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barebones 'hello world' project

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This commit is contained in:
Joey Castillo 2021-08-02 13:36:53 -04:00
parent 7e330befff
commit 2d1e2e8c76
6 changed files with 400 additions and 453 deletions
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175
Sensor Watch Starter Project/app/app.c
View File

@ -7,129 +7,30 @@ void uart_putc(char c);
void uart_puts(char *s); void uart_puts(char *s);
typedef enum ApplicationMode { typedef enum ApplicationMode {
MODE_TIME, MODE_HELLO = 0,
MODE_SENSE, MODE_THERE
MODE_SET_HOUR,
MODE_SET_MINUTE,
MODE_SET_SECOND
} ApplicationMode; } ApplicationMode;
typedef enum LightColor {
COLOR_OFF = 0,
COLOR_RED = 1,
COLOR_GREEN = 2,
COLOR_YELLOW = 3
} LightColor;
typedef struct ApplicationState { typedef struct ApplicationState {
ApplicationMode mode; ApplicationMode mode;
bool light_pressed; LightColor color;
bool mode_pressed;
bool alarm_pressed;
bool light_on;
uint16_t dig_T1; /**< dig_T1 cal register. */
int16_t dig_T2; /**< dig_T2 cal register. */
int16_t dig_T3; /**< dig_T3 cal register. */
} ApplicationState; } ApplicationState;
ApplicationState applicationState; ApplicationState applicationState;
void cb_light_pressed() { void cb_light_pressed() {
applicationState.light_pressed = true; applicationState.color = (applicationState.color + 1) % 4;
} }
void cb_mode_pressed() { void cb_mode_pressed() {
applicationState.mode_pressed = true; applicationState.mode = (applicationState.mode + 1) % 2;
}
void cb_alarm_pressed() {
applicationState.alarm_pressed = true;
}
void cb_tick() {
;
}
#define BMP280_REGISTER_DIG_T1 0x88
#define BMP280_REGISTER_DIG_T2 0x8A
#define BMP280_REGISTER_DIG_T3 0x8C
#define BMP280_REGISTER_SOFTRESET 0xE0
#define BMP280_REGISTER_STATUS 0xF3
#define BMP280_REGISTER_CONTROL 0xF4
#define BMP280_REGISTER_CONFIG 0xF5
#define BMP280_REGISTER_PRESSUREDATA 0xF7
#define BMP280_REGISTER_TEMPDATA 0xFA
uint16_t read8(uint8_t reg) {
uint8_t val;
watch_i2c_send(0x77, &reg, 1);
watch_i2c_receive(0x77, &val, 1);
return val;
}
uint16_t read16(uint8_t reg) {
uart_puts("\nReading 2 bytes... ");
uint8_t buf[2];
watch_i2c_send(0x77, &reg, 1);
watch_i2c_receive(0x77, (uint8_t *)&buf, 2);
uart_puts("received!\n");
char buf2[32] = {0};
sprintf(buf2, "buf has values: %#02x, %#02x", buf[0], buf[1]);
uart_puts(buf2);
return (buf[0] << 8) | buf[1];
}
uint32_t read24(uint8_t reg) {
uart_puts("\nReading 3 bytes... ");
uint32_t value;
uint8_t buf[3];
watch_i2c_send(0x77, &reg, 1);
watch_i2c_receive(0x77, (uint8_t *)&buf, 3);
uart_puts("received!\n");
char buf2[33] = {0};
sprintf(buf2, "buf has values: %#02x, %#02x, %#02x", buf[0], buf[1], buf[2]);
uart_puts(buf2);
value = buf[0];
value <<= 8;
value |= buf[1];
value <<= 8;
value |= buf[2];
return value;
}
uint16_t read16_LE(uint8_t reg) {
uint16_t temp = read16(reg);
return (temp >> 8) | (temp << 8);
}
int16_t readS16(uint8_t reg) {
return (int16_t)read16(reg);
}
int16_t readS16_LE(uint8_t reg) {
return (int16_t)read16_LE(reg);
