STM32 驱动直流无刷电机(BLDC)发声
STM32驱动直流无刷电机(BLDC)发声
- ✨需要注意,这是驱动直流无刷电机(BLDC)发出声音,不是直接驱动无刷电机转动。
- 📍内容移植参考:
ttps://github.com/AlkaMotors/AM32-MultiRotor-ESC-firmware
- 📍Arduino平台BLDC Music开源工程:
https://github.com/owennewo/tone-player
- 🔖测试单片机:STM32L431、STM32F446.
在很多商业用的电调中,基本都带,在上电自检或设置以及输入信号检测时,电机会发出提示声音。BLDC电机在在PWM调制过程中,电机的绕组在不同开关频率下工作时,产生不同分贝的噪声。
📘基于AM32-MultiRotor-ESC-firmware
实现发声的主要实现代码
- 🌿sounds.c
/** sounds.c** Created on: May 13, 2020* Author: Alka*/#include "sounds.h"
#include "phaseouts.h"
#include "functions.h"
//#include "eeprom.h"
#include "targets.h"
#include "common.h"uint8_t beep_volume;//uint8_t blueJayTuneBuffer[128] = {};void pause(uint16_t ms) {TIM1->CCR1 = 0; // volume of the beep, (duty cycle) don't go above 25TIM1->CCR2 = 0;TIM1->CCR3 = 0;delayMillis(ms);TIM1->CCR1 = beep_volume; // volume of the beep, (duty cycle) don't go above 25 out of 2000蜂鸣声的音量(占空比)在2000中不超过25TIM1->CCR2 = beep_volume;TIM1->CCR3 = beep_volume;
}void setVolume(uint8_t volume) {if (volume > 11) {volume = 11;}if (volume < 0) {volume = 0;}beep_volume = volume * 2; // volume variable from 0 - 11 equates to CCR value of 0-22
}void setCaptureCompare() {TIM1->CCR1 = beep_volume; // volume of the beep, (duty cycle) don't go above 25 out of 2000TIM1->CCR2 = beep_volume;TIM1->CCR3 = beep_volume;
}void playBJNote(uint16_t freq, uint16_t bduration) { // hz and msuint16_t timerOne_reload = TIM1_AUTORELOAD;TIM1->PSC = 10;timerOne_reload = CPU_FREQUENCY_MHZ * 100000 / freq;TIM1->ARR = timerOne_reload;TIM1->CCR1 = beep_volume * timerOne_reload / TIM1_AUTORELOAD ; // volume of the beep, (duty cycle) don't go above 25 out of 2000TIM1->CCR2 = beep_volume * timerOne_reload / TIM1_AUTORELOAD;TIM1->CCR3 = beep_volume * timerOne_reload / TIM1_AUTORELOAD;delayMillis(bduration);
}uint16_t getBlueJayNoteFrequency(uint8_t bjarrayfreq) {return 10000000 / (bjarrayfreq * 247 + 4000);
}void playStartupTune() {__disable_irq();TIM1->ARR = TIM1_AUTORELOAD;setCaptureCompare();comStep(3); // activate a pwm channelTIM1->PSC = 55; // frequency of beepdelayMillis(200); // duration of beepcomStep(5);TIM1->PSC = 40; // next beep is higher frequencydelayMillis(200);comStep(6);TIM1->PSC = 25; // higher again..delayMillis(200);allOff(); // turn all channels low againTIM1->PSC = 0; // set prescaler back to 0.TIM1->ARR = TIMER1_MAX_ARR;__enable_irq();
}void playBrushedStartupTune() {__disable_irq();TIM1->ARR = TIM1_AUTORELOAD;setCaptureCompare();comStep(1); // activate a pwm channelTIM1->PSC = 40; // frequency of beepdelayMillis(300); // duration of beepcomStep(2); // activate a pwm channelTIM1->PSC = 30; // frequency of beepdelayMillis(300); // duration of beepcomStep(3); // activate a pwm channelTIM1->PSC = 25; // frequency of beepdelayMillis(300); // duration of beepcomStep(4);TIM1->PSC = 20; // higher again..delayMillis(300);allOff(); // turn all channels low againTIM1->PSC = 0; // set prescaler back to 0.
