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rymek pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/mynewt-core.git
commit 4a153600c072d6f5a4b92ee2d25da6d6d20856cd
Author: Jerzy Kasenberg <jerzy.kasenb...@codecoup.pl>
AuthorDate: Fri Apr 21 11:30:25 2023 +0200
lvgl/st7789: Add initial support for ST7789 TFT
---
hw/drivers/display/lvgl/pkg.yml | 2 +
hw/drivers/display/lvgl/syscfg.yml | 3 +
hw/drivers/display/lvgl/tft/st7789/pkg.yml | 27 +++
hw/drivers/display/lvgl/tft/st7789/src/st7789.c | 298 ++++++++++++++++++++++++
hw/drivers/display/lvgl/tft/st7789/syscfg.yml | 26 +++
5 files changed, 356 insertions(+)
diff --git a/hw/drivers/display/lvgl/pkg.yml b/hw/drivers/display/lvgl/pkg.yml
index 58c1a228c..56360660f 100644
--- a/hw/drivers/display/lvgl/pkg.yml
+++ b/hw/drivers/display/lvgl/pkg.yml
@@ -66,6 +66,8 @@ pkg.deps.LVGL_ILI9486:
- "@apache-mynewt-core/hw/drivers/display/lvgl/tft/ili9486"
pkg.deps.LVGL_ST7735S:
- "@apache-mynewt-core/hw/drivers/display/lvgl/tft/st7735s"
+pkg.deps.LVGL_ST7789:
+ - "@apache-mynewt-core/hw/drivers/display/lvgl/tft/st7789"
pkg.cflags:
- -DLV_CONF_INCLUDE_SIMPLE=1
diff --git a/hw/drivers/display/lvgl/syscfg.yml
b/hw/drivers/display/lvgl/syscfg.yml
index 9c7b3278b..67a4a5837 100644
--- a/hw/drivers/display/lvgl/syscfg.yml
+++ b/hw/drivers/display/lvgl/syscfg.yml
@@ -34,6 +34,9 @@ syscfg.defs:
LVGL_ST7735S:
description: Enable ST7735S display driver.
value:
+ LVGL_ST7789:
+ description: Enable ST7789 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/st7789/pkg.yml
b/hw/drivers/display/lvgl/tft/st7789/pkg.yml
new file mode 100644
index 000000000..46b0467c5
--- /dev/null
+++ b/hw/drivers/display/lvgl/tft/st7789/pkg.yml
@@ -0,0 +1,27 @@
+# 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/st7789
+pkg.description: LVGL display driver for ST7789
+pkg.author: "Apache Mynewt <d...@mynewt.apache.org>"
+pkg.homepage: "http://mynewt.apache.org/";
+pkg.keywords:
+
+pkg.cflags:
+
+pkg.deps:
diff --git a/hw/drivers/display/lvgl/tft/st7789/src/st7789.c
b/hw/drivers/display/lvgl/tft/st7789/src/st7789.c
new file mode 100644
index 000000000..54ddefef7
--- /dev/null
+++ b/hw/drivers/display/lvgl/tft/st7789/src/st7789.c
@@ -0,0 +1,298 @@
+/*
+ * 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 <bsp/bsp.h>