}
void print_temperature() {
int32_t var1, var2;
int32_t t_fine;
int32_t adc_T = read24(BMP280_REGISTER_TEMPDATA);
adc_T >>= 4;
var1 = ((((adc_T >> 3) - ((int32_t)applicationState.dig_T1 << 1))) *
((int32_t)applicationState.dig_T2)) >>
11;
var2 = (((((adc_T >> 4) - ((int32_t)applicationState.dig_T1)) *
((adc_T >> 4) - ((int32_t)applicationState.dig_T1))) >>
12) *
((int32_t)applicationState.dig_T3)) >>
14;
t_fine = var1 + var2;
float T = ((t_fine * 5 + 128) >> 8) / 100.0;
char buf[32] = {0};
sprintf(buf, "\n\nTemp is %3.2f degrees C", T);
uart_puts(buf);
} }
/** /**
@ -143,26 +44,14 @@ void print_temperature() {
*/ */
void app_init() { void app_init() {
memset(&applicationState, 0, sizeof(applicationState)); memset(&applicationState, 0, sizeof(applicationState));
watch_enable_led(false);
watch_enable_buttons(); watch_enable_buttons();
watch_register_button_callback(BTN_LIGHT, cb_light_pressed); watch_register_button_callback(BTN_LIGHT, cb_light_pressed);
watch_register_button_callback(BTN_MODE, cb_mode_pressed);
watch_enable_date_time();
watch_enable_tick_callback(cb_tick);
watch_enable_display(); watch_enable_display();
watch_enable_led();
watch_enable_i2c();
uart_puts("\n\nI2C Driver Test\n");
uint8_t reset_cmd[] = {0xE0, 0xB6};
watch_i2c_send(0x77, reset_cmd, 2);
uart_puts("Reset BMP280\n");
applicationState.dig_T1 = read16_LE(BMP280_REGISTER_DIG_T1);
applicationState.dig_T2 = readS16_LE(BMP280_REGISTER_DIG_T2);
applicationState.dig_T3 = readS16_LE(BMP280_REGISTER_DIG_T3);
uint8_t ctrl_cmd[] = {0xF4, 0xA3};
watch_i2c_send(0x77, ctrl_cmd, 2);
} }
/** /**
@ -172,9 +61,6 @@ void app_init() {
* a press on one of the buttons). * a press on one of the buttons).
*/ */
void app_prepare_for_sleep() { void app_prepare_for_sleep() {
applicationState.light_pressed = false;
applicationState.mode_pressed = false;
applicationState.alarm_pressed = false;
} }
/** /**
@ -182,12 +68,33 @@ void app_prepare_for_sleep() {
* STANDBY sleep mode. * STANDBY sleep mode.
*/ */
void app_wake_from_sleep() { void app_wake_from_sleep() {
} }
/**
* @brief the app_loop function is called once on app startup and then again each time
* the watch STANDBY sleep mode.
*/
void app_loop() { void app_loop() {
if (applicationState.light_pressed) { switch (applicationState.color) {
print_temperature(); case COLOR_RED:
watch_set_led_red();
break;
case COLOR_GREEN:
watch_set_led_green();
break;
case COLOR_YELLOW:
watch_set_led_yellow();
break;
default:
applicationState.color = COLOR_OFF;
watch_set_led_off();
}
switch (applicationState.mode) {
case MODE_HELLO:
watch_display_string("Hello", 5);
break;
case MODE_THERE:
watch_display_string("there", 5);
break;
} }
uart_putc('.');
} }

6
Sensor Watch Starter Project/hw/driver_init.c
View File

@ -25,14 +25,12 @@ struct pwm_descriptor PWM_0;
struct pwm_descriptor PWM_1; struct pwm_descriptor PWM_1;
void ADC_0_CLOCK_init(void) void ADC_0_CLOCK_init(void) {
{
hri_mclk_set_APBCMASK_ADC_bit(MCLK); hri_mclk_set_APBCMASK_ADC_bit(MCLK);