// signaltimeout = 0;TIM1->ARR = TIMER1_MAX_ARR;__enable_irq();
}void playDuskingTune() {setCaptureCompare();TIM1->ARR = TIM1_AUTORELOAD;comStep(2); // activate a pwm channelTIM1->PSC = 60; // frequency of beepdelayMillis(200); // duration of beepTIM1->PSC = 55; // next beep is higher frequencydelayMillis(150);TIM1->PSC = 50; // higher again..delayMillis(150);TIM1->PSC = 45; // frequency of beepdelayMillis(100); // duration of beepTIM1->PSC = 50; // next beep is higher frequencydelayMillis(100);TIM1->PSC = 55; // higher again..delayMillis(100);TIM1->PSC = 25; // higher again..delayMillis(200);TIM1->PSC = 55; // higher again..delayMillis(150);allOff(); // turn all channels low againTIM1->PSC = 0; // set prescaler back to 0.TIM1->ARR = TIMER1_MAX_ARR;
}void playInputTune2() {TIM1->ARR = TIM1_AUTORELOAD;__disable_irq();
// LL_IWDG_ReloadCounter(IWDG);TIM1->PSC = 60;setCaptureCompare();comStep(1);delayMillis(75);TIM1->PSC = 80;delayMillis(75);TIM1->PSC = 90;
// LL_IWDG_ReloadCounter(IWDG);delayMillis(75);allOff();TIM1->PSC = 0;
// signaltimeout = 0;TIM1->ARR = TIMER1_MAX_ARR;__enable_irq();
}void playInputTune() {__disable_irq();TIM1->ARR = TIM1_AUTORELOAD;
// LL_IWDG_ReloadCounter(IWDG);TIM1->PSC = 80;setCaptureCompare();comStep(3);delayMillis(100);TIM1->PSC = 70;delayMillis(100);TIM1->PSC = 40;delayMillis(100);allOff();TIM1->PSC = 0;
// signaltimeout = 0;TIM1->ARR = TIMER1_MAX_ARR;__enable_irq();
}void playDefaultTone() {TIM1->ARR = TIM1_AUTORELOAD;TIM1->PSC = 50;setCaptureCompare();comStep(2);delayMillis(150);
// LL_IWDG_ReloadCounter(IWDG);TIM1->PSC = 30;delayMillis(150);allOff();TIM1->PSC = 0;
// signaltimeout = 0;TIM1->ARR = TIMER1_MAX_ARR;}void playChangedTone() {TIM1->ARR = TIM1_AUTORELOAD;TIM1->PSC = 40;setCaptureCompare();comStep(2);delayMillis(150);
// LL_IWDG_ReloadCounter(IWDG);TIM1->PSC = 80;delayMillis(150);allOff();TIM1->PSC = 0;
// signaltimeout = 0;TIM1->ARR = TIMER1_MAX_ARR;}void playBeaconTune3() {TIM1->ARR = TIM1_AUTORELOAD;__disable_irq();setCaptureCompare();for (int i = 119 ; i > 0 ; i = i - 2) {
// LL_IWDG_ReloadCounter(IWDG);comStep(i / 20);TIM1->PSC = 10 + (i / 2);delayMillis(10);}allOff();TIM1->PSC = 0;TIM1->ARR = TIMER1_MAX_ARR;__enable_irq();
}
- 🌿main测试代码:
int main(void)
