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add waveshare esp32 (s3 and c6) 1.9 ips display examples #478

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44 changes: 44 additions & 0 deletions examples/README.md
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# Examples

## Waveshare esp32 s3 1.9" IPS kit

Example [waveshare_esp32s3_1.9.py](./waveshare_esp32s3_1.9.py) for Waveshare kit as described [here](https://www.waveshare.com/product/arduino/boards-kits/esp32-s3/esp32-s3-lcd-1.9.htm).

### building and flashing

Assuming you have lvgl_micropython repo checked out and an esp-idf environment in your path:

```bash
python3 make.py esp32 clean BOARD=ESP32_GENERIC_S3 BOARD_VARIANT=SPIRAM_OCT DISPLAY=st7789 INDEV=cst816s
esptool.py erase_flash
cd lib/micropython/ports/esp32
esptool.py --chip esp32s3 -b 460800 --before default_reset write_flash --flash_mode dio --flash_size 8MB --flash_freq 80m 0x0 build-ESP32_GENERIC_S3-SPIRAM_OCT/bootloader/bootloader.bin 0x8000 build-ESP32_GENERIC_S3-SPIRAM_OCT/partition_table/partition-table.bin 0x10000 build-ESP32_GENERIC_S3-SPIRAM_OCT/micropython.bin
```

### copy example to device

Copy example file to device using mpremote (`pip install mpremote` to install)
```bash
mpremote cp waveshare_esp32s3_1.9.py :main.py
```


## Waveshare esp32 c6 1.9" IPS kit

Example [waveshare_esp32c6_1.9.py](./waveshare_esp32c6_1.9.py) for Waveshare kit as described [here](https://www.waveshare.com/product/arduino/boards-kits/esp32-c6/esp32-c6-lcd-1.9.htm).

### building and flashing

Assuming you have lvgl_micropython repo checked out and an esp-idf environment in your path:

```bash
python3 make.py esp32 clean BOARD=ESP32_GENERIC_C6 DISPLAY=st7789 INDEV=cst816s
cd lib/micropython/ports/esp32
esptool.py erase_flash
esptool.py --chip esp32c6 -b 460800 --before default_reset write_flash --flash_mode dio --flash_size 4MB --flash_freq 80m 0x0 build-ESP32_GENERIC_C6/bootloader/bootloader.bin 0x8000 build-ESP32_GENERIC_C6/partition_table/partition-table.bin 0x10000 build-ESP32_GENERIC_C6/micropython.bin
```

### copy example to device
```bash
mpremote cp waveshare_esp32c6_1.9.py :main.py
```
128 changes: 128 additions & 0 deletions examples/waveshare_esp32c6_1.9.py
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import time

import lcd_bus
import machine
from micropython import const


# display settings
_WIDTH = const(170)
_HEIGHT = const(320)
_BL = const(15)
_RST = const(14)
_DC = const(6)

_MOSI = const(4)
_SCK = const(5)
_HOST = const(1) # SPI2

_LCD_CS = const(7)
_LCD_FREQ = const(80_000_000)

# touch settings
_TOUCH_CS = const(18)
_TOUCH_FREQ = const(500_000)
_TOUCH_SDA = const(18)
_TOUCH_SCL = const(8)
_TOUCH_RST = const(21)

spi_bus = machine.SPI.Bus(
host=_HOST,
mosi=_MOSI,
sck=_SCK
)

display_bus = lcd_bus.SPIBus(
spi_bus=spi_bus,
freq=_LCD_FREQ,
dc=_DC,
cs=_LCD_CS,
)

import st7789 # NOQA
import lvgl as lv # NOQA

lv.init()

display = st7789.ST7789(
data_bus=display_bus,
display_width=_WIDTH,
display_height=_HEIGHT,
backlight_pin=_BL,
reset_pin=_RST,
reset_state=st7789.STATE_LOW,
backlight_on_state=st7789.STATE_PWM,
color_space=lv.COLOR_FORMAT.RGB565,
color_byte_order=st7789.BYTE_ORDER_RGB,
rgb565_byte_swap=True,
offset_x=35
)

display.set_power(True)
display.init()
display.set_backlight(10)

scrn = lv.screen_active()
scrn.set_style_bg_color(lv.color_hex(0x000000), 0)

import i2c # NOQA
import cst816s # NOQA
import task_handler # NOQA

i2c_bus = i2c.I2C.Bus(host=0,
scl=_TOUCH_SCL,
sda=_TOUCH_SDA,
freq=_TOUCH_FREQ,
use_locks=False)

touch_dev = i2c.I2C.Device(bus=i2c_bus,
dev_id=cst816s.I2C_ADDR,
reg_bits=cst816s.BITS)


indev = cst816s.CST816S(touch_dev, reset_pin=_TOUCH_RST)

