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Remove caching of getSerial(); use temporary for BLE init

master
Michal Moskal 2015-10-27 08:26:07 -07:00
parent 2877fd68f2
commit 59853855b0
2 changed files with 4 additions and 8 deletions
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1
inc/MicroBit.h
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@ -77,7 +77,6 @@ class MicroBit
void seedRandom();
uint32_t randomValue;
ManagedString serialCache;
public:

11
source/MicroBit.cpp
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@ -118,7 +118,9 @@ void MicroBit::init()
#endif
#if CONFIG_ENABLED(MICROBIT_BLE_DEVICE_INFORMATION_SERVICE)
DeviceInformationService ble_device_information_service (*ble, MICROBIT_BLE_MANUFACTURER, MICROBIT_BLE_MODEL, getSerial().toCharArray(), MICROBIT_BLE_HARDWARE_VERSION, MICROBIT_BLE_FIRMWARE_VERSION, MICROBIT_BLE_SOFTWARE_VERSION);
// Create a temporary, so that compiler doesn't delete the pointer before DeviceInformationService copies it
ManagedString tmp = getSerial();
DeviceInformationService ble_device_information_service (*ble, MICROBIT_BLE_MANUFACTURER, MICROBIT_BLE_MODEL, tmp.toCharArray(), MICROBIT_BLE_HARDWARE_VERSION, MICROBIT_BLE_FIRMWARE_VERSION, MICROBIT_BLE_SOFTWARE_VERSION);
#endif
#if CONFIG_ENABLED(MICROBIT_BLE_EVENT_SERVICE)
@ -221,9 +223,6 @@ ManagedString MicroBit::getName()
*/
ManagedString MicroBit::getSerial()
{
if (serialCache.length() > 0)
return serialCache;
// We take to 16 bit numbers here, as we want the full range of ID bits, but don't want negative numbers...
int n1 = NRF_FICR->DEVICEID[1] & 0xffff;
int n2 = (NRF_FICR->DEVICEID[1] >> 16) & 0xffff;
@ -232,9 +231,7 @@ ManagedString MicroBit::getSerial()
ManagedString s1 = ManagedString(n1);
ManagedString s2 = ManagedString(n2);
serialCache = s1 + s2;
return serialCache;
return s1 + s2;
}
/**