+#include <lv_glue.h>
+#include <hal/lv_hal_disp.h>
+#include <hal/hal_gpio.h>
+#include <lcd_itf.h>
+
+#define ST7789_NOP 0x00
+#define ST7789_SWRESET 0x01
+#define ST7789_RDDID 0x04
+#define ST7789_RDDST 0x09
+#define ST7789_RDDPM 0x0A
+#define ST7789_RDDDMADCTL 0x0B
+#define ST7789_RDDCOLMOD 0x0C
+#define ST7789_RDDIM 0x0D
+#define ST7789_RDDSM 0x0E
+#define ST7789_RDDSDR 0x0F
+
+#define ST7789_SLPIN 0x10
+#define ST7789_SLPOUT 0x11
+#define ST7789_PTLON 0x12
+#define ST7789_NORON 0x13
+
+#define ST7789_INVOFF 0x20
+#define ST7789_INVON 0x21
+#define ST7789_GAMSET 0x26
+#define ST7789_DISPOFF 0x28
+#define ST7789_DISPON 0x29
+#define ST7789_CASET 0x2A
+#define ST7789_RASET 0x2B
+#define ST7789_RAMWR 0x2C
+#define ST7789_RAMRD 0x2E
+
+#define ST7789_PTLAR 0x30
+#define ST7789_VSCRDEF 0x33
+#define ST7789_TEOFF 0x34
+#define ST7789_TEON 0x35
+#define ST7789_MADCTL 0x36
+#define ST7789_VSCRSADD 0x37
+#define ST7789_IDMOFF 0x38
+#define ST7789_IDMON 0x39
+#define ST7789_COLMOD 0x3A
+#define ST7789_RAMWRC 0x3C
+#define ST7789_RAMRDC 0x3E
+#define ST7789_TESCAN 0x44
+#define ST7789_RDTESCAN 0x45
+#define ST7789_WRDISBV 0x51
+#define ST7789_RDDISBV 0x52
+#define ST7789_WRCTRLD 0x53
+#define ST7789_RDCTRLD 0x54
+#define ST7789_WRCACE 0x55
+#define ST7789_RDCABC 0x56
+#define ST7789_WRCABCMB 0x5E
+#define ST7789_RDCABCMB 0x5F
+#define ST7789_RDABCSDR 0x68
+
+#define ST7789_RAMCTRL 0xB0
+#define ST7789_RGBCTRL 0xB1
+#define ST7789_PORCTRL 0xB2
+#define ST7789_FRCTRL1 0xB3
+
+#define ST7789_PARCTRL 0xB5
+
+#define ST7789_GCTRL 0xB7
+#define ST7789_GTADJ 0xB8
+#define ST7789_DGMEN 0xBA
+#define ST7789_VCOMS 0xBB
+#define ST7789_POWSAVE 0xBC
+#define ST7789_DLPOFFSAVE 0xBD
+
+#define ST7789_LCMCTRL 0xC0
+#define ST7789_IDSET 0xC1
+#define ST7789_VDVVRHEN 0xC2
+#define ST7789_VRHS 0xC3
+#define ST7789_VDVSET 0xC4
+#define ST7789_VCMOFSET 0xC5
+#define ST7789_FRCTR2 0xC6
+#define ST7789_CABCCTRL 0xC7
+#define ST7789_REGSEL1 0xC8
+
+#define ST7789_REGSEL2 0xCA
+
+#define ST7789_PWMFRSEL 0xCC
+
+#define ST7789_PWCTRL1 0xD0
+
+#define ST7789_VAPVANEN 0xD2
+
+#define ST7789_RDID1 0xDA
+#define ST7789_RDID2 0xDB
+#define ST7789_RDID3 0xDC
+#define ST7789_RDID4 0xDD
+#define ST7789_NVFCTR2 0xDE
+#define ST7789_CMD2EN 0xDF
