Remove `bluefruit_le_read_battery_voltage` function (#25129)

2 files changed, 0 insertions, 25 deletions

diff --git a/drivers/bluetooth/bluefruit_le.cpp b/drivers/bluetooth/bluefruit_le.cpp
index 218eca2195..5fdd104dcf 100644
--- a/drivers/bluetooth/bluefruit_le.cpp
+++ b/drivers/bluetooth/bluefruit_le.cpp
@@ -32,13 +32,8 @@
 #    define BLUEFRUIT_LE_SCK_DIVISOR 2 // 4MHz SCK/8MHz CPU, calculated for Feather 32U4 BLE
 #endif
 
-#define SAMPLE_BATTERY
 #define ConnectionUpdateInterval 1000 /* milliseconds */
 
-#ifndef BATTERY_LEVEL_PIN
-#    define BATTERY_LEVEL_PIN B5
-#endif
-
 static struct {
     bool is_connected;
     bool initialized;
@@ -48,10 +43,6 @@ static struct {
 #define UsingEvents 2
     bool event_flags;
 
-#ifdef SAMPLE_BATTERY
-    uint16_t last_battery_update;
-    uint32_t vbat;
-#endif
     uint16_t last_connection_update;
 } state;
 
@@ -549,14 +540,6 @@ void bluefruit_le_task(void) {
             set_connected(atoi(resbuf));
         }
     }
-
-#ifdef SAMPLE_BATTERY
-    if (timer_elapsed(state.last_battery_update) > BatteryUpdateInterval && resp_buf.empty()) {
-        state.last_battery_update = timer_read();
-
-        state.vbat = analogReadPin(BATTERY_LEVEL_PIN);
-    }
-#endif
 }
 
 static bool process_queue_item(struct queue_item *item, uint16_t timeout) {
@@ -655,10 +638,6 @@ void bluefruit_le_send_mouse(report_mouse_t *report) {
     }
 }
 
-uint32_t bluefruit_le_read_battery_voltage(void) {
-    return state.vbat;
-}
-
 bool bluefruit_le_set_mode_leds(bool on) {
     if (!state.configured) {
         return false;
diff --git a/drivers/bluetooth/bluefruit_le.h b/drivers/bluetooth/bluefruit_le.h
index a3de03c35c..5efe92b6e0 100644
--- a/drivers/bluetooth/bluefruit_le.h
+++ b/drivers/bluetooth/bluefruit_le.h
@@ -45,10 +45,6 @@ extern void bluefruit_le_send_consumer(uint16_t usage);
  * change. */
 extern void bluefruit_le_send_mouse(report_mouse_t *report);
 
-/* Compute battery voltage by reading an analog pin.
- * Returns the integer number of millivolts */
-extern uint32_t bluefruit_le_read_battery_voltage(void);
-
 extern bool bluefruit_le_set_mode_leds(bool on);
 extern bool bluefruit_le_set_power_level(int8_t level);