Rename leds to usb. Put ‘DSTAT’ and xmega lot number in USB serial string.

src/config/conf_usb.h

@@ -67,7 +67,10 @@
 //! USB Device string definitions (Optional)
 #define  USB_DEVICE_MANUFACTURE_NAME      "Wheeler Lab"
 #define  USB_DEVICE_PRODUCT_NAME          "DStat"
-#define  USB_DEVICE_SERIAL_NAME           "12...EF"
+#define  USB_DEVICE_SERIAL_NAME
+#define  USB_DEVICE_GET_SERIAL_NAME_POINTER serial_number
+#define  USB_DEVICE_GET_SERIAL_NAME_LENGTH  10  //DSTAT + 5
+extern uint8_t serial_number[];
 
 
 /**
@@ -164,6 +167,6 @@ extern void my_callback_cdc_set_rts(uint8_t port, uint8_t b_enable);
 
 //! The includes of classes and other headers must be done at the end of this file to avoid compile error
 #include "udi_cdc_conf.h"
-#include "leds.h"
+#include "usb.h"
 
 #endif // _CONF_USB_H_

src/main.c

@@ -15,6 +15,7 @@
 #include <stdint.h>
 #include "conf_board.h"
 #include "ext_twi.h"
+#include "usb.h"
 #include <util/atomic.h>
 
 //Internal function declarations
@@ -119,7 +120,9 @@ int main(void){
 	sysclk_enable_module(SYSCLK_PORT_GEN, SYSCLK_EVSYS);
 	
 	pmic_set_scheduling(PMIC_SCH_ROUND_ROBIN);
-	
+    
+    init_build_usb_serial_number();
+    
 	stdio_usb_init();
 	
 	ads1255_init_pins();

src/leds.c → src/usb.c

@@ -6,10 +6,14 @@
 //  Copyright © 2017 Michael Dryden. All rights reserved.
 //
 
-#include "leds.h"
+#include "usb.h"
 #include "config/conf_board.h"
 #include <ioport.h>
 #include <util/atomic.h>
+#include <string.h>
+
+uint8_t ReadSignatureByte(uint16_t Address);
+void NVM_GetGUID(uint8_t* bytearray);
 
 void my_callback_cdc_set_rts(uint8_t port, uint8_t b_enable){
     static uint8_t connected = 0;
@@ -27,4 +31,47 @@ void my_callback_cdc_set_rts(uint8_t port, uint8_t b_enable){
     connected = b_enable;
 }
 
+void init_build_usb_serial_number(void)
+{
+    serial_number[0] = 'D';
+    serial_number[1] = 'S';
+    serial_number[2] = 'T';
+    serial_number[3] = 'A';
+    serial_number[4] = 'T';
+    
+    NVM_GetGUID(&serial_number[5]);
+}
+
+uint8_t ReadSignatureByte(uint16_t Address) {
+    NVM_CMD = NVM_CMD_READ_CALIB_ROW_gc;
+    uint8_t Result;
+    __asm__ ("lpm %0, Z\n" : "=r" (Result) : "z" (Address));
+    //  __asm__ ("lpm \n  mov %0, r0 \n" : "=r" (Result) : "z" (Address) : "r0");
+    NVM_CMD = NVM_CMD_NO_OPERATION_gc;
+    return Result;
+}
+
+void NVM_GetGUID(uint8_t* b) {
+    enum {
+        LOTNUM0=8,  // Lot Number Byte 0, ASCII
+        LOTNUM1,    // Lot Number Byte 1, ASCII
+        LOTNUM2,    // Lot Number Byte 2, ASCII
+        LOTNUM3,    // Lot Number Byte 3, ASCII
+        LOTNUM4,    // Lot Number Byte 4, ASCII
+        LOTNUM5,    // Lot Number Byte 5, ASCII
+        WAFNUM =16, // Wafer Number
+        COORDX0=18, // Wafer Coordinate X Byte 0
+        COORDX1,    // Wafer Coordinate X Byte 1
+        COORDY0,    // Wafer Coordinate Y Byte 0
+        COORDY1,    // Wafer Coordinate Y Byte 1
+    };
+    
+    b[ 0]=ReadSignatureByte(LOTNUM0);
+    b[ 1]=ReadSignatureByte(LOTNUM1);
+    b[ 2]=ReadSignatureByte(LOTNUM2);
+    b[ 3]=ReadSignatureByte(LOTNUM3);
+    b[ 4]=ReadSignatureByte(LOTNUM4);
+    b[ 5]=ReadSignatureByte(LOTNUM5);
+
+}
 

src/leds.h → src/usb.h

 //
-//  leds.h
+//  usb.h
 //  dstat-firmware
 //
 //  Created by Michael Dryden on 2017-05-04.
 //  Copyright © 2017 Michael Dryden. All rights reserved.
 //
 
-#ifndef leds_h
-#define leds_h
+#ifndef usb_h
+#define usb_h
 
 #include <stdio.h>
+#include "config/conf_usb.h"
 
 void my_callback_cdc_set_rts(uint8_t port, uint8_t b_enable);
+uint8_t serial_number[USB_DEVICE_GET_SERIAL_NAME_LENGTH];
+void init_build_usb_serial_number(void);
 
-
-#endif /* leds_h */
+#endif /* usb_h */