141 lines
3.4 KiB
C
141 lines
3.4 KiB
C
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#include <app_cfg.h>
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#include <os.h>
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#include <stdio.h>
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#include <lib_mem.h>
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#include <lib_math.h>
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#include <SDL2/SDL.h>
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#undef main
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#include "lcd.h"
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static OS_TCB App_TaskStartTCB;
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static CPU_STK_SIZE App_TaskStartStk[APP_CFG_TASK_START_STK_SIZE];
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static void App_TaskStart(void *p_arg);
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static OS_TCB gfxTCB;
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static CPU_STK_SIZE gfxStk[APP_CFG_TASK_START_STK_SIZE];
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static void gfxThread(void *arg);
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static int running = 0;
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void drawRect(int x, int y, int width, int height, uint16_t color)
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{
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int x_max = x + width;
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int y_max = y + height;
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if(x_max > lcd_screenWidth()) x_max = lcd_screenWidth();
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if(y_max > lcd_screenHeight()) y_max = lcd_screenHeight();
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uint16_t *buf = (uint16_t *)(lcd_getFrameBuffer());
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for(int i=y; i < y_max; i++)
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{
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for(int j=x; j < x_max; j++)
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{
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buf[j + i*lcd_screenWidth()] = color;
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}
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}
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}
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void clearScreen()
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{
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uint16_t *buf = (uint16_t *)(lcd_getFrameBuffer());
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for(int i=0; i < lcd_screenHeight(); i++)
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{
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for(int j=0; j < lcd_screenWidth(); j++)
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{
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buf[j + i*lcd_screenWidth()] = 0xFFFF;
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}
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}
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}
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int main (void)
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{
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OS_ERR err;
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running = 1;
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OSInit(&err);
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OS_CPU_SysTickInit();
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OSTaskCreate((OS_TCB *)&App_TaskStartTCB,
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(CPU_CHAR *)"App Task Start",
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(OS_TASK_PTR ) App_TaskStart,
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(void *) 0,
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(OS_PRIO ) APP_CFG_TASK_START_PRIO,
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(CPU_STK *)&App_TaskStartStk[0],
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(CPU_STK )(APP_CFG_TASK_START_STK_SIZE / 10u),
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(CPU_STK_SIZE) APP_CFG_TASK_START_STK_SIZE,
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(OS_MSG_QTY ) 0,
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(OS_TICK ) 0,
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(void *) 0,
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(OS_OPT )(OS_OPT_TASK_STK_CHK | OS_OPT_TASK_STK_CLR),
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(OS_ERR *)&err);
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OSTaskCreate((OS_TCB *)&gfxTCB,
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(CPU_CHAR *)"gfx",
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(OS_TASK_PTR ) gfxThread,
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(void *) 0,
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(OS_PRIO ) APP_CFG_TASK_START_PRIO,
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(CPU_STK *)&gfxStk[0],
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(CPU_STK )(APP_CFG_TASK_START_STK_SIZE / 10u),
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(CPU_STK_SIZE) APP_CFG_TASK_START_STK_SIZE,
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(OS_MSG_QTY ) 0,
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(OS_TICK ) 0,
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(void *) 0,
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(OS_OPT )(OS_OPT_TASK_STK_CHK | OS_OPT_TASK_STK_CLR),
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(OS_ERR *)&err);
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OSStart(&err);
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printf("OSStart returned, quitting\n");
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return 0;
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}
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static void App_TaskStart(void *p_arg)
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{
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(void) p_arg;
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OS_ERR os_err;
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// OS_CPU_SysTickInit();
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while (running)
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{
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printf("uCOS-III is running.\n");
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OSTimeDlyHMSM(0u, 0u, 1u, 0u, OS_OPT_TIME_HMSM_STRICT, &os_err);
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}
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exit(1);
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}
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static void gfxThread(void *arg)
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{
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(void) arg;
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OS_ERR os_err;
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int pos = 0;
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SDL_Event eventListener;
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lcd_init();
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while(1)
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{
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SDL_PollEvent(&eventListener);
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if(eventListener.type == SDL_QUIT) break;
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clearScreen();
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drawRect(0, pos, lcd_screenWidth(), 20, 0xF800);
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lcd_render();
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while(lcd_renderingInProgress()) ;
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pos += 20;
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if(pos > lcd_screenHeight() - 20) pos = 0;
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OSTimeDlyHMSM(0u, 0u, 0u, 100u, OS_OPT_TIME_HMSM_STRICT, &os_err);
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}
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running = 0;
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OSTimeDlyHMSM(0u, 0u, 0u, 100u, OS_OPT_TIME_HMSM_STRICT, &os_err);
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lcd_terminate();
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}
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