hri_gclk_write_PCHCTRL_reg(GCLK, ADC_GCLK_ID, CONF_GCLK_ADC_SRC | (1 << GCLK_PCHCTRL_CHEN_Pos)); hri_gclk_write_PCHCTRL_reg(GCLK, ADC_GCLK_ID, CONF_GCLK_ADC_SRC | (1 << GCLK_PCHCTRL_CHEN_Pos));
} }
void ADC_0_init(void) void ADC_0_init(void) {
{
ADC_0_CLOCK_init(); ADC_0_CLOCK_init();
adc_sync_init(&ADC_0, ADC, (void *)NULL); adc_sync_init(&ADC_0, ADC, (void *)NULL);
} }

3
Sensor Watch Starter Project/main.c
View File

@ -85,7 +85,7 @@ void uart_puts(char *s) {
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
static void sys_init(void) { static void sys_init(void) {
uart_puts("init_mcu\n"); uart_puts("init_mcu\n");
init_mcu(); init_mcu();
uart_puts("watch_init\n"); uart_puts("watch_init\n");
watch_init(); watch_init();
uart_puts("app_init\n"); uart_puts("app_init\n");
@ -101,6 +101,7 @@ int main(void) {
app_loop(); app_loop();
app_prepare_for_sleep(); app_prepare_for_sleep();
sleep(4); sleep(4);
app_wake_from_sleep();
} }
return 0; return 0;

3
Sensor Watch Starter Project/make/Makefile
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@ -56,6 +56,7 @@ INCLUDES += \
-I../hri/ \ -I../hri/ \
-I../config/ \ -I../config/ \
-I../hw/ \ -I../hw/ \
-I../watch/ \
-I../app/ \ -I../app/ \
-I.. -I..
@ -63,7 +64,7 @@ SRCS += \
../main.c \ ../main.c \
../startup_saml22.c \ ../startup_saml22.c \
../hw/driver_init.c \ ../hw/driver_init.c \
../hw/watch.c \ ../watch/watch.c \
../app/app.c \ ../app/app.c \
../hal/src/hal_adc_sync.c \ ../hal/src/hal_adc_sync.c \
../hal/src/hal_atomic.c \ ../hal/src/hal_atomic.c \

660
Sensor Watch Starter Project/hw/watch.c → Sensor Watch Starter Project/watch/watch.c
View File

@ -1,310 +1,350 @@
/* /*
* watch.c * watch.c
* *
* Created: 4/25/2021 10:22:10 AM * Created: 4/25/2021 10:22:10 AM
* Author: joeycastillo * Author: joeycastillo
*/ */
#include "watch.h" #include "watch.h"
#include <stdlib.h> #include <stdlib.h>
void watch_init() { void watch_init() {
// use switching regulator // use switching regulator
SUPC->VREG.bit.SEL = 1; SUPC->VREG.bit.SEL = 1;
while(!SUPC->STATUS.bit.VREGRDY); while(!SUPC->STATUS.bit.VREGRDY);
// TODO: use performance level 0?
// _set_performance_level(0); // External wake depends on RTC; calendar is a required module.
// hri_pm_write_PLCFG_PLDIS_bit(PM, true); CALENDAR_0_init();
} calendar_enable(&CALENDAR_0);
static const uint8_t Character_Set[] = // TODO: use performance level 0?
{ // _set_performance_level(0);
0b00000000, // // hri_pm_write_PLCFG_PLDIS_bit(PM, true);
0b00000000, // ! }
0b00100010, // "
0b00000000, // # static const uint8_t Character_Set[] =
0b00000000, // $ {
0b00000000, // % 0b00000000, //
0b01000100, // & 0b00000000, // !
0b00100000, // ' 0b00100010, // "
0b00000000, // ( 0b00000000, // #
0b00000000, // ) 0b00000000, // $
0b00000000, // * 0b00000000, // %
0b11000000, // + 0b01000100, // &
0b00010000, // , 0b00100000, // '
0b01000000, // - 0b00000000, // (
0b00000100, // . 0b00000000, // )
0b00010010, // / 0b00000000, // *
0b00111111, // 0 0b11000000, // +
0b00000110, // 1 0b00010000, // ,
0b01011011, // 2 0b01000000, // -
0b01001111, // 3 0b00000100, // .
