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fix: ll st7567, reverse display

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This commit is contained in:
IOsetting 2023-01-23 23:28:56 +08:00
parent a03fef4b4b
commit 4aefda2594
2 changed files with 5 additions and 5 deletions
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8
Examples/LL/SPI/ST7567_128x64LCD/st7567.c
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@ -138,8 +138,8 @@ void ST7567_UpdateScreen(void)
for (i = 0; i < ST7567_PAGES; i++) for (i = 0; i < ST7567_PAGES; i++)
{ {
ST7567_WriteCommand(ST7567_SET_PAGE_ADDRESS|(i & ST7567_SET_PAGE_ADDRESS_MASK)); ST7567_WriteCommand(ST7567_SET_PAGE_ADDRESS|(i & ST7567_SET_PAGE_ADDRESS_MASK));
ST7567_WriteCommand(ST7567_SET_COLUMN_ADDRESS_MSB|(0 >> 4)); ST7567_WriteCommand(ST7567_SET_COLUMN_ADDRESS_MSB|(ST7567_X_OFFSET >> 4));
ST7567_WriteCommand(ST7567_SET_COLUMN_ADDRESS_LSB|(0 & 0x0F)); ST7567_WriteCommand(ST7567_SET_COLUMN_ADDRESS_LSB|(ST7567_X_OFFSET & 0x0F));
ST7567_Transmit(pt + (ST7567_WIDTH * i), ST7567_WIDTH, ST7567_TIMEOUT); ST7567_Transmit(pt + (ST7567_WIDTH * i), ST7567_WIDTH, ST7567_TIMEOUT);
} }
} }
@ -174,11 +174,11 @@ void ST7567_DrawPixel(uint16_t x, uint16_t y, uint8_t color)
if (color == ST7567_COLOR_FRONT) if (color == ST7567_COLOR_FRONT)
{ {
ST7567_Buffer_all[ST7567_X_OFFSET + x + (y / 8) * (ST7567_WIDTH + ST7567_SEG_EXPAND)] |= 1 << (y % 8); ST7567_Buffer_all[x + (y / 8) * ST7567_WIDTH] |= 1 << (y % 8);
} }
else else
{ {
ST7567_Buffer_all[ST7567_X_OFFSET + x + (y / 8) * (ST7567_WIDTH + ST7567_SEG_EXPAND)] &= ~(1 << (y % 8)); ST7567_Buffer_all[x + (y / 8) * ST7567_WIDTH] &= ~(1 << (y % 8));
} }
} }

2
Examples/LL/SPI/ST7567_128x64LCD/st7567.h
View File

@ -43,7 +43,7 @@
// Y height // Y height
#define ST7567_HEIGHT 64 #define ST7567_HEIGHT 64
// Additional bytes in each row // Additional bytes in each row
#define ST7567_SEG_EXPAND 0 #define ST7567_SEG_EXPAND 4
// Display RAM Pages (8x8bit + 1bit) // Display RAM Pages (8x8bit + 1bit)
#define ST7567_PAGES 8 #define ST7567_PAGES 8
// X orientation // X orientation