add variant init code for the feather s2 tft (espressif#6447)

ladyada · web-flow · commit ab34321a16c4 · 2022-03-28T12:58:25.000+03:00
diff --git a/variants/adafruit_feather_esp32s2_tft/variant.cpp b/variants/adafruit_feather_esp32s2_tft/variant.cpp
@@ -31,7 +31,12 @@ extern "C" {
 // Initialize variant/board, called before setup()
 void initVariant(void)
 {
-
+  // This board has power control pins, and we must set them to output and high
+  // in order to enable the NeoPixels, TFT & I2C
+  pinMode(NEOPIXEL_POWER, OUTPUT);
+  digitalWrite(NEOPIXEL_POWER, HIGH);
+  pinMode(TFT_I2C_POWER, OUTPUT);
+  digitalWrite(TFT_I2C_POWER, HIGH);
 }
 
 }

Original file line number	Diff line number	Diff line change
`@@ -31,7 +31,12 @@ extern "C" {`
`31`	`31`	`// Initialize variant/board, called before setup()`
`32`	`32`	`void initVariant(void)`
`33`	`33`	`{`
`34`		`-`
	`34`	`+ // This board has power control pins, and we must set them to output and high`
	`35`	`+ // in order to enable the NeoPixels, TFT & I2C`
	`36`	`+ pinMode(NEOPIXEL_POWER, OUTPUT);`
	`37`	`+ digitalWrite(NEOPIXEL_POWER, HIGH);`
	`38`	`+ pinMode(TFT_I2C_POWER, OUTPUT);`
	`39`	`+ digitalWrite(TFT_I2C_POWER, HIGH);`
`35`	`40`	`}`
`36`	`41`
`37`	`42`	`}`