Easy Python開發: I2C串列通訊實作Part3 – HY2613 LCD顯示器驅動控制器

Easy Python亮度計 https://www.youtube.com/watch?v=CB3-o0ORr24

HY2613_Light.py

from micropython import const

from machine import KEY #獲取按鍵KEY庫

from machine import ADC

from machine import I2C, PIN

import utime

import LcdTable

import HY2613_Reg

#import framebuf

light = ADC(4)

i2c_1 = None

addrHY2613 = const(0x3E) # HY2613 Device ID address for slave target

temp = []

DisplayBuffer = bytearray(9)

NUM_DIGITS = 6

def Init_Display():

# Inital the LCD Drive

temp.clear()

temp.append(0xEA) #(ICSET|SWRst|OscModeInt)

temp.append(0xBF) #(DISCTL|PoMode3|FrInv|PoHigh)

temp.append(0x00) #(ADSET)

i2c_1.write(1,addrHY2613,temp,4,1)

# Open the LCD Drive

temp.clear()

temp.append(0xBF) #DISCTL|PoMode3|FrInv|PoHigh

temp.append(0xF0) #BLKCTL

temp.append(0xFC) #PIXCTL

temp.append(0xC8) #MODE_SET|Dis_ON

i2c_1.write(1,addrHY2613,temp,4,1)

# RAM Data Send to LCD

def RAM2LCD(Buffer, length):

temp.clear()

temp.append(0xBF) #DISCTL|PoMode3|FrInv|PoHigh

temp.append(0xF0) #BLKCTL

temp.append(0xFC) #PIXCTL

temp.append(0xC8) #MODE_SET|Dis_ON

temp.append(0x00) #ADSET

for i in range(0,length) :

data = Buffer[i]

temp.append(data)

i2c_1.write(1,addrHY2613,temp,length+5,1)

def FullLCDframe(data):

temp.clear()

temp.append(0xBF) #DISCTL|PoMode3|FrInv|PoHigh

temp.append(0xF0) #BLKCTL

temp.append(0xFC) #PIXCTL

temp.append(0xC8) #MODE_SET|Dis_ON

temp.append(0x00) #ADSET

for i in range(0,18) :

temp.append(data)

i2c_1.write(1,addrHY2613,temp,23,1)

def DisplayHYcon():

DisplayBuffer[0]=0x00

DisplayBuffer[1]=LcdTable.char_map.get('h')

DisplayBuffer[2]=LcdTable.char_map.get('y')

DisplayBuffer[3]=LcdTable.char_map.get('c')

DisplayBuffer[4]=LcdTable.char_map.get('o')

DisplayBuffer[5]=LcdTable.char_map.get('n')

DisplayBuffer[6]=0x00

DisplayBuffer[7]=0x00

DisplayBuffer[8]=0x00

RAM2LCD(DisplayBuffer,9)

def DisplayEASYPY():

DisplayBuffer[0]=LcdTable.char_map.get('e')

DisplayBuffer[1]=LcdTable.char_map.get('a')

DisplayBuffer[2]=LcdTable.char_map.get('s')

DisplayBuffer[3]=LcdTable.char_map.get('y')

DisplayBuffer[4]=LcdTable.char_map.get('p')

DisplayBuffer[5]=LcdTable.char_map.get('y')

DisplayBuffer[6]=0x00

DisplayBuffer[7]=0x00

DisplayBuffer[8]=0x00

RAM2LCD(DisplayBuffer,9)

def DisplayData(inValue):

if len(str(inValue)) > NUM_DIGITS:

raise OverflowError('{0} too large for display'.format(inValue))

for i in range(5,-1,-1) :

outValue=inValue%10

inValue=inValue//10

value = LcdTable.char_map.get(str(outValue))

DisplayBuffer[i]=value

DisplayBuffer[6]=0x00

DisplayBuffer[7]=0x00

DisplayBuffer[8]=0x00

RAM2LCD(DisplayBuffer,9)

# Start Function

if __name__ == '__main__':

#temp = bytearray(5)

# Declaration I2C

i2c_1 = I2C(1,100000) #創建頻率為100kHz的I2C外設,選擇要使用的外設I2C 1

Init_Display()

FullLCDframe(0xFF)

utime.sleep_ms(1000)

FullLCDframe(0x00)

DisplayEASYPY()

utime.sleep_ms(2000)

C = KEY(KEY.KEYC) #創建按鍵C

try:

while True:

L = light.read()

DisplayData(L)

utime.sleep_ms(400)

if C.value() == 0: #如果按鍵C被按下

break

finally:

light.deinit()

i2c_1.deinit()

