diff options
Diffstat (limited to 'movement/watch_faces/thermistor/thermistor_driver.c')
-rw-r--r-- | movement/watch_faces/thermistor/thermistor_driver.c | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/movement/watch_faces/thermistor/thermistor_driver.c b/movement/watch_faces/thermistor/thermistor_driver.c deleted file mode 100644 index 73bdef41..00000000 --- a/movement/watch_faces/thermistor/thermistor_driver.c +++ /dev/null @@ -1,58 +0,0 @@ -/* - * MIT License - * - * Copyright (c) 2022 Joey Castillo - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in all - * copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -#include "thermistor_driver.h" -#include "watch.h" -#include "watch_utility.h" - -void thermistor_driver_enable(void) { - // Enable the ADC peripheral, which we'll use to read the thermistor value. - watch_enable_adc(); - // Enable analog circuitry on the sense pin, which is tied to the thermistor resistor divider. - watch_enable_analog_input(THERMISTOR_SENSE_PIN); - // Enable digital output on the enable pin, which is the power to the thermistor circuit. - watch_enable_digital_output(THERMISTOR_ENABLE_PIN); - // and make sure it's off. - watch_set_pin_level(THERMISTOR_ENABLE_PIN, !THERMISTOR_ENABLE_VALUE); -} - -void thermistor_driver_disable(void) { - // Disable the ADC peripheral. - watch_disable_adc(); - // Disable analog circuitry on the sense pin to save power. - watch_disable_analog_input(THERMISTOR_SENSE_PIN); - // Disable the enable pin's output circuitry. - watch_disable_digital_output(THERMISTOR_ENABLE_PIN); -} - -float thermistor_driver_get_temperature(void) { - // set the enable pin to the level that powers the thermistor circuit. - watch_set_pin_level(THERMISTOR_ENABLE_PIN, THERMISTOR_ENABLE_VALUE); - // get the sense pin level - uint16_t value = watch_get_analog_pin_level(THERMISTOR_SENSE_PIN); - // and then set the enable pin to the opposite value to power down the thermistor circuit. - watch_set_pin_level(THERMISTOR_ENABLE_PIN, !THERMISTOR_ENABLE_VALUE); - - return watch_utility_thermistor_temperature(value, THERMISTOR_HIGH_SIDE, THERMISTOR_B_COEFFICIENT, THERMISTOR_NOMINAL_TEMPERATURE, THERMISTOR_NOMINAL_RESISTANCE, THERMISTOR_SERIES_RESISTANCE); -} |