From eb2c26d85f1c39e3bbd1c2ab4a12d2421534e292 Mon Sep 17 00:00:00 2001
From: Th3maz1ng <re.hertz@laposte.net>
Date: Sun, 15 Jan 2023 20:36:32 +0100
Subject: [PATCH] Added new folder/module containing the API to interract with
 some of the watch feature like measuring the battery voltage or activating
 the vibration motor

---
 .../app_drivers/watch_peripherals/Makefile    | 15 ++++
 .../watch_peripherals/watch_peripherals.c     | 77 +++++++++++++++++++
 .../watch_peripherals/watch_peripherals.h     | 19 +++++
 3 files changed, 111 insertions(+)
 create mode 100644 src/W800 SDK v1.00.08/app/app_drivers/watch_peripherals/Makefile
 create mode 100644 src/W800 SDK v1.00.08/app/app_drivers/watch_peripherals/watch_peripherals.c
 create mode 100644 src/W800 SDK v1.00.08/app/app_drivers/watch_peripherals/watch_peripherals.h

diff --git a/src/W800 SDK v1.00.08/app/app_drivers/watch_peripherals/Makefile b/src/W800 SDK v1.00.08/app/app_drivers/watch_peripherals/Makefile
new file mode 100644
index 0000000..4477528
--- /dev/null
+++ b/src/W800 SDK v1.00.08/app/app_drivers/watch_peripherals/Makefile	
@@ -0,0 +1,15 @@
+TOP_DIR = ../../..
+sinclude $(TOP_DIR)/tools/w800/conf.mk
+
+ifndef PDIR
+GEN_LIBS = libappdriverswatch_peripherals$(LIB_EXT)
+endif
+
+#DEFINES +=
+
+sinclude $(TOP_DIR)/tools/w800/rules.mk
+
+INCLUDES := $(INCLUDES) -I $(PDIR)include
+
+PDIR := ../$(PDIR)
+sinclude $(PDIR)Makefile
\ No newline at end of file
diff --git a/src/W800 SDK v1.00.08/app/app_drivers/watch_peripherals/watch_peripherals.c b/src/W800 SDK v1.00.08/app/app_drivers/watch_peripherals/watch_peripherals.c
new file mode 100644
index 0000000..faa784e
--- /dev/null
+++ b/src/W800 SDK v1.00.08/app/app_drivers/watch_peripherals/watch_peripherals.c	
@@ -0,0 +1,77 @@
+#include "watch_peripherals.h"
+#include "app_config.h"
+#include "app_log.h"
+#include "wm_gpio_afsel.h"
+#include "wm_adc.h"
+#include "wm_timer.h"
+#include "wm_pwm.h"
+
+
+static uint8_t _adc_offset = 0;
+static uint8_t _vibration_motor_timer_id = WM_TIMER_ID_INVALID;
+
+static void vibration_motor_timer_irq_cb(void *p)
+{
+    (void)p;
+    //tls_gpio_write(VIBRATION_MOTOR_ENABLE, 0);
+    tls_pwm_stop(3);
+    tls_gpio_cfg(VIBRATION_MOTOR_ENABLE, WM_GPIO_DIR_OUTPUT, WM_GPIO_ATTR_FLOATING);
+    tls_gpio_write(VIBRATION_MOTOR_ENABLE, 0);
+    APP_LOG_DEBUG("Vibration stopped");
+}
+
+void watch_peripherals_io_init(void)
+{
+    /* We initialize the ADC input as well as the gpio used to enabled the voltage divider bridge */
+    wm_adc_config(BATTERY_VOLTAGE_ADC_CHANNEL);
+    tls_gpio_cfg(BATTERY_VOLTAGE_DIVIDER_ENABLE, WM_GPIO_DIR_OUTPUT, WM_GPIO_ATTR_FLOATING);
+    tls_gpio_write(BATTERY_VOLTAGE_DIVIDER_ENABLE, 0);
+
+    /* We initialize the output pin for the vibration motor enable pin */
+    /*tls_gpio_cfg(VIBRATION_MOTOR_ENABLE, WM_GPIO_DIR_OUTPUT, WM_GPIO_ATTR_FLOATING);
+    tls_gpio_write(VIBRATION_MOTOR_ENABLE, 0);*/
+}
+
+void watch_peripherals_init(uint8_t adcOffset)
+{
+    watch_peripherals_io_init();
+    _adc_offset = adcOffset;
+
+    /* Prevent multiple init call !*/
+    if(WM_TIMER_ID_INVALID == _vibration_motor_timer_id)
+    {
+        /* Let's initialize the timer w'll use to stop the vibration motor */
+        struct tls_timer_cfg vibration_motor_timer_cfg = 
+        {
+            .arg = NULL,
+            .callback = &(vibration_motor_timer_irq_cb),
+            .unit = TLS_TIMER_UNIT_MS,
+            .is_repeat = false,
+            .timeout = 0
+        };
+        _vibration_motor_timer_id = tls_timer_create(&vibration_motor_timer_cfg);
+        
+        if(WM_TIMER_ID_INVALID == _vibration_motor_timer_id)
+            APP_LOG_ERROR("Failed to create timer");
+    }
+}
+
+uint16_t watch_peripherals_get_battery_voltage(void)
+{
+    tls_gpio_write(BATTERY_VOLTAGE_DIVIDER_ENABLE, 1);
+    int batteryVoltage = adc_get_inputVolt(BATTERY_VOLTAGE_ADC_CHANNEL, 1, 1) * 2 + _adc_offset;
+    tls_gpio_write(BATTERY_VOLTAGE_DIVIDER_ENABLE, 0);
+    return batteryVoltage < 0 ? 0 : batteryVoltage;
+}
+
+void watch_peripherals_vibrate(uint8_t strength, uint32_t durationMs)
+{
+    APP_LOG_DEBUG("Vibration started");
+    /* We start the timer which will stop the vibration after durationMs time */
+    tls_timer_change(_vibration_motor_timer_id, durationMs);
+    //tls_gpio_write(VIBRATION_MOTOR_ENABLE, 1);
+    wm_pwm3_config(VIBRATION_MOTOR_ENABLE);
+    tls_pwm_init(3, 10000, 0, 0);
+    tls_pwm_duty_set(3, strength);
+    tls_timer_start(_vibration_motor_timer_id);
+}
diff --git a/src/W800 SDK v1.00.08/app/app_drivers/watch_peripherals/watch_peripherals.h b/src/W800 SDK v1.00.08/app/app_drivers/watch_peripherals/watch_peripherals.h
new file mode 100644
index 0000000..e3eaff9
--- /dev/null
+++ b/src/W800 SDK v1.00.08/app/app_drivers/watch_peripherals/watch_peripherals.h	
@@ -0,0 +1,19 @@
+/**
+ * Declares various functions to interract with some of the watch's
+ * peripherals like : reading the battery voltage, using the vibration motor etc.
+ */
+#ifndef WATCH_PERIPHERALS_H
+#define WATCH_PERIPHERALS_H
+#include "wm_type_def.h"
+
+void watch_peripherals_io_init(void);
+
+void watch_peripherals_init(uint8_t adcOffset);
+
+uint16_t watch_peripherals_get_battery_voltage(void);
+
+uint8_t watch_peripherals_battery_voltage_to_level(uint16_t voltage);
+
+void watch_peripherals_vibrate(uint8_t strength, uint32_t durationMs);
+
+#endif //WATCH_PERIPHERALS_H
\ No newline at end of file