diff options
Diffstat (limited to 'demos/benchmarks/main.c')
| -rw-r--r-- | demos/benchmarks/main.c | 146 |
1 files changed, 0 insertions, 146 deletions
diff --git a/demos/benchmarks/main.c b/demos/benchmarks/main.c deleted file mode 100644 index 9bd3cef3..00000000 --- a/demos/benchmarks/main.c +++ /dev/null @@ -1,146 +0,0 @@ -/*
- ChibiOS/GFX - Copyright (C) 2012
- Joel Bodenmann aka Tectu <joel@unormal.org>
-
- This file is part of ChibiOS/GFX.
-
- ChibiOS/GFX is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- ChibiOS/GFX is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include "ch.h"
-#include "hal.h"
-#include "chprintf.h"
-#include "stdlib.h"
-#include "string.h"
-#include "gfx.h"
-
-#define SCB_DEMCR (*(volatile unsigned *)0xE000EDFC)
-#define CPU_RESET_CYCLECOUNTER do { SCB_DEMCR = SCB_DEMCR | 0x01000000; \
-DWT_CYCCNT = 0; \
-DWT_CTRL = DWT_CTRL | 1 ; } while(0)
-
-static int uitoa(unsigned int value, char * buf, int max) {
- int n = 0;
- int i = 0;
- unsigned int tmp = 0;
-
- if (NULL == buf)
- return -3;
-
- if (2 > max)
- return -4;
-
- i=1;
- tmp = value;
- if (0 > tmp) {
- tmp *= -1;
- i++;
- }
- for (;;) {
- tmp /= 10;
- if (0 >= tmp)
- break;
- i++;
- }
- if (i >= max) {
- buf[0] = '?';
- buf[1] = 0x0;
- return 2;
- }
-
- n = i;
- tmp = value;
- if (0 > tmp) {
- tmp *= -1;
- }
- buf[i--] = 0x0;
- for (;;) {
- buf[i--] = (tmp % 10) + '0';
- tmp /= 10;
- if (0 >= tmp) {
- break;
- }
- }
- if (-1 != i) {
- buf[i--] = '-';
- }
-
- return n;
-}
-
-void benchmark(void) {
- uint32_t i, pixels, ms, pps;
- char pps_str[25];
- coord_t height, width, rx, ry, rcx, rcy;
- color_t random_color;
- font_t font;
-
- gdispSetOrientation(GDISP_ROTATE_90);
- gdispClear(Black);
-
- width = gdispGetWidth();
- height = gdispGetHeight();
- font = gdispOpenFont("UI2 Double");
-
- gdispDrawStringBox(0, 0, width, 30, "ChibiOS/GFX - Benchmark", font, White, justifyCenter);
-
- font = gdispOpenFont("UI2");
- gdispDrawStringBox(0, height/2, width, 30, "5000 random rectangles", font, White, justifyCenter);
-
- chThdSleepMilliseconds(3000);
-
- /* seed for the rand() */
- srand(DWT_CYCCNT);
- pixels = 0;
-
- CPU_RESET_CYCLECOUNTER;
-
- for (i = 0; i < 5000; i++) {
- random_color = (rand() % 65535);
- rx = (rand() % (width-10));
- ry = (rand() % (height-10));
- rcx = (rand() % ((width-rx)-10))+10;
- rcy = (rand() % ((height-ry)-10))+10;
-
- gdispFillArea(rx, ry, rcx, rcy, random_color);
- pixels += (rcx+1)*(rcy+1);
- }
-
- ms = DWT_CYCCNT / 168000;
- pps = (float)pixels/((float)ms/1000.0f);
-
- memset (pps_str, 0, sizeof(pps_str));
- uitoa(pps, pps_str, sizeof(pps_str));
- strcat(pps_str, " Pixels/s");
-
- font = gdispOpenFont("UI2 Double");
- gdispClear(Black);
- gdispDrawStringBox(0, 0, width, 30, "ChibiOS/GFX - Benchmark", font, White, justifyCenter);
- gdispDrawStringBox(0, height/2, width, 30, pps_str, font, White, justifyCenter);
- //gdispDrawString(20, height/2, pps_str, font, White);
-}
-
-int main(void) {
- halInit();
- chSysInit();
- gdispInit();
-
- benchmark();
-
- while(TRUE) {
- chThdSleepMilliseconds(500);
- }
-
- return 0;
-}
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