first commit

application/samples/peripheral/pwm/CMakeLists.txt

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+#===============================================================================
+# @brief    cmake file
+# Copyright (c) HiSilicon (Shanghai) Technologies Co., Ltd. 2023-2023. All rights reserved.
+#===============================================================================
+set(SOURCES "${SOURCES}" "${CMAKE_CURRENT_SOURCE_DIR}/pwm_demo.c" PARENT_SCOPE)

application/samples/peripheral/pwm/Kconfig

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+#===============================================================================
+# @brief    Kconfig file.
+# Copyright (c) HiSilicon (Shanghai) Technologies Co., Ltd. 2023-2023. All rights reserved.
+#===============================================================================
+config PWM_CHANNEL
+    int
+    prompt "Choose PWM Test Channel."
+    depends on SAMPLE_SUPPORT_PWM
+    default 0
+
+config PWM_GROUP_ID
+    int
+    prompt "Choose PWM Test Group ID."
+    depends on SAMPLE_SUPPORT_PWM && PWM_USING_V151
+    default 0
+
+config PWM_PIN
+    int
+    prompt "Choose PWM pin."
+    depends on SAMPLE_SUPPORT_PWM
+    default 20
+
+config PWM_PIN_MODE
+    int
+    prompt "Choose PWM pin mode."
+    default 3
+    depends on SAMPLE_SUPPORT_PWM
+

application/samples/peripheral/pwm/pwm.code-workspace

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+{
+	"folders": [
+		{
+			"path": "../../../../"
+		}
+	],
+	"settings": {
+		"debug.onTaskErrors": "debugAnyway",
+		"workspace.samplePath": "./samples/peripheral/pwm"
+	}
+}

application/samples/peripheral/pwm/pwm_demo.c

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+/**
+ * Copyright (c) HiSilicon (Shanghai) Technologies Co., Ltd. 2023-2023. All rights reserved.
+ *
+ * Description: PWM Sample Source. \n
+ *
+ * History: \n
+ * 2023-06-27, Create file. \n
+ */
+#if defined(CONFIG_PWM_SUPPORT_LPM)
+#include "pm_veto.h"
+#endif
+#include "common_def.h"
+#include "pinctrl.h"
+#include "pwm.h"
+#include "tcxo.h"
+#include "soc_osal.h"
+#include "app_init.h"
+
+#define TEST_TCXO_DELAY_1000MS     1000
+
+#define PWM_TASK_PRIO              24
+#define PWM_TASK_STACK_SIZE        0x1000
+
+static errcode_t pwm_sample_callback(uint8_t channel)
+{
+    osal_printk("PWM %d, cycle done. \r\n", channel);
+    return ERRCODE_SUCC;
+}
+
+static void *pwm_task(const char *arg)
+{
+    UNUSED(arg);
+    pwm_config_t cfg_no_repeat = {
+        100,
+        100,
+        0,
+        0xFF,
+        false
+    };
+
+    uapi_pin_set_mode(CONFIG_PWM_PIN, CONFIG_PWM_PIN_MODE);
+    uapi_pwm_deinit();
+    uapi_pwm_init();
+    uapi_pwm_open(CONFIG_PWM_CHANNEL, &cfg_no_repeat);
+
+    uapi_tcxo_delay_ms((uint32_t)TEST_TCXO_DELAY_1000MS);
+    uapi_pwm_unregister_interrupt(CONFIG_PWM_CHANNEL);
+    uapi_pwm_register_interrupt(CONFIG_PWM_CHANNEL, pwm_sample_callback);
+#ifdef CONFIG_PWM_USING_V151
+    uint8_t channel_id = CONFIG_PWM_CHANNEL;
+    /* channel_id can also choose to configure multiple channels, and the third parameter also needs to be adjusted
+        accordingly. */
+    uapi_pwm_set_group(CONFIG_PWM_GROUP_ID, &channel_id, 1);
+    /* Here you can also call the uapi_pwm_start interface to open each channel individually. */
+    uapi_pwm_start_group(CONFIG_PWM_GROUP_ID);
+#else
+    uapi_pwm_start(CONFIG_PWM_CHANNEL);
+#endif
+
+    uapi_tcxo_delay_ms((uint32_t)TEST_TCXO_DELAY_1000MS);
+#ifdef CONFIG_PWM_USING_V151
+    uapi_pwm_close(CONFIG_PWM_GROUP_ID);
+#else
+    uapi_pwm_close(CONFIG_PWM_CHANNEL);
+#endif
+
+    uapi_tcxo_delay_ms((uint32_t)TEST_TCXO_DELAY_1000MS);
+    uapi_pwm_deinit();
+    return NULL;
+}
+
+static void pwm_entry(void)
+{
+    osal_task *task_handle = NULL;
+    osal_kthread_lock();
+    task_handle = osal_kthread_create((osal_kthread_handler)pwm_task, 0, "PwmTask", PWM_TASK_STACK_SIZE);
+    if (task_handle != NULL) {
+        osal_kthread_set_priority(task_handle, PWM_TASK_PRIO);
+    }
+    osal_kthread_unlock();
+}
+
+/* Run the pwm_entry. */
+app_run(pwm_entry);