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[ili9xxx] Implement st7735 support (#6838)

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Clyde Stubbs 2024-06-12 11:47:52 +10:00 committed by GitHub
parent bc408ad08c
commit f25c296303
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GPG key ID: B5690EEEBB952194
5 changed files with 77 additions and 6 deletions
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2
esphome/components/ili9xxx/display.py
View file

@ -69,6 +69,7 @@ MODELS = {
"ILI9486": ili9xxx_ns.class_("ILI9XXXILI9486", ILI9XXXDisplay),
"ILI9488": ili9xxx_ns.class_("ILI9XXXILI9488", ILI9XXXDisplay),
"ILI9488_A": ili9xxx_ns.class_("ILI9XXXILI9488A", ILI9XXXDisplay),
"ST7735": ili9xxx_ns.class_("ILI9XXXST7735", ILI9XXXDisplay),
"ST7796": ili9xxx_ns.class_("ILI9XXXST7796", ILI9XXXDisplay),
"ST7789V": ili9xxx_ns.class_("ILI9XXXST7789V", ILI9XXXDisplay),
"S3BOX": ili9xxx_ns.class_("ILI9XXXS3Box", ILI9XXXDisplay),
@ -134,6 +135,7 @@ def _validate(config):
"ILI9341",
"ILI9342",
"ST7789V",
"ST7735",
]:
raise cv.Invalid("Selected model can't run on ESP8266.")

2
esphome/components/ili9xxx/ili9xxx_defines.h
View file

@ -70,6 +70,7 @@ static const uint8_t ILI9XXX_PWCTR2 = 0xC1;
static const uint8_t ILI9XXX_PWCTR3 = 0xC2;
static const uint8_t ILI9XXX_PWCTR4 = 0xC3;
static const uint8_t ILI9XXX_PWCTR5 = 0xC4;
static const uint8_t ILI9XXX_PWCTR6 = 0xF6;
static const uint8_t ILI9XXX_VMCTR1 = 0xC5;
static const uint8_t ILI9XXX_IFCTR = 0xC6;
static const uint8_t ILI9XXX_VMCTR2 = 0xC7;
@ -91,6 +92,7 @@ static const uint8_t ILI9XXX_GMCTRN1 = 0xE1;
static const uint8_t ILI9XXX_CSCON = 0xF0;
static const uint8_t ILI9XXX_ADJCTL3 = 0xF7;
static const uint8_t ILI9XXX_DELAY = 0xFF; // followed by one byte of delay time in ms
} // namespace ili9xxx
} // namespace esphome

10
esphome/components/ili9xxx/ili9xxx_display.cpp
View file

@ -411,12 +411,20 @@ void ILI9XXXDisplay::init_lcd_(const uint8_t *addr) {
uint8_t cmd, x, num_args;
while ((cmd = *addr++) != 0) {
x = *addr++;
if (cmd == ILI9XXX_DELAY) {
ESP_LOGD(TAG, "Delay %dms", x);
delay(x);
} else {
num_args = x & 0x7F;
ESP_LOGD(TAG, "Command %02X, length %d, bits %02X", cmd, num_args, *addr);
this->send_command(cmd, addr, num_args);
addr += num_args;
if (x & 0x80)
if (x & 0x80) {
ESP_LOGD(TAG, "Delay 150ms");
delay(150); // NOLINT
}
}
}
}
// Tell the display controller where we want to draw pixels.

