Create GPIO HAL (#344)

TactilityC/Include/tt_hal_gpio.h

@@ -0,0 +1,39 @@
+#pragma once
+
+#include <stdint.h>
+#include <stdbool.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef unsigned int GpioPin;
+#define GPIO_NO_PIN -1
+
+/** @warning The order must match tt::hal::gpio::Mode */
+enum class GpioMode {
+    Disable = 0,
+    Input,
+    Output,
+    OutputOpenDrain,
+    InputOutput,
+    InputOutputOpenDrain
+};
+
+/** Configure a single pin */
+bool tt_hal_gpio_configure(GpioPin pin, GpioMode mode, bool pullUp, bool pullDown);
+
+/** Configure a set of pins defined by their bit index */
+bool tt_hal_gpio_configure_with_pin_bitmask(uint64_t pinBitMask, GpioMode mode, bool pullUp, bool pullDown);
+
+bool tt_hal_gpio_set_mode(GpioPin pin, GpioMode mode);
+
+bool tt_hal_gpio_get_level(GpioPin pin);
+
+bool tt_hal_gpio_set_level(GpioPin pin, bool level);
+
+int tt_hal_gpio_get_pin_count();
+
+#ifdef __cplusplus
+}
+#endif

TactilityC/Source/tt_hal_gpio.cpp

@@ -0,0 +1,32 @@
+#include "tt_hal_gpio.h"
+#include <Tactility/hal/gpio/Gpio.h>
+
+extern "C" {
+
+using namespace tt::hal;
+
+bool tt_hal_gpio_configure(GpioPin pin, GpioMode mode, bool pullUp, bool pullDown) {
+    return gpio::configure(pin, static_cast<gpio::Mode>(mode), pullUp, pullDown);
+}
+
+bool tt_hal_gpio_configure_with_pin_bitmask(uint64_t pinBitMask, GpioMode mode, bool pullUp, bool pullDown) {
+    return gpio::configureWithPinBitmask(pinBitMask, static_cast<gpio::Mode>(mode), pullUp, pullDown);
+}
+
+bool tt_hal_gpio_set_mode(GpioPin pin, GpioMode mode) {
+    return gpio::setMode(pin, static_cast<gpio::Mode>(mode));
+}
+
+bool tt_hal_gpio_get_level(GpioPin pin) {
+    return gpio::getLevel(pin);
+}
+
+bool tt_hal_gpio_set_level(GpioPin pin, bool level) {
+    return gpio::setLevel(pin, level);
+}
+
+int tt_hal_gpio_get_pin_count() {
+    return gpio::getPinCount();
+}
+
+}

TactilityC/Source/tt_init.cpp

@@ -8,6 +8,7 @@
 #include "tt_gps.h"
 #include "tt_hal_device.h"
 #include "tt_hal_display.h"
+#include "tt_hal_gpio.h"
 #include "tt_hal_i2c.h"
 #include "tt_hal_touch.h"
 #include "tt_kernel.h"
@@ -205,6 +206,12 @@ const esp_elfsym elf_symbols[] {
     ESP_ELFSYM_EXPORT(tt_hal_display_driver_lock),
     ESP_ELFSYM_EXPORT(tt_hal_display_driver_unlock),
     ESP_ELFSYM_EXPORT(tt_hal_display_driver_supported),
+    ESP_ELFSYM_EXPORT(tt_hal_gpio_configure),
+    ESP_ELFSYM_EXPORT(tt_hal_gpio_configure_with_pin_bitmask),
+    ESP_ELFSYM_EXPORT(tt_hal_gpio_set_mode),
+    ESP_ELFSYM_EXPORT(tt_hal_gpio_get_level),
+    ESP_ELFSYM_EXPORT(tt_hal_gpio_set_level),
+    ESP_ELFSYM_EXPORT(tt_hal_gpio_get_pin_count),
     ESP_ELFSYM_EXPORT(tt_hal_i2c_start),
     ESP_ELFSYM_EXPORT(tt_hal_i2c_stop),
     ESP_ELFSYM_EXPORT(tt_hal_i2c_is_started),