pwm 50hz的频率测试正常

apps/earphone/xtell_remote_control/pwm_test.c

@@ -0,0 +1,89 @@
+#include "asm/mcpwm.h"
+#include "asm/gpio.h"
+#include "task_func.h"
+#include "./nvs/nvs.h"
+#include "timer.h"
+#include "system/includes.h"
+#include "user_cfg.h"
+#include "earphone.h" // 宏定义 EARPHONE_STATE_...
+#include "ble_user.h"
+#include "le_client_demo.h"
+#include "le_common.h"
+#include "./ble_handler/client_handler.h"
+#include "./RFID/include/rfid_main.h"
+#include "./RFID/include/READER_REG.h"
+/*
+ * PWM配置参数:
+ * - 周期: 50ms (20Hz)
+ * - 最小脉宽: 500us (1%占空比)
+ * - 最大脉宽: 2.5ms (5%占空比)
+ * - PWM引脚: PA1 (IO_PORTA_01)
+ */
+
+void pwm_test_init(void)
+{
+    struct pwm_platform_data pwm_data = {0};
+    
+    // 配置PWM参数
+    pwm_data.pwm_aligned_mode = pwm_edge_aligned;  // 边沿对齐模式
+    pwm_data.pwm_ch_num = pwm_ch0;                 // 使用PWM通道0
+    pwm_data.frequency = 50;                       // 20Hz (周期50ms)
+    pwm_data.duty = 100;                           // 初始占空比1% (500us/50ms = 1%)
+    pwm_data.h_pin = IO_PORTA_01;                  // PWM输出引脚PA1
+    pwm_data.l_pin = -1;                           // 不使用互补引脚
+    pwm_data.complementary_en = 0;                 // 非互补模式
+    
+    // 初始化PWM
+    mcpwm_init(&pwm_data);
+    
+    // 启用PWM通道
+    mcpwm_open(pwm_ch0);
+}
+
+// 设置PWM占空比 (脉宽范围: 500us-2.5ms)
+void pwm_test_set_pulse_width_us(u32 pulse_width_us)
+{
+    u16 duty;
+    
+    // 限制脉宽范围: 500us - 2500us
+    if (pulse_width_us < 500) {
+        pulse_width_us = 500;
+    } else if (pulse_width_us > 2500) {
+        pulse_width_us = 2500;
+    }
+    
+    // 计算占空比: (脉宽/周期) * 10000
+    // 周期20ms = 20000us
+    duty = (pulse_width_us * 10000) / 20000;
+    
+    // 设置占空比
+    mcpwm_set_duty(pwm_ch0, duty);
+}
+
+// 测试函数: 从最小脉宽到最大脉宽循环变化
+void pwm_test_sweep(void)
+{
+    u32 pulse_width;
+    
+    pwm_test_set_pulse_width_us(500);
+    mdelay(1000);
+    pwm_test_set_pulse_width_us(2500);
+    mdelay(50);
+    
+}
+
+// 主测试函数
+void pwm_test_main(void)
+{
+    // 初始化PWM
+    pwm_test_init();
+    
+    // 设置最小脉宽500us
+    pwm_test_set_pulse_width_us(500);
+    
+    // 运行脉宽扫描测试
+    while (1) {
+        pwm_test_sweep();
+        os_time_dly(100);
+    }
+}

apps/earphone/xtell_remote_control/task_func.c

@@ -279,26 +279,26 @@ void contol_key_task(void){
     control_key_init();  //遥感按键初始化
 
     while(1){
-        // extern u16 get_vbat_level(void);
-        // vbat_value = get_vbat_level(); //当前电量
-        // control_key_get_value(&Xout_adc, &Yout_adc, &key1_state, NULL); //遥感值
-        // ble_data_buff[4] = (u8)(Yout_adc & 0xFF);
-        // ble_data_buff[5] = (u8)((Yout_adc >> 8) & 0xFF);
+        extern u16 get_vbat_level(void);
+        vbat_value = get_vbat_level(); //当前电量
+        control_key_get_value(&Xout_adc, &Yout_adc, &key1_state, NULL); //遥感值
+        ble_data_buff[4] = (u8)(Yout_adc & 0xFF);
+        ble_data_buff[5] = (u8)((Yout_adc >> 8) & 0xFF);
 
-        // ble_data_buff[6] = (u8)(Xout_adc & 0xFF);
-        // ble_data_buff[7] = (u8)((Xout_adc >> 8) & 0xFF);
+        ble_data_buff[6] = (u8)(Xout_adc & 0xFF);
+        ble_data_buff[7] = (u8)((Xout_adc >> 8) & 0xFF);
 
-        // ble_data_buff[8] = key1_state;
-        // ble_data_buff[9] = 0x01;
+        ble_data_buff[8] = key1_state;
+        ble_data_buff[9] = 0x01;
 
-        // ble_data_buff[10] = get_vbat_percent();
+        ble_data_buff[10] = get_vbat_percent();
 
-        // ble_data_buff[11] = 0;
-        // for(int i = 0 ;i < 11; i++){
-        //     ble_data_buff[11] += ble_data_buff[i];
-        // }
+        ble_data_buff[11] = 0;
+        for(int i = 0 ;i < 11; i++){
+            ble_data_buff[11] += ble_data_buff[i];
+        }
 
-        u8 test_buff[12] = {0xBE,0xBB,0x09,0x01,0x50,0x50,0x50,0x50,0x01,0x01,0x50,0x15};
+        // u8 test_buff[12] = {0xBE,0xBB,0x09,0x01,0x50,0x50,0x50,0x50,0x01,0x01,0x50,0x15};
         g_send_data_to_ble_server(ble_data_buff, sizeof(ble_data_buff));
         /*
         1000
@@ -485,7 +485,9 @@ void test_task(void){
 void test_func_main(void){
     #if TEST_FUNCTION == 1
 
-    os_task_create(test_task, NULL, 1, 1024, 128, "rfid_test");
+    // os_task_create(test_task, NULL, 1, 1024, 128, "rfid_test");
+    extern void pwm_test_main(void);
+    os_task_create(pwm_test_main, NULL, 1, 1024, 128, "pwm_test");
     // os_task_create(contol_key_task, NULL, 1, 2048, 128, control_key_task_name);
 
     #endif

apps/earphone/xtell_remote_control/xtell_app_main.c

@@ -139,5 +139,5 @@ void xtell_app_main()
 
 
     extern void test_func_main(void);
-    // test_func_main();
+    test_func_main();
 }