0b01100110, // 4 0b00010010, // /
0b01101101, // 5 0b00111111, // 0
0b01111101, // 6 0b00000110, // 1
0b00000111, // 7 0b01011011, // 2
0b01111111, // 8 0b01001111, // 3
0b01101111, // 9 0b01100110, // 4
0b00000000, // : 0b01101101, // 5
0b00000000, // ; 0b01111101, // 6
0b01011000, // < 0b00000111, // 7
0b01001000, // = 0b01111111, // 8
0b01001100, // > 0b01101111, // 9
0b01010011, // ? 0b00000000, // :
0b11111111, // @ 0b00000000, // ;
0b01110111, // A 0b01011000, // <
0b01111111, // B 0b01001000, // =
0b00111001, // C 0b01001100, // >
0b00111111, // D 0b01010011, // ?
0b01111001, // E 0b11111111, // @
0b01110001, // F 0b01110111, // A
0b00111101, // G 0b01111111, // B
0b01110110, // H 0b00111001, // C
0b10001001, // I 0b00111111, // D
0b00001110, // J 0b01111001, // E
0b11101010, // K 0b01110001, // F
0b00111000, // L 0b00111101, // G
0b10110111, // M 0b01110110, // H
0b00110111, // N 0b10001001, // I
0b00111111, // O 0b00001110, // J
0b01110011, // P 0b11101010, // K
0b01100111, // Q 0b00111000, // L
0b11110111, // R 0b10110111, // M
0b01101101, // S 0b00110111, // N
0b10000001, // T 0b00111111, // O
0b00111110, // U 0b01110011, // P
0b00111110, // V 0b01100111, // Q
0b10111110, // W 0b11110111, // R
0b01111110, // X 0b01101101, // S
0b01101110, // Y 0b10000001, // T
0b00011011, // Z 0b00111110, // U
0b00111001, // [ 0b00111110, // V
0b00100100, // backslash 0b10111110, // W
0b00001111, // ] 0b01111110, // X
0b00100110, // ^ 0b01101110, // Y
0b00001000, // _ 0b00011011, // Z
0b00000010, // ` 0b00111001, // [
0b01011111, // a 0b00100100, // backslash
0b01111100, // b 0b00001111, // ]
0b01011000, // c 0b00100110, // ^
0b01011110, // d 0b00001000, // _
0b01111011, // e 0b00000010, // `
0b01110001, // f 0b01011111, // a
0b01101111, // g 0b01111100, // b
0b01110100, // h 0b01011000, // c
0b00010000, // i 0b01011110, // d
0b01000010, // j 0b01111011, // e
0b11101010, // k 0b01110001, // f
0b00110000, // l 0b01101111, // g
0b10110111, // m 0b01110100, // h
0b01010100, // n 0b00010000, // i
0b01011100, // o 0b01000010, // j
0b01110011, // p 0b11101010, // k
0b01100111, // q 0b00110000, // l
0b01010000, // r 0b10110111, // m
0b01101101, // s 0b01010100, // n
0b01111000, // t 0b01011100, // o
0b01100010, // u 0b01110011, // p
0b01100010, // v 0b01100111, // q
0b10111110, // w 0b01010000, // r
0b01111110, // x 0b01101101, // s
0b01101110, // y 0b01111000, // t
0b00011011, // z 0b01100010, // u
0b00111001, // { 0b01100010, // v
0b00110000, // | 0b10111110, // w
0b00001111, // } 0b01111110, // x
0b00000001, // ~ 0b01101110, // y
}; 0b00011011, // z
0b00111001, // {
static const uint64_t Segment_Map[] = { 0b00110000, // |
0x4e4f0e8e8f8d4d0d, // Position 8 0b00001111, // }
0xc8c4c4c8b4b4b0b, // Position 9 0b00000001, // ~
0xc049c00a49890949, // Position 6 };
0xc048088886874707, // Position 7
0xc053921252139352, // Position 0 static const uint64_t Segment_Map[] = {
0xc054511415559594, // Position 1 0x4e4f0e8e8f8d4d0d, // Position 8
0xc057965616179716, // Position 2 0xc8c4c4c8b4b4b0b, // Position 9
0xc041804000018a81, // Position 3 0xc049c00a49890949, // Position 6
0xc043420203048382, // Position 4 0xc048088886874707, // Position 7
0xc045440506468584, // Position 5 0xc053921252139352, // Position 0
}; 0xc054511415559594, // Position 1
0xc057965616179716, // Position 2
static const uint8_t Num_Chars = 10; 0xc041804000018a81, // Position 3
0xc043420203048382, // Position 4
void watch_enable_display() { 0xc045440506468584, // Position 5
SEGMENT_LCD_0_init(); };
slcd_sync_enable(&SEGMENT_LCD_0);
} static const uint8_t Num_Chars = 10;
void watch_display_pixel(uint8_t com, uint8_t seg) { void watch_enable_display() {
slcd_sync_seg_on(&SEGMENT_LCD_0, SLCD_SEGID(com, seg)); SEGMENT_LCD_0_init();
} slcd_sync_enable(&SEGMENT_LCD_0);
}
void watch_clear_pixel(uint8_t com, uint8_t seg) {
slcd_sync_seg_off(&SEGMENT_LCD_0, SLCD_SEGID(com, seg)); void watch_display_pixel(uint8_t com, uint8_t seg) {
} slcd_sync_seg_on(&SEGMENT_LCD_0, SLCD_SEGID(com, seg));
}
void watch_display_character(uint8_t character, uint8_t position) {
uint64_t segmap = Segment_Map[position]; void watch_clear_pixel(uint8_t com, uint8_t seg) {
uint64_t segdata = Character_Set[character - 0x20]; slcd_sync_seg_off(&SEGMENT_LCD_0, SLCD_SEGID(com, seg));
}
for (int i = 0; i < 8; i++) {
uint8_t com = (segmap & 0xFF) >> 6; void watch_display_character(uint8_t character, uint8_t position) {
if (com > 2) { uint64_t segmap = Segment_Map[position];
// COM3 means no segment exists; skip it. uint64_t segdata = Character_Set[character - 0x20];
segmap = segmap >> 8;
segdata = segdata >> 1; for (int i = 0; i < 8; i++) {
continue; uint8_t com = (segmap & 0xFF) >> 6;
} if (com > 2) {
uint8_t seg = segmap & 0x3F; // COM3 means no segment exists; skip it.
slcd_sync_seg_off(&SEGMENT_LCD_0, SLCD_SEGID(com, seg)); segmap = segmap >> 8;
if (segdata & 1) slcd_sync_seg_on(&SEGMENT_LCD_0, SLCD_SEGID(com, seg)); segdata = segdata >> 1;
segmap = segmap >> 8; continue;
segdata = segdata >> 1; }
} uint8_t seg = segmap & 0x3F;
} slcd_sync_seg_off(&SEGMENT_LCD_0, SLCD_SEGID(com, seg));
if (segdata & 1) slcd_sync_seg_on(&SEGMENT_LCD_0, SLCD_SEGID(com, seg));
void watch_display_string(char *string, uint8_t position) { segmap = segmap >> 8;
size_t i = 0; segdata = segdata >> 1;
while(string[i] != 0) { }
watch_display_character(string[i], position + i); }
i++;
if (i >= Num_Chars) break; void watch_display_string(char *string, uint8_t position) {
} size_t i = 0;
} while(string[i] != 0) {
watch_display_character(string[i], position + i);
void watch_enable_buttons() { i++;
EXTERNAL_IRQ_0_init(); if (i >= Num_Chars) break;
} }
}
void watch_register_button_callback(const uint32_t pin, ext_irq_cb_t callback) {
ext_irq_register(pin, callback); void watch_enable_buttons() {
} EXTERNAL_IRQ_0_init();
}
static bool PWM_0_enabled = false;
void watch_register_button_callback(const uint32_t pin, ext_irq_cb_t callback) {
void watch_enable_led() { ext_irq_register(pin, callback);
if (!PWM_0_enabled) PWM_0_init(); }
PWM_0_enabled = true;
pwm_set_parameters(&PWM_0, 10000, 0); bool PWM_0_enabled = false;
pwm_enable(&PWM_0);
void watch_enable_led(bool pwm) {
watch_set_led_off(); if (pwm) {
} if (PWM_0_enabled) return;
void watch_disable_led() { PWM_0_init();
gpio_set_pin_function(RED, GPIO_PIN_FUNCTION_OFF); pwm_set_parameters(&PWM_0, 10000, 0);
gpio_set_pin_function(GREEN, GPIO_PIN_FUNCTION_OFF); pwm_enable(&PWM_0);
pwm_disable(&PWM_0); PWM_0_enabled = true;
PWM_0_enabled = false; } else {
} watch_enable_digital_output(RED);
watch_enable_digital_output(GREEN);
void watch_set_led_color(uint16_t red, uint16_t green) { }
TC3->COUNT16.CC[0].reg = red; watch_set_led_off();
TC3->COUNT16.CC[1].reg = green; }
}
void watch_disable_led(bool pwm) {
void watch_set_led_red() { if (pwm) {
watch_set_led_color(65535, 0); if (!PWM_0_enabled) return;
} pwm_disable(&PWM_0);
PWM_0_enabled = false;
void watch_set_led_green() { }
watch_set_led_color(0, 65535);
} watch_disable_digital_output(RED);
watch_disable_digital_output(GREEN);
void watch_set_led_off() { }
watch_set_led_color(0, 0);
} void watch_set_led_color(uint16_t red, uint16_t green) {
if (PWM_0_enabled) {
void watch_enable_date_time() { TC3->COUNT16.CC[0].reg = red;
CALENDAR_0_init(); TC3->COUNT16.CC[1].reg = green;
calendar_enable(&CALENDAR_0); }
} }
void watch_set_date_time(struct calendar_date_time date_time) { void watch_set_led_red() {
calendar_set_date(&CALENDAR_0, &date_time.date); if (PWM_0_enabled) {
calendar_set_time(&CALENDAR_0, &date_time.time); watch_set_led_color(65535, 0);
} } else {
watch_set_pin_level(RED, true);
void watch_get_date_time(struct calendar_date_time *date_time) { watch_set_pin_level(GREEN, false);
calendar_get_date_time(&CALENDAR_0, date_time); }
} }
static ext_irq_cb_t tick_user_callback; void watch_set_led_green() {
if (PWM_0_enabled) {
static void tick_callback(struct calendar_dev *const dev) { watch_set_led_color(65535, 0);
tick_user_callback(); } else {
} watch_set_pin_level(RED, false);
watch_set_pin_level(GREEN, true);
void watch_enable_tick_callback(ext_irq_cb_t callback) { }
tick_user_callback = callback; }
// TODO: rename this method to reflect that it now sets the PER7 interrupt.
_tamper_register_callback(&CALENDAR_0.device, &tick_callback); void watch_set_led_yellow() {
} if (PWM_0_enabled) {
watch_set_led_color(65535, 65535);
static bool ADC_0_ENABLED = false; } else {
watch_set_pin_level(RED, true);
void watch_enable_analog(const uint8_t pin) { watch_set_pin_level(GREEN, true);
if (!ADC_0_ENABLED) ADC_0_init(); }
ADC_0_ENABLED = true; }
gpio_set_pin_direction(pin, GPIO_DIRECTION_OFF); void watch_set_led_off() {
switch (pin) { if (PWM_0_enabled) {
case A0: watch_set_led_color(0, 0);
gpio_set_pin_function(A0, PINMUX_PB04B_ADC_AIN12); } else {
break; watch_set_pin_level(RED, false);
case A1: watch_set_pin_level(GREEN, false);
gpio_set_pin_function(A1, PINMUX_PB01B_ADC_AIN9); }
break; }
case A2:
gpio_set_pin_function(A2, PINMUX_PB02B_ADC_AIN10); void watch_set_date_time(struct calendar_date_time date_time) {
break; calendar_set_date(&CALENDAR_0, &date_time.date);
default: calendar_set_time(&CALENDAR_0, &date_time.time);
return; }
}
} void watch_get_date_time(struct calendar_date_time *date_time) {
calendar_get_date_time(&CALENDAR_0, date_time);
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); static ext_irq_cb_t tick_user_callback;
}
static void tick_callback(struct calendar_dev *const dev) {
void watch_enable_pull_up(const uint8_t pin) { tick_user_callback();
gpio_set_pin_pull_mode(pin, GPIO_PULL_UP); }
}
void watch_enable_tick_callback(ext_irq_cb_t callback) {
void watch_enable_pull_down(const uint8_t pin) { tick_user_callback = callback;
gpio_set_pin_pull_mode(pin, GPIO_PULL_DOWN); // TODO: rename this method to reflect that it now sets the PER7 interrupt.
