鸿蒙开发板Hi3861_通过GPIO12 PWM蜂鸣器播放＜涛声依旧＞-—

//通过PWM蜂鸣器实验-A12连接, A12接长脚，蜂鸣器短脚接GND

编译报错参考：

https://blog.csdn.net/txwtech/article/details/119853772

//通过PWM蜂鸣器实验-A12连接, A12接长脚，蜂鸣器短脚接GND
//，by txwtech
#include <stdio.h>
#include "ohos_init.h"
#include "cmsis_os2.h"
#include "iot_gpio.h"
#include "hi_io.h"
#include "iot_pwm.h"
#include "hi_pwm.h"
#include "hi_time.h"
int count1=0;//音符对照表：
//https://www.cnblogs.com/developer-huawei/p/13959852.html
static const uint16_t g_tuneFreqs[]={0,38223, // 1 1046.5,-34052, // 2 1174.7,--30338, // 3 1318.5,--28635, // 4 1396.4,--25511, // 5 1568,---22728, // 6 1760,---20249, // 7 1975.5,---  51021,//  8,5_低音 783.99,   40M=40*1000*1000, 40M/783.99=5102145454,//  9,6_     880.0040495,//  10,7_     987.77    };
static const uint8_t g_scoreNotes[] = {// 《两只老虎》简谱1, 2, 3, 1,    1, 2, 3, 1,   3, 4, 5,  3, 4, 5,5, 6, 5, 4, 3, 1,  5, 6, 5, 4, 3, 1,   1, 8, 1,  1, 8, 1,
};
static const uint8_t g_scoreNotes_txwtech[] = {// 《涛声依旧》简谱6,6,3,5,  6,5,5,1,2,3,3,  3,5,6,5,3,2,3,0,6,5,3,5, 1, 9,8,8,9,1,2,2,   2,6,3,      5,6,5,};// 曲谱时值
static const uint8_t g_scoreDurations[] = {4, 4, 4, 4,    4, 4, 4, 4,   4, 4, 8,  4, 4, 8,3, 1, 3, 1, 4, 4,  3, 1, 3, 1, 4, 4,   4, 4, 8,  4, 4, 8,
};
//txwtech
static const uint8_t g_scoreDurations_txwtech[] = {4, 4, 4, 4,  2,2,4,    2, 2, 4, 4,   2, 4, 1, 1, 2,2, 8,1,4,4,2,2,     4, 2, 2, 4,2,2,4,4,       2,4, 2,    2, 2, 8,
};static void GpioTask(void *arg)
{(void) arg;uint32_t tune;uint16_t freqDivisor;uint32_t tuneInterval;hi_gpio_init();hi_io_set_func(HI_IO_NAME_GPIO_12,HI_IO_FUNC_GPIO_12_PWM3_OUT);  // hi_pwm_init(HI_PWM_PORT_PWM3);  //  hi_pwm_set_clock(PWM_CLK_160M);   hi_pwm_set_clock(PWM_CLK_XTAL);  //while(1){IotGpioValue val=IOT_GPIO_VALUE0;IoTGpioGetOutputVal(HI_IO_NAME_GPIO_12,&val);count1=sizeof(g_tuneFreqs)/sizeof(g_tuneFreqs[0]);printf("count is:  %d\n",count1);printf("execute pwm,value: %d\n",val);if(0){for(size_t i=0;i<sizeof(g_scoreNotes)/sizeof(g_scoreNotes[0]);i++){tune=g_scoreNotes[i];//简谱标记freqDivisor=g_tuneFreqs[tune];//对应的频率tuneInterval=g_scoreDurations[i]*(125 * 1000);//声音的延迟hi_pwm_start(HI_PWM_PORT_PWM3,freqDivisor/2,freqDivisor);//osDelay(tuneInterval);hi_udelay(tuneInterval);hi_pwm_stop(HI_PWM_PORT_PWM3);}}if(1){for(size_t i=0;i<sizeof(g_scoreNotes_txwtech)/sizeof(g_scoreNotes_txwtech[0]);i++){tune=g_scoreNotes_txwtech[i];//简谱标记---freqDivisor=g_tuneFreqs[tune];//对应的频率tuneInterval=g_scoreDurations_txwtech[i]*(125 * 1000);//声音的延迟---hi_pwm_start(HI_PWM_PORT_PWM3,freqDivisor/2,freqDivisor);hi_udelay(tuneInterval);hi_pwm_stop(HI_PWM_PORT_PWM3);}}//验证音准// for(size_t i=0;i<sizeof(g_tuneFreqs)/sizeof(g_tuneFreqs[0]);i++)//  {// tune=g_tuneFreqs[i];//简谱标记---// freqDivisor=tune;// hi_pwm_start(HI_PWM_PORT_PWM3,freqDivisor/2,freqDivisor);// hi_udelay(3*125 * 1000);// hi_pwm_stop(HI_PWM_PORT_PWM3);// }}
}
static void GpioEntry(void)
{osThreadAttr_t attr={0};attr.name="GpioTask";attr.stack_size=4096;attr.priority=osPriorityNormal;if(osThreadNew(GpioTask,NULL,&attr)==NULL){printf("[GpioEntry] create GpioTask failed!\n");}
}
SYS_RUN(GpioTask);
//SYS_RUN(GpioEntry);

build.gn

static_library("pwm_tone_test") {sources = [ "pwm_tone_test.c"]include_dirs = ["//third_party/cmsis/CMSIS/RTOS2/Include","//utils/native/lite/include","//kernel/liteos_m/components/cmsis/2.0","//base/iot_hardware/peripheral/interfaces/kits","//device/hisilicon/hispark_pegasus/sdk_liteos/include"]
}

app目录build.gn

# Copyright (c) 2020 Huawei Device Co., Ltd.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.import("//build/lite/config/component/lite_component.gni")lite_component("app") {features = ["pwm_tone_test",]
}

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