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[PIC] Read and write from Flash memory of PIC32mx

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rajalakshmiA

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Hi
I want write a byte in internal Flash of pic32mx microcontroller.i have tried sample code.But i cant able to read the exact data .. Anyone help me on that...
 

Hi,

Please show your code.

Klaus
 

KlausST said:
Hi,

Please show your code.

Klaus
Click to expand...

This is My Code for NVM
int main(void) {

SYSTEMConfig(SYS_FREQ, SYS_CFG_WAIT_STATES | SYS_CFG_PCACHE);
// JTAG port must be disabled.
mJTAGPortEnable(DEBUG_JTAGPORT_OFF);

mPORTBSetPinsDigitalOut(BIT_8);

NVMErasePage((void *)NVM_PROGRAM_PAGE);
ReturnVal = NVMWriteWord((void*)(NVM_PROGRAM_PAGE), 0x1234);


if(ReturnVal == 0)
{
mPORTBSetBits(BIT_8);
}


read_data = *((int *)(NVM_PROGRAM_PAGE)) ;
Data1 = &read_data;



}

- - - Updated - - -

After erasing flash only i am writing into that
 

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