83 lines
2.3 KiB
C
83 lines
2.3 KiB
C
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// This is the command sequence that rotates the ILI9341 driver coordinate frame
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rotation = m % 4; // Limit the range of values to 0-3
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writecommand(TFT_MADCTL);
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switch (rotation) {
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case 0:
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if (tabcolor == INITR_BLACKTAB) {
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writedata(TFT_MAD_MX | TFT_MAD_MY | TFT_MAD_RGB);
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} else if(tabcolor == INITR_GREENTAB2) {
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writedata(TFT_MAD_MX | TFT_MAD_MY | TFT_MAD_RGB);
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colstart = 2;
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rowstart = 1;
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} else {
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writedata(TFT_MAD_MX | TFT_MAD_MY | TFT_MAD_BGR);
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}
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_width = TFT_WIDTH;
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_height = TFT_HEIGHT;
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break;
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case 1:
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if (tabcolor == INITR_BLACKTAB) {
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writedata(TFT_MAD_MY | TFT_MAD_MV | TFT_MAD_RGB);
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} else if(tabcolor == INITR_GREENTAB2) {
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writedata(TFT_MAD_MY | TFT_MAD_MV | TFT_MAD_RGB);
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colstart = 1;
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rowstart = 2;
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} else {
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writedata(TFT_MAD_MY | TFT_MAD_MV | TFT_MAD_BGR);
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}
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_width = TFT_HEIGHT;
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_height = TFT_WIDTH;
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break;
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case 2:
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if (tabcolor == INITR_BLACKTAB) {
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writedata(TFT_MAD_RGB);
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} else if(tabcolor == INITR_GREENTAB2) {
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writedata(TFT_MAD_RGB);
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colstart = 2;
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rowstart = 1;
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} else {
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writedata(TFT_MAD_BGR);
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}
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_width = TFT_WIDTH;
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_height = TFT_HEIGHT;
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break;
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case 3:
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if (tabcolor == INITR_BLACKTAB) {
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writedata(TFT_MAD_MX | TFT_MAD_MV | TFT_MAD_RGB);
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} else if(tabcolor == INITR_GREENTAB2) {
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writedata(TFT_MAD_MX | TFT_MAD_MV | TFT_MAD_RGB);
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colstart = 1;
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rowstart = 2;
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} else {
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writedata(TFT_MAD_MX | TFT_MAD_MV | TFT_MAD_BGR);
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}
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_width = TFT_HEIGHT;
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_height = TFT_WIDTH;
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break;
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// These next rotations are for bottum up BMP drawing
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/* case 4:
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writedata(ST7735_TFT_MAD_MX | ST7735_TFT_MAD_MY | ST7735_TFT_MAD_BGR);
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_width = TFT_WIDTH;
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_height = TFT_HEIGHT;
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break;
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case 5:
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writedata(ST7735_TFT_MAD_MV | ST7735_TFT_MAD_MX | ST7735_TFT_MAD_BGR);
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_width = TFT_HEIGHT;
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_height = TFT_WIDTH;
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break;
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case 6:
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writedata(ST7735_TFT_MAD_BGR);
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_width = TFT_WIDTH;
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_height = TFT_HEIGHT;
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break;
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case 7:
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writedata(ST7735_TFT_MAD_MY | ST7735_TFT_MAD_MV | ST7735_TFT_MAD_BGR);
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_width = TFT_HEIGHT;
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_height = TFT_WIDTH;
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break;
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*/
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} |