOA_START + 48),
        (128 - 48) >> 2
        );
 
    //Lock Info Segment A
    FlashCtl_lockInfoA();
 
    while (1)
    {
        //Toggle P1.0
        GPIO_toggleOutputOnPin(
            GPIO_PORT_P1,
            GPIO_PIN0
            );
 
        //Delay
        __delay_cycles(1000000);
    }
}