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Dependents: DISCO-L072CZ-LRWAN1_LoRa_PingPong DISCO-L072CZ-LRWAN1_LoRa_PingPong DISCO-L072CZ-LRWAN1_LoRa_PingPong DISCO-L072CZ-LRWAN1_LoRa_USB_Rx ... more
Revision 78:9d2cc07d9525, committed 2017-08-02
- Comitter:
- Helmut Tschemernjak
- Date:
- Wed Aug 02 10:34:14 2017 +0200
- Parent:
- 77:7f227a4dffe6
- Child:
- 79:8ae448a3c1fd
- Commit message:
- Added CPUID function
Changed in this revision
--- a/Arduino-mbed-APIs/arduino-d21.cpp Mon Jul 31 16:11:17 2017 +0200
+++ b/Arduino-mbed-APIs/arduino-d21.cpp Wed Aug 02 10:34:14 2017 +0200
@@ -19,6 +19,32 @@
* __SAMD21G18A__ is Genuino Zero-Board (compatible with the LoRa board)
*/
+int
+CPUID(uint8_t *buf, int maxSize, uint32_t xorval)
+{
+ int f1 = 0x55d5f559; // D21 128-bit UUID, first 32 bit.
+ int f2 = 0x55d5f515; // D21 128-bit UUID, next 96 bit.
+
+ if (maxSize >= 16 ) {
+ int cnt = 0;
+ int fa = f1 ^ xorval;
+ uint32_t *first = (uint32_t *)fa;
+ uint8_t *dst = (uint8_t *)first;
+ for (int i = 0; i < sizeof(uint32_t); i++)
+ *buf++ = *dst++;
+ cnt += 4;
+ int fb = f2 ^ xorval;
+ uint32_t *next = (uint32_t *)fb;
+ dst = (uint8_t *)next;
+ for (int i = 0; i < sizeof(uint32_t)*3; i++)
+ *buf++ = *dst++;
+ cnt += 12;
+ return cnt;
+ }
+
+ return 0;
+}
+
/*
* see tcc.h is automatically included from:
* Arduino15/packages/arduino/tools/CMSIS-Atmel/1.1.0/CMSIS/
--- a/Arduino-mbed-APIs/arduino-mbed.h Mon Jul 31 16:11:17 2017 +0200 +++ b/Arduino-mbed-APIs/arduino-mbed.h Wed Aug 02 10:34:14 2017 +0200 @@ -38,6 +38,7 @@ extern void stopTimer(Tcc *t); extern uint64_t ns_getTicker(void); extern Tcc *getTimeout_tcc(void); +extern int CPUID(uint8_t *buf, int maxSize, uint32_t xorval); extern void sleep(void);
