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https://github.com/ByteWelder/Tactility.git
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96eccbdc8d
Replace LGPL from past commit with Apache License 2.0 for the newly created projects: - in Platforms/* - TactilityKernel Add license headers to source code in: - in Platforms/* - TactilityKernel - TactilityFreeRtos Updated LICENSE.md
118 lines
3.0 KiB
C++
118 lines
3.0 KiB
C++
// SPDX-License-Identifier: Apache-2.0
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#include <driver/gpio.h>
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#include <Tactility/Driver.h>
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#include <Tactility/drivers/Esp32Gpio.h>
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#include <Tactility/drivers/GpioController.h>
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#include <Tactility/drivers/Gpio.h>
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#include <Tactility/Log.h>
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#define TAG LOG_TAG(esp32_gpio)
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#define GET_CONFIG(device) ((struct Esp32GpioConfig*)device->internal.driver_data)
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extern "C" {
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static bool set_level(Device* device, gpio_pin_t pin, bool high) {
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return gpio_set_level(static_cast<gpio_num_t>(pin), high) == ESP_OK;
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}
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static bool get_level(Device* device, gpio_pin_t pin, bool* high) {
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*high = gpio_get_level(static_cast<gpio_num_t>(pin)) != 0;
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return true;
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}
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static bool set_options(Device* device, gpio_pin_t pin, gpio_flags_t options) {
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const Esp32GpioConfig* config = GET_CONFIG(device);
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if (pin >= config->gpio_count) {
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return false;
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}
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gpio_mode_t mode;
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if ((options & GPIO_DIRECTION_INPUT_OUTPUT) == GPIO_DIRECTION_INPUT_OUTPUT) {
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mode = GPIO_MODE_INPUT_OUTPUT;
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} else if (options & GPIO_DIRECTION_INPUT) {
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mode = GPIO_MODE_INPUT;
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} else if (options & GPIO_DIRECTION_OUTPUT) {
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mode = GPIO_MODE_OUTPUT;
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} else {
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ESP_LOGE(TAG, "set_options: no direction flag specified for pin %d", pin);
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return false;
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}
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const gpio_config_t esp_config = {
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.pin_bit_mask = 1ULL << pin,
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.mode = mode,
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.pull_up_en = (options & GPIO_PULL_UP) ? GPIO_PULLUP_ENABLE : GPIO_PULLUP_DISABLE,
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.pull_down_en = (options & GPIO_PULL_DOWN) ? GPIO_PULLDOWN_ENABLE : GPIO_PULLDOWN_DISABLE,
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.intr_type = GPIO_INTERRUPT_FROM_OPTIONS(options),
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#if SOC_GPIO_SUPPORT_PIN_HYS_FILTER
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.hys_ctrl_mode = GPIO_HYS_SOFT_DISABLE
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#endif
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};
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return gpio_config(&esp_config) == ESP_OK;
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}
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static bool get_options(Device* device, gpio_pin_t pin, gpio_flags_t* options) {
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gpio_io_config_t esp_config;
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if (gpio_get_io_config((gpio_num_t)pin, &esp_config) != ESP_OK) {
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return false;
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}
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gpio_flags_t output = 0;
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if (esp_config.pu) {
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output |= GPIO_PULL_UP;
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}
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if (esp_config.pd) {
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output |= GPIO_PULL_DOWN;
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}
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if (esp_config.ie) {
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output |= GPIO_DIRECTION_INPUT;
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}
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if (esp_config.oe) {
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output |= GPIO_DIRECTION_OUTPUT;
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}
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if (esp_config.oe_inv) {
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output |= GPIO_ACTIVE_LOW;
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}
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*options = output;
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return true;
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}
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static int start(Device* device) {
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ESP_LOGI(TAG, "start %s", device->name);
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return 0;
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}
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static int stop(Device* device) {
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ESP_LOGI(TAG, "stop %s", device->name);
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return 0;
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}
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const static GpioControllerApi esp32_gpio_api = {
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.set_level = set_level,
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.get_level = get_level,
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.set_options = set_options,
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.get_options = get_options
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};
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Driver esp32_gpio_driver = {
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.name = "esp32_gpio",
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.compatible = (const char*[]) { "espressif,esp32-gpio", nullptr },
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.start_device = start,
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.stop_device = stop,
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.api = (void*)&esp32_gpio_api,
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.device_type = nullptr,
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.internal = { 0 }
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};
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} // extern "C"
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