kopia lustrzana https://github.com/espressif/esp-idf
130 wiersze
4.8 KiB
C
130 wiersze
4.8 KiB
C
#include <stdio.h>
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#include <string.h>
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#include "sdkconfig.h"
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#include "unity.h"
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#include "test_utils.h"
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#include "driver/i2c.h"
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#include "driver/gpio.h"
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#include "esp_lcd_panel_io.h"
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#include "esp_lcd_panel_vendor.h"
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#include "esp_lcd_panel_ops.h"
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#include "esp_system.h"
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#define TEST_LCD_H_RES (128)
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#define TEST_LCD_V_RES (64)
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#define TEST_I2C_SDA_GPIO (3)
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#define TEST_I2C_SCL_GPIO (4)
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#define TEST_I2C_HOST_ID (0)
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#define TEST_I2C_DEV_ADDR (0x3C)
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#define TEST_LCD_PIXEL_CLOCK_HZ (400 * 1000)
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TEST_CASE("lcd panel with i2c interface (ssd1306)", "[lcd]")
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{
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const uint8_t pattern[][16] = {{
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0x00, 0x7E, 0x42, 0x42, 0x42, 0x42, 0x7E, 0x00,
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0x00, 0x7E, 0x42, 0x42, 0x42, 0x42, 0x7E, 0x00
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},
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{
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0x81, 0x42, 0x24, 0x18, 0x18, 0x24, 0x42, 0x81,
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0x81, 0x42, 0x24, 0x18, 0x18, 0x24, 0x42, 0x81
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}
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};
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i2c_config_t conf = {
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.mode = I2C_MODE_MASTER,
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.sda_io_num = TEST_I2C_SDA_GPIO,
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.scl_io_num = TEST_I2C_SCL_GPIO,
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.sda_pullup_en = GPIO_PULLUP_ENABLE,
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.scl_pullup_en = GPIO_PULLUP_ENABLE,
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.master.clk_speed = TEST_LCD_PIXEL_CLOCK_HZ,
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};
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TEST_ESP_OK(i2c_param_config(TEST_I2C_HOST_ID, &conf));
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TEST_ESP_OK(i2c_driver_install(TEST_I2C_HOST_ID, I2C_MODE_MASTER, 0, 0, 0));
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esp_lcd_panel_io_handle_t io_handle = NULL;
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esp_lcd_panel_io_i2c_config_t io_config = {
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.dev_addr = TEST_I2C_DEV_ADDR,
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.control_phase_bytes = 1, // According to SSD1306 datasheet
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.dc_bit_offset = 6, // According to SSD1306 datasheet
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.lcd_cmd_bits = 8, // According to SSD1306 datasheet
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.lcd_param_bits = 8, // According to SSD1306 datasheet
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};
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TEST_ESP_OK(esp_lcd_new_panel_io_i2c((esp_lcd_i2c_bus_handle_t)TEST_I2C_HOST_ID, &io_config, &io_handle));
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esp_lcd_panel_handle_t panel_handle = NULL;
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esp_lcd_panel_dev_config_t panel_config = {
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.bits_per_pixel = 1,
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.color_space = ESP_LCD_COLOR_SPACE_MONOCHROME,
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.reset_gpio_num = -1,
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};
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TEST_ESP_OK(esp_lcd_new_panel_ssd1306(io_handle, &panel_config, &panel_handle));
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TEST_ESP_OK(esp_lcd_panel_reset(panel_handle));
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TEST_ESP_OK(esp_lcd_panel_init(panel_handle));
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for (int i = 0; i < TEST_LCD_H_RES / 16; i++) {
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for (int j = 0; j < TEST_LCD_V_RES / 8; j++) {
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TEST_ESP_OK(esp_lcd_panel_draw_bitmap(panel_handle, i * 16, j * 8, i * 16 + 16, j * 8 + 8, pattern[i & 0x01]));
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}
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}
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TEST_ESP_OK(esp_lcd_panel_del(panel_handle));
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TEST_ESP_OK(esp_lcd_panel_io_del(io_handle));
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TEST_ESP_OK(i2c_driver_delete(TEST_I2C_HOST_ID));
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}
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// The following test shows a porting example of LVGL GUI library
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// To run the LVGL tests, you need to clone the LVGL library into components directory firstly
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#if CONFIG_LV_USE_USER_DATA
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#include "test_lvgl_port.h"
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#if CONFIG_LV_COLOR_DEPTH_1
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static bool notify_lvgl_ready_to_flush(esp_lcd_panel_io_handle_t panel_io, esp_lcd_panel_io_event_data_t *edata, void *user_ctx)
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{
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lv_disp_t *disp = *(lv_disp_t **)user_ctx;
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lv_disp_flush_ready(&disp->driver);
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return false;
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}
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TEST_CASE("lvgl gui with i2c interface (ssd1306)", "[lcd][lvgl][ignore]")
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{
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// initialize LVGL graphics library
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lv_disp_t *disp = NULL;
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lv_init();
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i2c_config_t conf = {
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.mode = I2C_MODE_MASTER,
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.sda_io_num = TEST_I2C_SDA_GPIO,
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.scl_io_num = TEST_I2C_SCL_GPIO,
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.sda_pullup_en = GPIO_PULLUP_ENABLE,
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.scl_pullup_en = GPIO_PULLUP_ENABLE,
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.master.clk_speed = TEST_LCD_PIXEL_CLOCK_HZ,
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};
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TEST_ESP_OK(i2c_param_config(TEST_I2C_HOST_ID, &conf));
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TEST_ESP_OK(i2c_driver_install(TEST_I2C_HOST_ID, I2C_MODE_MASTER, 0, 0, 0));
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esp_lcd_panel_io_handle_t io_handle = NULL;
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esp_lcd_panel_io_i2c_config_t io_config = {
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.dev_addr = TEST_I2C_DEV_ADDR,
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.control_phase_bytes = 1, // According to SSD1306 datasheet
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.dc_bit_offset = 6, // According to SSD1306 datasheet
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.lcd_cmd_bits = 8, // According to SSD1306 datasheet
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.lcd_param_bits = 8, // According to SSD1306 datasheet
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.on_color_trans_done = notify_lvgl_ready_to_flush,
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.user_ctx = &disp,
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};
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TEST_ESP_OK(esp_lcd_new_panel_io_i2c((esp_lcd_i2c_bus_handle_t)TEST_I2C_HOST_ID, &io_config, &io_handle));
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esp_lcd_panel_handle_t panel_handle = NULL;
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esp_lcd_panel_dev_config_t panel_config = {
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.bits_per_pixel = 1,
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.color_space = ESP_LCD_COLOR_SPACE_MONOCHROME,
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.reset_gpio_num = -1,
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};
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TEST_ESP_OK(esp_lcd_new_panel_ssd1306(io_handle, &panel_config, &panel_handle));
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TEST_ESP_OK(esp_lcd_panel_reset(panel_handle));
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TEST_ESP_OK(esp_lcd_panel_init(panel_handle));
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test_lvgl_task_loop(panel_handle, TEST_LCD_H_RES, TEST_LCD_V_RES, &disp);
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}
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#endif // CONFIG_LV_COLOR_DEPTH_1
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#endif // CONFIG_LV_USE_USER_DATA
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