+#define ST7789_PVGAMCTRL 0xE0
+#define ST7789_NVGAMCTRL 0xE1
+#define ST7789_DGMLUTR 0xE2
+#define ST7789_DGMLUTB 0xE2
+
+#define ST7789_GATECTRL 0xE4
+#define ST7789_SPI2EN 0xE7
+#define ST7789_PWCTRL2 0xE8
+#define ST7789_EQCTRL 0xE9
+
+#define ST7789_PROMCTRL 0xEC
+
+#define ST7789_PROMEN 0xFA
+
+#define ST7789_NVMSET 0xFC
+
+#define ST7789_PROMCAT 0xFE
+
+#define ST7789_MADCTL_MY 0x80
+#define ST7789_MADCTL_MX 0x40
+#define ST7789_MADCTL_MV 0x20
+#define ST7789_MADCTL_ML 0x10
+#define ST7789_MADCTL_RGB 0x00
+#define ST7789_MADCTL_BGR 0x08
+
+#define ST7789_HOR_RES MYNEWT_VAL(LVGL_DISPLAY_HORIZONTAL_RESOLUTION)
+#define ST7789_VER_RES MYNEWT_VAL(LVGL_DISPLAY_VERTICAL_RESOLUTION)
+
+void
+st7789_rotate(lv_disp_rot_t rotation)
+{
+ uint8_t madcmd[2] = { ST7789_MADCTL };
+
+ switch (rotation) {
+ case LV_DISP_ROT_270:
+ madcmd[1] |= ST7789_MADCTL_MV | ST7789_MADCTL_MY | ST7789_MADCTL_ML;
+ break;
+ case LV_DISP_ROT_180:
+ madcmd[1] |= ST7789_MADCTL_MX | ST7789_MADCTL_MY;
+ break;
+ case LV_DISP_ROT_90:
+ madcmd[1] |= ST7789_MADCTL_MX | ST7789_MADCTL_MV;
+ break;
+ case LV_DISP_ROT_NONE:
+ break;
+ }
+ lcd_ift_write_cmd(madcmd, 2);
+}
+
+LCD_SEQUENCE(init_cmds)
+ LCD_SEQUENCE_LCD_CS_INACTIVATE(),
+ LCD_SEQUENCE_LCD_DC_DATA(),
+ 1, ST7789_NOP,
+#if MYNEWT_VAL(LCD_RESET_PIN) < 0
+ 1, ST7789_SWRESET,
+ LCD_SEQUENCE_DELAY(5),
+#else
+ LCD_SEQUENCE_LCD_RESET_ACTIVATE(),
+ LCD_SEQUENCE_DELAY_US(10),
+ LCD_SEQUENCE_LCD_RESET_INACTIVATE(),
+ LCD_SEQUENCE_DELAY(5),
+#endif
+ 1, ST7789_SLPOUT,
+ 2, ST7789_COLMOD, 0x55,
+ 2, ST7789_MADCTL, 0x00,
+ 5, ST7789_CASET, 0x00, 0x00, 0x00, 0xEF,
+ 5, ST7789_RASET, 0x00, 0x00, 0x01, 0x3F,
+#if MYNEWT_VAL(ST7789_INVERSION_ON)
+ 1, ST7789_INVON,
+#else
+ 1, ST7789_INVOFF,
+#endif
+ 1, ST7789_NORON,
+ 1, ST7789_DISPON,
+LCD_SEQUENCE_END
+
+/**
+ *
+ * Initialize the ST7789 display controller
+ */
+void
+st7789_init(lv_disp_drv_t *driver)
+{
+ lcd_command_sequence(init_cmds);
+}
+
+static void
+st7789_drv_update(struct _lv_disp_drv_t *drv)
+{
+ st7789_rotate(drv->rotated);
+}
+
+/* The ST7789 display controller can drive up to 320*240 displays, when using
a 240*240 or 240*135
+ * displays there's a gap of 80px or 40/52/53px respectively. 52px or 53x
offset depends on display orientation.
