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analogWrite is not implemented on the ESP32

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See: https://github.com/espressif/arduino-esp32/issues/4
This commit is contained in:
Kristian Sloth Lauszus 2018-01-14 18:44:38 +01:00
parent cf1b69513f
commit bfac192732
1 changed files with 66 additions and 50 deletions
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18
examples/adk/demokit_20/demokit_20.ino
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@ -22,6 +22,10 @@ uint8_t b, b1;
#define LED1_RED 3 #define LED1_RED 3
#define BUTTON1 2 #define BUTTON1 2
#ifdef ESP32
#define LED1_RED_CHANNEL 0
#endif
void init_buttons() void init_buttons()
{ {
pinMode(BUTTON1, INPUT); pinMode(BUTTON1, INPUT);
@ -34,7 +38,12 @@ void init_leds()
{ {
digitalWrite(LED1_RED, 0); digitalWrite(LED1_RED, 0);
#ifdef ESP32
ledcAttachPin(LED1_RED, LED1_RED_CHANNEL); // Assign LED pin to channel 0
ledcSetup(LED1_RED_CHANNEL, 12000, 8); // 12 kHz PWM, 8-bit resolution
#else
pinMode(LED1_RED, OUTPUT); pinMode(LED1_RED, OUTPUT);
#endif
} }
void setup() void setup()
@ -50,7 +59,6 @@ void setup()
while (1); //halt while (1); //halt
}//if (Usb.Init() == -1... }//if (Usb.Init() == -1...
init_leds(); init_leds();
init_buttons(); init_buttons();
b1 = digitalRead(BUTTON1); b1 = digitalRead(BUTTON1);
@ -63,7 +71,11 @@ void loop()
Usb.Task(); Usb.Task();
if ( adk.isReady() == false ) { if ( adk.isReady() == false ) {
#ifdef ESP32
ledcWrite(LED1_RED_CHANNEL, 255);
#else
analogWrite(LED1_RED, 255); analogWrite(LED1_RED, 255);
#endif
return; return;
} }
uint16_t len = sizeof(msg); uint16_t len = sizeof(msg);
@ -78,7 +90,11 @@ void loop()
if (msg[0] == 0x2) { if (msg[0] == 0x2) {
switch ( msg[1] ) { switch ( msg[1] ) {
case 0: case 0:
#ifdef ESP32
ledcWrite(LED1_RED_CHANNEL, 255 - msg[2]);
#else
analogWrite(LED1_RED, 255 - msg[2]); analogWrite(LED1_RED, 255 - msg[2]);
#endif
break; break;
}//switch( msg[1]... }//switch( msg[1]...
}//if (msg[0] == 0x2... }//if (msg[0] == 0x2...