void uart_init(uint8_t uartIdx, uint16_t baudrate, uint8_t tx8, uint8_t rx8) //Rcv function of Uart reset
{
uart[uartIdx].TxM = tx8;// 8bit data tx
uart[uartIdx].RxM = rx8;// 8bit data rx
SetBaud(uartIdx, baudrate);
uart[uartIdx].RxEN= 1;
uart[uartIdx].TxEN = 1;
serial_data_init(uartIdx);
uart_recv[uartIdx].inited = 1;
}
int main(void)
{
SetClock();
ConfigPins();
SetBaud();
UARTCharPut(UART0_BASE, 'H');
UARTCharPut(UART0_BASE, 'I');
while (1)
{
CheckReceivedBits();
}
}
static int Speed( void )
{
int sync_point;
if( !MarchToTheSameDrummer() ) return( FAIL );
sync_point = MAX_BAUD_SET_TICKS;
for( ;; ) {
if( SetBaud( BaudCounter, &sync_point ) ) break;
++BaudCounter; /* ... try next slower speed */
if( BaudCounter >= MIN_BAUD ) {
BaudCounter = MIN_BAUD;
return( FAIL );
}
}
return( SUCCESS ); /* link established */
}
unsigned long _download_main_file(ITL_FILE_DOWNLOAD * itlFile)
{
unsigned char chk;
unsigned long cur_block;
unsigned long i;
unsigned long block_offset;
CloseSSPPort(itlFile->port);
sleep(2);
OpenSSPPort(itlFile->portname);
SetBaud(itlFile->port,itlFile->baud);
//ensure buffer clear after restart
if (_send_download_command(&itlFile->fData[6],1,ram_OK_ACK,itlFile) == 0)
return DATA_TRANSFER_FAIL;
if (_send_download_command(itlFile->fData,128,ram_OK_ACK,itlFile) == 0)
return DATA_TRANSFER_FAIL;
for (cur_block = 1; cur_block <= itlFile->NumberOfBlocks; ++cur_block)
{
block_offset = 128 + ((cur_block-1)*itlFile->dwnlBlockSize) + itlFile->NumberOfRamBytes;
chk = 0;
for(i = 0; i < itlFile->dwnlBlockSize; ++i)
chk ^= itlFile->fData[block_offset + i];
/*
for(i = 0; i < itlFile->dwnlBlockSize/128; ++i)
{
WriteData(&itlFile->fData[block_offset + (i*128)],128,itlFile->port);
while (TransmitComplete(itlFile->port) == 0)
//usleep(1000);
sleep(0);
}*/
WriteData(&itlFile->fData[block_offset ],itlFile->dwnlBlockSize,itlFile->port);
while (TransmitComplete(itlFile->port) == 0)
usleep(1000);
if (_send_download_command(&chk,1,chk,itlFile) ==0)
return DATA_TRANSFER_FAIL;
download_block = cur_block;
}
return DOWNLOAD_COMPLETE;
}
unsigned long _download_ram_file(ITL_FILE_DOWNLOAD * itlFile, SSP_COMMAND * sspC)
{
unsigned long i;
unsigned long baud;
unsigned char buffer;
int numRamBlocks;
//initiate communication
sspC->CommandDataLength = 2;
sspC->CommandData[0] = SSP_CMD_PROGRAM;
sspC->CommandData[1] = SSP_PROGRAM_RAM;
if (SSPSendCommand(itlFile->port,sspC) == 0)
return PROG_COMMAND_FAIL;
if (sspC->ResponseData[0] != SSP_RESPONSE_OK)
return PROG_COMMAND_FAIL;
//calculate block size
itlFile->dwnlBlockSize = ((unsigned short)sspC->ResponseData[1]) + (((unsigned short)sspC->ResponseData[2])<<8);
sspC->EncryptionStatus = 0;
sspC->CommandDataLength = 128;
for (i = 0; i < 128; ++i)
sspC->CommandData[i] = itlFile->fData[i];
SSPSendCommand(itlFile->port,sspC);
if (sspC->ResponseData[ 0] == SSP_RESPONSE_HEADER_FAILURE)
return HEADER_FAIL;
else if (sspC->ResponseData[0] != SSP_RESPONSE_OK)
return DATA_TRANSFER_FAIL;
baud = 38400;
if((itlFile->fData[5] != 0x9) && (itlFile->fData[5] != 0xA)){ //NV9/10
baud = 0;
for(i = 0; i < 4; i++){
baud += (long)itlFile->fData[68 + i] << ((3- i) * 8);
}
if(baud == 0) baud = 38400;
}
SetBaud(itlFile->port,baud);
itlFile->baud = baud;
usleep(500000);
numRamBlocks = itlFile->NumberOfRamBytes/RAM_DWNL_BLOCK_SIZE;
for (i = 0; i < numRamBlocks; i++){
WriteData(&itlFile->fData[128+(i*RAM_DWNL_BLOCK_SIZE)],RAM_DWNL_BLOCK_SIZE,itlFile->port);
while (TransmitComplete(itlFile->port) == 0)
usleep(1000);
//ramStatus.currentRamBlocks = i;
}
if ((itlFile->NumberOfRamBytes % RAM_DWNL_BLOCK_SIZE) != 0)
{
WriteData(&itlFile->fData[128+(i*RAM_DWNL_BLOCK_SIZE)],itlFile->NumberOfRamBytes % RAM_DWNL_BLOCK_SIZE,itlFile->port);
}
buffer = _read_single_byte_reply(itlFile,500);
//check checksum
if (itlFile->fData[0x10] != buffer)
return DATA_TRANSFER_FAIL;
return DOWNLOAD_COMPLETE;
}
