1 files changed, 0 insertions, 31 deletions
diff --git a/main/battery.cpp b/main/battery.cpp
deleted file mode 100644
index 66c96daf..00000000
--- a/main/battery.cpp
+++ /dev/null
@@ -1,31 +0,0 @@
-#include "battery.hpp"
-
-#include "driver/adc.h"
-#include "esp_adc_cal.h"
-#include "hal/adc_types.h"
-
-namespace gay_ipod {
-
-static esp_adc_cal_characteristics_t calibration;
-
-esp_err_t init_adc(void) {
-  // Calibration should already be fused into the chip from the factory, so
-  // we should only need to read it back out again.
-  esp_adc_cal_characterize(ADC_UNIT_1, ADC_ATTEN_DB_11, ADC_WIDTH_BIT_12, 0,
-                           &calibration);
-
-  // Max battery voltage should be a little over 2V due to our divider, so
-  // we need the max attenuation to properly handle the full range.
-  adc1_config_width(ADC_WIDTH_BIT_12);
-  adc1_config_channel_atten(ADC1_CHANNEL_6, ADC_ATTEN_DB_11);
-
-  return ESP_OK;
-}
-
-uint32_t read_battery_voltage(void) {
-  // GPIO 34
-  int raw = adc1_get_raw(ADC1_CHANNEL_6);
-  return esp_adc_cal_raw_to_voltage(raw, &calibration);
-}
-
-}  // namespace gay_ipod