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commit 737cce54287db975698c7863974e2f8453ff095e Author: Jerzy Kasenberg <jerzy.kasenb...@codecoup.pl> AuthorDate: Thu Mar 2 12:23:19 2023 +0100 lvgl/ili9341: Add initial support for ILI9341 TFT --- hw/drivers/display/lvgl/pkg.yml | 3 + hw/drivers/display/lvgl/syscfg.yml | 3 + hw/drivers/display/lvgl/tft/ili9341/pkg.yml | 28 +++ hw/drivers/display/lvgl/tft/ili9341/src/ili9341.c | 269 ++++++++++++++++++++++ hw/drivers/display/lvgl/tft/ili9341/syscfg.yml | 23 ++ 5 files changed, 326 insertions(+) diff --git a/hw/drivers/display/lvgl/pkg.yml b/hw/drivers/display/lvgl/pkg.yml index 6a026fcb2..8a34ac60b 100644 --- a/hw/drivers/display/lvgl/pkg.yml +++ b/hw/drivers/display/lvgl/pkg.yml @@ -58,6 +58,9 @@ pkg.deps: - "@apache-mynewt-core/hw/hal" - "@apache-mynewt-core/hw/drivers/display/lcd_itf" +pkg.deps.LVGL_ILI9341: + - "@apache-mynewt-core/hw/drivers/display/lvgl/tft/ili9341" + pkg.cflags: - -DLV_CONF_INCLUDE_SIMPLE=1 - -Wno-unused-variable diff --git a/hw/drivers/display/lvgl/syscfg.yml b/hw/drivers/display/lvgl/syscfg.yml index 145147a5b..7f4dd4af6 100644 --- a/hw/drivers/display/lvgl/syscfg.yml +++ b/hw/drivers/display/lvgl/syscfg.yml @@ -22,6 +22,9 @@ syscfg.defs: LV_COLOR_16_SWAP changes order of 16 bit RGB value to better match 8 bit SPI protocol. value: 0 + LVGL_ILI9341: + description: Enable ILI9341 display driver. + value: LVGL_TIMER_PERIOD_MS: description: LV timer interval for periodical refresh and touch read value: 10 diff --git a/hw/drivers/display/lvgl/tft/ili9341/pkg.yml b/hw/drivers/display/lvgl/tft/ili9341/pkg.yml new file mode 100644 index 000000000..d6a2aa439 --- /dev/null +++ b/hw/drivers/display/lvgl/tft/ili9341/pkg.yml @@ -0,0 +1,28 @@ +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. +# + +pkg.name: hw/drivers/display/lvgl/tft/ili9341 +pkg.description: LVGL display driver for ili9341 +pkg.author: "Apache Mynewt <d...@mynewt.apache.org>" +pkg.homepage: "http://mynewt.apache.org/" +pkg.keywords: + +pkg.cflags: + +pkg.deps: + - "@apache-mynewt-core/hw/bus/drivers/spi_common" diff --git a/hw/drivers/display/lvgl/tft/ili9341/src/ili9341.c b/hw/drivers/display/lvgl/tft/ili9341/src/ili9341.c new file mode 100644 index 000000000..5f3a3e293 --- /dev/null +++ b/hw/drivers/display/lvgl/tft/ili9341/src/ili9341.c @@ -0,0 +1,269 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +#include <syscfg/syscfg.h> +#include <bsp/bsp.h> +#include <lv_glue.h> +#include <hal/lv_hal_disp.h> +#include <hal/hal_gpio.h> +#include <lcd_itf.h> + +#define ILI9341_TFTWIDTH 240 +#define ILI9341_TFTHEIGHT 320 + +/* Level 1 Commands -------------- [section] Description */ + +#define ILI9341_NOP 0x00 /* [8.2.1 ] No Operation / Terminate Frame Memory Write */ +#define ILI9341_SWRESET 0x01 /* [8.2.2 ] Software Reset */ +#define ILI9341_RDDIDIF 0x04 /* [8.2.3 ] Read Display Identification Information */ +#define ILI9341_RDDST 0x09 /* [8.2.4 ] Read Display Status */ +#define ILI9341_RDDPM 0x0A /* [8.2.5 ] Read Display Power Mode */ +#define ILI9341_RDDMADCTL 0x0B /* [8.2.6 ] Read Display MADCTL */ +#define ILI9341_RDDCOLMOD 0x0C /* [8.2.7 ] Read Display Pixel Format */ +#define ILI9341_RDDIM 0x0D /* [8.2.8 ] Read Display Image Mode */ +#define ILI9341_RDDSM 0x0E /* [8.2.9 ] Read Display Signal Mode */ +#define ILI9341_RDDSDR 0x0F /* [8.2.10] Read Display Self-Diagnostic Result */ +#define ILI9341_SLPIN 0x10 /* [8.2.11] Enter Sleep Mode */ +#define ILI9341_SLPOUT 0x11 /* [8.2.12] Leave Sleep Mode */ +#define ILI9341_PTLON 0x12 /* [8.2.13] Partial Display Mode ON */ +#define ILI9341_NORON 0x13 /* [8.2.14] Normal Display Mode ON */ +#define ILI9341_DINVOFF 0x20 /* [8.2.15] Display Inversion OFF */ +#define ILI9341_DINVON 0x21 /* [8.2.16] Display Inversion ON */ +#define ILI9341_GAMSET 0x26 /* [8.2.17] Gamma Set */ +#define ILI9341_DISPOFF 0x28 /* [8.2.18] Display OFF*/ +#define ILI9341_DISPON 0x29 /* [8.2.19] Display ON*/ +#define ILI9341_CASET 0x2A /* [8.2.20] Column Address Set */ +#define ILI9341_PASET 0x2B /* [8.2.21] Page Address Set */ +#define ILI9341_RAMWR 0x2C /* [8.2.22] Memory Write */ +#define ILI9341_RGBSET 0x2D /* [8.2.23] Color Set (LUT for 16-bit to 18-bit color depth conversion) */ +#define ILI9341_RAMRD 0x2E /* [8.2.24] Memory Read */ +#define ILI9341_PTLAR 0x30 /* [8.2.25] Partial Area */ +#define ILI9341_VSCRDEF 0x33 /* [8.2.26] Veritcal Scrolling Definition */ +#define ILI9341_TEOFF 0x34 /* [8.2.27] Tearing Effect Line OFF */ +#define ILI9341_TEON 0x35 /* [8.2.28] Tearing Effect Line ON */ +#define ILI9341_MADCTL 0x36 /* [8.2.29] Memory Access Control */ +#define MADCTL_MY 0x80 /* MY row address order */ +#define MADCTL_MX 0x40 /* MX column address order */ +#define MADCTL_MV 0x20 /* MV row / column exchange */ +#define MADCTL_ML 0x10 /* ML vertical refresh order */ +#define MADCTL_MH 0x04 /* MH horizontal refresh order */ +#define MADCTL_RGB 0x00 /* RGB Order [default] */ +#define MADCTL_BGR 0x08 /* BGR Order */ +#define ILI9341_VSCRSADD 0x37 /* [8.2.30] Vertical Scrolling Start Address */ +#define ILI9341_IDMOFF 0x38 /* [8.2.31] Idle Mode OFF */ +#define ILI9341_IDMON 0x39 /* [8.2.32] Idle Mode ON */ +#define ILI9341_PIXSET 0x3A /* [8.2.33] Pixel Format Set */ +#define ILI9341_WRMEMCONT 0x3C /* [8.2.34] Write Memory Continue */ +#define ILI9341_RDMEMCONT 0x3E /* [8.2.35] Read Memory Continue */ +#define ILI9341_SETSCANTE 