[参考译文] CC2652R7：如何进入最低功耗模式？

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https://e2e.ti.com/support/wireless-connectivity/bluetooth-group/bluetooth/f/bluetooth-forum/1539306/cc2652r7-how-to-get-into-the-lowest-power-mode

器件型号：CC2652R7

工具/软件：

嗨、

因此、我的团队成员和我一直在尝试确定 TI-CC2652R7 的最低功耗。我们从 project_zero 示例开始、我们不启动 project_zero 线程、而是启动测试线程、并在信标处停止。进行功耗测量时、平均值为 9uA。然而、根据数据表、我们应该在待机模式下获得 0.9uA 的电流。我知道我们的电路可能有问题、但如果您可以确认我进入待机状态的方法是正确的、我们将非常感激。

int main()
{
    // Register Application callback to trap asserts raised in the Stack
    RegisterAssertCback(AssertHandler);

    Board_initGeneral();

#if !defined(POWER_SAVING)
    // Set constraints for Standby, powerdown and idle mode
    // PowerCC26XX_SB_DISALLOW may be redundant
    Power_setConstraint(PowerCC26XX_SB_DISALLOW);
    Power_setConstraint(PowerCC26XX_IDLE_PD_DISALLOW);
#endif // POWER_SAVING

    // Update User Configuration of the stack
    user0Cfg.appServiceInfo->timerTickPeriod = Clock_tickPeriod;
    user0Cfg.appServiceInfo->timerMaxMillisecond = ICall_getMaxMSecs();

    // Initialize ICall module
    ICall_init();

#ifndef STACK_LIBRARY
    {
        // Find stack entry page
        uint32_t stackAddr = findStackBoundaryAddr();

        // If we cannot find the stack start address, exit
        if (stackAddr == 0xFFFFFFFF)
            ICall_abort();

        // Set the stack image header based on the stack addr
        stackImageHeader = (imgHdr_t*)stackAddr;

        // Start tasks of external images - Priority 5
        const ICall_RemoteTask_t remoteTaskTbl[] = { (ICall_RemoteTaskEntry)(stackImageHeader->prgEntry), 5, 1000, &user0Cfg };

        // Start tasks of external images - Priority 5
        ICall_createRemoteTasksAtRuntime((ICall_RemoteTask_t*)remoteTaskTbl, (sizeof(remoteTaskTbl) / sizeof(ICall_RemoteTask_t)));
    }
#else

    // Start tasks of external images - Priority 5
    ICall_createRemoteTasks();
#endif

    // Ensure low-frequency (real-time) clock initialized with external oscillator, otherwise downstream BLE and RTOS calls won't work
    if (OSCClockSourceGet(OSC_SRC_CLK_LF) != OSC_XOSC_LF)
    {
        OSCClockSourceSet(OSC_SRC_CLK_LF, OSC_XOSC_LF);
    }

#ifdef TEST_XOSC_LF
    IOCPortConfigureSet(IOID_26, IOC_PORT_AON_CLK32K, IOC_STD_OUTPUT); // Pass-through external 32.768kHz oscillator clock signal (XOSC LF) out to TP1
    AONIOC32kHzOutputEnable();
#endif

    test(); 

    // Enable interrupts and start SYS/BIOS
    BIOS_start();

    return 0;
}

static array<uint8_t, 3092> test_stack;

void test()
{
    // Wrapper for creating a thread
    Thread(TestThread, nullptr, make_shared<Thread::Settings>(test_stack.data(), test_stack.size()));
}

void* TestThread(void* arguments)
{
    // Wrapper for creating a semaphore
    Semaphore sem;
    sem.wait();

    return nullptr;
}