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cache UUID values. IAP calls in systick seem to be a source of #fail

This commit is contained in:
Stefan `Sec` Zehl 2012-04-02 13:51:00 +02:00
parent 3f5f8dd21a
commit 2adeac37ea
1 changed files with 25 additions and 2 deletions
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27
firmware/basic/uuid.c
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@ -5,7 +5,10 @@
#include "core/iap/iap.h" #include "core/iap/iap.h"
uint32_t GetUUID32(void){ uint32_t uuid32=0;
uint16_t uuid16=0;
uint32_t __GetUUID32(void){
IAP_return_t iap_return; IAP_return_t iap_return;
iap_return = iapReadSerialNumber(); iap_return = iapReadSerialNumber();
if (iap_return.ReturnCode == 0){ if (iap_return.ReturnCode == 0){
@ -21,8 +24,28 @@ uint32_t GetUUID32(void){
}; };
// What OpenBeacon used. Do we want this? // What OpenBeacon used. Do we want this?
uint16_t GetUUID16(void){ uint16_t __GetUUID16(void){
IAP_return_t iap_return; IAP_return_t iap_return;
iap_return = iapReadSerialNumber(); iap_return = iapReadSerialNumber();
return crc16 ((uint8_t *) iap_return.Result, sizeof (iap_return.Result)); return crc16 ((uint8_t *) iap_return.Result, sizeof (iap_return.Result));
}; };
uint32_t initUUID(void){
uuid32=__GetUUID32();
uuid16=__GetUUID16();
};
uint32_t GetUUID32(void){
if(uuid32==0){
initUUID();
};
return uuid32;
};
uint16_t GetUUID16(void){
if(uuid32==0){
initUUID();
};
return uuid16;
};