0x44 /* [8.2.36] Set Tear Scanline */ +#define ILI9341_GETSCAN 0x45 /* [8.2.37] Get Scanline */ +#define ILI9341_WRDISBV 0x51 /* [8.2.38] Write Display Brightness Value */ +#define ILI9341_RDDISBV 0x52 /* [8.2.39] Read Display Brightness Value */ +#define ILI9341_WRCTRLD 0x53 /* [8.2.40] Write Control Display */ +#define ILI9341_RDCTRLD 0x54 /* [8.2.41] Read Control Display */ +#define ILI9341_WRCABC 0x55 /* [8.2.42] Write Content Adaptive Brightness Control Value */ +#define ILI9341_RDCABC 0x56 /* [8.2.43] Read Content Adaptive Brightness Control Value */ +#define ILI9341_WRCABCMIN 0x5E /* [8.2.44] Write CABC Minimum Brightness */ +#define ILI9341_RDCABCMIN 0x5F /* [8.2.45] Read CABC Minimum Brightness */ +#define ILI9341_RDID1 0xDA /* [8.2.46] Read ID1 - Manufacturer ID (user) */ +#define ILI9341_RDID2 0xDB /* [8.2.47] Read ID2 - Module/Driver version (supplier) */ +#define ILI9341_RDID3 0xDC /* [8.2.48] Read ID3 - Module/Driver version (user) */ + +/* Level 2 Commands -------------- [section] Description */ + +#define ILI9341_IFMODE 0xB0 /* [8.3.1 ] Interface Mode Control */ +#define ILI9341_FRMCTR1 0xB1 /* [8.3.2 ] Frame Rate Control (In Normal Mode/Full Colors) */ +#define ILI9341_FRMCTR2 0xB2 /* [8.3.3 ] Frame Rate Control (In Idle Mode/8 colors) */ +#define ILI9341_FRMCTR3 0xB3 /* [8.3.4 ] Frame Rate control (In Partial Mode/Full Colors) */ +#define ILI9341_INVTR 0xB4 /* [8.3.5 ] Display Inversion Control */ +#define ILI9341_PRCTR 0xB5 /* [8.3.6 ] Blanking Porch Control */ +#define ILI9341_DISCTRL 0xB6 /* [8.3.7 ] Display Function Control */ +#define ILI9341_ETMOD 0xB7 /* [8.3.8 ] Entry Mode Set */ +#define ILI9341_BLCTRL1 0xB8 /* [8.3.9 ] Backlight Control 1 - Grayscale Histogram UI mode */ +#define ILI9341_BLCTRL2 0xB9 /* [8.3.10] Backlight Control 2 - Grayscale Histogram still picture mode */ +#define ILI9341_BLCTRL3 0xBA /* [8.3.11] Backlight Control 3 - Grayscale Thresholds UI mode */ +#define ILI9341_BLCTRL4 0xBB /* [8.3.12] Backlight Control 4 - Grayscale Thresholds still picture mode */ +#define ILI9341_BLCTRL5 0xBC /* [8.3.13] Backlight Control 5 - Brightness Transition time */ +#define ILI9341_BLCTRL7 0xBE /* [8.3.14] Backlight Control 7 - PWM Frequency */ +#define ILI9341_BLCTRL8 0xBF /* [8.3.15] Backlight Control 8 - ON/OFF + PWM Polarity*/ +#define ILI9341_PWCTRL1 0xC0 /* [8.3.16] Power Control 1 - GVDD */ +#define ILI9341_PWCTRL2 0xC1 /* [8.3.17] Power Control 2 - step-up factor for operating voltage */ +#define ILI9341_VMCTRL1 0xC5 /* [8.3.18] VCOM Control 1 - Set VCOMH and VCOML */ +#define ILI9341_VMCTRL2 0xC7 /* [8.3.19] VCOM Control 2 - VCOM offset voltage */ +#define ILI9341_NVMWR 0xD0 /* [8.3.20] NV Memory Write */ +#define ILI9341_NVMPKEY 0xD1 /* [8.3.21] NV Memory Protection Key */ +#define ILI9341_RDNVM 0xD2 /* [8.3.22] NV Memory Status Read */ +#define ILI9341_RDID4 0xD3 /* [8.3.23] Read ID4 - IC Device Code */ +#define ILI9341_PGAMCTRL 0xE0 /* [8.3.24] Positive Gamma Control */ +#define ILI9341_NGAMCTRL 0xE1 /* [8.3.25] Negative Gamma Correction */ +#define ILI9341_DGAMCTRL1 0xE2 /* [8.3.26] Digital Gamma Control 1 */ +#define ILI9341_DGAMCTRL2 0xE3 /* [8.3.27] Digital Gamma Control 2 */ +#define ILI9341_IFCTL 0xF6 /* [8.3.28] 16bits Data Format Selection */ + +/* Extended Commands --------------- [section] Description*/ + +#define ILI9341_PWCTRLA 0xCB /* [8.4.1] Power control A */ +#define ILI9341_PWCTRLB 0xCF /* [8.4.2] Power control B */ +#define ILI9341_TIMECTRLA_INT 0xE8 /* [8.4.3] Internal Clock Driver timing control A */ +#define ILI9341_TIMECTRLA_EXT 0xE9 /* [8.4.4] External Clock Driver timing control A */ +#define ILI9341_TIMECTRLB 0xEA /* [8.4.5] Driver timing control B (gate driver timing control) */ +#define ILI9341_PWSEQCTRL 0xED /* [8.4.6] Power on sequence control */ +#define ILI9341_GAM3CTRL 0xF2 /* [8.4.7] Enable 3 gamma control */ +#define ILI9341_PUMPRATIO 0xF7 /* [8.4.8] Pump ratio control */ + +#define ILI9341_HOR_RES ILI9341_TFTWIDTH +#define ILI9341_VER_RES ILI9341_TFTHEIGHT + +static const uint8_t madctl[] = { + MADCTL_MX, + MADCTL_MX | MADCTL_MY | MADCTL_MV, + MADCTL_MY, + MADCTL_MV, +}; + +void +ili9341_rotate(lv_disp_rot_t rotation) +{ + uint8_t madcmd[2] = { ILI9341_MADCTL, MADCTL_BGR | madctl[rotation] }; + + lcd_ift_write_cmd(madcmd, 2); +} + +LCD_SEQUENCE(init_cmds) + LCD_SEQUENCE_LCD_CS_INACTIVATE(), + LCD_SEQUENCE_LCD_DC_DATA(), +#if MYNEWT_VAL(LCD_RESET_PIN) >= 0 + LCD_SEQUENCE_LCD_RESET_ACTIVATE(), + LCD_SEQUENCE_DELAY_US(50), + LCD_SEQUENCE_LCD_RESET_INACTIVATE(), + LCD_SEQUENCE_DELAY(5), +#endif + 1, ILI9341_NOP, +#if MYNEWT_VAL(LCD_RESET_PIN) < 0 + 1, ILI9341_SWRESET, + LCD_SEQUENCE_DELAY(5), +#endif + 1, ILI9341_DISPOFF, + 4, ILI9341_PWCTRLB, 0x00, 0x83, 0x30, + 5, ILI9341_PWSEQCTRL, 0x64, 0x03, 0x12, 0x81, + 4, ILI9341_TIMECTRLA_INT, 0x85, 0x01, 0x79, + 6, ILI9341_PWCTRLA, 0x39, 0x2c, 0x00, 0x34, 0x02, + 2, ILI9341_PUMPRATIO, 0x20, + 3, ILI9341_TIMECTRLB, 0x00, 0x00, + 2, ILI9341_PWCTRL1, 0x26, + 2, ILI9341_PWCTRL2, 0x11, + 3, ILI9341_VMCTRL1, 0x35, 0x3E, + 2, ILI9341_VMCTRL2, 0xBE, + 2, ILI9341_MADCTL, MADCTL_BGR | MADCTL_MX, + 2 ,ILI9341_PIXSET, 0x55, + 3, ILI9341_FRMCTR1, 0x00, 0x1B, + /* positive gamma correction */ + 2, ILI9341_GAMSET, 01, + 16, ILI9341_PGAMCTRL, 0x1f, 0x1a, 0x18, 0x0a, 0x0f, 0x06, 0x45, 0x87, 0x32, 0x0a, 0x07, 0x02, 0x07, 0x05, 0x00, + 16, ILI9341_NGAMCTRL, 0x00, 0x25, 0x27, 0x05, 