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Fix GPIO alloc when given duplicate values

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This commit is contained in:
Jaakko Haakana 2025-07-27 10:56:43 +03:00
parent ca360feaca
commit 64dc6784f7
1 changed files with 23 additions and 8 deletions
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29
Software/src/devboard/hal/hal.h
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@ -59,16 +59,31 @@ class Esp32Hal {
return alloc_pins(name, pins[Is]...);
}
template <typename... Pins>
bool alloc_pins_ignore_unused(const char* name, Pins... pins) {
std::vector<gpio_num_t> valid_pins;
for (gpio_num_t pin : std::vector<gpio_num_t>{static_cast<gpio_num_t>(pins)...}) {
if (pin != GPIO_NUM_NC) {
valid_pins.push_back(pin);
// Base case: no more pins
inline bool alloc_pins_ignore_unused_impl(const char* name) {
return alloc_pins(name); // Call with 0 pins
}
// Recursive case: process one pin at a time
template <typename... Rest>
bool alloc_pins_ignore_unused_impl(const char* name, gpio_num_t first, Rest... rest) {
if (first == GPIO_NUM_NC) {
return alloc_pins_ignore_unused_impl(name, rest...);
} else {
return call_alloc_pins_filtered(name, first, rest...);
}
}
return alloc_pins_from_vector(name, valid_pins, std::make_index_sequence<sizeof...(pins)>{});
// This helper just forwards pins after filtering is done
template <typename... Pins>
bool call_alloc_pins_filtered(const char* name, Pins... pins) {
return alloc_pins(name, pins...);
}
// Entry point
template <typename... Pins>
bool alloc_pins_ignore_unused(const char* name, Pins... pins) {
return alloc_pins_ignore_unused_impl(name, static_cast<gpio_num_t>(pins)...);
}
virtual bool always_enable_bms_power() { return false; }