更新硬件SDK

sdk/合宙/air780e/csdk/luatos-soc-2022/project/example_pwm/src/example_main.c

@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2022 OpenLuat & AirM2M
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include "common_api.h"
+#include "luat_rtos.h"
+#include "luat_debug.h"
+
+#include "luat_pwm.h"
+
+
+luat_rtos_task_handle pwm_task_handle;
+
+static void task_test_pwm(void *param)
+{
+    luat_rtos_task_sleep(5000);
+    /*打开PWM，依次设置PWM通道，设置PWM频率，设置占空比，PWM个数*/
+    /*注意：若需要使用设置PWM个数时，PWM频率不宜高于50K*/
+    /*      若高于50K可能会多出几个个数的现象*/
+
+    /*int luat_pwm_update_dutycycle(int channel,size_t pulse);函数使用方法*/
+    /*此函数为修改PWM占空比函数，可在完成配置并打开PWM输出后，根据使用者需求改变PWM输出占空比*/
+    /*可用于whiile 循环中，int channel 参数为要修改的PWM通道，size_t pulse 参数为将要输出的目标占空比*/
+    /*使用者根据自身使用需求填入相应参数数值即可*/
+
+    switch(luat_pwm_open(4,1,50,10))
+    {
+        case -1:
+            LUAT_DEBUG_PRINT("pwm channel err");
+        break;
+        case -2:
+            LUAT_DEBUG_PRINT("pwm period err");
+        break;
+        case -3:
+            LUAT_DEBUG_PRINT("pwm pulse err");
+        break;
+        case -4:
+            LUAT_DEBUG_PRINT("pwm hardware timer used");
+        break;
+        default :
+            break;
+    }
+    while(1)
+	{
+        luat_rtos_task_sleep(1000);
+		LUAT_DEBUG_PRINT("==================pwm run1==================");
+	} 
+    
+}
+
+static void task_demo_pwm(void)
+{
+    luat_rtos_task_create(&pwm_task_handle, 1024, 20, "pwm", task_test_pwm, NULL, NULL);
+}
+
+INIT_TASK_EXPORT(task_demo_pwm,"1");
+
+
+