Add setAnalogRead type & command handler. Add core analogRead function.

2019-10-13 21:32:06 -05:00
parent b90bbd6349
commit 5687201ec9
3 changed files with 25 additions and 1 deletions
--- a/arduino/cores/esp32/wiring_analog.c
+++ b/arduino/cores/esp32/wiring_analog.c
@@ -18,6 +18,7 @@
 */

 #include <driver/ledc.h>
+#include <driver/adc.h>

 #include "wiring_analog.h"

@@ -43,3 +44,11 @@ void analogWrite(uint32_t pin, uint32_t value)
  };
  ledc_channel_config(&ledc_conf);
 }
+
+int analogRead(uint32_t pin)
+{
+  adc1_config_width(ADC_WIDTH_BIT_12);
+  adc1_config_channel_atten(pin,ADC_ATTEN_DB_11);
+  int val = adc1_get_raw(pin);
+  return val;
+}
--- a/arduino/cores/esp32/wiring_analog.h
+++ b/arduino/cores/esp32/wiring_analog.h
@@ -28,6 +28,8 @@ extern "C" {

 extern void analogWrite(uint32_t pin, uint32_t value);

+extern int analogRead(uint32_t pin);
+
 #ifdef __cplusplus
 }
 #endif