触摸屏使用案例

1.1.3软件设计

int main(void) { /* 初始化系统时钟*/ system_clock_config(); /* 初始化中断优先级分组*/ nvic_priority_group_config(NVIC_PRIORITY_GROUP_4); /* 初始化延时函数*/ delay_init(); /* 初始化LCD */ lcd_init(LCD_DISPLAY_VER tiCAL); /* 初始化触摸芯片*/ touch_init(TOUCH_SCAN_VERTICAL); /* 显示信息*/ lcd_string_show(10, 20, 200, 24, 24, (uint8_t *)"Touch Test"); while(1) { lcd_string_show(10, 60, 200, 24, 24, (uint8_t *)"X:"); lcd_string_show(10, 90, 200, 24, 24, (uint8_t *)"Y:"); /* 读取触摸坐标*/ if(touch_read_xy(x_dot, y_dot) == SUCCESS) { /* 显示X 坐标*/ lcd_num_show(40, 60, 200, 24, 24, x_dot[0], 3); /* 显示Y 坐标*/ lcd_num_show(40, 90, 200, 24, 24, y_dot[0], 3); } } }

/** * @Briefthis function is init touch. * @paramnone * @retval function execution result. * - SUCCESS. * - ERROR. */ error_status touch_init(void)

/** * @brief this function is read data from touch. * @param x/y : coordinate vaule. * @retval function execution result. * - SUCCESS. * - ERROR. */ error_status touch_read_xy(uint16_t *x, uint16_t *y)

1.1.4下载验证