예제 #1
0
void
process_line(longint_t vars[], char *line) {
	int varnum, optype, status;
	longint_t second_value;

	/* determine the LHS variable, it
	 * must be first character in line
	 */
	varnum = to_varnum(line[0]);
	if (varnum==ERROR) {
		printf("Invalid LHS variable\n");
		return;
	}

	/* more testing for validity 
	 */
	if (strlen(line)<2) {
		printf("No operator supplied\n");
		return;
	}

	/* determine the operation to be performed, it
	 * must be second character in line
	 */
	optype = line[1];
	if (strchr(ALLOPS, optype) == NULL) {
		printf("Unknown operator\n");
		return;
	}

	/* determine the RHS argument (if one is required),
	 * it must start in third character of line
	 */
	if (optype != PRINT) {
		if (strlen(line)<3) {
			printf("No RHS supplied\n");
			return;
		}
		status = get_second_value(vars, line+2, &second_value);
		if (status==ERROR) {
			printf("RHS argument is invalid\n");
			return;
		}
	}

	/* finally, do the actual operation
	 */
	if (optype == PRINT) {
		do_print(vars+varnum);
	} else if (optype == ASSIGN) {
		do_assign(vars+varnum, &second_value);
	} else if (optype == PLUS) {
		do_plus(vars+varnum, &second_value);
	} else if (optype == MULT) {
		do_mult(vars+varnum, &second_value);
	} else if (optype == POWER) {
		do_power(vars+varnum, &second_value);
	}
	return;
}
예제 #2
0
파일: bluebox.c 프로젝트: johandc/bluebox
static void do_control_request(int direction)
{
	switch (USB_ControlRequest.bRequest) {
	case REQUEST_REGISTER:
		do_register(direction, USB_ControlRequest.wValue);
		break;
	case REQUEST_FREQUENCY:
		do_frequency(direction, USB_ControlRequest.wValue);
		break;
	case REQUEST_RXTX_MODE:
		do_rxtx_mode(direction, USB_ControlRequest.wValue);
		break;
	case REQUEST_MODINDEX:
		do_modindex(direction, USB_ControlRequest.wValue);
		break;
	case REQUEST_CSMA_RSSI:
		do_csma_rssi(direction, USB_ControlRequest.wValue);
		break;
	case REQUEST_POWER:
		do_power(direction, USB_ControlRequest.wValue);
		break;
	case REQUEST_AFC:
		do_acf(direction, USB_ControlRequest.wValue);
		break;
	case REQUEST_IFBW:
		do_ifbw(direction, USB_ControlRequest.wValue);
		break;
	case REQUEST_TRAINING:	
		do_training(direction, USB_ControlRequest.wValue);
		break;
	case REQUEST_SYNCWORD:	
		do_syncword(direction, USB_ControlRequest.wValue);
		break;
	case REQUEST_BITRATE:
		do_bitrate(direction, USB_ControlRequest.wValue);
		break;
	case REQUEST_TX:
		do_tx(direction, USB_ControlRequest.wValue);
		break;
	case REQUEST_RX:
		do_rx(direction, USB_ControlRequest.wValue);
		break;
	case REQUEST_TX_FREQUENCY:
		do_tx_frequency(direction, USB_ControlRequest.wValue);
		break;
	case REQUEST_RX_FREQUENCY:
		do_rx_frequency(direction, USB_ControlRequest.wValue);
		break;
	case REQUEST_SERIALNUMBER:
		do_serialnumber(direction, USB_ControlRequest.wValue);
		break;
	case REQUEST_FWREVISION:
		do_fw_revision(direction, USB_ControlRequest.wValue);
		break;
	case REQUEST_RESET:
		reboot();
		break;
	case REQUEST_DFU:
		jump_to_bootloader();
		break;
	}
}