eventnum = 0
numpressed = 0

labelhw = lv.label(scrn)
labelhw.set_text('HELLO WORLD!')
labelhw.align(lv.ALIGN.CENTER, 0, -100)

btn1 = lv.button(scrn)
btn1.set_size(90, 30)

labelbtn1 = lv.label(btn1)
labelbtn1.set_text('----')

btn1.align_to(labelhw, lv.ALIGN.OUT_BOTTOM_MID, 0, 10)

btn2 = lv.button(scrn)
btn2.set_size(90, 30)

labelbtn2 = lv.label(btn2)
labelbtn2.set_text('press me')
btn2.align_to(btn1, lv.ALIGN.OUT_BOTTOM_MID, 0, 10)

def btn2event(event):
global numpressed
numpressed += 1
labelbtn2.set_text(f'pressed {numpressed}')

btn2.add_event_cb(btn2event, lv.EVENT.PRESSED, None)

def time_cb(t):
global eventnum
eventnum += 1
labelbtn1.set_text(f'count {eventnum}')

timer = lv.timer_create(time_cb,
1000,
None)
timer.set_repeat_count(-1)


while True:
lv.tick_inc(5)
lv.timer_handler_run_in_period(5)
time.sleep_ms(5) # Delay for a short perio
127 changes: 127 additions & 0 deletions examples/waveshare_esp32s3_1.9.py
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import time

import lcd_bus
import machine
from micropython import const


# display settings
_WIDTH = const(170)
_HEIGHT = const(320)
_BL = const(14)
_RST = const(9)
_DC = const(11)

_MOSI = const(13)
_SCK = const(10)
_HOST = const(1) # SPI2

_LCD_CS = const(12)
_LCD_FREQ = const(80_000_000)

# touch settings
_TOUCH_CS = const(18)
_TOUCH_FREQ = const(500_000)
_TOUCH_SDA = const(47)
_TOUCH_SCL = const(48)
_TOUCH_RST = const(17)

spi_bus = machine.SPI.Bus(
host=_HOST,
mosi=_MOSI,
sck=_SCK
)

display_bus = lcd_bus.SPIBus(
spi_bus=spi_bus,
freq=_LCD_FREQ,
dc=_DC,
cs=_LCD_CS,
)

import st7789 # NOQA
import lvgl as lv # NOQA

lv.init()

display = st7789.ST7789(
data_bus=display_bus,
display_width=_WIDTH,
display_height=_HEIGHT,
backlight_pin=_BL,
reset_pin=_RST,
reset_state=st7789.STATE_LOW,
backlight_on_state=st7789.STATE_PWM,
color_space=lv.COLOR_FORMAT.RGB565,
color_byte_order=st7789.BYTE_ORDER_RGB,
rgb565_byte_swap=True,
offset_x=35
)

display.set_power(True)
display.init()
display.set_backlight(10)

scrn = lv.screen_active()
scrn.set_style_bg_color(lv.color_hex(0x000000), 0)

import i2c # NOQA
import cst816s # NOQA
import task_handler # NOQA

i2c_bus = i2c.I2C.Bus(host=0,
scl=_TOUCH_SCL,
sda=_TOUCH_SDA,
freq=_TOUCH_FREQ,
use_locks=False)

touch_dev = i2c.I2C.Device(bus=i2c_bus,
dev_id=cst816s.I2C_ADDR,
reg_bits=cst816s.BITS)

indev = cst816s.CST816S(touch_dev, reset_pin=_TOUCH_RST)

eventnum = 0
numpressed = 0

labelhw = lv.label(scrn)
labelhw.set_text('HELLO WORLD!')
labelhw.align(lv.ALIGN.CENTER, 0, -100)

btn1 = lv.button(scrn)
btn1.set_size(90, 30)

labelbtn1 = lv.label(btn1)
labelbtn1.set_text('----')

btn1.align_to(labelhw, lv.ALIGN.OUT_BOTTOM_MID, 0, 10)

btn2 = lv.button(scrn)
btn2.set_size(90, 30)

labelbtn2 = lv.label(btn2)
labelbtn2.set_text('press me')
btn2.align_to(btn1, lv.ALIGN.OUT_BOTTOM_MID, 0, 10)

def btn2event(event):
global numpressed
numpressed += 1
labelbtn2.set_text(f'pressed {numpressed}')

btn2.add_event_cb(btn2event, lv.EVENT.PRESSED, None)

def time_cb(t):
global eventnum
eventnum += 1
labelbtn1.set_text(f'count {eventnum}')

timer = lv.timer_create(time_cb,
1000,
None)
timer.set_repeat_count(-1)


while True:
lv.tick_inc(5)
lv.timer_handler_run_in_period(5)
time.sleep_ms(5) # Delay for a short perio