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linuxfb: set active color

This commit is contained in:
j.turek 2023-04-27 14:40:38 +02:00
parent 75546fef88
commit 6b8687c52a
2 changed files with 12 additions and 4 deletions
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1
csrc/u8x8.h
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@ -818,6 +818,7 @@ uint8_t u8x8_ConnectBitmapToU8x8(u8x8_t *u8x8);
/*==========================================*/
/* u8x8_d_framebuffer.c */
void u8x8_SetupLinuxFb(u8x8_t *u8x8, int fbfd);
void u8x8_LinuxFbSetActiveColor(uint32_t color);
/*==========================================*/
/* u8x8_d_utf8.c */

15
sys/linux-fb/common/u8x8_d_framebuffer.c
View File

@ -1,8 +1,8 @@
/*
u8x8_d_framebuffer.c
u8x8_framebuffer.c
a linux framebuffer port
a framebuffer device
*/
@ -28,6 +28,7 @@ struct _u8x8_linuxfb_struct
uint8_t *u8x8_buf;
uint8_t *u8g2_buf;
uint8_t *fbp;
uint32_t active_color;
};
typedef struct _u8x8_linuxfb_struct u8x8_linuxfb_t;
@ -63,6 +64,7 @@ uint8_t u8x8_LinuxFb_alloc(int fbfd, u8x8_linuxfb_t *fb)
free(fb->u8x8_buf);
fb->fbfd = fbfd;
fb->active_color = 0xFFFFFF;
tile_width = (fb->vinfo.xres+7)/8;
tile_height = (fb->vinfo.yres+7)/8;
@ -88,8 +90,8 @@ uint8_t u8x8_LinuxFb_alloc(int fbfd, u8x8_linuxfb_t *fb)
void u8x8_LinuxFb_DrawTiles(u8x8_linuxfb_t *fb, uint16_t tx, uint16_t ty, uint8_t tile_cnt, uint8_t *tile_ptr)
{
uint8_t byte;
memset(fb->u8x8_buf,0x00,8*tile_cnt);
for(int i=0; i < tile_cnt * 8; i++){
byte = *tile_ptr++;
for(int bit=0; bit < 8;bit++){
@ -110,7 +112,7 @@ void u8x8_LinuxFb_DrawTiles(u8x8_linuxfb_t *fb, uint16_t tx, uint16_t ty, uint8_
for(int y=0; y<8;y++){
for(int x=0; x<8*tile_cnt;x++){
if(fb->u8x8_buf[(x/8) + (y*tile_cnt) ] & (1 << x%8))
pixel = 0xFFFFFF;
pixel = fb->active_color;
else
pixel = 0x000000;
location = (x + fb->vinfo.xoffset) + ((ty*8)+y + fb->vinfo.yoffset) * fb->finfo.line_length / 4;
@ -248,3 +250,8 @@ void u8g2_SetupLinuxFb(u8g2_t *u8g2, const u8g2_cb_t *u8g2_cb, const char *fb_de
/* configure u8g2 in full buffer mode */
u8g2_SetupBuffer(u8g2, u8x8_linuxfb.u8g2_buf, (u8x8_libuxfb_info.pixel_height+7)/8, u8g2_ll_hvline_vertical_top_lsb, u8g2_cb);
}
void u8x8_LinuxFbSetActiveColor(uint32_t color)
{
u8x8_linuxfb.active_color = color;
}