{/* USER CODE BEGIN 1 *//* USER CODE END 1 *//* MCU Configuration--------------------------------------------------------*//* Reset of all peripherals, Initializes the Flash interface and the Systick. */HAL_Init();/* USER CODE BEGIN Init *//* USER CODE END Init *//* Configure the system clock */SystemClock_Config();/* USER CODE BEGIN SysInit *//* USER CODE END SysInit *//* Initialize all configured peripherals */MX_GPIO_Init();MX_COMP1_Init();MX_TIM1_Init();MX_TIM6_Init();MX_TIM16_Init();MX_USART2_UART_Init();// MX_IWDG_Init();MX_TIM7_Init();/* USER CODE BEGIN 2 */HAL_TIM_Base_Start(&htim6);HAL_TIM_Base_Start(&htim7);HAL_TIM_Base_Start(&htim16);HAL_TIM_GenerateEvent(&htim1, TIM_EVENTSOURCE_UPDATE);PWM_Init();TIMER1_MAX_ARR = map(35, 24, 48, TIM1_AUTORELOAD, TIM1_AUTORELOAD / 2);//24 - 48鑼冨洿// TIMER1_MAX_ARR = map(20, 12, 24, TIM1_AUTORELOAD * 2, TIM1_AUTORELOAD); //12 - 24鑼冨洿// TIMER1_MAX_ARR = map(10, 7, 16, TIM1_AUTORELOAD * 3, TIM1_AUTORELOAD / 2 * 3);//7 - 16鑼冨洿TIM1->ARR = TIMER1_MAX_ARR;setVolume(5);/* USER CODE END 2 *//* Infinite loop *//* USER CODE BEGIN WHILE */while(1) {/* USER CODE END WHILE *//* USER CODE BEGIN 3 */printf("from playInputTune Sound.\r\n");playInputTune();//这个几乎听不到声音LL_GPIO_TogglePin(LED_GPIO_Port, LED_Pin);HAL_Delay(2500);printf("from playInputTune2 Sound.\r\n");playInputTune2();LL_GPIO_TogglePin(LED_GPIO_Port, LED_Pin);HAL_Delay(2500);printf("from playInputTune3 Sound.\r\n");playBeaconTune3();LL_GPIO_TogglePin(LED_GPIO_Port, LED_Pin);HAL_Delay(2500);}/* USER CODE END 3 */
}
📚测试工程
- 🔖STM32L431
链接:https://pan.baidu.com/s/1hdn-vaNXe4UvFgnPtAgJlA?pwd=ikvv
提取码:ikvv
📘Arduino tone-player项目简介
- 🔖工程基于VSCode platformio ,基于Arduino平台。直接使用VSCode打开,如果安装了STM32相关固件,会自动加载并安装相对应的库。(编译工程时,不要有中文路径名,否则会在最终生成文件时报错)
- 🛠上传支持:stlink cmsis-dap, jlink
-🌟 如果点击烧录时,OpenOCD上传报错,可以直接选择对应生成的.bin文件进行烧录。
Error: timed out while waiting for target halted
embedded:startup.tcl:1516: Error: ** Unable to reset target **
in procedure 'program'
in procedure 'program_error' called at file "embedded:startup.tcl", line 1553
at file "embedded:startup.tcl", line 1516
*** [upload] Error 1
========================================= [FAILED] Took 194.56 seconds =========================================
- 👉修改路径下:
C:\Users\Administrator\.platformio\packages\tool-openocd\openocd\scripts\board
相关型号对应的.cfg文件:
- 🔖将cfg里面的
reset_config srst_only
改为reset_config none
.
- 🔧工程依赖
SimpleFOC
、SimpleFOCDrivers
库 - 📄包含以下音乐内容:
- RTTTL_CROATIA
- RTTTL_FRANCE
- RTTTL_WALES
- RTTTL_USA
- RTTTL_SIMPSONS
- RTTTL_PINK_PANTHER
- RTTTL_SUPER_MARIO_BROS
- RTTTL_SUPER_MARIO_BROS_BASS
- RTTTL_SUPER_MARIO_BROS_POLY
- 🌿在运行时,串口2(PA2,PA3)会打印当前频率: