diff options
Diffstat (limited to 'Sensor Watch Starter Project/app/app.c')
| -rw-r--r-- | Sensor Watch Starter Project/app/app.c | 175 |
1 files changed, 41 insertions, 134 deletions
diff --git a/Sensor Watch Starter Project/app/app.c b/Sensor Watch Starter Project/app/app.c index 1ada8a3f..eb862767 100644 --- a/Sensor Watch Starter Project/app/app.c +++ b/Sensor Watch Starter Project/app/app.c @@ -7,129 +7,30 @@ void uart_putc(char c); void uart_puts(char *s); typedef enum ApplicationMode { - MODE_TIME, - MODE_SENSE, - MODE_SET_HOUR, - MODE_SET_MINUTE, - MODE_SET_SECOND + MODE_HELLO = 0, + MODE_THERE } ApplicationMode; +typedef enum LightColor { + COLOR_OFF = 0, + COLOR_RED = 1, + COLOR_GREEN = 2, + COLOR_YELLOW = 3 +} LightColor; + typedef struct ApplicationState { ApplicationMode mode; - bool light_pressed; - 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. */ + LightColor color; } ApplicationState; ApplicationState applicationState; void cb_light_pressed() { - applicationState.light_pressed = true; + applicationState.color = (applicationState.color + 1) % 4; } void cb_mode_pressed() { - applicationState.mode_pressed = true; -} - -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, ®, 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, ®, 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, ®, 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); + applicationState.mode = (applicationState.mode + 1) % 2; } /** @@ -143,26 +44,14 @@ void print_temperature() { */ void app_init() { memset(&applicationState, 0, sizeof(applicationState)); + + watch_enable_led(false); + watch_enable_buttons(); 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_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). */ 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. */ 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() { - if (applicationState.light_pressed) { - print_temperature(); + switch (applicationState.color) { + 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('.'); } |