C++ (Cpp) core_util_atomic_decr_u16 Examples

Example #1

File: mbed_sleep_manager.c Project: mbedNoobNinja/mbed

void sleep_manager_unlock_deep_sleep_internal(void)
{
    core_util_critical_section_enter();
    if (deep_sleep_lock == 0) {
        core_util_critical_section_exit();
        error("Deep sleep lock would underflow (< 0)");
    }
    core_util_atomic_decr_u16(&deep_sleep_lock, 1);
    core_util_critical_section_exit();
}

Example #2

File: crypto-misc.c Project: mbedNoobNinja/mbed

/* As crypto init counter changes from 1 to 0:
 *
 * 1. Disable crypto interrupt 
 * 2. Disable crypto clock
 */
void crypto_uninit(void)
{
    core_util_critical_section_enter();
    if (crypto_init_counter == 0) {
        core_util_critical_section_exit();
        error("Crypto clock enable counter would underflow (< 0)");
    }
    core_util_atomic_decr_u16(&crypto_init_counter, 1);
    if (crypto_init_counter == 0) {
        NVIC_DisableIRQ(CRPT_IRQn);
        
        SYS_UnlockReg();    // Unlock protected register
        CLK_DisableModuleClock(CRPT_MODULE);
        SYS_LockReg();      // Lock protected register
    }
    core_util_critical_section_exit();
}

Example #3

File: mbed_sleep_manager.c Project: toyowata/mbed

void sleep_manager_unlock_deep_sleep_internal(void)
{
    if (core_util_atomic_decr_u16(&deep_sleep_lock, 1) == 0xFFFF) {
        MBED_ERROR1(MBED_MAKE_ERROR(MBED_MODULE_HAL, MBED_ERROR_CODE_UNDERFLOW), "DeepSleepLock underflow (< 0)", deep_sleep_lock);
    }
}