} _tamper_register_callback(&CALENDAR_0.device, &tick_callback);
}
bool watch_get_pin_level(const uint8_t pin, const bool level) {
return gpio_get_pin_level(pin); static bool ADC_0_ENABLED = false;
}
void watch_enable_analog(const uint8_t pin) {
void watch_enable_digital_output(const uint8_t pin) { if (!ADC_0_ENABLED) ADC_0_init();
gpio_set_pin_direction(pin, GPIO_DIRECTION_OUT); ADC_0_ENABLED = true;
gpio_set_pin_function(pin, GPIO_PIN_FUNCTION_OFF);
} gpio_set_pin_direction(pin, GPIO_DIRECTION_OFF);
switch (pin) {
void watch_set_pin_level(const uint8_t pin, const bool level) { case A0:
gpio_set_pin_level(pin, level); gpio_set_pin_function(A0, PINMUX_PB04B_ADC_AIN12);
} break;
case A1:
struct io_descriptor *I2C_0_io; gpio_set_pin_function(A1, PINMUX_PB01B_ADC_AIN9);
break;
void watch_enable_i2c() { case A2:
I2C_0_init(); gpio_set_pin_function(A2, PINMUX_PB02B_ADC_AIN10);
i2c_m_sync_get_io_descriptor(&I2C_0, &I2C_0_io); break;
i2c_m_sync_enable(&I2C_0); default:
} return;
}
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_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_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); void watch_enable_pull_up(const uint8_t pin) {
} gpio_set_pin_pull_mode(pin, GPIO_PULL_UP);
}
void watch_enable_pull_down(const uint8_t pin) {
gpio_set_pin_pull_mode(pin, GPIO_PULL_DOWN);
}
bool watch_get_pin_level(const uint8_t pin, const bool level) {
return gpio_get_pin_level(pin);
}
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);
}
void watch_disable_digital_output(const uint8_t pin) {
gpio_set_pin_direction(pin, GPIO_DIRECTION_OFF);
}
void watch_set_pin_level(const uint8_t pin, const bool level) {
gpio_set_pin_level(pin, level);
}
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);
}

6
Sensor Watch Starter Project/hw/watch.h → Sensor Watch Starter Project/watch/watch.h
View File

@ -19,14 +19,13 @@ void watch_enable_display();
void watch_display_pixel(uint8_t com, uint8_t seg); void watch_display_pixel(uint8_t com, uint8_t seg);
void watch_display_string(char *string, uint8_t position); void watch_display_string(char *string, uint8_t position);
void watch_enable_led(); void watch_enable_led(bool pwm);
void watch_disable_led(); void watch_disable_led(bool pwm);
void watch_set_led_color(uint16_t red, uint16_t green); void watch_set_led_color(uint16_t red, uint16_t green);
void watch_set_led_red(); void watch_set_led_red();
void watch_set_led_green(); void watch_set_led_green();
void watch_set_led_off(); void watch_set_led_off();
void watch_enable_date_time();
void watch_set_date_time(struct calendar_date_time 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_get_date_time(struct calendar_date_time *date_time);
@ -43,6 +42,7 @@ void watch_enable_pull_down(const uint8_t pin);
bool watch_get_pin_level(const uint8_t pin, const bool level); bool watch_get_pin_level(const uint8_t pin, const bool level);
void watch_enable_digital_output(const uint8_t pin); void watch_enable_digital_output(const uint8_t pin);
void watch_disable_digital_output(const uint8_t pin);
void watch_set_pin_level(const uint8_t pin, const bool level); void watch_set_pin_level(const uint8_t pin, const bool level);
struct io_descriptor *I2C_0_io; struct io_descriptor *I2C_0_io;