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zle dziala clear_buffor

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bartool
2021-05-30 18:17:06 +02:00
parent 2972501cef
commit 476101b0bd
4 changed files with 27 additions and 15 deletions
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17
Core/Src/SSD1306_oled.c
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@@ -340,9 +340,9 @@ void SSD1306_write_to_buffer(const uint8_t* bitmap, uint8_t bitmap_width, uint8_
}
if (pos_y < 0) {
tmp_buf16 |= tmp_bitmap >> (b.shift % 8);
tmp_buf16 |= (tmp_bitmap >> (b.shift % 8)) & ~(mask_buf);
} else {
tmp_buf16 |= tmp_bitmap << (b.shift % 8);
tmp_buf16 |= (tmp_bitmap << (b.shift % 8)) & ~(mask_buf);
}
}
@@ -357,7 +357,8 @@ void SSD1306_clear_buffer(uint8_t width, uint8_t height, int8_t pos_x, int8_t po
if (width + pos_x < 0 || height + pos_y < 0) return;
uint16_t tmp_buf16, bitmap_idx;
uint8_t mask_buf;
uint16_t mask_buf;
uint8_t bitmap_row;
switch(color)
{
@@ -375,17 +376,17 @@ void SSD1306_clear_buffer(uint8_t width, uint8_t height, int8_t pos_x, int8_t po
for(uint8_t col = b.buf_col_first; col < b.buf_col_last; col++, b.bitmap_col++)
{
tmp_buf16 = 0;
b.bitmap_row = b.bitmap_row_first;
for( uint8_t buf_row = b.buf_row_first; buf_row < b.buf_row_last; buf_row++, b.bitmap_row++ )
bitmap_row = b.bitmap_row_first;
for( uint8_t buf_row = b.buf_row_first; buf_row < b.buf_row_last; buf_row++, bitmap_row++ )
{
bitmap_idx = width * b.bitmap_row + b.bitmap_col;
bitmap_idx = width * bitmap_row + b.bitmap_col;
mask_buf = 0;
if (b.bitmap_row == 0 && pos_y > 0) {
if (bitmap_row == 0 && pos_y > 0) {
mask_buf |= 0xFF >> (8 - (b.shift % 8));
}
uint8_t shifted_pixels_left = (pos_y%8 + height) - b.bitmap_row * 8;
uint8_t shifted_pixels_left = (pos_y%8 + height) - bitmap_row * 8;
if (shifted_pixels_left < 8) {
mask_buf |= (0xFF << shifted_pixels_left);
}