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embed/extmod/modtrezorui: refactor BUFFER_OFFSET and PIXELWINDOW structures

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This commit is contained in:
Pavol Rusnak 2018-02-18 15:50:15 +01:00
parent e264090678
commit 30396f9cf0
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GPG Key ID: 91F3B339B9A02A3D
2 changed files with 30 additions and 19 deletions
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18
embed/extmod/modtrezorui/display-stm32.h
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@ -43,15 +43,15 @@ static void display_unsleep(void)
#endif
}
static uint16_t BUFFER_OFFSET_X = 0, BUFFER_OFFSET_Y = 0;
static struct {
uint16_t x, y;
} BUFFER_OFFSET;
static void display_set_window(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1)
{
#if DISPLAY_ILI9341V || DISPLAY_ST7789V
x0 += BUFFER_OFFSET_X;
x1 += BUFFER_OFFSET_X;
y0 += BUFFER_OFFSET_Y;
y1 += BUFFER_OFFSET_Y;
x0 += BUFFER_OFFSET.x; x1 += BUFFER_OFFSET.x;
y0 += BUFFER_OFFSET.y; y1 += BUFFER_OFFSET.y;
CMD(0x2A); DATA(x0 >> 8); DATA(x0 & 0xFF); DATA(x1 >> 8); DATA(x1 & 0xFF); // column addr set
CMD(0x2B); DATA(y0 >> 8); DATA(y0 & 0xFF); DATA(y1 >> 8); DATA(y1 & 0xFF); // row addr set
CMD(0x2C);
@ -66,8 +66,8 @@ 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;
BUFFER_OFFSET.x = 0;
BUFFER_OFFSET.y = 0;
uint8_t display_command_parameter = 0;
switch (degrees) {
case 0:
@ -78,11 +78,11 @@ void display_set_orientation(int degrees)
break;
case 180:
display_command_parameter = MX | MY;
BUFFER_OFFSET_Y = MAX_DISPLAY_RESY - DISPLAY_RESY;
BUFFER_OFFSET.y = MAX_DISPLAY_RESY - DISPLAY_RESY;
break;
case 270:
display_command_parameter = MV | MY;
BUFFER_OFFSET_X = MAX_DISPLAY_RESY - DISPLAY_RESX;
BUFFER_OFFSET.x = MAX_DISPLAY_RESY - DISPLAY_RESX;
break;
}
CMD(0x36); DATA(display_command_parameter);

31
embed/extmod/modtrezorui/display-unix.h
View File

@ -15,19 +15,30 @@
static SDL_Renderer *RENDERER;
static SDL_Surface *BUFFER;
static SDL_Texture *TEXTURE;
static int POSX, POSY, SX, SY, EX, EY;
static struct {
struct {
uint16_t x, y;
} start;
struct {
uint16_t x, y;
} end;
struct {
uint16_t x, y;
} pos;
} PIXELWINDOW;
void PIXELDATA(uint16_t c) {
if (!RENDERER) {
display_init();
}
if (POSX <= EX && POSY <= EY) {
((uint16_t *)BUFFER->pixels)[POSX + POSY * BUFFER->pitch / sizeof(uint16_t)] = c;
if (PIXELWINDOW.pos.x <= PIXELWINDOW.end.x && PIXELWINDOW.pos.y <= PIXELWINDOW.end.y) {
((uint16_t *)BUFFER->pixels)[PIXELWINDOW.pos.x + PIXELWINDOW.pos.y * BUFFER->pitch / sizeof(uint16_t)] = c;
}
POSX++;
if (POSX > EX) {
POSX = SX;
POSY++;
PIXELWINDOW.pos.x++;
if (PIXELWINDOW.pos.x > PIXELWINDOW.end.x) {
PIXELWINDOW.pos.x = PIXELWINDOW.start.x;
PIXELWINDOW.pos.y++;
}
}
#else
@ -71,9 +82,9 @@ static void display_set_window(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y
if (!RENDERER) {
display_init();
}
SX = x0; SY = y0;
EX = x1; EY = y1;
POSX = SX; POSY = SY;
PIXELWINDOW.start.x = x0; PIXELWINDOW.start.y = y0;
PIXELWINDOW.end.x = x1; PIXELWINDOW.end.y = y1;
PIXELWINDOW.pos.x = x0; PIXELWINDOW.pos.y = y0;
#endif
}