mirror of
https://github.com/Lurkars/esp-ena.git
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115 lines
3.4 KiB
C
115 lines
3.4 KiB
C
// Copyright 2020 Lukas Haubaum
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//
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// Licensed under the GNU Affero General Public License, Version 3;
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// https://www.gnu.org/licenses/agpl-3.0.html
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <stdio.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "driver/gpio.h"
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#include "esp_log.h"
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#include "ssd1306.h"
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#include "ssd1306-gfx.h"
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#include "interface.h"
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static int old_button_states[GPIO_PIN_COUNT];
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static int button_states[GPIO_PIN_COUNT];
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static interface_button_callback button_callbacks[GPIO_PIN_COUNT];
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static interface_display_function current_display_function;
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void interface_register_button_callback(int button_gpio, interface_button_callback callback)
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{
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button_callbacks[button_gpio] = callback;
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}
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void interface_set_display_function(interface_display_function display_function)
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{
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ssd1306_clear(SSD1306_ADDRESS);
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current_display_function = display_function;
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}
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void interface_input_check(uint8_t gpio)
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{
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button_states[gpio] = gpio_get_level(gpio);
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if (old_button_states[gpio] != 0 && old_button_states[gpio] != 1)
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{
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old_button_states[gpio] = 1;
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}
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if (button_states[gpio] == 0 && button_states[gpio] != old_button_states[gpio] && button_callbacks[gpio] != NULL)
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{
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ssd1306_clear(SSD1306_ADDRESS);
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(*button_callbacks[gpio])();
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}
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old_button_states[gpio] = button_states[gpio];
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}
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void interface_input_task(void *pvParameter)
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{
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while (1)
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{
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interface_input_check(INTERFACE_BUTTON_RST);
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interface_input_check(INTERFACE_BUTTON_SET);
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interface_input_check(INTERFACE_BUTTON_LFT);
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interface_input_check(INTERFACE_BUTTON_RHT);
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interface_input_check(INTERFACE_BUTTON_MID);
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interface_input_check(INTERFACE_BUTTON_UP);
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interface_input_check(INTERFACE_BUTTON_DWN);
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vTaskDelay(20 / portTICK_PERIOD_MS);
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}
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}
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void interface_display_task(void *pvParameter)
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{
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while (1)
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{
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if (current_display_function != NULL)
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{
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(*current_display_function)();
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}
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vTaskDelay(500 / portTICK_PERIOD_MS);
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}
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}
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void interface_start(void)
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{
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gpio_config_t io_conf;
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io_conf.pin_bit_mask = (1ULL << INTERFACE_BUTTON_RST) | (1ULL << INTERFACE_BUTTON_SET) |
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(1ULL << INTERFACE_BUTTON_MID) | (1ULL << INTERFACE_BUTTON_RHT) |
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(1ULL << INTERFACE_BUTTON_LFT) | (1ULL << INTERFACE_BUTTON_DWN) |
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(1ULL << INTERFACE_BUTTON_UP);
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io_conf.intr_type = GPIO_INTR_DISABLE;
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io_conf.mode = GPIO_MODE_INPUT;
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io_conf.pull_up_en = GPIO_PULLUP_ENABLE;
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io_conf.pull_down_en = GPIO_PULLDOWN_DISABLE;
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gpio_config(&io_conf);
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xTaskCreate(&interface_input_task, "interface_input_task", 4096, NULL, 5, NULL);
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xTaskCreate(&interface_display_task, "interface_display_task", 4096, NULL, 5, NULL);
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// init label
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interface_init_label();
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ssd1306_start(SSD1306_ADDRESS);
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ssd1306_clear(SSD1306_ADDRESS);
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for (int i = 0; i < 8; i++)
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{
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ssd1306_data(SSD1306_ADDRESS, ssd1306_gfx_logo[i], 64, i, 32, false);
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}
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}
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