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GPIO descriptor fixes (#578)

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This commit is contained in:
Ken Van Hoeylandt
2026-07-22 22:43:34 +02:00
committed by GitHub
parent a3fda9ad8f
commit 8b92aa8e5a
116 changed files with 376 additions and 541 deletions
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Platforms/platform-esp32/source/drivers/esp32_gpio.cpp
+11 -5
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@@ -22,12 +22,18 @@ struct Esp32GpioInternal {
extern "C" {
static error_t set_level(GpioDescriptor* descriptor, bool high) {
auto esp_error = gpio_set_level(static_cast<gpio_num_t>(descriptor->pin), high);
// ESP32 GPIO has no hardware output-invert for plain digital I/O: active-low is a
// software-only concept, tracked in descriptor->flags rather than any hw register.
bool level_to_set = (descriptor->flags & GPIO_FLAG_ACTIVE_LOW) != 0 ? !high : high;
auto esp_error = gpio_set_level(static_cast<gpio_num_t>(descriptor->pin), level_to_set);
return esp_err_to_error(esp_error);
}
static error_t get_level(GpioDescriptor* descriptor, bool* high) {
*high = gpio_get_level(static_cast<gpio_num_t>(descriptor->pin)) != 0;
bool physical_level = gpio_get_level(static_cast<gpio_num_t>(descriptor->pin)) != 0;
*high = (descriptor->flags & GPIO_FLAG_ACTIVE_LOW) != 0 ? !physical_level : physical_level;
return ERROR_NONE;
}
@@ -88,9 +94,9 @@ static error_t get_flags(GpioDescriptor* descriptor, gpio_flags_t* flags) {
output |= GPIO_FLAG_DIRECTION_OUTPUT;
}
if (esp_config.oe_inv) {
output |= GPIO_FLAG_ACTIVE_LOW;
}
// oe_inv is the output-enable-signal invert bit (GPIO-matrix routing), unrelated to
// active-low data level; that's a software-only concept tracked in descriptor->flags.
output |= (descriptor->flags & GPIO_FLAG_ACTIVE_LOW);
*flags = output;
return ERROR_NONE;