diff options
Diffstat (limited to 'bsp/ls1cdev/drivers/display_controller.c')
| -rw-r--r-- | bsp/ls1cdev/drivers/display_controller.c | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/bsp/ls1cdev/drivers/display_controller.c b/bsp/ls1cdev/drivers/display_controller.c index d77299b66b..2a0bfcc619 100644 --- a/bsp/ls1cdev/drivers/display_controller.c +++ b/bsp/ls1cdev/drivers/display_controller.c @@ -41,8 +41,12 @@ struct vga_struct vga_mode[] = {/*"1440x900_67.00"*/ 120280, 1440, 1528, 1680, 1920, 900, 901, 904, 935, }, }; +static volatile int fb_index = 0; + ALIGN(16) volatile rt_uint16_t _rt_framebuffer[FB_YSIZE][FB_XSIZE]; +volatile rt_uint16_t _rt_framebuffer0[FB_YSIZE][FB_XSIZE]; +volatile rt_uint16_t _rt_framebuffer1[FB_YSIZE][FB_XSIZE]; static struct rt_device_graphic_info _dc_info; static void pwminit(void) @@ -130,13 +134,11 @@ static rt_err_t rt_dc_init(rt_device_t dev) if (mode<0) { rt_kprintf("\n\n\nunsupported framebuffer resolution\n\n\n"); - return; + return RT_ERROR; } DC_FB_CONFIG = 0x0; DC_FB_CONFIG = 0x3; // // framebuffer configuration RGB565 - DC_FB_BUFFER_ADDR0 = (rt_uint32_t)_rt_framebuffer - 0x80000000; - DC_FB_BUFFER_ADDR1 = (rt_uint32_t)_rt_framebuffer - 0x80000000; DC_DITHER_CONFIG = 0x0; //颜色抖动配置寄存器 DC_DITHER_TABLE_LOW = 0x0; //颜色抖动查找表低位寄存器 DC_DITHER_TABLE_HIGH = 0x0; //颜色抖动查找表高位寄存器 @@ -175,7 +177,25 @@ static rt_err_t rt_dc_control(rt_device_t dev, int cmd, void *args) switch (cmd) { case RTGRAPHIC_CTRL_RECT_UPDATE: + { + if (fb_index == 0) + { + DC_FB_BUFFER_ADDR0 = (rt_uint32_t)_rt_framebuffer1 - 0x80000000; + DC_FB_BUFFER_ADDR1 = (rt_uint32_t)_rt_framebuffer1 - 0x80000000; + rt_memcpy((void *)_rt_framebuffer1, (const void *)_rt_framebuffer, sizeof(_rt_framebuffer)); + rt_memcpy((void *)_rt_framebuffer1, (const void *)_rt_framebuffer, sizeof(_rt_framebuffer)); + fb_index =1; + } + else + { + DC_FB_BUFFER_ADDR0 = (rt_uint32_t)_rt_framebuffer0 - 0x80000000; + DC_FB_BUFFER_ADDR1 = (rt_uint32_t)_rt_framebuffer0 - 0x80000000; + rt_memcpy((void *)_rt_framebuffer0, (const void *)_rt_framebuffer, sizeof(_rt_framebuffer)); + rt_memcpy((void *)_rt_framebuffer0, (const void *)_rt_framebuffer, sizeof(_rt_framebuffer)); + fb_index =0; + } break; + } case RTGRAPHIC_CTRL_POWERON: break; case RTGRAPHIC_CTRL_POWEROFF: @@ -200,7 +220,7 @@ void rt_hw_dc_init(void) } _dc_info.bits_per_pixel = 16; - _dc_info.pixel_format = RTGRAPHIC_PIXEL_FORMAT_RGB565P; + _dc_info.pixel_format = RTGRAPHIC_PIXEL_FORMAT_RGB565; _dc_info.framebuffer = (rt_uint8_t*)HW_FB_ADDR; _dc_info.width = FB_XSIZE; _dc_info.height = FB_YSIZE; |