551 lines
23 KiB
C
551 lines
23 KiB
C
/*
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* SPDX-FileCopyrightText: 2021-2024 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <stdlib.h>
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#include <sys/cdefs.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "esp_lcd_panel_interface.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_lcd_panel_commands.h"
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#include "driver/gpio.h"
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#include "esp_log.h"
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#include "esp_check.h"
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#include "esp_lcd_touch.h"
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#include "esp_lcd_axs15231b.h"
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/*max point num*/
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#define AXS_MAX_TOUCH_NUMBER (1)
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#define LCD_OPCODE_WRITE_CMD (0x02ULL)
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#define LCD_OPCODE_READ_CMD (0x0BULL)
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#define LCD_OPCODE_WRITE_COLOR (0x32ULL)
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static const char *TAG = "lcd_panel.axs15231b";
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static esp_err_t panel_axs15231b_del(esp_lcd_panel_t *panel);
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static esp_err_t panel_axs15231b_reset(esp_lcd_panel_t *panel);
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static esp_err_t panel_axs15231b_init(esp_lcd_panel_t *panel);
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static esp_err_t panel_axs15231b_draw_bitmap(esp_lcd_panel_t *panel, int x_start, int y_start, int x_end, int y_end, const void *color_data);
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static esp_err_t panel_axs15231b_invert_color(esp_lcd_panel_t *panel, bool invert_color_data);
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static esp_err_t panel_axs15231b_mirror(esp_lcd_panel_t *panel, bool mirror_x, bool mirror_y);
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static esp_err_t panel_axs15231b_swap_xy(esp_lcd_panel_t *panel, bool swap_axes);
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static esp_err_t panel_axs15231b_set_gap(esp_lcd_panel_t *panel, int x_gap, int y_gap);
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static esp_err_t panel_axs15231b_disp_off(esp_lcd_panel_t *panel, bool off);
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static esp_err_t touch_axs15231b_read_data(esp_lcd_touch_handle_t tp);
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static bool touch_axs15231b_get_xy(esp_lcd_touch_handle_t tp, uint16_t *x, uint16_t *y, uint16_t *strength, uint8_t *point_num, uint8_t max_point_num);
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static esp_err_t touch_axs15231b_del(esp_lcd_touch_handle_t tp);
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static esp_err_t touch_axs15231b_reset(esp_lcd_touch_handle_t tp);
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static esp_err_t i2c_read_bytes(esp_lcd_touch_handle_t tp, int reg, uint8_t *data, uint8_t len);
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static esp_err_t i2c_write_bytes(esp_lcd_touch_handle_t tp, int reg, const uint8_t *data, uint8_t len);
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typedef struct {
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esp_lcd_panel_t base;
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esp_lcd_panel_io_handle_t io;
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int reset_gpio_num;
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int x_gap;
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int y_gap;
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uint8_t fb_bits_per_pixel;
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uint8_t madctl_val; // save current value of LCD_CMD_MADCTL register
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uint8_t colmod_val; // save surrent value of LCD_CMD_COLMOD register
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const axs15231b_lcd_init_cmd_t *init_cmds;
