WIP simple C-based library for hacking on the watch

Smol Watch Project/My Project/watch-library/watch.c

@@ -0,0 +1,98 @@
+/*
+ * watch.c
+ *
+ * Created: 4/25/2021 10:22:10 AM
+ *  Author: joeycastillo
+ */ 
+
+#include "watch.h"
+#include "driver_init.h"
+
+void watch_init(Watch *watch) {
+}
+
+void watch_enable_led() {
+	PWM_0_init();
+	pwm_set_parameters(&PWM_0, 10000, 0);
+	pwm_enable(&PWM_0);
+}
+
+void watch_disable_led() {
+	gpio_set_pin_function(RED, GPIO_PIN_FUNCTION_OFF);
+	gpio_set_pin_function(GREEN, GPIO_PIN_FUNCTION_OFF);
+
+	pwm_disable(&PWM_0);
+}
+
+void watch_set_led_color(uint16_t red, uint16_t green) {
+	TC3->COUNT16.CC[0].reg = red;
+	TC3->COUNT16.CC[1].reg = green;
+}
+
+void watch_set_led_red() {
+	watch_set_led_color(65535, 0);
+}
+
+void watch_set_led_green() {
+	watch_set_led_color(0, 65535);
+}
+
+void watch_enable_date_time() {
+	CALENDAR_0_init();
+	calendar_enable(&CALENDAR_0);
+}
+
+void watch_set_date_time(struct calendar_date_time date_time) {
+	calendar_set_date(&CALENDAR_0, &date_time.date);
+	calendar_set_time(&CALENDAR_0, &date_time.time);
+}
+
+void watch_get_date_time(struct calendar_date_time *date_time) {
+	calendar_get_date_time(&CALENDAR_0, date_time);
+}
+
+void watch_enable_analog(const uint8_t pin) {
+	ADC_0_init(); // todo: only call this once
+	switch (pin) {
+		case A0:
+		gpio_set_pin_function(A0, PINMUX_PB04B_ADC_AIN12);
+		break;
+		case A1:
+		gpio_set_pin_function(A1, PINMUX_PB01B_ADC_AIN9);
+		break;
+		case A2:
+		gpio_set_pin_function(A2, PINMUX_PB02B_ADC_AIN10);
+		break;
+		default:
+		return;
+	}
+	gpio_set_pin_direction(pin, GPIO_DIRECTION_OFF);
+}
+
+void watch_enable_digital_input(const uint8_t pin) {
+	gpio_set_pin_direction(pin, GPIO_DIRECTION_IN);
+	gpio_set_pin_function(pin, GPIO_PIN_FUNCTION_OFF);
+}
+
+void watch_enable_digital_output(const uint8_t pin) {
+	gpio_set_pin_direction(pin, GPIO_DIRECTION_OUT);
+	gpio_set_pin_function(pin, GPIO_PIN_FUNCTION_OFF);
+}
+
+struct io_descriptor *I2C_0_io;
+
+void watch_enable_i2c() {
+	I2C_0_init();
+	i2c_m_sync_get_io_descriptor(&I2C_0, &I2C_0_io);
+	i2c_m_sync_enable(&I2C_0);
+}
+
+void watch_i2c_send(int16_t addr, uint8_t *buf, uint16_t length) {
+	i2c_m_sync_set_slaveaddr(&I2C_0, addr, I2C_M_SEVEN);
+	io_write(I2C_0_io, buf, length);
+}
+
+void watch_i2c_receive(int16_t addr, uint8_t *buf, uint16_t length) {
+	i2c_m_sync_set_slaveaddr(&I2C_0, addr, I2C_M_SEVEN);
+	io_read(I2C_0_io, buf, length);
+}

Smol Watch Project/My Project/watch-library/watch.h

@@ -0,0 +1,48 @@
+/*
+ * Watch.h
+ *
+ * Created: 4/25/2021 8:29:16 AM
+ *  Author: joeycastillo
+ */ 
+
+
+#ifndef WATCH_H_
+#define WATCH_H_
+#include <stdint.h>
+#include "hpl_calendar.h"
+
+#define WATCH_NUM_DISPLAYS (3)
+
+struct WatchDisplay {
+	uint8_t num_chars;
+	uint8_t* chars;
+};
+
+typedef struct Watch {
+	struct WatchDisplay displays[WATCH_NUM_DISPLAYS];
+} Watch;
+
+void watch_init(Watch *watch);
+
+void watch_enable_led();
+void watch_disable_led();
+void watch_set_led_color(uint16_t red, uint16_t green);
+void watch_set_led_red();
+void watch_set_led_green();
+
+void watch_enable_date_time();
+void watch_set_date_time(struct calendar_date_time date_time);
+void watch_get_date_time(struct calendar_date_time *date_time);
+
+void watch_enable_analog(const uint8_t pin);
+
+void watch_enable_digital_input(const uint8_t pin);
+void watch_enable_digital_output(const uint8_t pin);
+
+struct io_descriptor *I2C_0_io;
+
+void watch_enable_i2c();
+void watch_i2c_send(int16_t addr, uint8_t *buf, uint16_t length);
+void watch_i2c_receive(int16_t addr, uint8_t *buf, uint16_t length);
+
+#endif /* WATCH_H_ */