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[/] [or1k/] [tags/] [nog_patch_35/] [or1ksim/] [testbench/] [fbtest.c] - Rev 1765
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/* Simple frame buffer test. Draws some horizontal with different colors. */ #include "support.h" #define BUFADDR 0x00100000 #define BASEADDR 0x97000000 #define BUF_PTR ((unsigned char *)BUFADDR) #define PAL_PTR ((unsigned long *)(BASEADDR + 0x400)) #define SIZEX 640 #define SIZEY 480 #define putxy(x,y) *(BUF_PTR + (x) + (y) * SIZEX) #define setpal(i,r,g,b) *(PAL_PTR + (i)) = (((unsigned long)(r) & 0xff) << 16) | (((unsigned long)(g) & 0xff) << 8) | (((unsigned long)(b) & 0xff) << 0) void hline (int y, int x1, int x2, unsigned char c) { int x; for (x = x1; x < x2; x++) putxy(x, y) = c; } int main(void) { unsigned i; /* Set address of buffer at predefined location */ *((unsigned long *)(BASEADDR) + 0x1) = BUFADDR; for (i = 0; i < 256; i++) setpal (i, 256 - i, i, 128 ^ i); /* Turn display on */ *((unsigned long *)(BASEADDR) + 0x0) = 0xffffffff; for (i = 0; i < 16; i++) { hline (i, 0, i, i); hline (256 - i, 256 - i, 256 + i, i); } report (0xdeaddead); return 0; }