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uint16_t init_cmds_size;
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struct {
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unsigned int use_qspi_interface: 1;
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unsigned int reset_level: 1;
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} flags;
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} axs15231b_panel_t;
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esp_err_t esp_lcd_new_panel_axs15231b(const esp_lcd_panel_io_handle_t io, const esp_lcd_panel_dev_config_t *panel_dev_config, esp_lcd_panel_handle_t *ret_panel)
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{
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esp_err_t ret = ESP_OK;
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axs15231b_panel_t *axs15231b = NULL;
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ESP_GOTO_ON_FALSE(io && panel_dev_config && ret_panel, ESP_ERR_INVALID_ARG, err, TAG, "invalid argument");
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axs15231b = calloc(1, sizeof(axs15231b_panel_t));
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ESP_GOTO_ON_FALSE(axs15231b, ESP_ERR_NO_MEM, err, TAG, "no mem for axs15231b panel");
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if (panel_dev_config->reset_gpio_num >= 0) {
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gpio_config_t io_conf = {
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.mode = GPIO_MODE_OUTPUT,
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.pin_bit_mask = 1ULL << panel_dev_config->reset_gpio_num,
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};
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ESP_GOTO_ON_ERROR(gpio_config(&io_conf), err, TAG, "configure GPIO for RST line failed");
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}
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switch (panel_dev_config->color_space) {
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case LCD_RGB_ELEMENT_ORDER_RGB:
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axs15231b->madctl_val = 0;
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break;
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case LCD_RGB_ELEMENT_ORDER_BGR:
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axs15231b->madctl_val |= LCD_CMD_BGR_BIT;
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break;
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default:
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ESP_GOTO_ON_FALSE(false, ESP_ERR_NOT_SUPPORTED, err, TAG, "unsupported RGB element order");
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break;
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}
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uint8_t fb_bits_per_pixel = 0;
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switch (panel_dev_config->bits_per_pixel) {
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case 16: // RGB565
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axs15231b->colmod_val = 0x55;
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fb_bits_per_pixel = 16;
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break;
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case 18: // RGB666
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axs15231b->colmod_val = 0x66;
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// each color component (R/G/B) should occupy the 6 high bits of a byte, which means 3 full bytes are required for a pixel
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fb_bits_per_pixel = 24;
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break;
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default:
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ESP_GOTO_ON_FALSE(false, ESP_ERR_NOT_SUPPORTED, err, TAG, "unsupported pixel width");
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break;
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}
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axs15231b->io = io;
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axs15231b->fb_bits_per_pixel = fb_bits_per_pixel;
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axs15231b->reset_gpio_num = panel_dev_config->reset_gpio_num;
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axs15231b->flags.reset_level = panel_dev_config->flags.reset_active_high;
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if (panel_dev_config->vendor_config) {
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axs15231b->init_cmds = ((axs15231b_vendor_config_t *)panel_dev_config->vendor_config)->init_cmds;
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axs15231b->init_cmds_size = ((axs15231b_vendor_config_t *)panel_dev_config->vendor_config)->init_cmds_size;
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axs15231b->flags.use_qspi_interface = ((axs15231b_vendor_config_t *)panel_dev_config->vendor_config)->flags.use_qspi_interface;
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}
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axs15231b->base.del = panel_axs15231b_del;
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axs15231b->base.reset = panel_axs15231b_reset;
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axs15231b->base.init = panel_axs15231b_init;
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axs15231b->base.draw_bitmap = panel_axs15231b_draw_bitmap;
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axs15231b->base.invert_color = panel_axs15231b_invert_color;
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axs15231b->base.set_gap = panel_axs15231b_set_gap;
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axs15231b->base.mirror = panel_axs15231b_mirror;
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axs15231b->base.swap_xy = panel_axs15231b_swap_xy;
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axs15231b->base.disp_on_off = panel_axs15231b_disp_off;
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*ret_panel = &(axs15231b->base);
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ESP_LOGD(TAG, "new axs15231b panel @%p", axs15231b);
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ESP_LOGI(TAG, "LCD panel create success, version: %d.%d.%d", ESP_LCD_AXS15231B_VER_MAJOR, ESP_LCD_AXS15231B_VER_MINOR,
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ESP_LCD_AXS15231B_VER_PATCH);
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return ESP_OK;
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err:
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if (axs15231b) {
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if (panel_dev_config->reset_gpio_num >= 0) {
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gpio_reset_pin(panel_dev_config->reset_gpio_num);
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}
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free(axs15231b);
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}
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return ret;
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}
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static esp_err_t tx_param(axs15231b_panel_t *axs15231b, esp_lcd_panel_io_handle_t io, int lcd_cmd, const void *param, size_t param_size)
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{
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if (axs15231b->flags.use_qspi_interface) {
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lcd_cmd &= 0xff;
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lcd_cmd <<= 8;
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lcd_cmd |= LCD_OPCODE_WRITE_CMD << 24;
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}
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return esp_lcd_panel_io_tx_param(io, lcd_cmd, param, param_size);
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}
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static esp_err_t tx_color(axs15231b_panel_t *axs15231b, esp_lcd_panel_io_handle_t io, int lcd_cmd, const void *param, size_t param_size)
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{
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if (axs15231b->flags.use_qspi_interface) {
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lcd_cmd &= 0xff;
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lcd_cmd <<= 8;
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lcd_cmd |= LCD_OPCODE_WRITE_COLOR << 24;
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}
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return esp_lcd_panel_io_tx_color(io, lcd_cmd, param, param_size);
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}
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static esp_err_t panel_axs15231b_del(esp_lcd_panel_t *panel)
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{
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axs15231b_panel_t *axs15231b = __containerof(panel, axs15231b_panel_t, base);
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if (axs15231b->reset_gpio_num >= 0) {
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gpio_reset_pin(axs15231b->reset_gpio_num);
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}
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ESP_LOGD(TAG, "del axs15231b panel @%p", axs15231b);
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free(axs15231b);
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return ESP_OK;
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}
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static esp_err_t panel_axs15231b_reset(esp_lcd_panel_t *panel)
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{
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axs15231b_panel_t *axs15231b = __containerof(panel, axs15231b_panel_t, base);
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esp_lcd_panel_io_handle_t io = axs15231b->io;
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// perform hardware reset
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if (axs15231b->reset_gpio_num >= 0) {
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gpio_set_level(axs15231b->reset_gpio_num, !axs15231b->flags.reset_level);
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vTaskDelay(pdMS_TO_TICKS(10));
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gpio_set_level(axs15231b->reset_gpio_num, axs15231b->flags.reset_level);
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vTaskDelay(pdMS_TO_TICKS(10));
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gpio_set_level(axs15231b->reset_gpio_num, !axs15231b->flags.reset_level);
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vTaskDelay(pdMS_TO_TICKS(120));
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} else { // perform software reset
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tx_param(axs15231b, io, LCD_CMD_SWRESET, NULL, 0);
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vTaskDelay(pdMS_TO_TICKS(120)); // spec, wait at least 5m before sending new command
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}
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return ESP_OK;
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}
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static const axs15231b_lcd_init_cmd_t vendor_specific_init_default[] = {
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{0xBB, (uint8_t[]){0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x5A, 0xA5}, 8, 0},
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{0xA0, (uint8_t[]){0x00, 0x10, 0x00, 0x02, 0x00, 0x00, 0x64, 0x3F, 0x20, 0x05, 0x3F, 0x3F, 0x00, 0x00, 0x00, 0x00, 0x00}, 17, 0},
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{0xA2, (uint8_t[]){0x30, 0x04, 0x0A, 0x3C, 0xEC, 0x54, 0xC4, 0x30, 0xAC, 0x28, 0x7F, 0x7F, 0x7F, 0x20, 0xF8, 0x10, 0x02, 0xFF, 0xFF, 0xF0, 0x90, 0x01, 0x32, 0xA0, 0x91, 0xC0, 0x20, 0x7F, 0xFF, 0x00, 0x54}, 31, 0},
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{0xD0, (uint8_t[]){0x30, 0xAC, 0x21, 0x24, 0x08, 0x09, 0x10, 0x01, 0xAA, 0x14, 0xC2, 0x00, 0x22, 0x22, 0xAA, 0x03, 0x10, 0x12, 0x40, 0x14, 0x1E, 0x51, 0x15, 0x00, 0x40, 0x10, 0x00, 0x03, 0x3D, 0x12}, 30, 0},
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{0xA3, (uint8_t[]){0xA0, 0x06, 0xAA, 0x08, 0x08, 0x02, 0x0A, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x00, 0x55, 0x55}, 22, 0},
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{0xC1, (uint8_t[]){0x33, 0x04, 0x02, 0x02, 0x71, 0x05, 0x24, 0x55, 0x02, 0x00, 0x41, 0x00, 0x53, 0xFF, 0xFF, 0xFF, 0x4F, 0x52, 0x00, 0x4F, 0x52, 0x00, 0x45, 0x3B, 0x0B, 0x02, 0x0D, 0x00, 0xFF, 0x40}, 30, 0},
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{0xC3, (uint8_t[]){0x00, 0x00, 0x00, 0x50, 0x03, 0x00, 0x00, 0x00, 0x01, 0x80, 0x01}, 11, 0},
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{0xC4, (uint8_t[]){0x00, 0x24, 0x33, 0x90, 0x50, 0xea, 0x64, 0x32, 0xC8, 0x64, 0xC8, 0x32, 0x90, 0x90, 0x11, 0x06, 0xDC, 0xFA, 0x04, 0x03, 0x80, 0xFE, 0x10, 0x10, 0x00, 0x0A, 0x0A, 0x44, 0x50}, 29, 0},
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{0xC5, (uint8_t[]){0x18, 0x00, 0x00, 0x03, 0xFE, 0x78, 0x33, 0x20, 0x30, 0x10, 0x88, 0xDE, 0x0D, 0x08, 0x0F, 0x0F, 0x01, 0x78, 0x33, 0x20, 0x10, 0x10, 0x80}, 23, 0},
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{0xC6, (uint8_t[]){0x05, 0x0A, 0x05, 0x0A, 0x00, 0xE0, 0x2E, 0x0B, 0x12, 0x22, 0x12, 0x22, 0x01, 0x00, 0x00, 0x3F, 0x6A, 0x18, 0xC8, 0x22}, 20, 0},
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{0xC7, (uint8_t[]){0x50, 0x32, 0x28, 0x00, 0xa2, 0x80, 0x8f, 0x00, 0x80, 0xff, 0x07, 0x11, 0x9F, 0x6f, 0xff, 0x26, 0x0c, 0x0d, 0x0e, 0x0f}, 20, 0},
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{0xC9, (uint8_t[]){0x33, 0x44, 0x44, 0x01}, 4, 0},
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{0xCF, (uint8_t[]){0x34, 0x1E, 0x88, 0x58, 0x13, 0x18, 0x56, 0x18, 0x1E, 0x68, 0xF7, 0x00, 0x65, 0x0C, 0x22, 0xC4, 0x0C, 0x77, 0x22, 0x44, 0xAA, 0x55, 0x04, 0x04, 0x12, 0xA0, 0x08}, 27, 0},
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{0xD5, (uint8_t[]){0x3E, 0x3E, 0x88, 0x00, 0x44, 0x04, 0x78, 0x33, 0x20, 0x78, 0x33, 0x20, 0x04, 0x28, 0xD3, 0x47, 0x03, 0x03, 0x03, 0x03, 0x86, 0x00, 0x00, 0x00, 0x30, 0x52, 0x3f, 0x40, 0x40, 0x96}, 30, 0},
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{0xD6, (uint8_t[]){0x10, 0x32, 0x54, 0x76, 0x98, 0xBA, 0xDC, 0xFE, 0x95, 0x00, 0x01, 0x83, 0x75, 0x36, 0x20, 0x75, 0x36, 0x20, 0x3F, 0x03, 0x03, 0x03, 0x10, 0x10, 0x00, 0x04, 0x51, 0x20, 0x01, 0x00}, 30, 0},
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{0xD7, (uint8_t[]){0x0a, 0x08, 0x0e, 0x0c, 0x1E, 0x18, 0x19, 0x1F, 0x00, 0x1F, 0x1A, 0x1F, 0x3E, 0x3E, 0x04, 0x00, 0x1F, 0x1F, 0x1F}, 19, 0},
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{0xD8, (uint8_t[]){0x0B, 0x09, 0x0F, 0x0D, 0x1E, 0x18, 0x19, 0x1F, 0x01, 0x1F, 0x1A, 0x1F}, 12, 0},
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{0xD9, (uint8_t[]){0x00, 0x0D, 0x0F, 0x09, 0x0B, 0x1F, 0x18, 0x19, 0x1F, 0x01, 0x1E, 0x1A, 0x1F}, 13, 0},
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{0xDD, (uint8_t[]){0x0C, 0x0E, 0x08, 0x0A, 0x1F, 0x18, 0x19, 0x1F, 0x00, 0x1E, 0x1A, 0x1F}, 12, 0},
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{0xDF, (uint8_t[]){0x44, 0x73, 0x4B, 0x69, 0x00, 0x0A, 0x02, 0x90}, 8, 0},
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{0xE0, (uint8_t[]){0x19, 0x20, 0x0A, 0x13, 0x0E, 0x09, 0x12, 0x28, 0xD4, 0x24, 0x0C, 0x35, 0x13, 0x31, 0x36, 0x2f, 0x03}, 17, 0},
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{0xE1, (uint8_t[]){0x38, 0x20, 0x09, 0x12, 0x0E, 0x08, 0x12, 0x28, 0xC5, 0x24, 0x0C, 0x34, 0x12, 0x31, 0x36, 0x2f, 0x27}, 17, 0},
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{0xE2, (uint8_t[]){0x19, 0x20, 0x0A, 0x11, 0x09, 0x06, 0x11, 0x25, 0xD4, 0x22, 0x0B, 0x33, 0x12, 0x2D, 0x32, 0x2f, 0x03}, 17, 0},
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{0xE3, (uint8_t[]){0x38, 0x20, 0x0A, 0x11, 0x09, 0x06, 0x11, 0x25, 0xC4, 0x21, 0x0A, 0x32, 0x11, 0x2C, 0x32, 0x2f, 0x27}, 17, 0},
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{0xE4, (uint8_t[]){0x19, 0x20, 0x0D, 0x14, 0x0D, 0x08, 0x12, 0x2A, 0xD4, 0x26, 0x0E, 0x35, 0x13, 0x34, 0x39, 0x2f, 0x03}, 17, 0},
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{0xE5, (uint8_t[]){0x38, 0x20, 0x0D, 0x13, 0x0D, 0x07, 0x12, 0x29, 0xC4, 0x25, 0x0D, 0x35, 0x12, 0x33, 0x39, 0x2f, 0x27}, 17, 0},
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{0xBB, (uint8_t[]){0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, 8, 0},
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{0x13, (uint8_t[]){0x00}, 0, 0},
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{0x11, (uint8_t[]){0x00}, 0, 200},
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{0x29, (uint8_t[]){0x00}, 0, 200},
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{0x2C, (uint8_t[]){0x00, 0x00, 0x00, 0x00}, 4, 0},
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{0x22, (uint8_t[]){0x00}, 0, 200},//All Pixels off
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};
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static esp_err_t panel_axs15231b_init(esp_lcd_panel_t *panel)
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{
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axs15231b_panel_t *axs15231b = __containerof(panel, axs15231b_panel_t, base);
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esp_lcd_panel_io_handle_t io = axs15231b->io;
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// LCD goes into sleep mode and display will be turned off after power on reset, exit sleep mode first
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ESP_RETURN_ON_ERROR(tx_param(axs15231b, io, LCD_CMD_SLPOUT, NULL, 0), TAG, "send command failed");
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vTaskDelay(pdMS_TO_TICKS(100));
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ESP_RETURN_ON_ERROR(tx_param(axs15231b, io, LCD_CMD_MADCTL, (uint8_t[]) {
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axs15231b->madctl_val,
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}, 1), TAG, "send command failed");
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ESP_RETURN_ON_ERROR(tx_param(axs15231b, io, LCD_CMD_COLMOD, (uint8_t[]) {
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axs15231b->colmod_val,
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}, 1), TAG, "send command failed");
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const axs15231b_lcd_init_cmd_t *init_cmds = NULL;
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uint16_t init_cmds_size = 0;
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if (axs15231b->init_cmds) {
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init_cmds = axs15231b->init_cmds;
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init_cmds_size = axs15231b->init_cmds_size;
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} else {
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init_cmds = vendor_specific_init_default;
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init_cmds_size = sizeof(vendor_specific_init_default) / sizeof(axs15231b_lcd_init_cmd_t);
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}
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bool is_cmd_overwritten = false;
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for (int i = 0; i < init_cmds_size; i++) {
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// Check if the command has been used or conflicts with the internal
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switch (init_cmds[i].cmd) {
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case LCD_CMD_MADCTL:
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is_cmd_overwritten = true;
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axs15231b->madctl_val = ((uint8_t *)init_cmds[i].data)[0];
|
|
break;
|
|
case LCD_CMD_COLMOD:
|
|
is_cmd_overwritten = true;
|
|
axs15231b->colmod_val = ((uint8_t *)init_cmds[i].data)[0];
|
|
break;
|
|
default:
|
|
is_cmd_overwritten = false;
|
|
break;
|
|
}
|
|
|
|
if (is_cmd_overwritten) {
|
|
ESP_LOGW(TAG, "The %02Xh command has been used and will be overwritten by external initialization sequence", init_cmds[i].cmd);
|
|
}
|
|
ESP_RETURN_ON_ERROR(tx_param(axs15231b, io, init_cmds[i].cmd, init_cmds[i].data, init_cmds[i].data_bytes), TAG, "send command failed");
|
|
vTaskDelay(pdMS_TO_TICKS(init_cmds[i].delay_ms));
|
|
}
|
|
ESP_LOGI(TAG, "send init commands success");
|
|
|
|
return ESP_OK;
|
|
}
|
|
|
|
static esp_err_t panel_axs15231b_draw_bitmap(esp_lcd_panel_t *panel, int x_start, int y_start, int x_end, int y_end, const void *color_data)
|
|
{
|
|
axs15231b_panel_t *axs15231b = __containerof(panel, axs15231b_panel_t, base);
|
|
assert((x_start < x_end) && (y_start < y_end) && "start position must be smaller than end position");
|
|
esp_lcd_panel_io_handle_t io = axs15231b->io;
|
|
|
|
x_start += axs15231b->x_gap;
|
|
x_end += axs15231b->x_gap;
|
|
y_start += axs15231b->y_gap;
|
|
y_end += axs15231b->y_gap;
|
|
|
|
// define an area of frame memory where MCU can access
|
|
tx_param(axs15231b, io, LCD_CMD_CASET, (uint8_t[]) {
|
|
(x_start >> 8) & 0xFF,
|
|
x_start & 0xFF,
|
|
((x_end - 1) >> 8) & 0xFF,
