【STM32WBA52CG】+3 外设应用一 按键和点灯
<div class='showpostmsg'> 本帖最后由 damiaa 于 2023-8-6 20:46 编辑<p><strong>【</strong><strong>STM32WBA52CG】+</strong><strong>3</strong><strong> STM32WBA </strong><strong>外设应用</strong><strong>一</strong> <strong>按键和</strong><strong>点灯</strong></p>
<p><a href="https://bbs.eeworld.com.cn/thread-1250745-1-1.html"><strong>【NUCLEO-WBA52CG】+</strong><strong>1开箱贴</strong></a></p>
<p><a href="https://bbs.eeworld.com.cn/thread-1250558-1-1.html"><strong>【</strong><strong>STM32WBA52CG】+2 STM32WBA Web Bluetooth试玩</strong></a> <strong>之后继续</strong></p>
<p>感觉外设的使用还是蛮有必要的，于是先玩玩这个吧。</p>
<p>新建一个项目</p>
<p></p>
<p>选择配置为缺省 生成代码如下</p>
<p></p>
<p>IO口是这样的：</p>
<p></p>
<p></p>
<p><strong></strong></p>
<p><strong>加入控制led的代码</strong></p>
<p> </p>
<pre>
<code>while (1)
{
HAL_GPIO_WritePin(GPIOB, LD2_Pin|LD3_Pin|LD1_Pin, GPIO_PIN_SET);
HAL_Delay(1000);
HAL_GPIO_WritePin(GPIOB, LD2_Pin|LD3_Pin|LD1_Pin, GPIO_PIN_RESET);
HAL_Delay(1000);
HAL_GPIO_WritePin(GPIOB, LD1_Pin, GPIO_PIN_SET);
HAL_Delay(1000);
HAL_GPIO_WritePin(GPIOB, LD1_Pin, GPIO_PIN_RESET);
HAL_Delay(1000);
HAL_GPIO_WritePin(GPIOB, LD2_Pin, GPIO_PIN_SET);
HAL_Delay(1000);
HAL_GPIO_WritePin(GPIOB, LD2_Pin, GPIO_PIN_RESET);
HAL_Delay(1000);
HAL_GPIO_WritePin(GPIOB, LD3_Pin, GPIO_PIN_SET);
HAL_Delay(1000);
HAL_GPIO_WritePin(GPIOB, LD3_Pin, GPIO_PIN_RESET);
HAL_Delay(1000);
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */
}</code></pre>
<p><strong>结果：</strong></p>
<p><strong></strong></p>
<p><strong></strong></p>
<p><strong></strong></p>
<p><strong>按键如下：</strong></p>
<p><strong></strong></p>
<p><strong>下面测试按键和led</strong></p>
<p><strong>修改主程序代码如下：</strong></p>
<pre>
<code>void key_check(void){
uint8_t keyval1 = HAL_GPIO_ReadPin( B1_GPIO_Port, B1_Pin);
if(keyval1 == 1)
HAL_GPIO_WritePin(GPIOB, LD1_Pin, GPIO_PIN_SET);
else
HAL_GPIO_WritePin(GPIOB, LD1_Pin, GPIO_PIN_RESET);
uint8_t keyval2 = HAL_GPIO_ReadPin( B2_GPIO_Port, B2_Pin);
if(keyval2 == 1)
HAL_GPIO_WritePin(GPIOB, LD2_Pin, GPIO_PIN_SET);
else
HAL_GPIO_WritePin(GPIOB, LD2_Pin, GPIO_PIN_RESET);
uint8_t keyval3 = HAL_GPIO_ReadPin( B3_GPIO_Port, B3_Pin);
if(keyval3 == 1)
HAL_GPIO_WritePin(GPIOB, LD3_Pin, GPIO_PIN_SET);
else
HAL_GPIO_WritePin(GPIOB, LD3_Pin, GPIO_PIN_RESET);
}
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
while (1)
{
if(1) //测试按键和led
{
key_check();
HAL_Delay(100);
}
if(0)//测试led
{
HAL_GPIO_WritePin(GPIOB, LD2_Pin|LD3_Pin|LD1_Pin, GPIO_PIN_SET);
HAL_Delay(1000);
HAL_GPIO_WritePin(GPIOB, LD2_Pin|LD3_Pin|LD1_Pin, GPIO_PIN_RESET);
HAL_Delay(1000);
HAL_GPIO_WritePin(GPIOB, LD1_Pin, GPIO_PIN_SET);
HAL_Delay(1000);
HAL_GPIO_WritePin(GPIOB, LD1_Pin, GPIO_PIN_RESET);
HAL_Delay(1000);
HAL_GPIO_WritePin(GPIOB, LD2_Pin, GPIO_PIN_SET);
HAL_Delay(1000);
HAL_GPIO_WritePin(GPIOB, LD2_Pin, GPIO_PIN_RESET);
HAL_Delay(1000);
HAL_GPIO_WritePin(GPIOB, LD3_Pin, GPIO_PIN_SET);
HAL_Delay(1000);
HAL_GPIO_WritePin(GPIOB, LD3_Pin, GPIO_PIN_RESET);
HAL_Delay(1000);
}
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */
}
/* USER CODE END 3 */
}</code></pre>
<p><strong>测试结果：</strong></p>
<p><strong></strong></p>
<p><strong></strong></p>
<p><strong></strong></p>
<p><strong>谢谢大家</strong></p>
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