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The following commit(s) were added to refs/heads/master by this push:
new c623a7b731 drivers/lcd/st7789: Support mirror X/Y
c623a7b731 is described below
commit c623a7b7315b7701be5abe2739df51e8cf5a2767
Author: Huang Qi <[email protected]>
AuthorDate: Sun Mar 26 10:03:35 2023 +0800
drivers/lcd/st7789: Support mirror X/Y
Support mirror display by X/Y axis, it's useful for
single portrait/landscape but need to mirror specific direction.
Signed-off-by: Huang Qi <[email protected]>
---
drivers/lcd/Kconfig | 8 ++++++++
drivers/lcd/st7789.c | 28 ++++++++++++++++++++++------
2 files changed, 30 insertions(+), 6 deletions(-)
diff --git a/drivers/lcd/Kconfig b/drivers/lcd/Kconfig
index 80be5c59a2..d978aebade 100644
--- a/drivers/lcd/Kconfig
+++ b/drivers/lcd/Kconfig
@@ -729,6 +729,14 @@ if LCD_ST7789
---help---
Specifies the Y offset of the LCD.
+ config LCD_ST7789_MIRRORX
+ bool "ST7789 Mirror X"
+ default n
+
+ config LCD_ST7789_MIRRORY
+ bool "ST7789 Mirror Y"
+ default n
+
config LCD_ST7789_BPP
int "Bit Per Pixel (12 or 16)"
default 16
diff --git a/drivers/lcd/st7789.c b/drivers/lcd/st7789.c
index 55d0476221..de8f2f038e 100644
--- a/drivers/lcd/st7789.c
+++ b/drivers/lcd/st7789.c
@@ -355,30 +355,46 @@ static void st7789_display(FAR struct st7789_dev_s *dev,
bool on)
static void st7789_setorientation(FAR struct st7789_dev_s *dev)
{
- /* No need to change the orientation in PORTRAIT mode */
+ /* Default value on reset */
+
+ uint8_t madctl = 0x00;
-#if !defined(CONFIG_LCD_PORTRAIT)
st7789_sendcmd(dev, ST7789_MADCTL);
st7789_select(dev->spi, 8);
+#if !defined(CONFIG_LCD_PORTRAIT)
+
# if defined(CONFIG_LCD_RLANDSCAPE)
/* RLANDSCAPE : MY=1 MV=1 */
- SPI_SEND(dev->spi, 0xa0);
+ madctl = 0xa0;
# elif defined(CONFIG_LCD_LANDSCAPE)
/* LANDSCAPE : MX=1 MV=1 */
- SPI_SEND(dev->spi, 0x70);
+ madctl = 0x70;
# elif defined(CONFIG_LCD_RPORTRAIT)
/* RPORTRAIT : MX=1 MY=1 */
- SPI_SEND(dev->spi, 0xc0);
+ madctl = 0xc0;
# endif
- st7789_deselect(dev->spi);
#endif
+
+ /* Mirror X/Y for current setting */
+
+#ifdef CONFIG_LCD_ST7789_MIRRORX
+ madctl ^= 0x40;
+#endif
+
+#ifdef CONFIG_LCD_ST7789_MIRRORY
+ madctl ^= 0x80;
+#endif
+
+ SPI_SEND(dev->spi, madctl);
+
+ st7789_deselect(dev->spi);
}
/****************************************************************************
