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micropython-st7789py-lcd-driver
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Update st7789py_parallel.py

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PauloCardosoC 2023-02-01 15:16:34 -03:00 zatwierdzone przez GitHub
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lib/st7789py_parallel.py
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@ -1,4 +1,10 @@
# Extended Class to use TFT ST7789 in parallel bus # Extended Class to use TFT ST7789 in parallel bus
#Example of use:
# import st7789py_parallel
# s=st7789py_parallel.ST7789_PARALLEL(320,240,0,None,None,4,22,5,12)
# s.fill(0xff)
from micropython import const from micropython import const
from utime import sleep_ms, sleep_us from utime import sleep_ms, sleep_us
@ -7,21 +13,21 @@ from machine import Pin
## Pins (wiring) example and description ## Pins (wiring) example and description
#ST7789 STM32F407VGT6 #ST7789 STM32F407VGT6
#LCD_RST <---> 3.3V #LCD reset control pin, active low, used to force a hardware reset of the board, if unused need be plug on 3.3V #LCD_RST <---> 3.3V #LCD reset control pin, active low, used to force a hardware reset of the board, if unused need be plug on 3.3V
#LCD_CS <---> GND #LCD chip select control pin, active low, if used only one LCD can be plug on GND #LCD_CS <---> GND #LCD chip select control pin, active low, if unused only one LCD can be used, plug on GND
#LCD_RS <---> PD13 #LCD register command / data selection control pin, comand active low, data active high #LCD_RS <---> PD22 #LCD register command / data selection control pin, comand active low, data active high
#LCD_WR <---> PD5 #LCD write control pin, active low #LCD_WR <---> PD4 #LCD write control pin, active low
#LCD_RD <---> PD4 #LCD read control pin, active low #LCD_RD <---> PD5 #LCD read control pin, active low, if unused plug on 3.3V
#GND <---> GND #GND <---> GND
#5V <---> 5V #5V <---> 5V
#LCD_D2 <---> PD0 #LCD_D2 <---> pin-14
#LCD_D3 <---> PD1 #LCD_D3 <---> pin-15
#LCD_D4 <---> PE7 #LCD_D4 <---> pin-16
#LCD_D5 <---> PE8 #LCD_D5 <---> pin-17
#LCD_D6 <---> PE9 #LCD_D6 <---> pin-18
#LCD_D7 <---> PE10 #LCD_D7 <---> pin-19
#LCD_D0 <---> PD14 #LCD_D0 <---> pin-12
#LCD_D1 <---> PD15 #LCD_D1 <---> pin-13
## DEFINE PINS CONST ## DEFINE PINS CONST
_LCD_RST = const(None) #LCD reset control pin, active low _LCD_RST = const(None) #LCD reset control pin, active low
@ -66,6 +72,8 @@ def _encode_pixel(color):
"""Encode a pixel color into bytes.""" """Encode a pixel color into bytes."""
return struct.pack(_ENCODE_PIXEL, color) return struct.pack(_ENCODE_PIXEL, color)
class ST7789_PARALLEL(ST7789): class ST7789_PARALLEL(ST7789):
def __init__(self, width:(int) = 320, height:(int) = 240, rotation=0, def __init__(self, width:(int) = 320, height:(int) = 240, rotation=0,
rst_pin:(int,None) = _LCD_RST, # LCD reset control pin rst_pin:(int,None) = _LCD_RST, # LCD reset control pin