fix

Author: myst729

keyboard/magnet/matrix_analog.c

@@ -22,7 +22,18 @@ static uint16_t magnet_threshold = MAGNET_THRESHOLD_DEFAULT;
 /* matrix state(1:on, 0:off) */
 static matrix_row_t matrix[MATRIX_ROWS];
 
-void init_adc_col_pin(uint8_t column) {
+// NRF_SAADC_INPUT_AIN0 has been used to detect battery voltage
+#define ADC_COL_PIN3 NRF_SAADC_INPUT_AIN1
+#define ADC_COL_PIN4 NRF_SAADC_INPUT_AIN2
+#define ADC_COL_PIN5 NRF_SAADC_INPUT_AIN3
+#define ADC_COL_PIN28 NRF_SAADC_INPUT_AIN4
+#define ADC_COL_PIN29 NRF_SAADC_INPUT_AIN5
+#define ADC_COL_PIN30 NRF_SAADC_INPUT_AIN6
+#define ADC_COL_PIN31 NRF_SAADC_INPUT_AIN7
+#define ADC_COL_PIN(NUM) ADC_COL_PIN##NUM
+
+// TODO pin_channel->period 多少合适? 10以内?
+void init_adc_col_pin(uint8_t pin) {
   static nrf_saadc_channel_config_t channel_config = {
     .resistor_p = NRF_SAADC_RESISTOR_DISABLED,
     .resistor_n = NRF_SAADC_RESISTOR_DISABLED,
@@ -31,14 +42,14 @@ void init_adc_col_pin(uint8_t column) {
     .acq_time = NRF_SAADC_ACQTIME_10US,
     .mode = NRF_SAADC_MODE_SINGLE_ENDED,
     .burst = NRF_SAADC_BURST_DISABLED,
-    .pin_p = (nrf_saadc_input_t)(column_pin_array[column]),
+    .pin_p = (nrf_saadc_input_t)(ADC_COL_PIN(pin)),
     .pin_n = NRF_SAADC_INPUT_DISABLED
   };
 
   static struct adc_channel_config pin_channel = {
     .adc_start = 0,
     .adc_finish = 0,
-    .period = DEBOUNCE, // TODO 多少合适？10以内？
+    .period = DEBOUNCE,
     .config = &channel_config,
   };
 
@@ -61,7 +72,7 @@ void matrix_init(void) {
 
   // 初始化模拟引脚
   for (uint_fast8_t i = 0; i < MATRIX_COLS; i++) {
-    init_adc_col_pin(i);
+    init_adc_col_pin(column_pin_array[i]);
   }
 
   // 正常使用时禁用唤醒引脚