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make watch abstraction global, add methods and documentation

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This commit is contained in:
Joey Castillo
2021-05-21 14:56:30 -07:00
parent b358e76047
commit ac3677fb61
5 changed files with 163 additions and 72 deletions
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129
Smol Watch Project/My Project/watch-library/watch.c
View File

@@ -10,8 +10,11 @@
#include <stdlib.h>
#include <string.h>
void watch_init(Watch *watch) {
memset(watch, 0, sizeof(*watch));
Watch watch;
struct io_descriptor *I2C_0_io;
void watch_init() {
memset(&watch, 0, sizeof(watch));
// use switching regulator
SUPC->VREG.bit.SEL = 1;
while(!SUPC->STATUS.bit.VREGRDY);
@@ -20,6 +23,52 @@ void watch_init(Watch *watch) {
// hri_pm_write_PLCFG_PLDIS_bit(PM, true);
}
bool watch_is_display_enabled() {
return watch.display_enabled;
}
bool watch_is_led_enabled() {
return watch.led_enabled;
}
bool watch_is_buzzer_enabled() {
return watch.buzzer_enabled;
}
bool watch_is_calendar_enabled() {
return watch.calendar_enabled;
}
bool watch_is_adc_enabled() {
return watch.adc_enabled;
}
bool watch_is_i2c_enabled() {
return watch.i2c_enabled;
}
bool watch_is_spi_enabled() {
return watch.spi_enabled;
}
bool watch_is_eic_enabled() {
return watch.eic_enabled;
}
bool watch_can_enter_standby() {
return !watch.led_enabled && !watch.buzzer_enabled && (watch.eic_enabled || watch.calendar_enabled);
}
bool watch_can_enter_backup() {
return watch.calendar_enabled;
}
const uint8_t Character_Set[] =
{
0b00000000, //
@@ -119,39 +168,39 @@ const uint8_t Character_Set[] =
0b00000001, // ~
};
void watch_enable_display(Watch *watch) {
if (watch->display_enabled) return;
void watch_enable_display() {
if (watch.display_enabled) return;
static const uint64_t segmap[] = {
0x4e4f0e8e8f8d4d0d, // Position 8
0xc8c4c4c8b4b4b0b, // Position 9
0xc049c00a49890949, // Position 6
0xc048088886874707, // Position 7
0xc053921252139352, // Position 0
0x4e4f0e8e8f8d4d0d, // Top center position 0
0xc8c4c4c8b4b4b0b, // Top center position 1
0xc049c00a49890949, // Top right position 0
0xc048088886874707, // Top right position 1
0xc053921252139352, // Main display position 0
0xc054511415559594, // Position 1
0xc057965616179716, // Position 2
0xc041804000018a81, // Position 3
0xc043420203048382, // Position 4
0xc045440506468584, // Position 5
};
watch->num_chars = 10;
watch->segment_map = &segmap[0];
watch.num_chars = 10;
watch.segment_map = &segmap[0];
SEGMENT_LCD_0_init();
slcd_sync_enable(&SEGMENT_LCD_0);
watch->display_enabled = true;
watch.display_enabled = true;
}
void watch_display_pixel(Watch *watch, uint8_t com, uint8_t seg) {
void watch_display_pixel(uint8_t com, uint8_t seg) {
slcd_sync_seg_on(&SEGMENT_LCD_0, SLCD_SEGID(com, seg));
}
void watch_clear_pixel(Watch *watch, uint8_t com, uint8_t seg) {
void watch_clear_pixel(uint8_t com, uint8_t seg) {
slcd_sync_seg_off(&SEGMENT_LCD_0, SLCD_SEGID(com, seg));
}
void watch_display_character(Watch *watch, uint8_t character, uint8_t position) {
uint64_t segmap = watch->segment_map[position];
void watch_display_character(uint8_t character, uint8_t position) {
uint64_t segmap = watch.segment_map[position];
uint64_t segdata = Character_Set[character - 0x20];
for (int i = 0; i < 8; i++) {
@@ -170,25 +219,25 @@ void watch_display_character(Watch *watch, uint8_t character, uint8_t position)
}
}
void watch_display_string(Watch *watch, char *string, uint8_t position) {
void watch_display_string(char *string, uint8_t position) {
size_t i = 0;
while(string[i] != 0) {
watch_display_character(watch, string[i], position + i);
watch_display_character(string[i], position + i);
i++;
if (i >= watch->num_chars) break;
if (i >= watch.num_chars) break;
}
}
void watch_enable_buttons(Watch *watch) {
void watch_enable_buttons() {
EXTERNAL_IRQ_0_init();
}
void watch_register_button_callback(Watch *watch, const uint32_t pin, ext_irq_cb_t callback) {
void watch_register_button_callback(const uint32_t pin, ext_irq_cb_t callback) {
ext_irq_register(pin, callback);
}
void watch_enable_led(Watch *watch) {
if (watch->led_enabled) return;
void watch_enable_led() {
if (watch.led_enabled) return;
PWM_0_CLOCK_init();
PWM_0_PORT_init();
@@ -199,12 +248,12 @@ void watch_enable_led(Watch *watch) {
TC3->COUNT8.WAVE.reg = TC_WAVE_WAVEGEN_NPWM;
TC3->COUNT8.CTRLA.reg |= TC_CTRLA_ENABLE;
watch->led_enabled = true;
watch.led_enabled = true;
watch_set_led_off();
}
void watch_disable_led(Watch *watch) {
if (!watch->led_enabled) return;
void watch_disable_led() {
if (!watch.led_enabled) return;
gpio_set_pin_function(RED, GPIO_PIN_FUNCTION_OFF);
gpio_set_pin_function(GREEN, GPIO_PIN_FUNCTION_OFF);
@@ -212,7 +261,7 @@ void watch_disable_led(Watch *watch) {
hri_tc_clear_CTRLA_ENABLE_bit(TC3);
hri_mclk_clear_APBCMASK_TC3_bit(MCLK);
watch->led_enabled = false;
watch.led_enabled = false;
}
void watch_set_led_color(uint8_t red, uint8_t green) {
@@ -221,23 +270,31 @@ void watch_set_led_color(uint8_t red, uint8_t green) {
}
void watch_set_led_red() {
watch_set_led_color(255, 0);
watch_set_led_color(64, 0);
}
void watch_set_led_green() {
watch_set_led_color(0, 255);
watch_set_led_color(0, 64);
}
void watch_set_led_off() {
watch_set_led_color(0, 0);
}
void watch_enable_date_time(Watch *watch) {
if (watch->calendar_enabled) return;
void watch_enable_buzzer() {
PWM_1_init();
}
void watch_disable_buzzer() {
// TODO
}
void watch_enable_date_time() {
if (watch.calendar_enabled) return;
CALENDAR_0_init();
calendar_enable(&CALENDAR_0);
watch->calendar_enabled = true;
watch.calendar_enabled = true;
}
void watch_set_date_time(struct calendar_date_time date_time) {
@@ -261,8 +318,8 @@ void watch_enable_tick(ext_irq_cb_t callback) {
_tamper_register_callback(&CALENDAR_0.device, &tick_callback);
}
void watch_enable_analog(Watch *watch, const uint8_t pin) {
if (!watch->adc_enabled) ADC_0_init();
void watch_enable_analog(const uint8_t pin) {
if (!watch.adc_enabled) ADC_0_init();
switch (pin) {
case A0:
@@ -292,8 +349,8 @@ void watch_enable_digital_output(const uint8_t pin) {
struct io_descriptor *I2C_0_io;
void watch_enable_i2c(Watch *watch) {
if (watch->i2c_enabled) return;
void watch_enable_i2c() {
if (watch.i2c_enabled) return;
I2C_0_init();
i2c_m_sync_get_io_descriptor(&I2C_0, &I2C_0_io);
i2c_m_sync_enable(&I2C_0);

