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Use window on LCD

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Signed-off-by: Mahyar Koshkouei <mk@deltabeard.com>
This commit is contained in:
Mahyar Koshkouei
2022-03-28 19:43:53 +01:00
parent 4379ef9f47
commit dfc88605c4
2 changed files with 64 additions and 25 deletions
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src/mk_ili9225.c
+12 -14
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@@ -387,21 +387,19 @@ unsigned mk_ili9225_init(void)
{ MK_ILI9225_REG_DRIVER_OUTPUT_CTRL, 0x011C },
/* Set LCD inversion to disabled. */
{ MK_ILI9225_REG_LCD_AC_DRIVING_CTRL, 0x0100 },
/* Use BGR mode (swap blue with red).
* Increment vertical and horizontal address.
* Use vertical image.
* FIXME: Why is BGR enabled? */
{ MK_ILI9225_REG_ENTRY_MODE, 0x0008 },
/* Increment vertical and horizontal address.
* Use vertical image. */
{ MK_ILI9225_REG_ENTRY_MODE, 0x0018 },
/* Turn off all display outputs. */
{ MK_ILI9225_REG_DISPLAY_CTRL, 0x0000 },
/* Set porches to 8 lines. */
{ MK_ILI9225_REG_BLANK_PERIOD_CTRL, 0x0808 },
{ MK_ILI9225_REG_BLANK_PERIOD_CTRL, 0x0808 },
/* Use 1-clock delay to gate output and edge. */
{ MK_ILI9225_REG_FRAME_CYCLE_CTRL, 0x1100 },
{ MK_ILI9225_REG_FRAME_CYCLE_CTRL, 0x1100 },
/* Ignore RGB interface settings. */
{ MK_ILI9225_REG_INTERFACE_CTRL, 0x0000 },
{ MK_ILI9225_REG_INTERFACE_CTRL, 0x0000 },
/* Set oscillation frequency to 266.6 kHz. */
{ MK_ILI9225_REG_OSC_CTRL, 0x0701 },
{ MK_ILI9225_REG_OSC_CTRL, 0x0701 },
/* Set VCI recycling to 2 clocks. */
{ MK_ILI9225_REG_VCI_RECYCLING, 0x0020 },
/* Initialise RAM Address to 0x0 px. */
@@ -409,7 +407,7 @@ unsigned mk_ili9225_init(void)
{ MK_ILI9225_REG_RAM_ADDR_SET2, 0x0000 },
/* Set scanning position to full screen. */
{ MK_ILI9225_REG_GATE_SCAN_CTRL, 0x0000 },
{ MK_ILI9225_REG_GATE_SCAN_CTRL, 0x0000 },
/* Set end scan position to 219 + 1 px (0xDB). */
{ MK_ILI9225_REG_VERT_SCROLL_CTRL1, 0x00DB },
/* Set start scan position to 0 px. */
@@ -422,10 +420,10 @@ unsigned mk_ili9225_init(void)
/* Set partial screen driving start to 0 px. */
{ MK_ILI9225_REG_PART_DRIVING_POS2, 0x0000 },
/* Set window to 176 x 220 px (full screen). */
{ MK_ILI9225_REG_HORI_WIN_ADDR1, 0x00AF },
{ MK_ILI9225_REG_HORI_WIN_ADDR2, 0x0000 },
{ MK_ILI9225_REG_VERT_WIN_ADDR1, 0x00DB },
{ MK_ILI9225_REG_VERT_WIN_ADDR2, 0x0000 },
{ MK_ILI9225_REG_HORI_WIN_ADDR1, 0x00AF },
{ MK_ILI9225_REG_HORI_WIN_ADDR2, 0x0000 },
{ MK_ILI9225_REG_VERT_WIN_ADDR1, 0x00DB },
{ MK_ILI9225_REG_VERT_WIN_ADDR2, 0x0000 },
/* Gamma curve data. */
{ MK_ILI9225_REG_GAMMA_CTRL1, 0x0000 },