Add basic ADC calibration.

2019-10-17 00:12:35 -05:00
parent b9c66fa1b1
commit 6bb17bb179
3 changed files with 23 additions and 5 deletions
--- a/arduino/cores/esp32/wiring_analog.h
+++ b/arduino/cores/esp32/wiring_analog.h
@@ -28,7 +28,7 @@ extern "C" {

 extern void analogWrite(uint32_t pin, uint32_t value);

-extern int analogRead(uint32_t pin);
+extern int analogRead(uint32_t pin, uint32_t atten);

 #ifdef __cplusplus
 }