zener/lvgl_esp32_drivers
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Carlos Diaz 2021-07-29 18:27:34 -05:00 • committed by GitHub
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152
lvgl_tft/Kconfig
View file

@ -50,7 +50,7 @@ menu "LVGL TFT Display controller"
config LV_PREDEFINED_DISPLAY_WEMOS_LOLIN
bool "Wemos Lolin OLED"
select LV_TFT_DISPLAY_CONTROLLER_SSD1306
select LV_TFT_DISPLAY_PROTOCOL_I2C
select LV_I2C_DISPLAY
select LV_TFT_DISPLAY_MONOCHROME
select LV_THEME_MONO
config LV_PREDEFINED_DISPLAY_ATAG
@ -187,7 +187,7 @@ menu "LVGL TFT Display controller"
help
Display controller protocol SPI
config LV_TFT_DISPLAY_PROTOCOL_I2C
config LV_I2C_DISPLAY
bool
help
Display controller protocol I2C
@ -221,16 +221,16 @@ menu "LVGL TFT Display controller"
config LV_TFT_DISPLAY_X_OFFSET
depends on LV_TFT_DISPLAY_OFFSETS
int
default 40 if LV_PREDEFINED_DISPLAY_TTGO && (LV_DISPLAY_ORIENTATION_LANDSCAPE || LV_DISPLAY_ORIENTATION_LANDSCAPE_INVERTED)
default 53 if LV_PREDEFINED_DISPLAY_TTGO && (LV_DISPLAY_ORIENTATION_PORTRAIT || LV_DISPLAY_ORIENTATION_PORTRAIT_INVERTED)
int "X offset"
default 40 if LV_PREDEFINED_DISPLAY_TTGO && (DISPLAY_ORIENTATION_LANDSCAPE || DISPLAY_ORIENTATION_LANDSCAPE_INVERTED)
default 53 if LV_PREDEFINED_DISPLAY_TTGO && (DISPLAY_ORIENTATION_PORTRAIT || DISPLAY_ORIENTATION_PORTRAIT_INVERTED)
default 0
config LV_TFT_DISPLAY_Y_OFFSET
depends on LV_TFT_DISPLAY_OFFSETS
int
default 53 if LV_PREDEFINED_DISPLAY_TTGO && (LV_DISPLAY_ORIENTATION_LANDSCAPE || LV_DISPLAY_ORIENTATION_LANDSCAPE_INVERTED)
default 40 if LV_PREDEFINED_DISPLAY_TTGO && (LV_DISPLAY_ORIENTATION_PORTRAIT || LV_DISPLAY_ORIENTATION_PORTRAIT_INVERTED)
int "Y offset"
default 53 if LV_PREDEFINED_DISPLAY_TTGO && (DISPLAY_ORIENTATION_LANDSCAPE || DISPLAY_ORIENTATION_LANDSCAPE_INVERTED)
default 40 if LV_PREDEFINED_DISPLAY_TTGO && (DISPLAY_ORIENTATION_PORTRAIT || DISPLAY_ORIENTATION_PORTRAIT_INVERTED)
default 0
@ -311,7 +311,7 @@ menu "LVGL TFT Display controller"
config LV_TFT_DISPLAY_USER_CONTROLLER_SSD1306
bool "SSD1306"
select LV_TFT_DISPLAY_CONTROLLER_SSD1306
select LV_TFT_DISPLAY_PROTOCOL_I2C
select LV_I2C_DISPLAY
select LV_TFT_DISPLAY_MONOCHROME
config LV_TFT_DISPLAY_USER_CONTROLLER_FT81X
bool "FT81X"
@ -459,8 +459,7 @@ menu "LVGL TFT Display controller"
endchoice
choice
prompt "TFT SPI Bus." if LV_TFT_DISPLAY_PROTOCOL_SPI && \
!LV_PREDEFINED_DISPLAY_TTGO
prompt "TFT SPI Bus." if LV_TFT_DISPLAY_PROTOCOL_SPI
default LV_TFT_DISPLAY_SPI_VSPI if LV_PREDEFINED_DISPLAY_TTGO && \
!IDF_TARGET_ESP32S2
default LV_TFT_DISPLAY_SPI_FSPI if IDF_TARGET_ESP32S2
@ -503,18 +502,6 @@ menu "LVGL TFT Display controller"
depends on LV_TFT_DISPLAY_SPI_TRANS_MODE_SIO
endchoice
choice
prompt "Display I2C port" if LV_TFT_DISPLAY_PROTOCOL_I2C
default LV_DISPLAY_I2C_PORT_0
help
Select the I2C port used by the display controller.
config LV_DISPLAY_I2C_PORT_0
bool "I2C PORT 0"
config LV_DISPLAY_I2C_PORT_1
bool "I2C PORT 1"
endchoice
config LV_TFT_USE_CUSTOM_SPI_CLK_DIVIDER
bool "Use custom SPI clock frequency." if LV_TFT_DISPLAY_PROTOCOL_SPI
default n
@ -592,6 +579,16 @@ menu "LVGL TFT Display controller"
default 80 if LV_TFT_SPI_CLK_DIVIDER_80
default 2
config LV_M5STICKC_HANDLE_AXP192
bool "Handle Backlight and TFT power for M5StickC using AXP192." if LV_PREDEFINED_DISPLAY_M5STICKC || LV_TFT_DISPLAY_CONTROLLER_ST7735S
default y if LV_PREDEFINED_DISPLAY_M5STICKC
select LV_I2C_DISPLAY
help
Display and TFT power supply on M5StickC is controlled using an
AXP192 Power Mangerment IC. Select yes if you want to enable TFT IC
(LDO3) and backlight power using AXP192 by LVGL, or select no if you
want to take care of power management in your own code.
config LV_INVERT_DISPLAY
bool "IN DEPRECATION - Invert display." if LV_TFT_DISPLAY_CONTROLLER_RA8875
default n
@ -605,31 +602,6 @@ menu "LVGL TFT Display controller"
If the colors look inverted on your display, try enabling this.
If it didn't help try LVGL configuration -> Swap the 2 bytes of RGB565 color.
config LV_M5STICKC_HANDLE_AXP192
bool "Handle Backlight and TFT power for M5StickC using AXP192." if LV_PREDEFINED_DISPLAY_M5STICKC || LV_TFT_DISPLAY_CONTROLLER_ST7735S
default y if LV_PREDEFINED_DISPLAY_M5STICKC
help
Display and TFT power supply on M5StickC is controlled using an AXP192 Power Mangerment IC.
Select yes if you want to enable TFT IC (LDO3) and backlight power using AXP192 by LVGL, or select no if you want to take care of
power management in your own code.
config LV_AXP192_PIN_SDA
int "GPIO for AXP192 I2C SDA"
depends on LV_M5STICKC_HANDLE_AXP192
range 0 39
default 21 if LV_PREDEFINED_DISPLAY_M5STICKC
default 21
help
Configure the AXP192 I2C SDA pin here.
config LV_AXP192_PIN_SCL
int "GPIO for AXP192 I2C SCL"
depends on LV_M5STICKC_HANDLE_AXP192
range 0 39
default 22 if LV_PREDEFINED_DISPLAY_M5STICKC
default 22
help
Configure the AXP192 I2C SDA pin here.
# menu will be visible only when LV_PREDEFINED_DISPLAY_NONE is y
menu "Display RA8875 Configuration"
@ -771,7 +743,8 @@ menu "LVGL TFT Display controller"
config LV_DISP_SPI_MOSI
int "GPIO for MOSI (Master Out Slave In)" if LV_TFT_DISPLAY_PROTOCOL_SPI
range 0 39 if IDF_TARGET_ESP32
range 0 43 if IDF_TARGET_ESP32S2
range 0 46 if IDF_TARGET_ESP32S2
range 0 21 if IDF_TARGET_ESP32C3
default 23 if LV_PREDEFINED_DISPLAY_WROVER4
default 23 if LV_PREDEFINED_DISPLAY_ATAG
@ -800,7 +773,8 @@ menu "LVGL TFT Display controller"
int "GPIO for MISO (Master In Slave Out)" if LV_TFT_DISPLAY_PROTOCOL_SPI
depends on LV_DISPLAY_USE_SPI_MISO
range 0 39 if IDF_TARGET_ESP32
range 0 43 if IDF_TARGET_ESP32S2
range 0 46 if IDF_TARGET_ESP32S2
range 0 21 if IDF_TARGET_ESP32C3
default 19 if LV_PREDEFINED_PINS_TKOALA
default 38 if LV_PREDEFINED_DISPLAY_M5CORE2
@ -823,6 +797,7 @@ menu "LVGL TFT Display controller"
depends on LV_TFT_DISPLAY_SPI_TRANS_MODE_QIO
range -1 39 if IDF_TARGET_ESP32
range -1 43 if IDF_TARGET_ESP32S2
range 0 21 if IDF_TARGET_ESP32C3
default 22 if LV_PREDEFINED_PINS_TKOALA && LV_TFT_DISPLAY_SPI_TRANS_MODE_QIO
default -1
@ -834,6 +809,7 @@ menu "LVGL TFT Display controller"
depends on LV_TFT_DISPLAY_SPI_TRANS_MODE_QIO
range -1 39 if IDF_TARGET_ESP32
range -1 43 if IDF_TARGET_ESP32S2
range 0 21 if IDF_TARGET_ESP32C3
default 21 if LV_PREDEFINED_PINS_TKOALA && LV_TFT_DISPLAY_SPI_TRANS_MODE_QIO
default -1
@ -843,7 +819,8 @@ menu "LVGL TFT Display controller"
config LV_DISP_SPI_CLK
int "GPIO for CLK (SCK / Serial Clock)" if LV_TFT_DISPLAY_PROTOCOL_SPI
range 0 39 if IDF_TARGET_ESP32
range 0 43 if IDF_TARGET_ESP32S2
range 0 46 if IDF_TARGET_ESP32S2
range 0 21 if IDF_TARGET_ESP32C3
default 18 if LV_PREDEFINED_DISPLAY_M5STACK || LV_PREDEFINED_DISPLAY_M5STICK
default 18 if LV_PREDEFINED_DISPLAY_M5CORE2
@ -871,7 +848,8 @@ menu "LVGL TFT Display controller"
int "GPIO for CS (Slave Select)" if LV_TFT_DISPLAY_PROTOCOL_SPI
depends on LV_DISPLAY_USE_SPI_CS
range 0 39 if IDF_TARGET_ESP32
range 0 43 if IDF_TARGET_ESP32S2
range 0 46 if IDF_TARGET_ESP32S2
range 0 21 if IDF_TARGET_ESP32C3
default 5 if LV_PREDEFINED_PINS_38V1
default 14 if LV_PREDEFINED_DISPLAY_M5STACK || LV_PREDEFINED_DISPLAY_M5STICK
@ -899,7 +877,8 @@ menu "LVGL TFT Display controller"
config LV_DISP_PIN_DC
int "GPIO for DC (Data / Command)" if LV_TFT_DISPLAY_PROTOCOL_SPI
range 0 39 if IDF_TARGET_ESP32
range 0 43 if IDF_TARGET_ESP32S2
range 0 46 if IDF_TARGET_ESP32S2
range 0 21 if IDF_TARGET_ESP32C3
depends on LV_DISPLAY_USE_DC
default 19 if LV_PREDEFINED_PINS_38V1
@ -936,7 +915,8 @@ menu "LVGL TFT Display controller"
int "GPIO for Reset" if LV_TFT_DISPLAY_PROTOCOL_SPI && !LV_DISP_ST7789_SOFT_RESET
depends on LV_DISP_USE_RST
range 0 39 if IDF_TARGET_ESP32
range 0 43 if IDF_TARGET_ESP32S2
range 0 46 if IDF_TARGET_ESP32S2
range 0 21 if IDF_TARGET_ESP32C3
default 18 if LV_PREDEFINED_PINS_38V1
default 25 if LV_PREDEFINED_PINS_38V4
@ -957,10 +937,12 @@ menu "LVGL TFT Display controller"
config LV_DISP_PIN_BUSY
int "GPIO for Busy" if LV_TFT_DISPLAY_CONTROLLER_IL3820 || LV_TFT_DISPLAY_CONTROLLER_JD79653A || LV_TFT_DISPLAY_CONTROLLER_UC8151D
range 0 39 if IDF_TARGET_ESP32
range 0 43 if IDF_TARGET_ESP32S2
range 0 46 if IDF_TARGET_ESP32S2
range 0 21 if IDF_TARGET_ESP32C3
default 35 if LV_TFT_DISPLAY_CONTROLLER_IL3820 || LV_TFT_DISPLAY_CONTROLLER_JD79653A || LV_TFT_DISPLAY_CONTROLLER_UC8151D
default 35
default 35 if IDF_TARGET_ESP32 || IDF_TARGET_ESP32S2
default 21 if IDF_TARGET_ESP32C3
help
Configure the display Busy pin here.
@ -996,7 +978,8 @@ menu "LVGL TFT Display controller"
int "GPIO for Backlight Control"
depends on LV_ENABLE_BACKLIGHT_CONTROL
range 0 39 if IDF_TARGET_ESP32
range 0 43 if IDF_TARGET_ESP32S2
range 0 46 if IDF_TARGET_ESP32S2
range 0 21 if IDF_TARGET_ESP32C3
default 23 if LV_PREDEFINED_PINS_38V1
default 26 if LV_PREDEFINED_PINS_38V4
@ -1013,28 +996,39 @@ menu "LVGL TFT Display controller"
help
Configure the display BCLK (LED) pin here.
config LV_DISP_PIN_SDA
int "GPIO for I2C SDA" if LV_TFT_DISPLAY_PROTOCOL_I2C
range 0 39 if IDF_TARGET_ESP32
range 0 43 if IDF_TARGET_ESP32S2
default 5 if LV_PREDEFINED_DISPLAY_WEMOS_LOLIN
default 5
help
Configure the I2C SDA pin here.
config LV_DISP_PIN_SCL
int "GPIO for I2C SCL" if LV_TFT_DISPLAY_PROTOCOL_I2C
range 0 39 if IDF_TARGET_ESP32
range 0 43 if IDF_TARGET_ESP32S2
default 4 if LV_PREDEFINED_DISPLAY_WEMOS_LOLIN
default 4
help
Configure the I2C SCL pin here.
endmenu
choice
prompt "Select an I2C port for the display"
default LV_I2C_DISPLAY_PORT_0
depends on LV_I2C_DISPLAY
config LV_I2C_DISPLAY_PORT_0
bool
prompt "I2C port 0"
help
I2C is shared peripheral managed by I2C Manager. In order to configure I2C Manager (pinout, etc.) see menu
Component config->I2C Port Settings.
config LV_I2C_DISPLAY_PORT_1
bool
prompt "I2C port 1"
help
I2C is shared peripheral managed by I2C Manager. In order to configure I2C Manager (pinout, etc.) see menu
Component config->I2C Port Settings.
endchoice
config LV_I2C
bool
default y if LV_I2C_DISPLAY
config LV_I2C_DISPLAY_PORT
int
default 1 if LV_I2C_DISPLAY_PORT_1
default 0
endmenu

5
lvgl_tft/disp_spi.c
View file

@ -310,7 +310,12 @@ static void IRAM_ATTR spi_ready(spi_transaction_t *trans)
disp = lv_refr_get_disp_refreshing();
#endif
#if LVGL_VERSION_MAJOR < 8
lv_disp_flush_ready(&disp->driver);
#else
lv_disp_flush_ready(disp->driver);
#endif
}
if (chained_post_cb) {

3
lvgl_tft/ili9341.h
View file

@ -20,7 +20,8 @@ extern "C" {
#else
#include "lvgl/lvgl.h"
#endif
#include "../lvgl_helpers.h"
#include "sdkconfig.h"
/*********************
* DEFINES

39
lvgl_tft/ssd1306.c
View file

@ -13,10 +13,9 @@
/*********************
* INCLUDES
*********************/
#include "driver/i2c.h"
#include "assert.h"
#include "lvgl_i2c_conf.h"
#include "lvgl_i2c/i2c_manager.h"
#include "ssd1306.h"
@ -25,6 +24,7 @@
*********************/
#define TAG "SSD1306"
#define OLED_I2C_PORT (CONFIG_LV_I2C_DISPLAY_PORT)
// SLA (0x3C) + WRITE_MODE (0x00) = 0x78 (0b01111000)
#define OLED_I2C_ADDRESS 0x3C
#define OLED_WIDTH 128
@ -70,8 +70,6 @@
// Charge Pump (pg.62)
#define OLED_CMD_SET_CHARGE_PUMP 0x8D // follow with 0x14
#define OLED_IIC_FREQ_HZ 400000 // I2C colock frequency
/**********************
* TYPEDEFS
**********************/
@ -213,44 +211,15 @@ void ssd1306_sleep_out(void)
static uint8_t send_data(lv_disp_drv_t *disp_drv, void *bytes, size_t bytes_len)
{
(void) disp_drv;
esp_err_t err;
uint8_t *data = (uint8_t *) bytes;
i2c_cmd_handle_t cmd = i2c_cmd_link_create();
i2c_master_start(cmd);
i2c_master_write_byte(cmd, (OLED_I2C_ADDRESS << 1) | I2C_MASTER_WRITE, true);
for (size_t idx = 0; idx < bytes_len; idx++) {
i2c_master_write_byte(cmd, data[idx], true);
}
i2c_master_stop(cmd);
/* Send queued commands */
err = i2c_master_cmd_begin(DISP_I2C_PORT, cmd, 10 / portTICK_PERIOD_MS);
i2c_cmd_link_delete(cmd);
return ESP_OK == err ? 0 : 1;
return lvgl_i2c_write(OLED_I2C_PORT, OLED_I2C_ADDRESS, data[0], data + 1, bytes_len - 1 );
}
static uint8_t send_pixels(lv_disp_drv_t *disp_drv, void *color_buffer, size_t buffer_len)
{
(void) disp_drv;
esp_err_t err;
i2c_cmd_handle_t cmd = i2c_cmd_link_create();
i2c_master_start(cmd);
i2c_master_write_byte(cmd, (OLED_I2C_ADDRESS << 1) | I2C_MASTER_WRITE, true);
i2c_master_write_byte(cmd, OLED_CONTROL_BYTE_DATA_STREAM, true);
i2c_master_write(cmd, (uint8_t *) color_buffer, buffer_len, true);
i2c_master_stop(cmd);
/* Send queued commands */
err = i2c_master_cmd_begin(DISP_I2C_PORT, cmd, 10 / portTICK_PERIOD_MS);
i2c_cmd_link_delete(cmd);
return ESP_OK == err ? 0 : 1;
return lvgl_i2c_write(OLED_I2C_PORT, OLED_I2C_ADDRESS, OLED_CONTROL_BYTE_DATA_STREAM, color_buffer, buffer_len);
}

2
lvgl_tft/ssd1306.h
View file

@ -25,8 +25,6 @@ extern "C" {
/*********************
* DEFINES
*********************/
#define SSD1306_SDA CONFIG_LV_DISP_PIN_SDA
#define SSD1306_SCL CONFIG_LV_DISP_PIN_SCL
#define SSD1306_DISPLAY_ORIENTATION TFT_ORIENTATION_LANDSCAPE
/**********************

87
lvgl_tft/st7735s.c
View file

@ -8,12 +8,15 @@
*********************/
#include "st7735s.h"
#include "disp_spi.h"
#include "driver/i2c.h"
#include "driver/gpio.h"
#include "esp_log.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#ifdef CONFIG_LV_M5STICKC_HANDLE_AXP192
#include "lvgl_i2c/i2c_manager.h"
#endif
/*********************
* DEFINES
*********************/
@ -38,7 +41,6 @@ static void st7735s_send_cmd(uint8_t cmd);
static void st7735s_send_data(void * data, uint16_t length);
static void st7735s_send_color(void * data, uint16_t length);
static void st7735s_set_orientation(uint8_t orientation);
static void i2c_master_init();
static void axp192_write_byte(uint8_t addr, uint8_t data);
static void axp192_init();
static void axp192_sleep_in();
@ -60,7 +62,6 @@ uint8_t st7735s_portrait_mode = 0;
void st7735s_init(void)
{
#ifdef CONFIG_LV_M5STICKC_HANDLE_AXP192
i2c_master_init();
axp192_init();
#endif
@ -163,12 +164,16 @@ void st7735s_flush(lv_disp_drv_t * drv, const lv_area_t * area, lv_color_t * col
void st7735s_sleep_in()
{
st7735s_send_cmd(0x10);
axp192_sleep_in();
#ifdef CONFIG_LV_M5STICKC_HANDLE_AXP192
axp192_sleep_in();
#endif
}
void st7735s_sleep_out()
{
axp192_sleep_out();
#ifdef CONFIG_LV_M5STICKC_HANDLE_AXP192
axp192_sleep_out();
#endif
st7735s_send_cmd(0x11);
}
@ -218,55 +223,35 @@ static void st7735s_set_orientation(uint8_t orientation)
st7735s_send_data((void *) &data[orientation], 1);
}
static void i2c_master_init()
{
i2c_config_t i2c_config = {
.mode = I2C_MODE_MASTER,
.sda_io_num = AXP192_SDA,
.scl_io_num = AXP192_SCL,
.sda_pullup_en = GPIO_PULLUP_ENABLE,
.scl_pullup_en = GPIO_PULLUP_ENABLE,
.master.clk_speed = 400000
};
i2c_param_config(I2C_NUM_0, &i2c_config);
i2c_driver_install(I2C_NUM_0, I2C_MODE_MASTER, 0, 0, 0);
}
#ifdef CONFIG_LV_M5STICKC_HANDLE_AXP192
static void axp192_write_byte(uint8_t addr, uint8_t data)
{
esp_err_t ret;
i2c_cmd_handle_t cmd = i2c_cmd_link_create();
static void axp192_write_byte(uint8_t addr, uint8_t data)
{
err = lvgl_i2c_write(CONFIG_LV_I2C_DISPLAY_PORT, AXP192_I2C_ADDRESS, addr, &data, 1);
if (ret != ESP_OK) {
ESP_LOGE(TAG, "AXP192 send failed. code: 0x%.2X", ret);
}
}
i2c_master_start(cmd);
i2c_master_write_byte(cmd, (AXP192_I2C_ADDRESS << 1) | I2C_MASTER_WRITE, true);
i2c_master_write_byte(cmd, addr, true);
i2c_master_write_byte(cmd, data, true);
i2c_master_stop(cmd);
static void axp192_init()
{
// information on how to init and use AXP192 ifor M5StickC taken from
// https://forum.m5stack.com/topic/1025/m5stickc-turn-off-screen-completely
ret = i2c_master_cmd_begin(I2C_NUM_0, cmd, 10/portTICK_PERIOD_MS);
if (ret != ESP_OK) {
ESP_LOGE(TAG, "AXP192 send failed. code: 0x%.2X", ret);
}
i2c_cmd_link_delete(cmd);
}
axp192_write_byte(0x10, 0xFF); // OLED_VPP Enable
axp192_write_byte(0x28, 0xCC); // Enable LDO2&LDO3, LED&TFT 3.0V
axp192_sleep_out();
ESP_LOGI(TAG, "AXP192 initialized, power enabled for LDO2 and LDO3");
}
static void axp192_init()
{
// information on how to init and use AXP192 ifor M5StickC taken from
// https://forum.m5stack.com/topic/1025/m5stickc-turn-off-screen-completely
static void axp192_sleep_in()
{
axp192_write_byte(0x12, 0x4b);
}
axp192_write_byte(0x10, 0xFF); // OLED_VPP Enable
axp192_write_byte(0x28, 0xCC); // Enable LDO2&LDO3, LED&TFT 3.0V
axp192_sleep_out();
ESP_LOGI(TAG, "AXP192 initialized, power enabled for LDO2 and LDO3");
}
static void axp192_sleep_out()
{
axp192_write_byte(0x12, 0x4d);
}
static void axp192_sleep_in()
{
axp192_write_byte(0x12, 0x4b);
}
static void axp192_sleep_out()
{
axp192_write_byte(0x12, 0x4d);
}
#endif

3
lvgl_tft/st7735s.h
View file

@ -29,9 +29,6 @@ extern "C" {
#define ST7735S_RST CONFIG_LV_DISP_PIN_RST
#define ST7735S_USE_RST CONFIG_LV_DISP_USE_RST
#define AXP192_SDA CONFIG_LV_AXP192_PIN_SDA
#define AXP192_SCL CONFIG_LV_AXP192_PIN_SCL
#define ST7735S_INVERT_COLORS CONFIG_LV_INVERT_COLORS
// Defines are taken from