|
|
(x_end - 1) & 0xFF,
|
|
}, 4);
|
|
|
|
if (0 == axs15231b->flags.use_qspi_interface) {
|
|
tx_param(axs15231b, io, LCD_CMD_RASET, (uint8_t[]) {
|
|
(y_start >> 8) & 0xFF,
|
|
y_start & 0xFF,
|
|
((y_end - 1) >> 8) & 0xFF,
|
|
(y_end - 1) & 0xFF,
|
|
}, 4);
|
|
}
|
|
|
|
// transfer frame buffer
|
|
size_t len = (x_end - x_start) * (y_end - y_start) * axs15231b->fb_bits_per_pixel / 8;
|
|
if (y_start == 0) {
|
|
tx_color(axs15231b, io, LCD_CMD_RAMWR, color_data, len);//2C
|
|
} else {
|
|
tx_color(axs15231b, io, LCD_CMD_RAMWRC, color_data, len);//3C
|
|
}
|
|
|
|
return ESP_OK;
|
|
}
|
|
|
|
static esp_err_t panel_axs15231b_invert_color(esp_lcd_panel_t *panel, bool invert_color_data)
|
|
{
|
|
axs15231b_panel_t *axs15231b = __containerof(panel, axs15231b_panel_t, base);
|
|
esp_lcd_panel_io_handle_t io = axs15231b->io;
|
|
int command = 0;
|
|
if (invert_color_data) {
|
|
command = LCD_CMD_INVON;
|
|
} else {
|
|
command = LCD_CMD_INVOFF;
|
|
}
|
|
tx_param(axs15231b, io, command, NULL, 0);
|
|
return ESP_OK;
|
|
}
|
|
|
|
static esp_err_t panel_axs15231b_mirror(esp_lcd_panel_t *panel, bool mirror_x, bool mirror_y)
|
|
{
|
|
axs15231b_panel_t *axs15231b = __containerof(panel, axs15231b_panel_t, base);
|
|
esp_lcd_panel_io_handle_t io = axs15231b->io;
|
|
if (mirror_x) {
|
|
axs15231b->madctl_val |= LCD_CMD_MX_BIT;
|
|
} else {
|
|
axs15231b->madctl_val &= ~LCD_CMD_MX_BIT;
|
|
}
|
|
if (mirror_y) {
|
|
axs15231b->madctl_val |= LCD_CMD_MY_BIT;
|
|
} else {
|
|
axs15231b->madctl_val &= ~LCD_CMD_MY_BIT;
|
|
}
|
|
tx_param(axs15231b, io, LCD_CMD_MADCTL, (uint8_t[]) {
|
|
axs15231b->madctl_val
|
|
}, 1);
|
|
return ESP_OK;
|
|
}
|
|
|
|
static esp_err_t panel_axs15231b_swap_xy(esp_lcd_panel_t *panel, bool swap_axes)
|
|
{
|
|
axs15231b_panel_t *axs15231b = __containerof(panel, axs15231b_panel_t, base);
|
|
esp_lcd_panel_io_handle_t io = axs15231b->io;
|
|
if (swap_axes) {
|
|
axs15231b->madctl_val |= LCD_CMD_MV_BIT;
|
|
} else {
|
|
axs15231b->madctl_val &= ~LCD_CMD_MV_BIT;
|
|
}
|
|
tx_param(axs15231b, io, LCD_CMD_MADCTL, (uint8_t[]) {
|
|
axs15231b->madctl_val
|
|
}, 1);
|
|
return ESP_OK;
|
|
}
|
|
|
|
static esp_err_t panel_axs15231b_set_gap(esp_lcd_panel_t *panel, int x_gap, int y_gap)
|
|
{
|
|
axs15231b_panel_t *axs15231b = __containerof(panel, axs15231b_panel_t, base);
|
|
axs15231b->x_gap = x_gap;
|
|
axs15231b->y_gap = y_gap;
|
|
return ESP_OK;
|
|
}
|
|
|
|
static esp_err_t panel_axs15231b_disp_off(esp_lcd_panel_t *panel, bool off)
|
|
{
|
|
axs15231b_panel_t *axs15231b = __containerof(panel, axs15231b_panel_t, base);
|
|
esp_lcd_panel_io_handle_t io = axs15231b->io;
|
|
int command = 0;
|
|
if (off) {
|
|
command = LCD_CMD_DISPOFF;
|
|
} else {
|
|
command = LCD_CMD_DISPON;
|
|
}
|
|
tx_param(axs15231b, io, command, NULL, 0);
|
|
return ESP_OK;
|
|
}
|
|
|
|
esp_err_t esp_lcd_touch_new_i2c_axs15231b(const esp_lcd_panel_io_handle_t io, const esp_lcd_touch_config_t *config, esp_lcd_touch_handle_t *tp)
|
|
{
|
|
ESP_RETURN_ON_FALSE(io, ESP_ERR_INVALID_ARG, TAG, "Invalid io");
|
|
ESP_RETURN_ON_FALSE(config, ESP_ERR_INVALID_ARG, TAG, "Invalid config");
|
|
ESP_RETURN_ON_FALSE(tp, ESP_ERR_INVALID_ARG, TAG, "Invalid touch handle");
|
|
|
|
/* Prepare main structure */
|
|
esp_err_t ret = ESP_OK;
|
|
esp_lcd_touch_handle_t axs15231b = calloc(1, sizeof(esp_lcd_touch_t));
|
|
ESP_GOTO_ON_FALSE(axs15231b, ESP_ERR_NO_MEM, err, TAG, "Touch handle malloc failed");
|
|
|
|
/* Communication interface */
|
|
axs15231b->io = io;
|
|
/* Only supported callbacks are set */
|
|
axs15231b->read_data = touch_axs15231b_read_data;
|
|
axs15231b->get_xy = touch_axs15231b_get_xy;
|
|
axs15231b->del = touch_axs15231b_del;
|
|
/* Mutex */
|
|
axs15231b->data.lock.owner = portMUX_FREE_VAL;
|
|
/* Save config */
|
|
memcpy(&axs15231b->config, config, sizeof(esp_lcd_touch_config_t));
|
|
|
|
/* Prepare pin for touch interrupt */
|
|
if (axs15231b->config.int_gpio_num != GPIO_NUM_NC) {
|
|
const gpio_config_t int_gpio_config = {
|
|
.mode = GPIO_MODE_INPUT,
|
|
.intr_type = GPIO_INTR_NEGEDGE,
|
|
.pin_bit_mask = BIT64(axs15231b->config.int_gpio_num)
|
|
};
|
|
ESP_GOTO_ON_ERROR(gpio_config(&int_gpio_config), err, TAG, "GPIO intr config failed");
|
|
|
|
/* Register interrupt callback */
|
|
if (axs15231b->config.interrupt_callback) {
