uint32 atoui(char* input)
{
if (input[0] == '0' && tolower(input[1]) == 'x') // hex
return atoui_hex(input + 2, strlen(input) - 2);
else
return atoui_dec(input, strlen(input));
}
void process_rx() {
uns8 len, // length of string
rec; // received character
uns8 first_char;
rec = usb_cdc_getc(); // get the character from the fifo
usb_cdc_putc(rec); // print it out so we can see what we typed
if (rec == '\r') { // did we press return?
first_char = serial_buffer[0];
switch (first_char) {
case 'a':
do_task = 1;
break;
case 'x':
do_task = 2;
break;
case 'u':
do_task = 3;
break;
case 'n':
do_task = 4;
break;
default:
// More complicated example
// Let's set a variable based on input
// You can type:
// s05
// And press enter, it will set "send_to" to this (in hex)
if ((first_char == 's') && (strlen(serial_buffer)==3)) {
send_to = atoui_hex(&serial_buffer[1]);
usb_cdc_print_str(" Set send_to to ");
usb_cdc_print_int(send_to); // Of course, this could be anything
usb_cdc_putc('\n');
};
}
serial_buffer[0] = '\0'; // clear the buffer
usb_cdc_putc('\n'); // print new line
usb_cdc_putc('>'); // print the prompt
} else {
len = strlen(serial_buffer); // add the character to our line input
serial_buffer[len] = rec;
serial_buffer[len+1] = '\0';
}
}
static void TaskSerialCmdProc(void) {
uartInit();
uint16_t uint16;
while( true ) {
Sys_WaitSemaphore(hSerial, 153);
if( SysWaitTimedOut(hTaskSerialCmdProc) == false ) {
// pkt is ready to parse
rxPktCnt++;
switch( buffer[0] ) {
case SERCMD_LEDON:
redOn();
buffer[1] = '0';
buffer[2] = '\n';
break;
case SERCMD_LEDOFF:
redOff();
buffer[1] = '0';
buffer[2] = '\n';
break;
case SERCMD_CHKBUSY:
buffer[1] = '0';
buffer[2] = '0'+injIsBusy();
buffer[3] = '\n';
break;
case SERCMD_GETCYCLES:
buffer[1] = '0'+injGetCycles(&uint16);
uitoa_hex(&buffer[2], uint16, 4);
buffer[6] = '\n';
break;
case SERCMD_SETCYCLES:
uint16 = atoui_hex(&buffer[1]);
buffer[1] = '0'+injSetCycles(&uint16);
buffer[2] = '\n';
break;
case SERCMD_GETACCCYCLES:
buffer[1] = '0'+injGetAccumulatedCycles(&uint16);
uitoa_hex(&buffer[2], uint16, 4);
buffer[6] = '\n';
break;
case SERCMD_SETACCCYCLES:
uint16 = atoui_hex(&buffer[1]);
buffer[1] = '0'+injSetAccumulatedCycles(&uint16);
buffer[2] = '\n';
break;
case SERCMD_START:
buffer[1] = '0'+injStart();
buffer[2] = '\n';
break;
case SERCMD_SETONWIDTH:
uint16 = atoui_hex(&buffer[1]);
buffer[1] = '0'+injSetOnWidth(&uint16);
buffer[2] = '\n';
break;
case SERCMD_GETONWIDTH:
buffer[1] = '0'+injGetOnWidth(&uint16);
uitoa_hex(&buffer[2], uint16, 4);
buffer[6] = '\n';
break;
case SERCMD_ABORT:
buffer[1] = '0'+injAbort();
buffer[2] = '\n';
break;
case SERCMD_GETOFFWIDTH:
buffer[1] = '0'+injGetOffWidth(&uint16);
uitoa_hex(&buffer[2], uint16, 4);
buffer[6] = '\n';
break;
case SERCMD_SETFPPWM:
uint16 = atoui_hex(&buffer[1]);
buffer[1] = '0'+fpSet(&uint16);
buffer[2] = '\n';
break;
case SERCMD_GETFPPWM:
buffer[1] = '0'+fpGet(&uint16);
uitoa_hex(&buffer[2], uint16, 4);
buffer[6] = '\n';
break;
default:
errors++;
buffer[1] = 'F';
buffer[2] = '\n';
break;
}
// buffer already contains response, trigger
// a send and wait for it to complete
pie1.TXIE = true; // goes straight to int and loads the first item
Sys_WaitSemaphore(hSerial, 153);
if( SysWaitTimedOut(hTaskSerialCmdProc) == false ) {
txPktCnt++;
} else {
// tx never finished - got a timeout
errors++;
}
}
}
}