HY2613_Reg.py

#******************************************************************************/

#* Filename:HY2613_Reg.py */

#* HY2613 Register Definitions */

#******************************************************************************/

from micropython import const

#define HY2613C

addrHY2613 = const(0x3E) # HY2613 Device ID address for slave target

#Register List

MODE_SET = const(0xC0) #Mode Set

Dis_ON = const(0x08) #Display ON

Bias3 = const(0x00) #1/3 Bias

Bias2 = const(0x04) #1/2 Bias

ADSET = const(0x00) #Address set

DISCTL = const(0xA0) #Display control

#Power save mode FR

PoNormalF = const(0x00) #Normal mode

PoMode1 = const(0x08) #Power save mode1

PoMode2 = const(0x10) #Power save mode2

PoMode3 = const(0x18) #Power save mode3

LiInv = const(0x00) #LINE Inversion

FrInv = const(0x04) #FRAME Inversion

#Power save mode SR

PoSvMode1 = const(0x00) #Power save mode 1

PoSvMode2 = const(0x01) #Power save mode 2

PoNormalS = const(0x02) #Normal

PoHigh = const(0x03) #High Power Mode

ICSET = const(0xE8) #Set IC Operation

SWRst = const(0x02) #Software Reset

OscModeInt = const(0x00) #Internal Oscillator

OscModeExt = const(0x01) #External Oscillator

BLKCTL = const(0xF0) #Blink control

#Flash Mode Setting

FlashOff = const(0x00) #Off Flash Mode

Flash0p5 = const(0x01) #Flash 0.5HZ

Flash1 = const(0x02) #Flash 1HZ

Flash2 = const(0x03) #Flash 2HZ

PIXCTL = const(0xFC) #ALL pixel control

PixNormal = const(0x00)

PixAllOff = const(0x01) #All pixels OFF：取消與DDRAM 的內容無關的全屏顯示。

PixAllOn = const(0x02) #All pixels ON：點亮與DDRAM 的內容無關的全屏顯示。

#PixAllOff = const(0x03

EXCTL = const(0xE0) #Extend Control

LightOff = const(0x00) #LED背光 OFF:不啟用LED背光功能

LightOn = const(0x04) #LED背光 ON:啟用LED背光功能，此時SEG32~SEG35 自動切換成LED驅動電路

RTCOff = const(0x00) #RTC OFF:外部32KHz時鐘輸入。

RTCOn = const(0x02) #RTC ON:使用外接震盪器32.768KHz。

SROff = const(0x00) #SROFF:不啟用特殊暫存器功能

SROn = const(0x01) #SRON:啟用特殊暫存器功能

#Extend Control Register

VLCD_CTVR = const(0x00) #

#VLCD[3:0] Internal Charge pump output control register can configure VLCD output voltage.

VLCD4p5 = const(0x00) #0000 4.5V

VLCD4p4 = const(0x10) #0001 4.4V

VLCD4p3 = const(0x20) #0010 4.3V

VLCD4p2 = const(0x30) #0011 4.2V

VLCD4p1 = const(0x40) #0100 4.1V

VLCD4p0 = const(0x50) #0101 4.0V

VLCD3p9 = const(0x60) #0110 3.9V

VLCD3p8 = const(0x70) #0111 3.8V

VLCD3p7 = const(0x80) #1000 3.7V

VLCD3p6 = const(0x90) #1001 3.6V

VLCD3p5 = const(0xA0) #1010 3.5V

VLCD3p4 = const(0xB0) #1011 3.4V

VLCD3p3 = const(0xC0) #1100 3.3V

VLCD3p2 = const(0xD0) #1101 3.2V

VLCD3p1 = const(0xE0) #1110 3.1V

VLCD3p0 = const(0xF0) #1111 3.0V

#CTVR[3:0] Internal constrast control register can adjust LCD display contrast for the best display effect.

CTVR00 = const(0x00) #0000 1*VLCD

CTVR01 = const(0x01) #0001 0.957*VLCD

CTVR02 = const(0x02) #0010 0.918*VLCD

CTVR03 = const(0x03) #0011 0.882*VLCD

CTVR04 = const(0x04) #0100 0.849*VLCD

CTVR05 = const(0x05) #0101 0.818*VLCD

CTVR06 = const(0x06) #0110 0.789*VLCD

CTVR07 = const(0x07) #0111 0.763*VLCD

CTVR08 = const(0x08) #1000 0.738*VLCD

CTVR09 = const(0x09) #1001 0.714*VLCD

CTVR10 = const(0x0A) #1010 0.692*VLCD

CTVR11 = const(0x0B) #1011 0.672*VLCD

CTVR12 = const(0x0C) #1100 0.652*VLCD

CTVR13 = const(0x0D) #1101 0.634*VLCD

CTVR14 = const(0x0E) #1110 0.616*VLCD

CTVR15 = const(0x0F) #1111 0.600*VLCD

LCDM = const(0x02) #

ENBUF = const(0x80) #VLCD Buffer enable bit

#VLCDEN[1:0] VLCD power drive controller can select VLCD disposition to satisfy different applications.

VLCDEN00 = const(0x00) #00 VLCD連接至VSS,採用Low Side連接方式

VLCDEN01 = const(0x01) #01 VLCD連接至VDD,採用High Side連接方式

VLCDEN02 = const(0x02) #10 VLCD電壓由內部倍壓電路提供,使用內部倍壓電路，即採用High Side連接方式

VLCDEN03 = const(0x03) #11 VLCD電壓由內部倍壓電路提供,使用內部倍壓電路，即採用High Side連接方式

TM = const(0x04) #

IRQM = const(0x80)

#TMD[2:0] Counter frequency divider control register, which can configure counter output frequency.

