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embed: refactor BUFFER_OFFSET modification in display_set_orientation

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Pavol Rusnak 2018-07-26 15:31:32 +02:00
parent 09ddcc7ac9
commit 32fbc69c30
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GPG Key ID: 91F3B339B9A02A3D
1 changed files with 6 additions and 5 deletions
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11
embed/extmod/modtrezorui/display-stm32.h
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@ -24,7 +24,7 @@
#endif
#ifndef DISPLAY_ST7789V
#define DISPLAY_ST7789V 1
#define DISPLAY_ST7789V 1
#endif
// FSMC/FMC Bank 1 - NOR/PSRAM 1
@ -78,8 +78,7 @@ void display_set_orientation(int degrees)
#define MY (1 << 7)
// MADCTL: Memory Data Access Control
// reference section 9.3 in the ILI9341 manual; 8.12 in the ST7789V manual
BUFFER_OFFSET.x = 0;
BUFFER_OFFSET.y = 0;
char BX = 0, BY = 0;
uint8_t display_command_parameter = 0;
switch (degrees) {
case 0:
@ -90,16 +89,18 @@ void display_set_orientation(int degrees)
break;
case 180:
display_command_parameter = MX | MY;
BUFFER_OFFSET.y = MAX_DISPLAY_RESY - DISPLAY_RESY;
BY = 1;
break;
case 270:
display_command_parameter = MV | MY;
BUFFER_OFFSET.x = MAX_DISPLAY_RESY - DISPLAY_RESX;
BX = 1;
break;
}
CMD(0x36); DATA(display_command_parameter);
display_set_window(0, 0, DISPLAY_RESX - 1, DISPLAY_RESY - 1); // reset the column and page extents
#endif
BUFFER_OFFSET.x = BX ? (MAX_DISPLAY_RESY - DISPLAY_RESY) : 0;
BUFFER_OFFSET.y = BY ? (MAX_DISPLAY_RESY - DISPLAY_RESY) : 0;
}
void display_set_backlight(int val)