int commandClearFlash(uint8_t *buffer)
{
uint8_t state = getProcessStatus();
if( (state == 1) || (state == 3) )
*buffer = 0x0E;
else
{
EventBits_t flags = xEventGroupGetBits(xEventGroup);
if( flags & FLAG_FLASH_CLEARING )
{
*buffer++ = 0x0d; //устройство занято
*buffer = 0x04; //устройство зянято стиранием памяти
return 7;
}
else
{
memset((void*)flashMap, 0xff, sizeof(flashMap));
memset((void*)headerList, 0xff, sizeof(headerList));
countProc = 0;
spiChipErase();
xEventGroupSetBits(xEventGroup, FLAG_FLASH_CLEARING);
//стартуем таймер на 22 сек, после которого state сменим с 4 на 2.
xTimerStart(timerClearFlash, 500);
}
}
return 6;
}
void
main(
)
{
char cmd, blockSize, exit = 0;
long addr;
init();
#asm("sei")
if (PRGE) {
#ifdef __DEBUG__
printf("Program enable\r\n");
#endif /*__DEBUG__*/
do {
cmd = receiveByte();
switch(cmd) {
case LC_ERASE:
spiWriteEnable();
spiChipErase();
putchar(0x55); //ack
break;
case LC_LOAD:
blockSize = receiveByte();
addr = receiveByte(); //low address byte
addr |= ((long)receiveByte()) << 8; //high address byte
flushRxBuffer();
putchar(0x55); //ack
while (g_uRxCount < blockSize) ;
spiWriteEnable();
spiWriteBlock(addr, g_pbRxBuffer, blockSize);
flushRxBuffer();
putchar(0x55); //ack
break;
case LC_RESET_CHIP:
putchar(0x55); //ack
exit = 1;
break;
case LC_BLANK_CHECKING:
putchar(spiBlankChecking()? 0x55: 0xff);
break;
case LC_READ:
addr = receiveByte(); //low address byte
addr |= ((long)receiveByte()) << 8; //high address byte
putchar(0x55); //ack
putchar(spiRead8(addr));
break;
default:
flushRxBuffer();
putchar(0xfe); //error
putchar(cmd);
break;
}
} while (!exit);
}
else {
#ifdef __DEBUG__
printf("Program disable\r\n");
#endif /*__DEBUG__*/
}
#asm("cli");
//idle mode
resetBlackfin();
//TODO: sleep mode after running blackfin
while (1) {
}
}
