Super Vision
/
sv_usb_firmware
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Dependencies: MODSERIAL USBDevice_for_Rev_C_HW mbed
Fork of
mbed_sv_firmware_with_init
by 
Bob Recny
Diff: main.cpp
- Revision:
- 2:efaf8aee55df
- Parent:
- 1:bd988d267998
- Child:
- 3:e8cc286f9b2e
diff -r bd988d267998 -r efaf8aee55df main.cpp
--- a/main.cpp Mon Jan 19 23:27:45 2015 +0000
+++ b/main.cpp Mon Jan 19 23:48:21 2015 +0000
@@ -64,10 +64,14 @@
rfid_isp = 0; // RFID FE In-System Programming (active high)
rfid_rst = 1; // RFID FE Reset (active high)
rfid_pwr = 1; // RFID power switch on USB board (active high for prototype 1, low for all others)
- wait(0.25); // wait 1/4 second before...
+ wait(0.25); // wait 250ms before...
rfid_rst = 0; // ... taking RFID out of reset
// Prox
+ i2c.frequency(400000);
+ prox_int.mode(PullUp); // pull up proximity sensor interrupt at MCU
+
+
return 0;
}
@@ -145,68 +149,68 @@
cdc.printf("Starting...\n\r");
- //while(!cdc.readable()); // spin here until a message comes in from the host PC
+ while(!cdc.readable()); // spin here until a message comes in from the host PC
bool end_mark = FALSE;
- uint8_t crcCount = sizeof(cdc_buffer_rx); // use tx buffer size to start
+ uint8_t crcCount = sizeof(cdc_buffer_rx); // use tx buffer size to start
cdc.printf("\n\rCDC Input: ");
for (i = 0; i < sizeof(cdc_buffer_rx); i++)
{
- //cdc_buffer_rx[i] = cdc.getc(); //
+ cdc_buffer_rx[i] = cdc.getc(); // read data from USB side
- cdc.printf("%X, ",cdc_buffer_rx[i]);
+ //cdc.printf("%X, ",cdc_buffer_rx[i]); // debug
- if (cdc_buffer_rx[i] == 0x7E) // check for rfid end mark in outbound message
+ if (cdc_buffer_rx[i] == 0x7E) // check for rfid end mark in outbound message
{
- crcCount = 2; // two more bytes for CRC
- end_mark = TRUE; // end mark was reached
+ crcCount = 2; // two more bytes for CRC
+ end_mark = TRUE; // end mark was reached
}
- if (crcCount-- == 0) // end of message
+ if (crcCount-- == 0) // end of message
{
- if (end_mark == FALSE) return ERR_UART_NO_TX_ENDMARK; // no end mark detected
+ if (end_mark == FALSE) return ERR_UART_NO_TX_ENDMARK; // no end mark detected
break;
}
}
switch(cdc_buffer_rx[0])
{
- case 0xBB: // RFID-FE
+ case 0xBB: // RFID-FE
for (i = 0; i < sizeof(cdc_buffer_rx); i++)
{
- uart_buffer_tx[i] = cdc_buffer_rx[i]; // copy USB message to UART for RFID
+ uart_buffer_tx[i] = cdc_buffer_rx[i]; // copy USB message to UART for RFID
}
- status = rfid_msg(); // send buffer to RFID and get response according to RFID board
+ status = rfid_msg(); // send buffer to RFID and get response according to RFID board
for (i = 0; i < sizeof(cdc_buffer_tx); i++)
{
- cdc_buffer_tx[i] = uart_buffer_rx[i]; // copy RFID response back to USB buffer
+ cdc_buffer_tx[i] = uart_buffer_rx[i]; // copy RFID response back to USB buffer
}
- cdc.printf("\n\rRFID Response: ");
+ //cdc.printf("\n\rRFID Response: "); // debug
for (i = 0; i < sizeof(cdc_buffer_tx); i++)
{
- cdc.printf("%x, ", cdc_buffer_tx[i]); // send message back to PC
+ //cdc.printf("%x, ", cdc_buffer_tx[i]); // debug send message back to PC
- if (cdc_buffer_tx[i] == 0x7E) // check for rfid end mark in outbound message
+ if (cdc_buffer_tx[i] == 0x7E) // check for rfid end mark in outbound message
{
- crcCount = 2; // two more bytes for CRC
- end_mark = TRUE; // end mark was reached
+ crcCount = 2; // two more bytes for CRC
+ end_mark = TRUE; // end mark was reached
}
- if (crcCount-- == 0) // end of message
+ if (crcCount-- == 0) // end of message
{
if (end_mark == FALSE) return ERR_CDC_NO_TX_ENDMARK; // no end mark detected
break;
}
}
break;
- case 0xCC: // Proximity Sensor
+ case 0xCC: // Proximity Sensor
prox_msg();
break;
- case 0xDD: // GPIO (LEDs and RFID-FE control
+ case 0xDD: // GPIO (LEDs and RFID-FE control
gpio_msg();
break;
- case 0xEE: // Read/write EEPROM
+ case 0xEE: // Read/write EEPROM
eeprom_msg();
break;
default: