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display: ili9340: Add support of Seeed 2.8" TFT Touch Shield v2.0.

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Add support of Seeed 2.8" TFT Touch Shield v2.0 to ILI9340 driver.
This driver supports color pixel formats of RGB888 and RGB565.

Signed-off-by: Bernard Lee <bernard.lee@nordicsemi.no>
This commit is contained in:
Bernard Lee 2019-05-16 17:46:04 +08:00 • committed by Anas Nashif
commit 0744adf417
4 changed files with 191 additions and 0 deletions
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3
drivers/display/CMakeLists.txt
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@ -11,6 +11,9 @@ zephyr_sources_ifdef(CONFIG_ILI9340 display_ili9340.c)
zephyr_sources_ifdef(CONFIG_ILI9340_LCD_ADAFRUIT_1480 zephyr_sources_ifdef(CONFIG_ILI9340_LCD_ADAFRUIT_1480
display_ili9340_adafruit_1480.c display_ili9340_adafruit_1480.c
) )
zephyr_sources_ifdef(CONFIG_ILI9340_LCD_SEEED_TFTV2
display_ili9340_seeed_tftv2.c
)
zephyr_sources_ifdef(CONFIG_SSD1306 ssd1306.c) zephyr_sources_ifdef(CONFIG_SSD1306 ssd1306.c)
zephyr_sources_ifdef(CONFIG_SSD1673 ssd1673.c) zephyr_sources_ifdef(CONFIG_SSD1673 ssd1673.c)

3
drivers/display/Kconfig.ili9340
View file

@ -23,6 +23,9 @@ choice
config ILI9340_LCD_ADAFRUIT_1480 config ILI9340_LCD_ADAFRUIT_1480
bool "Adafruit 2.2\" TFT 1480" bool "Adafruit 2.2\" TFT 1480"
config ILI9340_LCD_SEEED_TFTV2
bool "Seeed 2.8\" TFT v2.0"
endchoice endchoice
choice choice

11
drivers/display/display_ili9340.h
View file

@ -1,5 +1,6 @@
/* /*
* Copyright (c) 2017 Jan Van Winkel <jan.van_winkel@dxplore.eu> * Copyright (c) 2017 Jan Van Winkel <jan.van_winkel@dxplore.eu>
* Copyright (c) 2019 Nordic Semiconductor ASA
* *
* SPDX-License-Identifier: Apache-2.0 * SPDX-License-Identifier: Apache-2.0
*/ */
@ -8,6 +9,7 @@
#include <zephyr.h> #include <zephyr.h>
#define ILI9340_CMD_SOFTWARE_RESET 0x01
#define ILI9340_CMD_ENTER_SLEEP 0x10 #define ILI9340_CMD_ENTER_SLEEP 0x10
#define ILI9340_CMD_EXIT_SLEEP 0x11 #define ILI9340_CMD_EXIT_SLEEP 0x11
#define ILI9340_CMD_GAMMA_SET 0x26 #define ILI9340_CMD_GAMMA_SET 0x26
@ -27,6 +29,15 @@
#define ILI9340_CMD_POSITVE_GAMMA_CORRECTION 0xE0 #define ILI9340_CMD_POSITVE_GAMMA_CORRECTION 0xE0
#define ILI9340_CMD_NEGATIVE_GAMMA_CORRECTION 0xE1 #define ILI9340_CMD_NEGATIVE_GAMMA_CORRECTION 0xE1
#define ILI9341_CMD_POWER_CTRL_A 0xCB
#define ILI9341_CMD_POWER_CTRL_B 0xCF
#define ILI9341_CMD_DRVR_TIMING_CTRL_A_I 0xE8
#define ILI9341_CMD_DRVR_TIMING_CTRL_A_E 0xE9
#define ILI9341_CMD_DRVR_TIMING_CTRL_B 0xEA
#define ILI9341_CMD_POWER_ON_SEQ_CTRL 0xED
#define ILI9341_CMD_ENABLE_3G 0xF2
#define ILI9341_CMD_PUMP_RATIO_CTRL 0xF7
#define ILI9340_DATA_MEM_ACCESS_CTRL_MY 0x80 #define ILI9340_DATA_MEM_ACCESS_CTRL_MY 0x80
#define ILI9340_DATA_MEM_ACCESS_CTRL_MX 0x40 #define ILI9340_DATA_MEM_ACCESS_CTRL_MX 0x40
#define ILI9340_DATA_MEM_ACCESS_CTRL_MV 0x20 #define ILI9340_DATA_MEM_ACCESS_CTRL_MV 0x20

174
drivers/display/display_ili9340_seeed_tftv2.c Normal file
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@ -0,0 +1,174 @@
/*
* Copyright (c) 2018 - 2019 Nordic Semiconductor ASA
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <display.h>
#include "display_ili9340.h"
/*
* Derived from Seeed 2.8 inch TFT Touch Shield v2.0 sample code.
*
* https://github.com/Seeed-Studio/TFT_Touch_Shield_V2
*/
void ili9340_lcd_init(struct ili9340_data *p_ili9340)
{
u8_t cmd;
u8_t data[15];
/* Software reset */
cmd = ILI9340_CMD_SOFTWARE_RESET;
ili9340_transmit(p_ili9340, cmd, NULL, 0);
k_sleep(5);
cmd = ILI9341_CMD_POWER_CTRL_B;
data[0] = 0x00U;
data[1] = 0x8BU;
data[2] = 0x30U;
ili9340_transmit(p_ili9340, cmd, data, 3);
cmd = ILI9341_CMD_POWER_ON_SEQ_CTRL;
data[0] = 0x67U;
data[1] = 0x03U;
data[2] = 0x12U;
data[3] = 0x81U;
ili9340_transmit(p_ili9340, cmd, data, 4);
cmd = ILI9341_CMD_DRVR_TIMING_CTRL_A_I;
data[0] = 0x85U;
data[1] = 0x10U;
data[2] = 0x7AU;
ili9340_transmit(p_ili9340, cmd, data, 3);
cmd = ILI9341_CMD_POWER_CTRL_A;
data[0] = 0x39U;
data[1] = 0x2CU;
data[2] = 0x00U;
data[3] = 0x34U;
data[4] = 0x02U;
ili9340_transmit(p_ili9340, cmd, data, 5);
cmd = ILI9341_CMD_PUMP_RATIO_CTRL;
data[0] = 0x20U;
ili9340_transmit(p_ili9340, cmd, data, 1);
cmd = ILI9341_CMD_DRVR_TIMING_CTRL_B;
data[0] = 0x00U;
data[1] = 0x00U;
ili9340_transmit(p_ili9340, cmd, data, 2);
/* Power control */
/* VRH[5:0] */
cmd = ILI9340_CMD_POWER_CTRL_1;
data[0] = 0x1BU;
ili9340_transmit(p_ili9340, cmd, data, 1);
/* Power control */
/* SAP[2:0];BT[3:0] */
cmd = ILI9340_CMD_POWER_CTRL_2;
data[0] = 0x10U;
ili9340_transmit(p_ili9340, cmd, data, 1);
/* VCM control */
cmd = ILI9340_CMD_VCOM_CTRL_1;
data[0] = 0x3FU;
data[1] = 0x3CU;
ili9340_transmit(p_ili9340, cmd, data, 2);
/* VCM control2 */
cmd = ILI9340_CMD_VCOM_CTRL_2;
data[0] = 0xB7U;
ili9340_transmit(p_ili9340, cmd, data, 1);
/* Memory Access Control */
cmd = ILI9340_CMD_MEM_ACCESS_CTRL;
data[0] = ILI9340_DATA_MEM_ACCESS_CTRL_MY |
ILI9340_DATA_MEM_ACCESS_CTRL_MV |
ILI9340_DATA_MEM_ACCESS_CTRL_ML |
ILI9340_DATA_MEM_ACCESS_CTRL_BGR;
ili9340_transmit(p_ili9340, cmd, data, 1);
/* Pixel Format Set */
cmd = ILI9340_CMD_PIXEL_FORMAT_SET;
#ifdef CONFIG_ILI9340_RGB565
data[0] = ILI9340_DATA_PIXEL_FORMAT_MCU_16_BIT |
ILI9340_DATA_PIXEL_FORMAT_RGB_16_BIT;
#else
data[0] = ILI9340_DATA_PIXEL_FORMAT_MCU_18_BIT |
ILI9340_DATA_PIXEL_FORMAT_RGB_18_BIT;
#endif
ili9340_transmit(p_ili9340, cmd, data, 1);
/* Frame Rate */
cmd = ILI9340_CMD_FRAME_CTRL_NORMAL_MODE;
data[0] = 0x00U;
data[1] = 0x1BU;
ili9340_transmit(p_ili9340, cmd, data, 2);
/* Display Function Control */
cmd = ILI9340_CMD_DISPLAY_FUNCTION_CTRL;
data[0] = 0x0AU;
data[1] = 0xA2U;
ili9340_transmit(p_ili9340, cmd, data, 2);
/* 3Gamma Function Disable */
cmd = ILI9341_CMD_ENABLE_3G;
data[0] = 0x00U;
ili9340_transmit(p_ili9340, cmd, data, 1);
/* Gamma curve selected */
cmd = ILI9340_CMD_GAMMA_SET;
data[0] = 0x01U;
ili9340_transmit(p_ili9340, cmd, data, 1);
/* Positive Gamma Correction */
cmd = ILI9340_CMD_POSITVE_GAMMA_CORRECTION;
data[0] = 0x0FU;
data[1] = 0x2AU;
data[2] = 0x28U;
data[3] = 0x08U;
data[4] = 0x0EU;
data[5] = 0x08U;
data[6] = 0x54U;
data[7] = 0xA9U;
data[8] = 0x43U;
data[9] = 0x0AU;
data[10] = 0x0FU;
data[11] = 0x00U;
data[12] = 0x00U;
data[13] = 0x00U;
data[14] = 0x00U;
ili9340_transmit(p_ili9340, cmd, data, 15);
/* Negative Gamma Correction */
cmd = ILI9340_CMD_NEGATIVE_GAMMA_CORRECTION;
data[0] = 0x00U;
data[1] = 0x15U;
data[2] = 0x17U;
data[3] = 0x07U;
data[4] = 0x11U;
data[5] = 0x06U;
data[6] = 0x2BU;
data[7] = 0x56U;
data[8] = 0x3CU;
data[9] = 0x05U;
data[10] = 0x10U;
data[11] = 0x0FU;
data[12] = 0x3FU;
data[13] = 0x3FU;
data[14] = 0x0FU;
ili9340_transmit(p_ili9340, cmd, data, 15);
/* Sleep Out */
cmd = ILI9340_CMD_EXIT_SLEEP;
ili9340_transmit(p_ili9340, cmd, NULL, 0);
k_sleep(120);
/* Display Off */
cmd = ILI9340_CMD_DISPLAY_OFF;
ili9340_transmit(p_ili9340, cmd, NULL, 0);
}