+ * We need to edit the coordinates to take into account those gaps, this is
not necessary in all orientations. */
+void
+st7789_flush(lv_disp_drv_t *drv, const lv_area_t *area, lv_color_t *color_p)
+{
+ int32_t y;
+ lv_coord_t w;
+ uint8_t cmd[5];
+
+ /* Truncate the area to the screen */
+ int32_t offsetx1 = area->x1 < 0 ? 0 : area->x1;
+ int32_t offsety1 = area->y1 < 0 ? 0 : area->y1;
+ int32_t offsetx2 = area->x2 >= ST7789_HOR_RES ? ST7789_HOR_RES - 1 :
area->x2;
+ int32_t offsety2 = area->y2 >= ST7789_VER_RES ? ST7789_VER_RES - 1 :
area->y2;
+
+#if (CONFIG_LV_TFT_DISPLAY_OFFSETS)
+ offsetx1 += CONFIG_LV_TFT_DISPLAY_X_OFFSET;
+ offsetx2 += CONFIG_LV_TFT_DISPLAY_X_OFFSET;
+ offsety1 += CONFIG_LV_TFT_DISPLAY_Y_OFFSET;
+ offsety2 += CONFIG_LV_TFT_DISPLAY_Y_OFFSET;
+
+#elif (ST7789_HOR_RES == 240) && (ST7789_VER_RES == 240)
+#if (CONFIG_LV_DISPLAY_ORIENTATION_PORTRAIT)
+ offsetx1 += 80;
+ offsetx2 += 80;
+#elif (CONFIG_LV_DISPLAY_ORIENTATION_LANDSCAPE_INVERTED)
+ offsety1 += 80;
+ offsety2 += 80;
+#endif
+#elif (LV_HOR_RES_MAX == 240) && (LV_VER_RES_MAX == 135)
+#if (CONFIG_LV_DISPLAY_ORIENTATION_PORTRAIT) || \
+ (CONFIG_LV_DISPLAY_ORIENTATION_PORTRAIT_INVERTED)
+ offsetx1 += 40;
+ offsetx2 += 40;
+ offsety1 += 53;
+ offsety2 += 53;
+#endif
+#elif (LV_HOR_RES_MAX == 135) && (LV_VER_RES_MAX == 240)
+#if (CONFIG_LV_DISPLAY_ORIENTATION_LANDSCAPE) || \
+ (CONFIG_LV_DISPLAY_ORIENTATION_LANDSCAPE_INVERTED)
+ offsetx1 += 52;
+ offsetx2 += 52;
+ offsety1 += 40;
+ offsety2 += 40;
+#endif
+#endif
+
+ w = lv_area_get_width(area);
+
+ /* Column addresses */
+ cmd[0] = ST7789_CASET;
+ cmd[1] = (uint8_t)(offsetx1 >> 8);
+ cmd[2] = (uint8_t)offsetx1;
+ cmd[3] = (uint8_t)(offsetx2 >> 8);
+ cmd[4] = (uint8_t)offsetx2;
+ lcd_ift_write_cmd(cmd, 5);
+
+ /* Page address */
+ cmd[0] = ST7789_RASET;
+ cmd[1] = (uint8_t)(offsety1 >> 8);
+ cmd[2] = (uint8_t)offsety1;
+ cmd[3] = (uint8_t)(offsety2 >> 8);
+ cmd[4] = (uint8_t)offsety2;
+ lcd_ift_write_cmd(cmd, 5);
+
+ cmd[0] = ST7789_RAMWR;
+ lcd_ift_write_cmd(cmd, 1);
+
+ for (y = offsety1; y <= offsety2; 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 = st7789_flush;
+ driver->drv_update_cb = st7789_drv_update;
+ driver->hor_res = ST7789_HOR_RES;
+ driver->ver_res = ST7789_VER_RES;
+
+ st7789_init(driver);
+}
diff --git a/hw/drivers/display/lvgl/tft/st7789/syscfg.yml
b/hw/drivers/display/lvgl/tft/st7789/syscfg.yml
new file mode 100644
index 000000000..d37a5b817
--- /dev/null
+++ b/hw/drivers/display/lvgl/tft/st7789/syscfg.yml
@@ -0,0 +1,26 @@
+# 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:
+ ST7789_INVERSION_ON:
+ description: ST7789 enable display inversion.
+ value: 1
+
+syscfg.vals:
+ LVGL_DISPLAY_HORIZONTAL_RESOLUTION: 240
+ LVGL_DISPLAY_VERTICAL_RESOLUTION: 320
