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Add atten to battery service

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This commit is contained in:
Wizmo2
2021-05-13 19:53:55 -04:00
parent c7b1c7cd83
commit 2699216d25
1 changed files with 4 additions and 2 deletions
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6
components/services/battery.c
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@@ -32,12 +32,13 @@ static const char *TAG = "battery";
static struct {
int channel;
float sum, avg, scale;
int count;
int count, attenuation;
int cells;
TimerHandle_t timer;
} battery = {
.channel = CONFIG_BAT_CHANNEL,
.cells = 2,
.attenuation = ADC_ATTEN_DB_0,
};
/****************************************************************************************
@@ -82,6 +83,7 @@ void battery_svc_init(void) {
#ifndef CONFIG_BAT_LOCKED
if ((p = strcasestr(nvs_item, "channel")) != NULL) battery.channel = atoi(strchr(p, '=') + 1);
if ((p = strcasestr(nvs_item, "scale")) != NULL) battery.scale = atof(strchr(p, '=') + 1);
if ((p = strcasestr(nvs_item, "atten")) != NULL) battery.attenuation = atoi(strchr(p, '=') + 1);
#endif
if ((p = strcasestr(nvs_item, "cells")) != NULL) battery.cells = atof(strchr(p, '=') + 1);
free(nvs_item);
@@ -89,7 +91,7 @@ void battery_svc_init(void) {
if (battery.channel != -1) {
adc1_config_width(ADC_WIDTH_BIT_12);
adc1_config_channel_atten(battery.channel, ADC_ATTEN_DB_0);
adc1_config_channel_atten(battery.channel, battery.attenuation);
battery.avg = adc1_get_raw(battery.channel) * battery.scale / 4095.0;
battery.timer = xTimerCreate("battery", BATTERY_TIMER / portTICK_RATE_MS, pdTRUE, NULL, battery_callback);