10
esphome/components/ili9xxx/ili9xxx_display.h
View file

@ -35,7 +35,6 @@ class ILI9XXXDisplay : public display::DisplayBuffer,
while ((cmd = *addr++) != 0) {
num_args = *addr++ & 0x7F;
bits = *addr;
esph_log_d(TAG, "Command %02X, length %d, bits %02X", cmd, num_args, bits);
switch (cmd) {
case ILI9XXX_MADCTL: {
this->swap_xy_ = (bits & MADCTL_MV) != 0;
@ -51,6 +50,9 @@ class ILI9XXXDisplay : public display::DisplayBuffer,
break;
}
case ILI9XXX_DELAY:
continue; // no args to skip
default:
break;
}
@ -269,5 +271,11 @@ class ILI9XXXGC9A01A : public ILI9XXXDisplay {
ILI9XXXGC9A01A() : ILI9XXXDisplay(INITCMD_GC9A01A, 240, 240, true) {}
};
//----------- ILI9XXX_24_TFT display --------------
class ILI9XXXST7735 : public ILI9XXXDisplay {
public:
ILI9XXXST7735() : ILI9XXXDisplay(INITCMD_ST7735, 128, 160, false) {}
};
} // namespace ili9xxx
} // namespace esphome

51
esphome/components/ili9xxx/ili9xxx_init.h
View file

@ -370,6 +370,57 @@ static const uint8_t PROGMEM INITCMD_GC9A01A[] = {
0x00 // End of list
};
static const uint8_t PROGMEM INITCMD_ST7735[] = {
ILI9XXX_SWRESET, 0, // Soft reset, then delay 10ms
ILI9XXX_DELAY, 10,
ILI9XXX_SLPOUT , 0, // Exit Sleep, delay
ILI9XXX_DELAY, 10,
ILI9XXX_PIXFMT , 1, 0x05,
ILI9XXX_FRMCTR1, 3, // 4: Frame rate control, 3 args + delay:
0x01, 0x2C, 0x2D, // Rate = fosc/(1x2+40) * (LINE+2C+2D)
ILI9XXX_FRMCTR2, 3, // 4: Framerate ctrl - idle mode, 3 args:
0x01, 0x2C, 0x2D, // Rate = fosc/(1x2+40) * (LINE+2C+2D)
ILI9XXX_FRMCTR3, 6, // 5: Framerate - partial mode, 6 args:
0x01, 0x2C, 0x2D, // Dot inversion mode
0x01, 0x2C, 0x2D, // Line inversion mode
ILI9XXX_INVCTR, 1, // 7: Display inversion control, 1 arg:
0x7, // Line inversion
ILI9XXX_PWCTR1, 3, // 7: Power control, 3 args, no delay:
0xA2,
0x02, // -4.6V
0x84, // AUTO mode
ILI9XXX_PWCTR2, 1, // 8: Power control, 1 arg, no delay:
0xC5, // VGH25=2.4C VGSEL=-10 VGH=3 * AVDD
ILI9XXX_PWCTR3, 2, // 9: Power control, 2 args, no delay:
0x0A, // Opamp current small
0x00, // Boost frequency
ILI9XXX_PWCTR4, 2, // 10: Power control, 2 args, no delay:
0x8A, // BCLK/2,
0x2A, // opamp current small & medium low
ILI9XXX_PWCTR5, 2, // 11: Power control, 2 args, no delay:
0x8A, 0xEE,
ILI9XXX_VMCTR1, 1, // 11: Power control, 2 args + delay:
0x0E,
ILI9XXX_GMCTRP1, 16, // 13: Gamma Adjustments (pos. polarity), 16 args + delay:
0x02, 0x1c, 0x07, 0x12, // (Not entirely necessary, but provides
0x37, 0x32, 0x29, 0x2d, // accurate colors)
0x29, 0x25, 0x2B, 0x39,
0x00, 0x01, 0x03, 0x10,
ILI9XXX_GMCTRN1, 16, // 14: Gamma Adjustments (neg. polarity), 16 args + delay:
0x03, 0x1d, 0x07, 0x06, // (Not entirely necessary, but provides
0x2E, 0x2C, 0x29, 0x2D, // accurate colors)
0x2E, 0x2E, 0x37, 0x3F,
0x00, 0x00, 0x02, 0x10,
ILI9XXX_MADCTL , 1, 0x00, // Memory Access Control, BGR
ILI9XXX_NORON , 0,
ILI9XXX_DELAY, 10,
ILI9XXX_DISPON , 0, // Display on
ILI9XXX_DELAY, 10,
00, // endo of list
};
// clang-format on
} // namespace ili9xxx
} // namespace esphome