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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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Drivers/pi4ioe5v6408-module/source/pi4ioe5v6408.cpp
+8 -2
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@@ -47,7 +47,10 @@ static error_t set_level(GpioDescriptor* descriptor, bool high) {
auto address = GET_CONFIG(device)->address;
uint8_t bit = 1 << descriptor->pin;
if (high) {
// This chip has no output polarity register: active-low must be inverted in software.
bool physical_high = (descriptor->flags & GPIO_FLAG_ACTIVE_LOW) != 0 ? !high : high;
if (physical_high) {
return i2c_controller_register8_set_bits(parent, address, PI4_REGISTER_OUTPUT_LEVEL, bit, portMAX_DELAY);
} else {
return i2c_controller_register8_reset_bits(parent, address, PI4_REGISTER_OUTPUT_LEVEL, bit, portMAX_DELAY);
@@ -65,7 +68,8 @@ static error_t get_level(GpioDescriptor* descriptor, bool* high) {
return err;
}
*high = (bits & (1 << descriptor->pin)) != 0;
bool physical_high = (bits & (1 << descriptor->pin)) != 0;
*high = (descriptor->flags & GPIO_FLAG_ACTIVE_LOW) != 0 ? !physical_high : physical_high;
return ERROR_NONE;
}
@@ -161,6 +165,8 @@ static error_t get_flags(GpioDescriptor* descriptor, gpio_flags_t* flags) {
f |= GPIO_FLAG_HIGH_IMPEDANCE;
}
f |= (descriptor->flags & GPIO_FLAG_ACTIVE_LOW);
*flags = f;
return ERROR_NONE;
}