66
Smol Watch Project/My Project/watch-library/watch.h
View File

@@ -26,36 +26,72 @@ typedef struct Watch {
const uint64_t* segment_map;
} Watch;
void watch_init(Watch *watch);
// initialize the Watch struct, set power options and global settings
void watch_init();
void watch_enable_display(Watch *watch);
void watch_display_pixel(Watch *watch, uint8_t com, uint8_t seg);
void watch_display_string(Watch *watch, char *string, uint8_t position);
// getters for figuring out if functionality is enabled
bool watch_is_display_enabled();
bool watch_is_led_enabled();
bool watch_is_buzzer_enabled();
bool watch_is_calendar_enabled();
bool watch_is_adc_enabled();
bool watch_is_i2c_enabled();
bool watch_is_spi_enabled();
bool watch_is_eic_enabled();
void watch_enable_led(Watch *watch);
void watch_disable_led(Watch *watch);
// the watch can standby as long as there are no PWM's active and either the RTC or the EIC is active.
bool watch_can_enter_standby();
// the watch can enter deep sleep as long as the RTC is enabled (so we have a wake source)
bool watch_can_enter_backup();
// display-oriented methods
void watch_enable_display();
void watch_display_pixel(uint8_t com, uint8_t seg);
void watch_display_string(char *string, uint8_t position);
// LED-oriented methods
// enable the TC for PWM of the LED's, including the clock source and pin mux
void watch_enable_led();
// disable the TC's clock source and assign the LED pins no function. Call this before re-entering standby.
void watch_disable_led();
// sets the LED color to some combination of red and green.
void watch_set_led_color(uint8_t red, uint8_t green);
// sets the red LED to an indicator level of brightness (may not make the screen readable in the dark)
void watch_set_led_red();
// sets the green LED to an indicator level of brightness (may not make the screen readable in the dark)
void watch_set_led_green();
// sets both red and green LEDs to 0% intensity (but does not disable the TC).
void watch_set_led_off();
void watch_enable_date_time(Watch *watch);
void watch_set_date_time(struct calendar_date_time date_time);
void watch_get_date_time(struct calendar_date_time *date_time);
// buzzer
void watch_enable_buzzer();
void watch_disable_buzzer();
// calendar, RTC and external wake functions
// enable the RTC peripheral
void watch_enable_date_time();
// set the date and time
void watch_set_date_time(struct calendar_date_time date_time);
// get the date and time from the RTC
void watch_get_date_time(struct calendar_date_time *date_time);
// enable a one-second tick callback from the RTC.
void watch_enable_tick(ext_irq_cb_t callback);
void watch_enable_analog(Watch *watch, const uint8_t pin);
// analog-related functions
void watch_enable_analog(const uint8_t pin);
void watch_enable_buttons(Watch *watch);
void watch_register_button_callback(Watch *watch, const uint32_t pin, ext_irq_cb_t callback);
// external interrupt functions (todo: rename for clarity)
void watch_enable_buttons();
// enable external interrupt callback for a given pin
void watch_register_button_callback(const uint32_t pin, ext_irq_cb_t callback);
// digital IO functions
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(Watch *watch);
// I2C functions
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);