static Uint32 LOCAL_recvHeaderAndData(UARTBOOT_HeaderHandle ackHeader)
{
Uint32 error = E_FAIL, recvLen;
// Recv ACK command
error = UART_checkSequence(" ACK", TRUE);
if(error != E_PASS)
{
return E_FAIL;
}
// Get the ACK header elements
error = UART_recvHexData( 4, (Uint32 *) &(ackHeader->magicNum) );
error |= UART_recvHexData( 4, (Uint32 *) &(ackHeader->startAddr) );
error |= UART_recvHexData( 4, (Uint32 *) &(ackHeader->byteCnt) );
error |= UART_checkSequence("0000", FALSE);
if(error != E_PASS)
{
return E_FAIL;
}
// Verify that the data size is appropriate
if((ackHeader->byteCnt == 0) || (ackHeader->byteCnt > APP_IMAGE_SIZE))
{
LOCAL_sendSequence(" BADCNT"); // trailing /0 will come along
return E_FAIL;
}
// Verify application start address is in RAM (lower 16bit of appStartAddr also used
// to hold UBL entry point if this header describes a UBL)
if( (ackHeader->startAddr < DEVICE_DDR2_START_ADDR) || (ackHeader->startAddr > DEVICE_DDR2_END_ADDR) )
{
LOCAL_sendSequence("BADADDR"); // trailing /0 will come along
return E_FAIL;
}
// Send BEGIN command
if (LOCAL_sendSequence(" BEGIN") != E_PASS)
return E_FAIL;
// Receive the data over UART
recvLen = ackHeader->byteCnt;
error = UART_recvStringN((String)(ackHeader->loadAddr), &recvLen, FALSE );
if ( (error != E_PASS) || (recvLen != ackHeader->byteCnt) )
{
DEBUG_printString("\r\nUART Receive Error\r\n");
return E_FAIL;
}
// Return DONE when all data arrives
if ( LOCAL_sendSequence(" DONE") != E_PASS )
return E_FAIL;
return E_PASS;
}
static Uint32 LOCAL_recvCommand(Uint32* bootCmd)
{
if(UART_checkSequence(" CMD", TRUE) != E_PASS)
{
return E_FAIL;
}
if(UART_recvHexData(4,bootCmd) != E_PASS)
{
return E_FAIL;
}
return E_PASS;
}
static Uint32 LOCAL_recvHeaderAndData(UARTBOOT_HeaderHandle ackHeader)
{
Uint32 error = E_PASS, recvLen;
Bool imageIsUBL;
Uint32 maxImageSize,minStartAddr,maxStartAddr;
// Issue command to host to send image
if ( LOCAL_sendSequence("SENDIMG") != E_PASS)
{
return E_FAIL;
}
// Recv ACK command
if(UART_checkSequence(" ACK", TRUE) != E_PASS)
{
return E_FAIL;
}
// Get the ACK header elements
error = UART_recvHexData( 4, (Uint32 *) &(ackHeader->magicNum) );
error |= UART_recvHexData( 4, (Uint32 *) &(ackHeader->startAddr) );
error |= UART_recvHexData( 4, (Uint32 *) &(ackHeader->byteCnt) );
error |= UART_recvHexData( 4, (Uint32 *) &(ackHeader->loadAddr) );
error |= UART_checkSequence("0000", FALSE);
if(error != E_PASS)
{
return E_FAIL;
}
// Check if this is a UBL or APP image
if (ackHeader->loadAddr == 0x00000020)
{
imageIsUBL = TRUE;
maxImageSize = UBL_IMAGE_SIZE;
minStartAddr = 0x0100;
maxStartAddr = UBL_IMAGE_SIZE;
}
else
{
imageIsUBL = FALSE;
maxImageSize = APP_IMAGE_SIZE;
minStartAddr = DEVICE_DDR2_START_ADDR;
maxStartAddr = DEVICE_DDR2_END_ADDR;
}
// Verify that the data size is appropriate
if((ackHeader->byteCnt == 0) || (ackHeader->byteCnt > maxImageSize))
{
LOCAL_sendSequence(" BADCNT"); // trailing /0 will come along
return E_FAIL;
}
// Verify application start address is in RAM (lower 16bit of appStartAddr also used
// to hold UBL entry point if this header describes a UBL)
if( (ackHeader->startAddr < minStartAddr) || (ackHeader->startAddr > maxStartAddr) )
{
LOCAL_sendSequence("BADADDR"); // trailing /0 will come along
return E_FAIL;
}
// Allocate space in DDR to store image
ackHeader->imageBuff = (Uint8 *) UTIL_allocMem(ackHeader->byteCnt);
// Send BEGIN command
if (LOCAL_sendSequence(" BEGIN") != E_PASS)
return E_FAIL;
// Receive the data over UART
recvLen = ackHeader->byteCnt;
error = UART_recvStringN((String)ackHeader->imageBuff, &recvLen, FALSE );
if ( (error != E_PASS) || (recvLen != ackHeader->byteCnt) )
{
DEBUG_printString("\r\nUART Receive Error\r\n");
return E_FAIL;
}
// Return DONE when all data arrives
if ( LOCAL_sendSequence(" DONE") != E_PASS )
return E_FAIL;
return E_PASS;
}
