Only enable the bus when needed
This commit is contained in:
parent
baa7e1bf12
commit
2194a339cf
2 changed files with 4 additions and 11 deletions
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@ -72,8 +72,10 @@ void TwiMaster::Init() {
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TwiMaster::ErrorCodes TwiMaster::Read(uint8_t deviceAddress, uint8_t registerAddress, uint8_t* data, size_t size) {
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xSemaphoreTake(mutex, portMAX_DELAY);
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Wakeup();
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auto ret = Write(deviceAddress, ®isterAddress, 1, false);
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ret = Read(deviceAddress, data, size, true);
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Sleep();
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xSemaphoreGive(mutex);
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return ret;
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}
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@ -81,9 +83,11 @@ TwiMaster::ErrorCodes TwiMaster::Read(uint8_t deviceAddress, uint8_t registerAdd
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TwiMaster::ErrorCodes TwiMaster::Write(uint8_t deviceAddress, uint8_t registerAddress, const uint8_t* data, size_t size) {
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ASSERT(size <= maxDataSize);
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xSemaphoreTake(mutex, portMAX_DELAY);
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Wakeup();
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internalBuffer[0] = registerAddress;
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std::memcpy(internalBuffer + 1, data, size);
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auto ret = Write(deviceAddress, internalBuffer, size + 1, true);
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Sleep();
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xSemaphoreGive(mutex);
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return ret;
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}
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@ -179,13 +183,11 @@ void TwiMaster::Sleep() {
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}
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nrf_gpio_cfg_default(6);
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nrf_gpio_cfg_default(7);
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NRF_LOG_INFO("[TWIMASTER] Sleep");
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}
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void TwiMaster::Wakeup() {
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ConfigurePins();
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twiBaseAddress->ENABLE = (TWIM_ENABLE_ENABLE_Enabled << TWIM_ENABLE_ENABLE_Pos);
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NRF_LOG_INFO("[TWIMASTER] Wakeup");
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}
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/* Sometimes, the TWIM device just freeze and never set the event EVENTS_LASTTX.
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@ -219,7 +219,6 @@ void SystemTask::Work() {
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break;
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case Messages::GoToRunning:
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spi.Wakeup();
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twiMaster.Wakeup();
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// Double Tap needs the touch screen to be in normal mode
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if (!settingsController.isWakeUpModeOn(Pinetime::Controllers::Settings::WakeUpMode::DoubleTap)) {
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@ -240,9 +239,7 @@ void SystemTask::Work() {
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isDimmed = false;
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break;
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case Messages::TouchWakeUp: {
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twiMaster.Wakeup();
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auto touchInfo = touchPanel.GetTouchInfo();
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twiMaster.Sleep();
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if (touchInfo.isTouch and ((touchInfo.gesture == Pinetime::Drivers::Cst816S::Gestures::DoubleTap and
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settingsController.isWakeUpModeOn(Pinetime::Controllers::Settings::WakeUpMode::DoubleTap)) or
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(touchInfo.gesture == Pinetime::Drivers::Cst816S::Gestures::SingleTap and
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@ -315,7 +312,6 @@ void SystemTask::Work() {
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if (!settingsController.isWakeUpModeOn(Pinetime::Controllers::Settings::WakeUpMode::DoubleTap)) {
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touchPanel.Sleep();
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}
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twiMaster.Sleep();
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isSleeping = true;
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isGoingToSleep = false;
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@ -367,17 +363,12 @@ void SystemTask::UpdateMotion() {
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if (isSleeping && !settingsController.isWakeUpModeOn(Pinetime::Controllers::Settings::WakeUpMode::RaiseWrist))
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return;
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if (isSleeping)
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twiMaster.Wakeup();
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if (stepCounterMustBeReset) {
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motionSensor.ResetStepCounter();
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stepCounterMustBeReset = false;
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}
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auto motionValues = motionSensor.Process();
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if (isSleeping)
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twiMaster.Sleep();
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motionController.IsSensorOk(motionSensor.IsOk());
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motionController.Update(motionValues.x, motionValues.y, motionValues.z, motionValues.steps);
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