0x10, 0x09, 0x3a, 0x78, 0x4d, 0x05, 0x18, 0x0d, 0x38, 0x3a, 0x1f, + 5, ILI9341_CASET, 0x00, 0x00, 0x00, 0xEF, + 5, ILI9341_PASET, 0x00, 0x00, 0x01, 0x3F, + 1, ILI9341_TEON, + 2, ILI9341_ETMOD, 0x07, + 5, ILI9341_DISCTRL, 0x0a, 0x82, 0x27, 0x00, + 1, ILI9341_SLPOUT, + LCD_SEQUENCE_DELAY(100), + 1, ILI9341_DISPON, + LCD_SEQUENCE_DELAY(20), +LCD_SEQUENCE_END + +/** + * Initialize the ILI9341 display controller + */ +void +ili9341_init(lv_disp_drv_t *driver) +{ + lcd_command_sequence(init_cmds); +} + +static void +ili9341_drv_update(struct _lv_disp_drv_t *drv) +{ + ili9341_rotate(drv->rotated); +} + +void +ili9341_flush(lv_disp_drv_t *drv, const lv_area_t *area, lv_color_t *color_p) +{ + int32_t y; + uint8_t cmd[5]; + lv_coord_t w; + + if (area->x2 < 0 || area->y2 < 0 || area->x1 >= ILI9341_HOR_RES || area->y1 >= ILI9341_VER_RES) { + lv_disp_flush_ready(drv); + return; + } + + /* Truncate the area to the screen */ + int32_t act_x1 = area->x1 < 0 ? 0 : area->x1; + int32_t act_y1 = area->y1 < 0 ? 0 : area->y1; + int32_t act_x2 = area->x2 >= ILI9341_HOR_RES ? ILI9341_HOR_RES - 1 : area->x2; + int32_t act_y2 = area->y2 >= ILI9341_VER_RES ? ILI9341_VER_RES - 1 : area->y2; + + w = lv_area_get_width(area); + + /* Column address */ + cmd[0] = ILI9341_CASET; + cmd[1] = (uint8_t)(act_x1 >> 8); + cmd[2] = (uint8_t)act_x1; + cmd[3] = (uint8_t)(act_x2 >> 8); + cmd[4] = (uint8_t)act_x2; + lcd_ift_write_cmd(cmd, 5); + + /* Page address */ + cmd[0] = ILI9341_PASET; + cmd[1] = (uint8_t)(act_y1 >> 8); + cmd[2] = (uint8_t)act_y1; + cmd[3] = (uint8_t)(act_y2 >> 8); + cmd[4] = (uint8_t)act_y2; + lcd_ift_write_cmd(cmd, 5); + + cmd[0] = ILI9341_RAMWR; + lcd_ift_write_cmd(cmd, 1); + + for (y = act_y1; y <= act_y2; y++) { + lcd_itf_write_color_data(color_p, w * sizeof(*color_p)); + color_p += w; + } + + lv_disp_flush_ready(drv); +} + +void +mynewt_lv_drv_init(lv_disp_drv_t *driver) +{ + if (MYNEWT_VAL(LCD_BL_PIN) >= 0) { + hal_gpio_init_out(MYNEWT_VAL(LCD_BL_PIN), 1); + } + if (MYNEWT_VAL(LCD_RESET_PIN) >= 0) { + hal_gpio_init_out(MYNEWT_VAL(LCD_RESET_PIN), 1); + } + lcd_itf_init(); + driver->flush_cb = ili9341_flush; + driver->drv_update_cb = ili9341_drv_update; + driver->hor_res = ILI9341_TFTWIDTH; + driver->ver_res = ILI9341_TFTHEIGHT; + + ili9341_init(driver); +} diff --git a/hw/drivers/display/lvgl/tft/ili9341/syscfg.yml b/hw/drivers/display/lvgl/tft/ili9341/syscfg.yml new file mode 100644 index 000000000..9b18475be --- /dev/null +++ b/hw/drivers/display/lvgl/tft/ili9341/syscfg.yml @@ -0,0 +1,23 @@ +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. +# + +syscfg.defs: + +syscfg.vals: + LVGL_DISPLAY_HORIZONTAL_RESOLUTION: 240 + LVGL_DISPLAY_VERTICAL_RESOLUTION: 320