Added a new function to the watch peripherals API to vibrate the watch with a custom pattern

src/W800_SDK_v1.00.10/app/app_drivers/watch_peripherals/watch_peripherals.c

@@ -21,6 +21,19 @@ static int8_t _adc_offset = 0;
 
 /* Vibration motor timer */
 static uint8_t _vibration_motor_timer_id = WM_TIMER_ID_INVALID;
+static uint8_t _vibration_strength = 0;
+
+static struct vibration_pattern_conf
+{
+    uint16_t vibration_pattern[VIBRATION_PATTERN_SLOTS];
+    uint8_t vibration_pattern_index; 
+    bool vibration_pattern_mode;
+} _vibration_pattern_conf = 
+{
+    .vibration_pattern = {0}, /* Used to store the pattern itself */
+    .vibration_pattern_index = 0, /* Used to iterate over the array */
+    .vibration_pattern_mode = false, /* Value used by the timer callback to know if we are in pattern mode */
+}; 
 
 /* Battery charge controller status */
 static battery_controller_status_e _battery_fsm = BATTERY_CONTROLLER_STATUS_DISCHARGING;
@@ -50,9 +63,40 @@ struct
 static void vibration_motor_timer_irq_cb(void *p)
 {
     (void)p;
-    tls_pwm_stop(VIBRATION_MOTOR_PWM_CHANNEL);
+
-    tls_gpio_cfg(VIBRATION_MOTOR_ENABLE, WM_GPIO_DIR_OUTPUT, WM_GPIO_ATTR_FLOATING);
+    if(!_vibration_pattern_conf.vibration_pattern_mode)
-    tls_gpio_write(VIBRATION_MOTOR_ENABLE, 0);
+    {
+        tls_pwm_stop(VIBRATION_MOTOR_PWM_CHANNEL);
+        tls_gpio_cfg(VIBRATION_MOTOR_ENABLE, WM_GPIO_DIR_OUTPUT, WM_GPIO_ATTR_FLOATING);
+        tls_gpio_write(VIBRATION_MOTOR_ENABLE, 0);
+    }
+    else
+    {
+        /* Depending on the index, we may turn the vibration on or off */
+        if(++_vibration_pattern_conf.vibration_pattern_index % 2 != 0) /* Odd indexes */
+        {
+            tls_pwm_stop(VIBRATION_MOTOR_PWM_CHANNEL);
+            tls_gpio_cfg(VIBRATION_MOTOR_ENABLE, WM_GPIO_DIR_OUTPUT, WM_GPIO_ATTR_FLOATING);
+            tls_gpio_write(VIBRATION_MOTOR_ENABLE, 0);
+        }
+        else if(_vibration_pattern_conf.vibration_pattern[_vibration_pattern_conf.vibration_pattern_index]) /* We turn the vibration back on */
+        {
+            wm_pwm0_config(VIBRATION_MOTOR_ENABLE);
+            tls_pwm_init(VIBRATION_MOTOR_PWM_CHANNEL, 10000, 0, 0);
+            tls_pwm_duty_set(VIBRATION_MOTOR_PWM_CHANNEL, _vibration_strength);
+        }
+
+        /* If we are reaching the end of the pattern array, or the current pattern has a length of 0 (meaning the end), exit the function */
+        if(_vibration_pattern_conf.vibration_pattern_index >= VIBRATION_PATTERN_SLOTS - 1 || !_vibration_pattern_conf.vibration_pattern[_vibration_pattern_conf.vibration_pattern_index])
+        {
+            _vibration_pattern_conf.vibration_pattern_index = 0;
+            return;
+        }
+
+        /* We rearm the timer for the next call */
+        tls_timer_change(_vibration_motor_timer_id, _vibration_pattern_conf.vibration_pattern[_vibration_pattern_conf.vibration_pattern_index]);
+        tls_timer_start(_vibration_motor_timer_id);
+    }    
 }
 
 #if BATTERY_CONTROLLER_STATUS_DETECTION_POLICY == POLL_POLICY && HARDWARE_PLATFORM == SMART_WATCH_PCB
@@ -295,6 +339,10 @@ void watch_peripherals_vibrate(uint8_t strength, uint32_t durationMs)
 {
     /* No need to do anything if the duration is 0 or if the strength is 0 */
     if(!strength || !durationMs) return;
+
+    /* We indicate that we are not working in vibration pattern mode */
+    _vibration_pattern_conf.vibration_pattern_mode = false;
+
     /* We start the timer which will stop the vibration after durationMs time */
     tls_timer_change(_vibration_motor_timer_id, durationMs);
     wm_pwm0_config(VIBRATION_MOTOR_ENABLE);
@@ -303,6 +351,29 @@ void watch_peripherals_vibrate(uint8_t strength, uint32_t durationMs)
     tls_timer_start(_vibration_motor_timer_id);
 }
 
+void watch_peripherals_vibrate_with_pattern(uint8_t strength, uint16_t pattern[VIBRATION_PATTERN_SLOTS])
+{
+    if(!pattern || !strength) return;
+    if(!pattern[0]) return;
+
+    /* We indicate that we are working in vibration pattern mode */
+    _vibration_pattern_conf.vibration_pattern_mode = true;
+
+    /* First we copy the provided pattern in our local array */
+    memcpy(_vibration_pattern_conf.vibration_pattern, pattern, sizeof _vibration_pattern_conf.vibration_pattern);
+    /* We reset the iterator index */
+    _vibration_pattern_conf.vibration_pattern_index = 0;
+    _vibration_strength = strength;
+    /* We start the timer and the vibration */
+    tls_timer_change(_vibration_motor_timer_id, _vibration_pattern_conf.vibration_pattern[_vibration_pattern_conf.vibration_pattern_index]);
+    
+    wm_pwm0_config(VIBRATION_MOTOR_ENABLE);
+    tls_pwm_init(VIBRATION_MOTOR_PWM_CHANNEL, 10000, 0, 0);
+    tls_pwm_duty_set(VIBRATION_MOTOR_PWM_CHANNEL, strength);
+
+    tls_timer_start(_vibration_motor_timer_id);
+}
+
 void watch_peripherals_set_brightness(uint8_t brightness)
 {
     extern LCDConfig_t LCDConfig;

src/W800_SDK_v1.00.10/app/app_drivers/watch_peripherals/watch_peripherals.h

@@ -8,6 +8,8 @@
 #include "wm_type_def.h"
 #include "QMC5883L.h"
 
+#define VIBRATION_PATTERN_SLOTS (8)
+
 typedef enum battery_unit
 {
     battery_unit_mv = 0,
@@ -83,6 +85,15 @@ battery_controller_status_e watch_peripherals_get_battery_controller_status(void
  */
 void watch_peripherals_vibrate(uint8_t strength, uint32_t durationMs);
 
+/**
+ * @brief Triggers the vibration motor to vibrate with the specified pattern.
+ * 
+ * @param strength the vibration strength from 0 to 255 (the same is used for every vibrations)
+ * @param pattern the vibration pattern :  a pointer to an array of size @ref VIBRATION_PATTERN_SLOTS.
+ *                The first duration is the on duration, the second is the off duration and so on.
+ */
+void watch_peripherals_vibrate_with_pattern(uint8_t strength, uint16_t pattern[VIBRATION_PATTERN_SLOTS]);
+
 /**
  * @brief Sets the brightness of the LCD display
  *