refactor(lcd_i2c): Remove legacy driver version used in lcd driver

This commit is contained in:
C.S.M
2025-06-11 15:48:59 +08:00
parent ab2829d65f
commit 5ae6f626fc
16 changed files with 6 additions and 490 deletions

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@@ -12,14 +12,14 @@ set(srcs "src/esp_lcd_common.c"
"src/esp_lcd_panel_ops.c") "src/esp_lcd_panel_ops.c")
set(includes "include" "interface") set(includes "include" "interface")
set(priv_requires "esp_mm" "esp_psram" "esp_pm" "esp_driver_i2s") set(priv_requires "esp_mm" "esp_psram" "esp_pm" "esp_driver_i2s")
set(public_requires "driver" "esp_driver_gpio" "esp_driver_i2c" "esp_driver_spi") set(public_requires "esp_driver_gpio" "esp_driver_i2c" "esp_driver_spi" "esp_driver_parlio")
if(CONFIG_SOC_DMA2D_SUPPORTED) if(CONFIG_SOC_DMA2D_SUPPORTED)
list(APPEND srcs "src/esp_async_fbcpy.c") list(APPEND srcs "src/esp_async_fbcpy.c")
endif() endif()
if(CONFIG_SOC_I2C_SUPPORTED) if(CONFIG_SOC_I2C_SUPPORTED)
list(APPEND srcs "i2c/esp_lcd_panel_io_i2c_v1.c" "i2c/esp_lcd_panel_io_i2c_v2.c") list(APPEND srcs "i2c/esp_lcd_panel_io_i2c.c")
endif() endif()
if(CONFIG_SOC_GPSPI_SUPPORTED) if(CONFIG_SOC_GPSPI_SUPPORTED)

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@@ -48,7 +48,7 @@ typedef struct {
void *user_ctx; // User's private data, passed directly to callback on_color_trans_done() void *user_ctx; // User's private data, passed directly to callback on_color_trans_done()
} lcd_panel_io_i2c_t; } lcd_panel_io_i2c_t;
esp_err_t esp_lcd_new_panel_io_i2c_v2(i2c_master_bus_handle_t bus, const esp_lcd_panel_io_i2c_config_t *io_config, esp_lcd_panel_io_handle_t *ret_io) esp_err_t esp_lcd_new_panel_io_i2c(i2c_master_bus_handle_t bus, const esp_lcd_panel_io_i2c_config_t *io_config, esp_lcd_panel_io_handle_t *ret_io)
{ {
#if CONFIG_LCD_ENABLE_DEBUG_LOG #if CONFIG_LCD_ENABLE_DEBUG_LOG
esp_log_level_set(TAG, ESP_LOG_DEBUG); esp_log_level_set(TAG, ESP_LOG_DEBUG);

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@@ -1,212 +0,0 @@
/*
* SPDX-FileCopyrightText: 2021-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <stdlib.h>
#include <string.h>
#include <sys/cdefs.h>
#include "sdkconfig.h"
#if CONFIG_LCD_ENABLE_DEBUG_LOG
// The local log level must be defined before including esp_log.h
// Set the maximum log level for this source file
#define LOG_LOCAL_LEVEL ESP_LOG_DEBUG
#endif
#include "esp_lcd_panel_io_interface.h"
#include "esp_lcd_panel_io.h"
#include "driver/i2c.h"
#include "driver/gpio.h"
#include "esp_log.h"
#include "esp_check.h"
#include "esp_compiler.h"
static const char *TAG = "lcd_panel.io.i2c";
#define CMD_HANDLER_BUFFER_SIZE I2C_LINK_RECOMMENDED_SIZE(2) // only 2 operations will be queued in the handler ATTOW
#define BYTESHIFT(VAR, IDX) (((VAR) >> ((IDX) * 8)) & 0xFF)
static esp_err_t panel_io_i2c_del(esp_lcd_panel_io_t *io);
static esp_err_t panel_io_i2c_rx_param(esp_lcd_panel_io_t *io, int lcd_cmd, void *param, size_t param_size);
static esp_err_t panel_io_i2c_tx_param(esp_lcd_panel_io_t *io, int lcd_cmd, const void *param, size_t param_size);
static esp_err_t panel_io_i2c_tx_color(esp_lcd_panel_io_t *io, int lcd_cmd, const void *color, size_t color_size);
static esp_err_t panel_io_i2c_register_event_callbacks(esp_lcd_panel_io_handle_t io, const esp_lcd_panel_io_callbacks_t *cbs, void *user_ctx);
typedef struct {
esp_lcd_panel_io_t base; // Base class of generic lcd panel io
uint32_t i2c_bus_id; // I2C bus id, indicating which I2C port
uint32_t dev_addr; // Device address
int lcd_cmd_bits; // Bit width of LCD command
int lcd_param_bits; // Bit width of LCD parameter
bool control_phase_enabled; // Is control phase enabled
uint32_t control_phase_cmd; // control byte when transferring command
uint32_t control_phase_data; // control byte when transferring data
esp_lcd_panel_io_color_trans_done_cb_t on_color_trans_done; // User register's callback, invoked when color data trans done
void *user_ctx; // User's private data, passed directly to callback on_color_trans_done()
uint8_t cmdlink_buffer[]; // pre-alloc I2C command link buffer, to be reused in all transactions
} lcd_panel_io_i2c_t;
esp_err_t esp_lcd_new_panel_io_i2c_v1(uint32_t bus, const esp_lcd_panel_io_i2c_config_t *io_config, esp_lcd_panel_io_handle_t *ret_io)
{
// leak detection of i2c_panel_io because saving i2c_panel_io->base address
ESP_COMPILER_DIAGNOSTIC_PUSH_IGNORE("-Wanalyzer-malloc-leak")
#if CONFIG_LCD_ENABLE_DEBUG_LOG
esp_log_level_set(TAG, ESP_LOG_DEBUG);
#endif
esp_err_t ret = ESP_OK;
lcd_panel_io_i2c_t *i2c_panel_io = NULL;
ESP_GOTO_ON_FALSE(io_config && ret_io, ESP_ERR_INVALID_ARG, err, TAG, "invalid argument");
ESP_GOTO_ON_FALSE(io_config->control_phase_bytes * 8 > io_config->dc_bit_offset, ESP_ERR_INVALID_ARG, err, TAG, "D/C bit exceeds control bytes");
ESP_GOTO_ON_FALSE(io_config->scl_speed_hz == 0, ESP_ERR_INVALID_ARG, err, TAG, "scl_speed_hz is not need to set in legacy i2c_lcd driver");
i2c_panel_io = calloc(1, sizeof(lcd_panel_io_i2c_t) + CMD_HANDLER_BUFFER_SIZE); // expand zero-length array cmdlink_buffer
ESP_GOTO_ON_FALSE(i2c_panel_io, ESP_ERR_NO_MEM, err, TAG, "no mem for i2c panel io");
i2c_panel_io->i2c_bus_id = bus;
i2c_panel_io->lcd_cmd_bits = io_config->lcd_cmd_bits;
i2c_panel_io->lcd_param_bits = io_config->lcd_param_bits;
i2c_panel_io->on_color_trans_done = io_config->on_color_trans_done;
i2c_panel_io->user_ctx = io_config->user_ctx;
i2c_panel_io->control_phase_enabled = (!io_config->flags.disable_control_phase);
i2c_panel_io->control_phase_data = (!io_config->flags.dc_low_on_data) << (io_config->dc_bit_offset);
i2c_panel_io->control_phase_cmd = (io_config->flags.dc_low_on_data) << (io_config->dc_bit_offset);
i2c_panel_io->dev_addr = io_config->dev_addr;
i2c_panel_io->base.del = panel_io_i2c_del;
i2c_panel_io->base.rx_param = panel_io_i2c_rx_param;
i2c_panel_io->base.tx_param = panel_io_i2c_tx_param;
i2c_panel_io->base.tx_color = panel_io_i2c_tx_color;
i2c_panel_io->base.register_event_callbacks = panel_io_i2c_register_event_callbacks;
*ret_io = &(i2c_panel_io->base);
ESP_LOGD(TAG, "new i2c lcd panel io @%p", i2c_panel_io);
return ESP_OK;
err:
return ret;
ESP_COMPILER_DIAGNOSTIC_POP("-Wanalyzer-malloc-leak")
}
static esp_err_t panel_io_i2c_del(esp_lcd_panel_io_t *io)
{
esp_err_t ret = ESP_OK;
lcd_panel_io_i2c_t *i2c_panel_io = __containerof(io, lcd_panel_io_i2c_t, base);
ESP_LOGD(TAG, "del lcd panel i2c @%p", i2c_panel_io);
free(i2c_panel_io);
return ret;
}
static esp_err_t panel_io_i2c_register_event_callbacks(esp_lcd_panel_io_handle_t io, const esp_lcd_panel_io_callbacks_t *cbs, void *user_ctx)
{
lcd_panel_io_i2c_t *i2c_panel_io = __containerof(io, lcd_panel_io_i2c_t, base);
if (i2c_panel_io->on_color_trans_done != NULL) {
ESP_LOGW(TAG, "Callback on_color_trans_done was already set and now it was overwritten!");
}
i2c_panel_io->on_color_trans_done = cbs->on_color_trans_done;
i2c_panel_io->user_ctx = user_ctx;
return ESP_OK;
}
static esp_err_t panel_io_i2c_rx_buffer(esp_lcd_panel_io_t *io, int lcd_cmd, void *buffer, size_t buffer_size)
{
esp_err_t ret = ESP_OK;
lcd_panel_io_i2c_t *i2c_panel_io = __containerof(io, lcd_panel_io_i2c_t, base);
bool send_param = (lcd_cmd >= 0);
i2c_cmd_handle_t cmd_link = i2c_cmd_link_create_static(i2c_panel_io->cmdlink_buffer, CMD_HANDLER_BUFFER_SIZE);
ESP_GOTO_ON_FALSE(cmd_link, ESP_ERR_NO_MEM, err, TAG, "no mem for i2c cmd link");
ESP_GOTO_ON_ERROR(i2c_master_start(cmd_link), err, TAG, "issue start failed"); // start phase
ESP_GOTO_ON_ERROR(i2c_master_write_byte(cmd_link, (i2c_panel_io->dev_addr << 1) | I2C_MASTER_WRITE, true), err, TAG, "write address failed"); // address phase
if (send_param) {
if (i2c_panel_io->control_phase_enabled) {
ESP_GOTO_ON_ERROR(i2c_master_write_byte(cmd_link, i2c_panel_io->control_phase_cmd, true),
err, TAG, "write control phase failed"); // control phase
}
uint8_t cmds[4] = {BYTESHIFT(lcd_cmd, 3), BYTESHIFT(lcd_cmd, 2), BYTESHIFT(lcd_cmd, 1), BYTESHIFT(lcd_cmd, 0)};
size_t cmds_size = i2c_panel_io->lcd_cmd_bits / 8;
if (cmds_size > 0 && cmds_size <= sizeof(cmds)) {
ESP_GOTO_ON_ERROR(i2c_master_write(cmd_link, cmds + (sizeof(cmds) - cmds_size), cmds_size, true), err, TAG, "write LCD cmd failed");
}
}
if (buffer) {
ESP_GOTO_ON_ERROR(i2c_master_start(cmd_link), err, TAG, "issue start failed"); // start phase
ESP_GOTO_ON_ERROR(i2c_master_write_byte(cmd_link, (i2c_panel_io->dev_addr << 1) | I2C_MASTER_READ, true), err, TAG, "write address failed"); // address phase
ESP_GOTO_ON_ERROR(i2c_master_read(cmd_link, buffer, buffer_size, I2C_MASTER_LAST_NACK), err, TAG, "read data failed");
}
ESP_GOTO_ON_ERROR(i2c_master_stop(cmd_link), err, TAG, "issue stop failed"); // stop phase
ESP_GOTO_ON_ERROR(i2c_master_cmd_begin(i2c_panel_io->i2c_bus_id, cmd_link, portMAX_DELAY), err, TAG, "i2c transaction failed");
i2c_cmd_link_delete_static(cmd_link);
return ESP_OK;
err:
if (cmd_link) {
i2c_cmd_link_delete_static(cmd_link);
}
return ret;
}
static esp_err_t panel_io_i2c_tx_buffer(esp_lcd_panel_io_t *io, int lcd_cmd, const void *buffer, size_t buffer_size, bool is_param)
{
esp_err_t ret = ESP_OK;
lcd_panel_io_i2c_t *i2c_panel_io = __containerof(io, lcd_panel_io_i2c_t, base);
bool send_param = (lcd_cmd >= 0);
i2c_cmd_handle_t cmd_link = i2c_cmd_link_create_static(i2c_panel_io->cmdlink_buffer, CMD_HANDLER_BUFFER_SIZE);
ESP_GOTO_ON_FALSE(cmd_link, ESP_ERR_NO_MEM, err, TAG, "no mem for i2c cmd link");
ESP_GOTO_ON_ERROR(i2c_master_start(cmd_link), err, TAG, "issue start failed"); // start phase
ESP_GOTO_ON_ERROR(i2c_master_write_byte(cmd_link, (i2c_panel_io->dev_addr << 1) | I2C_MASTER_WRITE, true), err, TAG, "write address failed"); // address phase
if (i2c_panel_io->control_phase_enabled) {
ESP_GOTO_ON_ERROR(i2c_master_write_byte(cmd_link, is_param ? i2c_panel_io->control_phase_cmd : i2c_panel_io->control_phase_data, true),
err, TAG, "write control phase failed"); // control phase
}
// some displays don't want any additional commands on data transfers
if (send_param) {
uint8_t cmds[4] = {BYTESHIFT(lcd_cmd, 3), BYTESHIFT(lcd_cmd, 2), BYTESHIFT(lcd_cmd, 1), BYTESHIFT(lcd_cmd, 0)};
size_t cmds_size = i2c_panel_io->lcd_cmd_bits / 8;
if (cmds_size > 0 && cmds_size <= sizeof(cmds)) {
ESP_GOTO_ON_ERROR(i2c_master_write(cmd_link, cmds + (sizeof(cmds) - cmds_size), cmds_size, true), err, TAG, "write LCD cmd failed");
}
}
if (buffer) {
ESP_GOTO_ON_ERROR(i2c_master_write(cmd_link, buffer, buffer_size, true), err, TAG, "write data failed");
}
ESP_GOTO_ON_ERROR(i2c_master_stop(cmd_link), err, TAG, "issue stop failed"); // stop phase
ESP_GOTO_ON_ERROR(i2c_master_cmd_begin(i2c_panel_io->i2c_bus_id, cmd_link, portMAX_DELAY), err, TAG, "i2c transaction failed");
i2c_cmd_link_delete_static(cmd_link);
if (!is_param) {
// trans done callback
if (i2c_panel_io->on_color_trans_done) {
i2c_panel_io->on_color_trans_done(&(i2c_panel_io->base), NULL, i2c_panel_io->user_ctx);
}
}
return ESP_OK;
err:
if (cmd_link) {
i2c_cmd_link_delete_static(cmd_link);
}
return ret;
}
static esp_err_t panel_io_i2c_rx_param(esp_lcd_panel_io_t *io, int lcd_cmd, void *param, size_t param_size)
{
return panel_io_i2c_rx_buffer(io, lcd_cmd, param, param_size);
}
static esp_err_t panel_io_i2c_tx_param(esp_lcd_panel_io_t *io, int lcd_cmd, const void *param, size_t param_size)
{
return panel_io_i2c_tx_buffer(io, lcd_cmd, param, param_size, true);
}
static esp_err_t panel_io_i2c_tx_color(esp_lcd_panel_io_t *io, int lcd_cmd, const void *color, size_t color_size)
{
return panel_io_i2c_tx_buffer(io, lcd_cmd, color, color_size, false);
}

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@@ -14,8 +14,6 @@
extern "C" { extern "C" {
#endif #endif
typedef uint32_t esp_lcd_i2c_bus_handle_t; /*!< Type of LCD I2C bus handle */
/** /**
* @brief Panel IO configuration structure, for I2C interface * @brief Panel IO configuration structure, for I2C interface
* *
@@ -35,22 +33,6 @@ typedef struct {
} flags; /*!< Extra flags to fine-tune the I2C device */ } flags; /*!< Extra flags to fine-tune the I2C device */
} esp_lcd_panel_io_i2c_config_t; } esp_lcd_panel_io_i2c_config_t;
/**
* @brief Create LCD panel IO handle, for I2C interface in legacy implementation
*
* @param[in] bus I2C bus handle, (in uint32_t)
* @param[in] io_config IO configuration, for I2C interface
* @param[out] ret_io Returned IO handle
*
* @note Please don't call this function in your project directly. Please call `esp_lcd_new_panel_to_i2c` instead.
*
* @return
* - ESP_ERR_INVALID_ARG if parameter is invalid
* - ESP_ERR_NO_MEM if out of memory
* - ESP_OK on success
*/
esp_err_t esp_lcd_new_panel_io_i2c_v1(uint32_t bus, const esp_lcd_panel_io_i2c_config_t *io_config, esp_lcd_panel_io_handle_t *ret_io);
/** /**
* @brief Create LCD panel IO handle, for I2C interface in new implementation * @brief Create LCD panel IO handle, for I2C interface in new implementation
* *
@@ -65,58 +47,8 @@ esp_err_t esp_lcd_new_panel_io_i2c_v1(uint32_t bus, const esp_lcd_panel_io_i2c_c
* - ESP_ERR_NO_MEM if out of memory * - ESP_ERR_NO_MEM if out of memory
* - ESP_OK on success * - ESP_OK on success
*/ */
esp_err_t esp_lcd_new_panel_io_i2c_v2(i2c_master_bus_handle_t bus, const esp_lcd_panel_io_i2c_config_t *io_config, esp_lcd_panel_io_handle_t *ret_io); esp_err_t esp_lcd_new_panel_io_i2c(i2c_master_bus_handle_t bus, const esp_lcd_panel_io_i2c_config_t *io_config, esp_lcd_panel_io_handle_t *ret_io);
#ifdef __cplusplus #ifdef __cplusplus
} }
#endif #endif
#ifdef __cplusplus
/**
* @brief Create LCD panel IO handle
*
* @param[in] bus I2C bus ID, indicates which I2C port to use
* @param[in] io_config IO configuration, for I2C interface
* @param[out] ret_io Returned IO handle
* @return
* - ESP_ERR_INVALID_ARG if parameter is invalid
* - ESP_ERR_NO_MEM if out of memory
* - ESP_OK on success
*/
static inline esp_err_t esp_lcd_new_panel_io_i2c(uint32_t bus, const esp_lcd_panel_io_i2c_config_t *io_config, esp_lcd_panel_io_handle_t *ret_io)
{
return esp_lcd_new_panel_io_i2c_v1(bus, io_config, ret_io);
}
/**
* @brief Create LCD panel IO handle
*
* @param[in] bus I2C bus handle, returned from `i2c_new_master_bus`
* @param[in] io_config IO configuration, for I2C interface
* @param[out] ret_io Returned IO handle
* @return
* - ESP_ERR_INVALID_ARG if parameter is invalid
* - ESP_ERR_NO_MEM if out of memory
* - ESP_OK on success
*/
static inline esp_err_t esp_lcd_new_panel_io_i2c(i2c_master_bus_handle_t bus, const esp_lcd_panel_io_i2c_config_t *io_config, esp_lcd_panel_io_handle_t *ret_io)
{
return esp_lcd_new_panel_io_i2c_v2(bus, io_config, ret_io);
}
#else
/**
* @brief Create LCD panel IO handle
*
* @param[in] bus I2C bus handle
* @param[in] io_config IO configuration, for I2C interface
* @param[out] ret_io Returned IO handle
* @return
* - ESP_ERR_INVALID_ARG if parameter is invalid
* - ESP_ERR_NO_MEM if out of memory
* - ESP_OK on success
*/
#define esp_lcd_new_panel_io_i2c(bus, io_config, ret_io) _Generic((bus), \
i2c_master_bus_handle_t : esp_lcd_new_panel_io_i2c_v2, \
default : esp_lcd_new_panel_io_i2c_v1) (bus, io_config, ret_io)
#endif

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@@ -11,18 +11,6 @@ components/esp_lcd/test_apps/i2c_lcd:
temporary: true temporary: true
reason: insufficient runners reason: insufficient runners
components/esp_lcd/test_apps/i2c_lcd_legacy:
disable:
- if: SOC_I2C_SUPPORTED != 1
depends_components:
- esp_lcd
depends_filepatterns:
- components/driver/i2c/**/*
disable_test:
- if: IDF_TARGET not in ["esp32c3"]
temporary: true
reason: insufficient runners
components/esp_lcd/test_apps/i80_lcd: components/esp_lcd/test_apps/i80_lcd:
depends_components: depends_components:
- esp_lcd - esp_lcd

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@@ -1,9 +0,0 @@
# This is the project CMakeLists.txt file for the test subproject
cmake_minimum_required(VERSION 3.22)
include($ENV{IDF_PATH}/tools/cmake/project.cmake)
# "Trim" the build. Include the minimal set of components, main, and anything it depends on.
set(COMPONENTS main)
project(legacy_i2c_lcd_panel_test)

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@@ -1,4 +0,0 @@
| Supported Targets | ESP32 | ESP32-C2 | ESP32-C3 | ESP32-C5 | ESP32-C6 | ESP32-C61 | ESP32-H2 | ESP32-H21 | ESP32-H4 | ESP32-P4 | ESP32-S2 | ESP32-S3 |
| ----------------- | ----- | -------- | -------- | -------- | -------- | --------- | -------- | --------- | -------- | -------- | -------- | -------- |
This test app is used to test LCDs with I2C interface.

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@@ -1,8 +0,0 @@
set(srcs "test_app_main.c"
"test_i2c_lcd_legacy_panel.c")
# In order for the cases defined by `TEST_CASE` to be linked into the final elf,
# the component can be registered as WHOLE_ARCHIVE
idf_component_register(SRCS ${srcs}
PRIV_REQUIRES unity driver esp_lcd
WHOLE_ARCHIVE)

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@@ -1,51 +0,0 @@
/*
* SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: CC0-1.0
*/
#include "unity.h"
#include "unity_test_runner.h"
#include "esp_heap_caps.h"
// Some resources are lazy allocated in the LCD driver, the threadhold is left for that case
#define TEST_MEMORY_LEAK_THRESHOLD (-300)
static size_t before_free_8bit;
static size_t before_free_32bit;
static void check_leak(size_t before_free, size_t after_free, const char *type)
{
ssize_t delta = after_free - before_free;
printf("MALLOC_CAP_%s: Before %u bytes free, After %u bytes free (delta %d)\n", type, before_free, after_free, delta);
TEST_ASSERT_MESSAGE(delta >= TEST_MEMORY_LEAK_THRESHOLD, "memory leak");
}
void setUp(void)
{
before_free_8bit = heap_caps_get_free_size(MALLOC_CAP_8BIT);
before_free_32bit = heap_caps_get_free_size(MALLOC_CAP_32BIT);
}
void tearDown(void)
{
size_t after_free_8bit = heap_caps_get_free_size(MALLOC_CAP_8BIT);
size_t after_free_32bit = heap_caps_get_free_size(MALLOC_CAP_32BIT);
check_leak(before_free_8bit, after_free_8bit, "8BIT");
check_leak(before_free_32bit, after_free_32bit, "32BIT");
}
void app_main(void)
{
// ___ ____ ____ _ ____ ____ _____ _
// |_ _|___ \ / ___| | | / ___| _ \ |_ _|__ ___| |_
// | | __) | | | | | | | | | | | |/ _ \/ __| __|
// | | / __/| |___ | |__| |___| |_| | | | __/\__ \ |_
// |___|_____|\____| |_____\____|____/ |_|\___||___/\__|
printf(" ___ ____ ____ _ ____ ____ _____ _\r\n");
printf("|_ _|___ \\ / ___| | | / ___| _ \\ |_ _|__ ___| |_\r\n");
printf(" | | __) | | | | | | | | | | | |/ _ \\/ __| __|\r\n");
printf(" | | / __/| |___ | |__| |___| |_| | | | __/\\__ \\ |_\r\n");
printf("|___|_____|\\____| |_____\\____|____/ |_|\\___||___/\\__|\r\n");
unity_run_menu();
}

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@@ -1,26 +0,0 @@
/*
* SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#pragma once
#ifdef __cplusplus
extern "C" {
#endif
#define TEST_LCD_H_RES 128
#define TEST_LCD_V_RES 64
#define TEST_I2C_SDA_GPIO 0
#define TEST_I2C_SCL_GPIO 2
#define TEST_I2C_HOST_ID 0
#define TEST_I2C_DEV_ADDR 0x3C
#define TEST_LCD_PIXEL_CLOCK_HZ (400 * 1000)
#ifdef __cplusplus
}
#endif

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@@ -1,70 +0,0 @@
/*
* SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <stdio.h>
#include <string.h>
#include "unity.h"
#include "driver/i2c.h"
#include "driver/gpio.h"
#include "esp_lcd_panel_io.h"
#include "esp_lcd_panel_vendor.h"
#include "esp_lcd_panel_ops.h"
#include "esp_system.h"
#include "test_i2c_board.h"
TEST_CASE("lcd_panel_with_i2c_interface legacy_(ssd1306)", "[lcd]")
{
const uint8_t pattern[][16] = {{
0x00, 0x7E, 0x42, 0x42, 0x42, 0x42, 0x7E, 0x00,
0x00, 0x7E, 0x42, 0x42, 0x42, 0x42, 0x7E, 0x00
},
{
0x81, 0x42, 0x24, 0x18, 0x18, 0x24, 0x42, 0x81,
0x81, 0x42, 0x24, 0x18, 0x18, 0x24, 0x42, 0x81
}
};
i2c_config_t conf = {
.mode = I2C_MODE_MASTER,
.sda_io_num = TEST_I2C_SDA_GPIO,
.scl_io_num = TEST_I2C_SCL_GPIO,
.sda_pullup_en = GPIO_PULLUP_ENABLE,
.scl_pullup_en = GPIO_PULLUP_ENABLE,
.master.clk_speed = TEST_LCD_PIXEL_CLOCK_HZ,
};
TEST_ESP_OK(i2c_param_config(TEST_I2C_HOST_ID, &conf));
TEST_ESP_OK(i2c_driver_install(TEST_I2C_HOST_ID, I2C_MODE_MASTER, 0, 0, 0));
esp_lcd_panel_io_handle_t io_handle = NULL;
esp_lcd_panel_io_i2c_config_t io_config = {
.dev_addr = TEST_I2C_DEV_ADDR,
.control_phase_bytes = 1, // According to SSD1306 datasheet
.dc_bit_offset = 6, // According to SSD1306 datasheet
.lcd_cmd_bits = 8, // According to SSD1306 datasheet
.lcd_param_bits = 8, // According to SSD1306 datasheet
};
TEST_ESP_OK(esp_lcd_new_panel_io_i2c((esp_lcd_i2c_bus_handle_t)TEST_I2C_HOST_ID, &io_config, &io_handle));
esp_lcd_panel_handle_t panel_handle = NULL;
esp_lcd_panel_dev_config_t panel_config = {
.bits_per_pixel = 1,
.reset_gpio_num = -1,
};
TEST_ESP_OK(esp_lcd_new_panel_ssd1306(io_handle, &panel_config, &panel_handle));
TEST_ESP_OK(esp_lcd_panel_reset(panel_handle));
TEST_ESP_OK(esp_lcd_panel_init(panel_handle));
// turn on display
TEST_ESP_OK(esp_lcd_panel_disp_on_off(panel_handle, true));
for (int i = 0; i < TEST_LCD_H_RES / 16; i++) {
for (int j = 0; j < TEST_LCD_V_RES / 8; j++) {
TEST_ESP_OK(esp_lcd_panel_draw_bitmap(panel_handle, i * 16, j * 8, i * 16 + 16, j * 8 + 8, pattern[i & 0x01]));
}
}
TEST_ESP_OK(esp_lcd_panel_del(panel_handle));
TEST_ESP_OK(esp_lcd_panel_io_del(io_handle));
TEST_ESP_OK(i2c_driver_delete(TEST_I2C_HOST_ID));
}

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@@ -1,18 +0,0 @@
# SPDX-FileCopyrightText: 2021-2025 Espressif Systems (Shanghai) CO LTD
# SPDX-License-Identifier: CC0-1.0
import pytest
from pytest_embedded import Dut
from pytest_embedded_idf.utils import idf_parametrize
@pytest.mark.i2c_oled
@pytest.mark.parametrize(
'config',
[
'release',
],
indirect=True,
)
@idf_parametrize('target', ['esp32c3'], indirect=['target'])
def test_i2c_lcd_legacy(dut: Dut) -> None:
dut.run_all_single_board_cases()

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@@ -1,3 +0,0 @@
CONFIG_COMPILER_OPTIMIZATION_SIZE=y
CONFIG_BOOTLOADER_COMPILER_OPTIMIZATION_SIZE=y
CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_SILENT=y

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@@ -1,5 +0,0 @@
# This file was generated using idf.py save-defconfig. It can be edited manually.
# Espressif IoT Development Framework (ESP-IDF) Project Minimal Configuration
#
# CONFIG_ESP_TASK_WDT_INIT is not set
CONFIG_FREERTOS_HZ=1000

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@@ -173,6 +173,7 @@ LCD
- The ``color_space`` and ``rgb_endian`` configuration options in the :cpp:type:`esp_lcd_panel_dev_config_t` structure have been replaced by the :cpp:member:`esp_lcd_panel_dev_config_t::rgb_ele_order` member, which sets the RGB element order. The corresponding types ``lcd_color_rgb_endian_t`` and ``esp_lcd_color_space_t`` have also been removed; use :cpp:type:`lcd_rgb_element_order_t` instead. - The ``color_space`` and ``rgb_endian`` configuration options in the :cpp:type:`esp_lcd_panel_dev_config_t` structure have been replaced by the :cpp:member:`esp_lcd_panel_dev_config_t::rgb_ele_order` member, which sets the RGB element order. The corresponding types ``lcd_color_rgb_endian_t`` and ``esp_lcd_color_space_t`` have also been removed; use :cpp:type:`lcd_rgb_element_order_t` instead.
- The ``esp_lcd_panel_disp_off`` function has been removed. Please use the :func:`esp_lcd_panel_disp_on_off` function to control display on/off. - The ``esp_lcd_panel_disp_off`` function has been removed. Please use the :func:`esp_lcd_panel_disp_on_off` function to control display on/off.
- The ``on_bounce_frame_finish`` member in :cpp:type:`esp_lcd_rgb_panel_event_callbacks_t` has been replaced by :cpp:member:`esp_lcd_rgb_panel_event_callbacks_t::on_frame_buf_complete`, which indicates that a complete frame buffer has been sent to the LCD controller. - The ``on_bounce_frame_finish`` member in :cpp:type:`esp_lcd_rgb_panel_event_callbacks_t` has been replaced by :cpp:member:`esp_lcd_rgb_panel_event_callbacks_t::on_frame_buf_complete`, which indicates that a complete frame buffer has been sent to the LCD controller.
- The legacy I2C driver ``driver/i2c.h`` is deprecated since version 5.2. Starting from version 6.0, LCD driver based on legacy I2C is removed and LCD driver would only based on new I2C driver ``driver/i2c_master.h``.
SPI SPI
--- ---

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@@ -173,6 +173,7 @@ LCD
- :cpp:type:`esp_lcd_panel_dev_config_t` 结构体中的 ``color_space````rgb_endian`` 配置均已被 :cpp:member:`esp_lcd_panel_dev_config_t::rgb_ele_order` 成员取代,用来设置 RGB 元素的排列顺序。对应的类型 ``lcd_color_rgb_endian_t````esp_lcd_color_space_t`` 也已被移除,请使用 :cpp:type:`lcd_rgb_element_order_t` 替代。 - :cpp:type:`esp_lcd_panel_dev_config_t` 结构体中的 ``color_space````rgb_endian`` 配置均已被 :cpp:member:`esp_lcd_panel_dev_config_t::rgb_ele_order` 成员取代,用来设置 RGB 元素的排列顺序。对应的类型 ``lcd_color_rgb_endian_t````esp_lcd_color_space_t`` 也已被移除,请使用 :cpp:type:`lcd_rgb_element_order_t` 替代。
- ``esp_lcd_panel_disp_off`` 函数已被移除。请使用 :func:`esp_lcd_panel_disp_on_off` 函数来控制显示内容的开关。 - ``esp_lcd_panel_disp_off`` 函数已被移除。请使用 :func:`esp_lcd_panel_disp_on_off` 函数来控制显示内容的开关。
- :cpp:type:`esp_lcd_rgb_panel_event_callbacks_t` 中的 ``on_bounce_frame_finish`` 成员已被 :cpp:member:`esp_lcd_rgb_panel_event_callbacks_t::on_frame_buf_complete` 成员取代,用于指示一个完整的帧缓冲区已被发送给 LCD 控制器。 - :cpp:type:`esp_lcd_rgb_panel_event_callbacks_t` 中的 ``on_bounce_frame_finish`` 成员已被 :cpp:member:`esp_lcd_rgb_panel_event_callbacks_t::on_frame_buf_complete` 成员取代,用于指示一个完整的帧缓冲区已被发送给 LCD 控制器。
- 基于旧版 I2C 的 LCD 驱动 ``driver/lcd.h`` 在 5.2 的版本中就已经被弃用。从 6.0 版本开始,基于旧版 I2C 的 LCD 驱动被完全移除并只使用基于 ``driver/i2c_master.h`` 的新驱动。
SPI SPI
--- ---