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Updated with ST7735 command sequence.

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This commit is contained in:
Clement Skau
2017-03-05 14:25:56 +09:00
parent fc5c279891
commit 5b3c863b27
1 changed files with 139 additions and 104 deletions
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243
Adafruit_ILI9341/ILI9341.py
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@@ -29,9 +29,13 @@ import Adafruit_GPIO as GPIO
import Adafruit_GPIO.SPI as SPI
# SPI_CLOCK_HZ = 64000000 # 64 MHz
SPI_CLOCK_HZ = 4000000 # 4 MHz
# Constants for interacting with display registers.
ILI9341_TFTWIDTH = 240
ILI9341_TFTHEIGHT = 320
ILI9341_TFTWIDTH = 128
ILI9341_TFTHEIGHT = 160
ILI9341_NOP = 0x00
ILI9341_SWRESET = 0x01
@@ -43,32 +47,36 @@ ILI9341_SLPOUT = 0x11
ILI9341_PTLON = 0x12
ILI9341_NORON = 0x13
ILI9341_RDMODE = 0x0A
ILI9341_RDMADCTL = 0x0B
ILI9341_RDPIXFMT = 0x0C
ILI9341_RDIMGFMT = 0x0A
ILI9341_RDSELFDIAG = 0x0F
# ILI9341_RDMODE = 0x0A
# ILI9341_RDMADCTL = 0x0B
# ILI9341_RDPIXFMT = 0x0C
# ILI9341_RDIMGFMT = 0x0A
# ILI9341_RDSELFDIAG = 0x0F
ILI9341_INVOFF = 0x20
ILI9341_INVON = 0x21
ILI9341_GAMMASET = 0x26
# ILI9341_GAMMASET = 0x26
ILI9341_DISPOFF = 0x28
ILI9341_DISPON = 0x29
ILI9341_CASET = 0x2A
ILI9341_PASET = 0x2B
# ILI9341_PASET = 0x2B
ILI9341_RASET = 0x2B
ILI9341_RAMWR = 0x2C
ILI9341_RAMRD = 0x2E
ILI9341_PTLAR = 0x30
ILI9341_MADCTL = 0x36
ILI9341_PIXFMT = 0x3A
# ILI9341_PIXFMT = 0x3A
ST7735_COLMOD = 0x3A
ILI9341_FRMCTR1 = 0xB1
ILI9341_FRMCTR2 = 0xB2
ILI9341_FRMCTR3 = 0xB3
ILI9341_INVCTR = 0xB4
ILI9341_DFUNCTR = 0xB6
# ILI9341_DFUNCTR = 0xB6
ST7735_DISSET5 = 0xB6
ILI9341_PWCTR1 = 0xC0
ILI9341_PWCTR2 = 0xC1
@@ -76,7 +84,7 @@ ILI9341_PWCTR3 = 0xC2
ILI9341_PWCTR4 = 0xC3
ILI9341_PWCTR5 = 0xC4
ILI9341_VMCTR1 = 0xC5
ILI9341_VMCTR2 = 0xC7
# ILI9341_VMCTR2 = 0xC7
ILI9341_RDID1 = 0xDA
ILI9341_RDID2 = 0xDB
@@ -88,14 +96,15 @@ ILI9341_GMCTRN1 = 0xE1
ILI9341_PWCTR6 = 0xFC
ILI9341_BLACK = 0x0000
ILI9341_BLUE = 0x001F
ILI9341_RED = 0xF800
ILI9341_GREEN = 0x07E0
ILI9341_CYAN = 0x07FF
ILI9341_MAGENTA = 0xF81F
ILI9341_YELLOW = 0xFFE0
ILI9341_WHITE = 0xFFFF
# Colours for convenience
ILI9341_BLACK = 0x0000 # 0b 00000 000000 00000
ILI9341_BLUE = 0x001F # 0b 00000 000000 11111
ILI9341_GREEN = 0x07E0 # 0b 00000 111111 00000
ILI9341_RED = 0xF800 # 0b 11111 000000 00000
ILI9341_CYAN = 0x07FF # 0b 00000 111111 11111
ILI9341_MAGENTA = 0xF81F # 0b 11111 000000 11111
ILI9341_YELLOW = 0xFFE0 # 0b 11111 111111 00000
ILI9341_WHITE = 0xFFFF # 0b 11111 111111 11111
def color565(r, g, b):
@@ -106,8 +115,8 @@ def color565(r, g, b):
def image_to_data(image):
"""Generator function to convert a PIL image to 16-bit 565 RGB bytes."""