|
|
esp_lcd_touch_register_interrupt_callback(axs15231b, axs15231b->config.interrupt_callback);
|
|
}
|
|
}
|
|
/* Prepare pin for touch controller reset */
|
|
if (axs15231b->config.rst_gpio_num != GPIO_NUM_NC) {
|
|
const gpio_config_t rst_gpio_config = {
|
|
.mode = GPIO_MODE_OUTPUT,
|
|
.pin_bit_mask = BIT64(axs15231b->config.rst_gpio_num)
|
|
};
|
|
ESP_GOTO_ON_ERROR(gpio_config(&rst_gpio_config), err, TAG, "GPIO reset config failed");
|
|
}
|
|
/* Reset controller */
|
|
ESP_GOTO_ON_ERROR(touch_axs15231b_reset(axs15231b), err, TAG, "Reset failed");
|
|
*tp = axs15231b;
|
|
|
|
return ESP_OK;
|
|
err:
|
|
if (axs15231b) {
|
|
touch_axs15231b_del(axs15231b);
|
|
}
|
|
ESP_LOGE(TAG, "Initialization failed!");
|
|
return ret;
|
|
}
|
|
|
|
static esp_err_t touch_axs15231b_read_data(esp_lcd_touch_handle_t tp)
|
|
{
|
|
typedef struct {
|
|
uint8_t gesture; //AXS_TOUCH_GESTURE_POS:0
|
|
uint8_t num; //AXS_TOUCH_POINT_NUM:1
|
|
uint8_t x_h : 4; //AXS_TOUCH_X_H_POS:2
|
|
uint8_t : 2;
|
|
uint8_t event : 2; //AXS_TOUCH_EVENT_POS:2
|
|
uint8_t x_l; //AXS_TOUCH_X_L_POS:3
|
|
uint8_t y_h : 4; //AXS_TOUCH_Y_H_POS:4
|
|
uint8_t : 4;
|
|
uint8_t y_l; //AXS_TOUCH_Y_L_POS:5
|
|
} __attribute__((packed)) touch_record_struct_t;
|
|
|
|
touch_record_struct_t *p_touch_data = NULL;
|
|
|
|
uint8_t data[AXS_MAX_TOUCH_NUMBER * 6 + 2] = {0}; /*1 Point:8; 2 Point: 14 */
|
|
const uint8_t read_cmd[11] = {0xb5, 0xab, 0xa5, 0x5a, 0x00, 0x00, (AXS_MAX_TOUCH_NUMBER * 6 + 2) >> 8, (AXS_MAX_TOUCH_NUMBER * 6 + 2) & 0xff, 0x00, 0x00, 0x00};
|
|
|
|
ESP_RETURN_ON_ERROR(i2c_write_bytes(tp, -1, read_cmd, sizeof(read_cmd)), TAG, "I2C write failed");
|
|
ESP_RETURN_ON_ERROR(i2c_read_bytes(tp, -1, data, sizeof(data)), TAG, "I2C read failed");
|
|
|
|
p_touch_data = (touch_record_struct_t *) data;
|
|
if (p_touch_data->num && (AXS_MAX_TOUCH_NUMBER >= p_touch_data->num)) {
|
|
portENTER_CRITICAL(&tp->data.lock);
|
|
tp->data.points = p_touch_data->num;
|
|
/* Fill all coordinates */
|
|
for (int i = 0; i < tp->data.points; i++) {
|
|
tp->data.coords[i].x = ((p_touch_data->x_h & 0x0F) << 8) | p_touch_data->x_l;
|
|
tp->data.coords[i].y = ((p_touch_data->y_h & 0x0F) << 8) | p_touch_data->y_l;
|
|
}
|
|
portEXIT_CRITICAL(&tp->data.lock);
|
|
}
|
|
|
|
return ESP_OK;
|
|
}
|
|
|
|
static bool touch_axs15231b_get_xy(esp_lcd_touch_handle_t tp, uint16_t *x, uint16_t *y, uint16_t *strength, uint8_t *point_num, uint8_t max_point_num)
|
|
{
|
|
portENTER_CRITICAL(&tp->data.lock);
|
|
/* Count of points */
|
|
*point_num = (tp->data.points > max_point_num ? max_point_num : tp->data.points);
|
|
for (size_t i = 0; i < *point_num; i++) {
|
|
x[i] = tp->data.coords[i].x;
|
|
y[i] = tp->data.coords[i].y;
|
|
|
|
if (strength) {
|
|
strength[i] = tp->data.coords[i].strength;
|
|
}
|
|
}
|
|
/* Invalidate */
|
|
tp->data.points = 0;
|
|
portEXIT_CRITICAL(&tp->data.lock);
|
|
|
|
return (*point_num > 0);
|
|
}
|
|
|
|
static esp_err_t touch_axs15231b_del(esp_lcd_touch_handle_t tp)
|
|
{
|
|
/* Reset GPIO pin settings */
|
|
if (tp->config.int_gpio_num != GPIO_NUM_NC) {
|
|
gpio_reset_pin(tp->config.int_gpio_num);
|
|
}
|
|
if (tp->config.rst_gpio_num != GPIO_NUM_NC) {
|
|
gpio_reset_pin(tp->config.rst_gpio_num);
|
|
}
|
|
/* Release memory */
|
|
free(tp);
|
|
|
|
return ESP_OK;
|
|
}
|
|
|
|
static esp_err_t touch_axs15231b_reset(esp_lcd_touch_handle_t tp)
|
|
{
|
|
if (tp->config.rst_gpio_num != GPIO_NUM_NC) {
|
|
ESP_RETURN_ON_ERROR(gpio_set_level(tp->config.rst_gpio_num, tp->config.levels.reset), TAG, "GPIO set level failed");
|
|
vTaskDelay(pdMS_TO_TICKS(200));
|
|
ESP_RETURN_ON_ERROR(gpio_set_level(tp->config.rst_gpio_num, !tp->config.levels.reset), TAG, "GPIO set level failed");
|
|
vTaskDelay(pdMS_TO_TICKS(200));
|
|
}
|
|
|
|
return ESP_OK;
|
|
}
|
|
|
|
static esp_err_t i2c_read_bytes(esp_lcd_touch_handle_t tp, int reg, uint8_t *data, uint8_t len)
|
|
{
|
|
ESP_RETURN_ON_FALSE(data, ESP_ERR_INVALID_ARG, TAG, "Invalid data");
|
|
|
|
return esp_lcd_panel_io_rx_param(tp->io, reg, data, len);
|
|
}
|
|
|
|
static esp_err_t i2c_write_bytes(esp_lcd_touch_handle_t tp, int reg, const uint8_t *data, uint8_t len)
|
|
{
|
|
ESP_RETURN_ON_FALSE(data, ESP_ERR_INVALID_ARG, TAG, "Invalid data");
|
|
|
|
return esp_lcd_panel_io_tx_param(tp->io, reg, data, len);
|
|
}
|