163 lines
3.1 KiB
C
163 lines
3.1 KiB
C
//移动球应用
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#include "stdio.h"
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#include "sys.h"
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#include "systick.h"
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#include "key.h"
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#include "lcd.h"
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#include "hc12.h"
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#include "GameEngine.h"
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#include "APP_Ball.h"
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/**************************************** 私有定义 ****************************************/
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#define START_BYTE '&'
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typedef struct
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{
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uint16_t x;
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uint16_t y;
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} Ball;
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/*****************************************************************************************/
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/**************************************** 全局变量 ****************************************/
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Ball ball;
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/*****************************************************************************************/
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/**************************************** 私有函数 ****************************************/
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void APP_Ball_DispBall(void);
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void APP_Ball_Send(void);
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void APP_Ball_Receive(uint8_t byte);
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void WriteMem(void *pdata, uint32_t len, uint8_t *list);
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/*****************************************************************************************/
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/**
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* @brief 启动移动球
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*/
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void APP_Ball_Launcher(void)
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{
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HC12_BindReceiveHandle(APP_Ball_Receive);
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ball.x = 0;
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ball.y = 0;
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APP_Ball_DispBall();
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while (1)
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{
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switch (KEY_GetKeyWait())
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{
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case JOY_U_DOWN:
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{
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if (ball.y - 2 >= 0)
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{
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ball.y -= 2;
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APP_Ball_DispBall();
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APP_Ball_Send();
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}
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}
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break;
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case JOY_D_DOWN:
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{
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if (ball.y + 2 <= LCD_HEIGHT)
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{
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ball.y += 2;
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APP_Ball_DispBall();
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APP_Ball_Send();
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}
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}
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break;
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case JOY_L_DOWN:
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{
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if (ball.x - 2 >= 0)
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{
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ball.x -= 2;
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APP_Ball_DispBall();
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APP_Ball_Send();
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}
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}
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break;
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case JOY_R_DOWN:
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{
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if (ball.x + 2 <= LCD_WIDTH)
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{
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ball.x += 2;
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APP_Ball_DispBall();
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APP_Ball_Send();
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}
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}
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}
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}
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}
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void APP_Ball_DispBall(void)
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{
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GE_Draw_ClrAll(WHITE);
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GE_Draw_FillCircle(ball.x, ball.y, 10, BLUE);
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GE_Draw_Disp();
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}
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void APP_Ball_Send(void)
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{
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Ball pack;
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pack.x = ball.x;
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pack.y = ball.y;
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char start_byte = START_BYTE;
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HC12_SendBuff(&start_byte, sizeof(start_byte));
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HC12_SendBuff(&pack, sizeof(Ball));
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}
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void APP_Ball_Receive(uint8_t byte)
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{
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static uint8_t is_receiving = FALSE;
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static uint8_t list[4];
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static uint8_t list_i = 0;
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if (is_receiving == FALSE && byte == START_BYTE)
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{
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is_receiving = TRUE;
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return;
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}
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if (is_receiving == TRUE)
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{
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list[list_i] = byte;
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list_i++;
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if (list_i == 4)
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{
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WriteMem(&ball, sizeof(Ball), list);
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APP_Ball_DispBall();
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list_i = 0;
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is_receiving = FALSE;
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printf("收到小球位置：x=%d y=%d\n", ball.x, ball.y);
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}
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}
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}
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void WriteMem(void *pdata, uint32_t len, uint8_t *list)
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{
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uint8_t *p = (uint8_t *)pdata;
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for (uint32_t i = 0; i < len; i++)
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p[i] = list[i];
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}
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