TMD_OSCd2 = const(0x00) #000 OSC_CK÷2

TMD_OSCd4 = const(0x10) #001 OSC_CK÷4

TMD_OSCd8 = const(0x20) #010 OSC_CK÷8

TMD_OSCd16 = const(0x30) #011 OSC_CK÷16

TMD_OSCd32 = const(0x40) #100 OSC_CK÷32

TMD_OSCd64 = const(0x50) #101 OSC_CK÷64

TMD_OSCd128 = const(0x60) #110 OSC_CK÷128

TMD_OSCd256 = const(0x70) #111 OSC_CK÷256

#TMEN[1:0] Counter enable and mode control register

TMEN0 = const(0x00) #00 禁用計數器

TMEN1 = const(0x02) #01 致能計數器並設置為Timer Base輸出

TMEN2 = const(0x04) #10 致能計數器並設置為NMI 脈衝高電平輸出

TMEN3 = const(0x06) #11 致能計數器並設置為NMI 脈衝低電平輸出

#TMCR:Counter zero control register.

TMCR = const(0x00) #0:Normal counting status

#1:Counter Zero

LcdTable.py

#from micropython import const

LCD_COM3H = 0x01

LCD_COM2H = 0x02

LCD_COM1H = 0x04

LCD_COM0H = 0x08

LCD_COM3L = 0x10

LCD_COM2L = 0x20

LCD_COM1L = 0x40

LCD_COM0L = 0x80

seg_h = LCD_COM3H

seg_c = LCD_COM2H

seg_b = LCD_COM1H

seg_a = LCD_COM0H

seg_d = LCD_COM3L

seg_e = LCD_COM2L

seg_g = LCD_COM1L

seg_f = LCD_COM0L

char_map = {

'0': seg_a+seg_b+seg_c+seg_d+seg_e+seg_f, # char "0" 0x00

'1': seg_b+seg_c, # char "1" 0x01

'2': seg_a+seg_b+seg_d+seg_e+seg_g, # char "2" 0x02

'3': seg_a+seg_b+seg_c+seg_d+seg_g, # char "3" 0x03

'4': seg_b+seg_c+seg_f+seg_g, # char "4" 0x04

'5': seg_a+seg_c+seg_d+seg_f+seg_g, # char "5" 0x05

'6': seg_a+seg_c+seg_d+seg_e+seg_f+seg_g, # char "6" 0x06

'7': seg_a+seg_b+seg_c+seg_f, # char "7" 0x07

'8': seg_a+seg_b+seg_c+seg_d+seg_e+seg_f+seg_g, # char "8" 0x08

'9': seg_a+seg_b+seg_c+seg_d+seg_f+seg_g, # char "9" 0x09

'a': seg_a+seg_b+seg_c+seg_e+seg_f+seg_g, # char "A" 0x0a

'b': seg_c+seg_d+seg_e+seg_f+seg_g, # char "b" 0x0b

'c': seg_a+seg_d+seg_e+seg_f, # char "C" 0x0c

'd': seg_b+seg_c+seg_d+seg_e+seg_g, # char "d" 0x0d

'e': seg_a+seg_d+seg_e+seg_f+seg_g, # char "E" 0x0e

'f': seg_a+seg_e+seg_f+seg_g, # char "F" 0x0f

'g': 0x00,

'h': seg_b+seg_c+seg_e+seg_f+seg_g, # char "H" 0x10

'i': seg_c, # char "i" 0x11

'j': seg_b+seg_c+seg_d+seg_g, # char "J" 0x12

'k': 0x00,

'l': seg_d+seg_e+seg_f, # char "L" 0x13

'm': 0x00,

'n': seg_c+seg_e+seg_g, # char "n" 0x14

'o': seg_c+seg_d+seg_e+seg_g, # char "o" 0x15

'p': seg_a+seg_b+seg_e+seg_f+seg_g, # char "P" 0x16

'q': seg_a+seg_b+seg_c+seg_f+seg_g, # char "q" 0x17

'r': seg_e+seg_g, # char "r" 0x18

's': seg_a+seg_c+seg_d+seg_f+seg_g, # char "S" 0x05

't': seg_d+seg_e+seg_f+seg_g, # char "t" 0x19

'u': seg_c+seg_e+seg_d, # char "u" 0x1a

'v': 0x00,

'w': 0x00,

'x': 0x00,

'y': seg_b+seg_c+seg_d+seg_f+seg_g, # char "y" 0x1b

'z': 0x00

}

Easy Python開發

2020年8月1日星期六

I2C串列通訊實作Part3 – HY2613 LCD顯示器驅動控制器

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2020年8月1日 星期六

I2C串列通訊實作Part3 – HY2613 LCD顯示器驅動控制器

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張貼留言

2020年8月1日星期六