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Esp Peripherals, Register Read #420

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c1e8a60
ESP Peripherals Register Read
jlpoltrack Feb 28, 2026
1c438fb
Merge remote-tracking branch 'origin/main' into esp-peripherals-regis…
jlpoltrack Feb 28, 2026
6a62c5e
order
jlpoltrack Feb 28, 2026
5f0e849
C3 fix
jlpoltrack Feb 28, 2026
76db3f4
Merge branch 'main' into esp-peripherals-register-read
jlpoltrack Mar 23, 2026
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58 changes: 46 additions & 12 deletions mLRS/modules/esp-lib/esp-peripherals.h
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Original file line number Diff line number Diff line change
Expand Up @@ -136,7 +136,7 @@ void gpio_init(uint8_t GPIO_Pin, IOMODEENUM mode)
GPIO_INLINE_FORCED void gpio_low(uint8_t GPIO_Pin)
{
#ifdef CONFIG_IDF_TARGET_ESP32C3
GPIO.out_w1tc.out_w1tc = (1 << GPIO_Pin);
GPIO.out_w1tc.out_w1tc = ((uint32_t)1 << GPIO_Pin);
#elif defined CONFIG_IDF_TARGET_ESP32 || defined CONFIG_IDF_TARGET_ESP32S3
if (GPIO_Pin < 32) {
GPIO.out_w1tc = ((uint32_t)1 << GPIO_Pin);
Expand All @@ -145,7 +145,7 @@ GPIO_INLINE_FORCED void gpio_low(uint8_t GPIO_Pin)
}
#elif defined ESP8266
if (GPIO_Pin < 16) {
GPOC = (1 << GPIO_Pin);
GPOC = ((uint32_t)1 << GPIO_Pin);
} else if (GPIO_Pin == 16) { // special handling needed for pin 16
GP16O &=~ 1;
}
Expand All @@ -156,7 +156,7 @@ GPIO_INLINE_FORCED void gpio_low(uint8_t GPIO_Pin)
GPIO_INLINE_FORCED void gpio_high(uint8_t GPIO_Pin)
{
#ifdef CONFIG_IDF_TARGET_ESP32C3
GPIO.out_w1ts.out_w1ts = (1 << GPIO_Pin);
GPIO.out_w1ts.out_w1ts = ((uint32_t)1 << GPIO_Pin);
#elif defined CONFIG_IDF_TARGET_ESP32 || defined CONFIG_IDF_TARGET_ESP32S3
if (GPIO_Pin < 32) {
GPIO.out_w1ts = ((uint32_t)1 << GPIO_Pin);
Expand All @@ -165,35 +165,69 @@ GPIO_INLINE_FORCED void gpio_high(uint8_t GPIO_Pin)
}
#elif defined ESP8266
if (GPIO_Pin < 16) {
GPOS = (1 << GPIO_Pin);
GPOS = ((uint32_t)1 << GPIO_Pin);
} else if (GPIO_Pin == 16) { // special handling needed for pin 16
GP16O |= 1;
}
#endif
}


GPIO_INLINE_FORCED void gpio_toggle(uint8_t GPIO_Pin)
GPIO_INLINE_FORCED uint16_t gpio_read_activehigh(uint8_t GPIO_Pin)
{
digitalWrite(GPIO_Pin, !digitalRead(GPIO_Pin));
#ifdef CONFIG_IDF_TARGET_ESP32C3
return (GPIO.in.data >> GPIO_Pin) & 1;
#elif defined CONFIG_IDF_TARGET_ESP32 || defined CONFIG_IDF_TARGET_ESP32S3
if (GPIO_Pin < 32) {
return (GPIO.in >> GPIO_Pin) & 1;
} else {
return (GPIO.in1.data >> (GPIO_Pin - 32)) & 1;
}
#elif defined ESP8266
if (GPIO_Pin < 16) {
return (GPI >> GPIO_Pin) & 1;
} else if (GPIO_Pin == 16) { // special handling needed for pin 16
return GP16I & 1;
}
return 0;
#endif
}


GPIO_INLINE_FORCED uint16_t gpio_read_activehigh(uint8_t GPIO_Pin)
GPIO_INLINE_FORCED uint16_t gpio_read_activelow(uint8_t GPIO_Pin)
{
return (digitalRead(GPIO_Pin) == HIGH) ? 1 : 0;
return gpio_read_activehigh(GPIO_Pin) ^ 1;
}


GPIO_INLINE_FORCED uint16_t gpio_read_activelow(uint8_t GPIO_Pin)
GPIO_INLINE_FORCED uint16_t gpio_readoutput(uint8_t GPIO_Pin)
{
return (digitalRead(GPIO_Pin) != HIGH) ? 1 : 0;
#ifdef CONFIG_IDF_TARGET_ESP32C3
return (GPIO.out.data >> GPIO_Pin) & 1;
#elif defined CONFIG_IDF_TARGET_ESP32 || defined CONFIG_IDF_TARGET_ESP32S3
if (GPIO_Pin < 32) {
return (GPIO.out >> GPIO_Pin) & 1;
} else {
return (GPIO.out1.data >> (GPIO_Pin - 32)) & 1;
}
#elif defined ESP8266
if (GPIO_Pin < 16) {
return (GPO >> GPIO_Pin) & 1;
} else if (GPIO_Pin == 16) { // special handling needed for pin 16
return GP16O & 1;
}
return 0;
#endif
}


GPIO_INLINE_FORCED uint16_t gpio_readoutput(uint8_t GPIO_Pin)
GPIO_INLINE_FORCED void gpio_toggle(uint8_t GPIO_Pin)
{
return (digitalRead(GPIO_Pin) == HIGH) ? 1 : 0;
if (gpio_readoutput(GPIO_Pin)) {
gpio_low(GPIO_Pin);
} else {
gpio_high(GPIO_Pin);
}
}


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