#NumPy is much faster at doing this. NumPy code provided by:
#Keith (https://www.blogger.com/profile/02555547344016007163)
# NumPy is much faster at doing this. NumPy code provided by:
# Keith (https://www.blogger.com/profile/02555547344016007163)
pb = np.array(image.convert('RGB')).astype('uint16')
color = ((pb[:,:,0] & 0xF8) << 8) | ((pb[:,:,1] & 0xFC) << 3) | (pb[:,:,2] >> 3)
return np.dstack(((color >> 8) & 0xFF, color & 0xFF)).flatten().tolist()
@@ -138,7 +147,7 @@ class ILI9341(object):
# Set SPI to mode 0, MSB first.
spi.set_mode(0)
spi.set_bit_order(SPI.MSBFIRST)
spi.set_clock_hz(64000000)
spi.set_clock_hz(SPI_CLOCK_HZ)
# Create an image buffer.
self.buffer = Image.new('RGB', (width, height))
@@ -179,93 +188,119 @@ class ILI9341(object):
def _init(self):
# Initialize the display. Broken out as a separate function so it can
# be overridden by other displays in the future.
self.command(0xEF)
self.data(0x03)
self.data(0x80)
self.data(0x02)
self.command(0xCF)
self.data(0x00)
self.data(0XC1)
self.data(0X30)
self.command(0xED)
self.data(0x64)
self.data(0x03)
self.data(0X12)
self.data(0X81)
self.command(0xE8)
self.data(0x85)
self.data(0x00)
self.data(0x78)
self.command(0xCB)
self.data(0x39)
self.command(ILI9341_SWRESET) # Software reset
time.sleep(0.150) # delay 150 ms
self.command(ILI9341_SLPOUT) # Out of sleep mode
time.sleep(0.500) # delay 500 ms
self.command(ILI9341_FRMCTR1) # Frame rate ctrl - normal mode
self.data(0x01) # Rate = fosc/(1x2+40) * (LINE+2C+2D)
self.data(0x2C)
self.data(0x2D)
self.command(ILI9341_FRMCTR2) # Frame rate ctrl - idle mode
self.data(0x01) # Rate = fosc/(1x2+40) * (LINE+2C+2D)
self.data(0x2C)
self.data(0x2D)
self.command(ILI9341_FRMCTR3) # Frame rate ctrl - partial mode
self.data(0x01) # Dot inversion mode
self.data(0x2C)
self.data(0x2D)
self.data(0x01) # Line inversion mode
self.data(0x2C)
self.data(0x2D)
self.command(ILI9341_INVCTR) # Display inversion ctrl
self.data(0x07) # No inversion
self.command(ILI9341_PWCTR1) # Power control
self.data(0xA2)
self.data(0x02) # -4.6V
self.data(0x84) # auto mode
self.command(ILI9341_PWCTR2) # Power control
self.data(0x0A) # Opamp current small
self.data(0x00) # Boost frequency
self.command(ILI9341_PWCTR4) # Power control
self.data(0x8A) # BCLK/2, Opamp current small & Medium low
self.data(0x2A)
self.command(ILI9341_PWCTR5) # Power control
self.data(0x8A)
self.data(0xEE)
self.command(ILI9341_VMCTR1) # Power control
self.data(0x0E)
self.command(ILI9341_INVOFF) # Don't invert display
self.command(ILI9341_MADCTL) # Memory access control (directions)
self.data(0xC8) # row addr/col addr, bottom to top refresh
self.command(ILI9341_COLMOD) # set color mode
self.data(0x05) # 16-bit color
#
self.command(ILI9341_CASET) # Column addr set
self.data(0x00) # XSTART = 0
self.data(0x00)
self.data(0x34)
self.data(0x00) # XEND = 127
self.data(0x7F)
self.command(ILI9341_RASET) # Row addr set
self.data(0x00) # XSTART = 0
self.data(0x00)
self.data(0x00) # XEND = 159
self.data(0x9F)
#
self.command(ILI9341_GMCTRP1) # Set Gamma
self.data(0x02)
self.command(0xF7)
self.data(0x20)
self.command(0xEA)
self.data(0x00)
self.data(0x00)
self.command(ILI9341_PWCTR1) # Power control
self.data(0x23) # VRH[5:0]
self.command(ILI9341_PWCTR2) # Power control
self.data(0x10) # SAP[2:0];BT[3:0]
self.command(ILI9341_VMCTR1) # VCM control
self.data(0x3e)
self.data(0x28)
self.command(ILI9341_VMCTR2) # VCM control2
self.data(0x86) # --
self.command(ILI9341_MADCTL) # Memory Access Control
self.data(0x48)
self.command(ILI9341_PIXFMT)
self.data(0x55)
self.command(ILI9341_FRMCTR1)
self.data(0x00)
self.data(0x18)
self.command(ILI9341_DFUNCTR) # Display Function Control
self.data(0x08)
self.data(0x82)
self.data(0x27)
self.command(0xF2) # 3Gamma Function Disable
self.data(0x00)
self.command(ILI9341_GAMMASET) # Gamma curve selected
self.data(0x01)
self.command(ILI9341_GMCTRP1) # Set Gamma
self.data(0x0F)
self.data(0x31)
self.data(0x2B)
self.data(0x0C)
self.data(0x0E)
self.data(0x08)
self.data(0x4E)
self.data(0xF1)
self.data(0x1c)
self.data(0x07)
self.data(0x12)
self.data(0x37)
self.data(0x07)
self.data(0x32)
self.data(0x29)
self.data(0x2d)
self.data(0x29)
self.data(0x25)
self.data(0x2B)
self.data(0x39)
self.data(0x00)
self.data(0x01)
self.data(0x03)
self.data(0x10)
self.command(ILI9341_GMCTRN1) # Set Gamma
self.data(0x03)
self.data(0x0E)
self.data(0x09)
self.data(0x00)
self.command(ILI9341_GMCTRN1) # Set Gamma
self.data(0x00)
self.data(0x0E)
self.data(0x14)
self.data(0x03)
self.data(0x11)
self.data(0x1d)
self.data(0x07)
self.data(0x31)
self.data(0xC1)
self.data(0x48)
self.data(0x08)
self.data(0x0F)
self.data(0x0C)
self.data(0x31)
self.data(0x36)
self.data(0x0F)
self.command(ILI9341_SLPOUT) # Exit Sleep
time.sleep(0.120)
self.command(ILI9341_DISPON) # Display on
self.data(0x06)
self.data(0x2E)
self.data(0x2C)
self.data(0x29)
self.data(0x2D)
self.data(0x2E)
self.data(0x2E)
self.data(0x37)
self.data(0x3F)
self.data(0x00)
self.data(0x00)
self.data(0x02)
self.data(0x10)
self.command(ILI9341_NORON) # Normal display on
time.sleep(0.10) # 10 ms
self.command(ILI9341_DISPON) # Display on
time.sleep(0.100) # 100 ms
def begin(self):
"""Initialize the display. Should be called once before other calls that
@@ -290,7 +325,7 @@ class ILI9341(object):
self.data(x0) # XSTART
self.data(x1 >> 8)
self.data(x1) # XEND
self.command(ILI9341_PASET) # Row addr set
self.command(ILI9341_RASET) # Row addr set
self.data(y0 >> 8)
self.data(y0) # YSTART
self.data(y1 >> 8)