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Fix analogWidth for ESP32S2 in esp32-hal-adc.c #5711

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Merged
merged 2 commits into from
Oct 1, 2021
Merged

Fix analogWidth for ESP32S2 in esp32-hal-adc.c #5711

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668dd43
fix analogWidth for ESP32S2
caternuson Sep 27, 2021
50a9e92
update logic
caternuson Sep 28, 2021
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8 changes: 6 additions & 2 deletions cores/esp32/esp32-hal-adc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -37,7 +37,7 @@ static uint8_t __analogVRefPin = 0;
#include "soc/rtc_io_reg.h"
#elif CONFIG_IDF_TARGET_ESP32C3
#include "esp32c3/rom/ets_sys.h"
#else
#else
#error Target CONFIG_IDF_TARGET is not supported
#endif
#else // ESP32 Before IDF 4.0
Expand All @@ -46,7 +46,11 @@ static uint8_t __analogVRefPin = 0;
#endif

static uint8_t __analogAttenuation = 3;//11db
static uint8_t __analogWidth = 3;//12 bits
#if CONFIG_IDF_TARGET_ESP32S2
static uint8_t __analogWidth = 4; // 13 bits
#else
static uint8_t __analogWidth = 3; // 12 bits
#endif
static uint8_t __analogClockDiv = 1;
static adc_attenuation_t __pin_attenuation[SOC_GPIO_PIN_COUNT];

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