From c92fdb2e8cec3c581124c5efcfb5297ac4cfdcb5 Mon Sep 17 00:00:00 2001
From: Michele Bini <michele.bini@gmail.com>
Date: Sat, 16 Apr 2022 00:54:15 +0200
Subject: Switch motorController to FreeRTOS timers.


diff --git a/src/components/motor/MotorController.cpp b/src/components/motor/MotorController.cpp
index c794a02..a02c037 100644
--- a/src/components/motor/MotorController.cpp
+++ b/src/components/motor/MotorController.cpp
@@ -12,32 +12,39 @@ using namespace Pinetime::Controllers;
 void MotorController::Init() {
   nrf_gpio_cfg_output(PinMap::Motor);
   nrf_gpio_pin_set(PinMap::Motor);
-  app_timer_init();
 
-  app_timer_create(&shortVibTimer, APP_TIMER_MODE_SINGLE_SHOT, StopMotor);
-  app_timer_create(&longVibTimer, APP_TIMER_MODE_REPEATED, Ring);
+  shortVibTimer = xTimerCreate("shortVibTm", 1, pdFALSE, nullptr, StopMotor);
+  longVibTimer = xTimerCreate("longVibTm", pdMS_TO_TICKS(1000), pdTRUE, this, Ring);
 }
 
-void MotorController::Ring(void* p_context) {
-  auto* motorController = static_cast<MotorController*>(p_context);
+void MotorController::Ring(TimerHandle_t xTimer) {
+  auto motorController = static_cast<MotorController*>(pvTimerGetTimerID(xTimer));
   motorController->RunForDuration(50);
 }
 
 void MotorController::RunForDuration(uint8_t motorDuration) {
   nrf_gpio_pin_clear(PinMap::Motor);
-  app_timer_start(shortVibTimer, APP_TIMER_TICKS(motorDuration), nullptr);
+  if (xTimerChangePeriod(shortVibTimer, pdMS_TO_TICKS(motorDuration), 0) == pdPASS
+    && xTimerStart(shortVibTimer, 0) == pdPASS) {
+    return;
+  }
+  if (xTimerChangePeriodFromISR(shortVibTimer, pdMS_TO_TICKS(motorDuration), NULL) == pdPASS
+    && xTimerStartFromISR(shortVibTimer, NULL) == pdPASS) {
+    return;
+  }
+  nrf_gpio_pin_set(PinMap::Motor);
 }
 
 void MotorController::StartRinging() {
   Ring(this);
-  app_timer_start(longVibTimer, APP_TIMER_TICKS(1000), this);
+  xTimerStart(longVibTimer, 0);
 }
 
 void MotorController::StopRinging() {
-  app_timer_stop(longVibTimer);
+  xTimerStop(longVibTimer, 0);
   nrf_gpio_pin_set(PinMap::Motor);
 }
 
-void MotorController::StopMotor(void* p_context) {
+void MotorController::StopMotor(TimerHandle_t xTimer) {
   nrf_gpio_pin_set(PinMap::Motor);
 }
diff --git a/src/components/motor/MotorController.h b/src/components/motor/MotorController.h
index b5a592b..3c6cbd2 100644
--- a/src/components/motor/MotorController.h
+++ b/src/components/motor/MotorController.h
@@ -1,5 +1,7 @@
 #pragma once
 
+#include <FreeRTOS.h>
+#include <timers.h>
 #include <cstdint>
 
 namespace Pinetime {
@@ -15,8 +17,10 @@ namespace Pinetime {
       void StopRinging();
 
     private:
-      static void Ring(void* p_context);
-      static void StopMotor(void* p_context);
+      static void Ring(TimerHandle_t xTimer);
+      static void StopMotor(TimerHandle_t xTimer);
+      TimerHandle_t shortVibTimer;
+      TimerHandle_t longVibTimer;
     };
   }
 }
-- 
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