Description: 这是ARM7的一个蜂鸣器的驱动程序，可以驱动蜂鸣器的响，可以用ARM开发板的报警电路的驱动。-This is an ARM7 buzzer driver can drive the ring buzzer can be used to ARM development board alarm driver circuit. Platform: |
Size: 1024 |
Author:张海霞 |
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Description: 为44B0的测试代码，可以测试蜂鸣器，IIS 播放WAV文件，USB点灯，按键，串行FLASH，IDE硬盘 LCD等。
0 : Please input a number
1 : Memory test
2 : Timer PWM test ( Beep )
3 : IIC EEPROM test
4 : ADC test
5 : Download File by uart(DNW)
6 : IIS Play test(Please download *.wav by Uart first)
7 : PDIUSBD12 test
8 : LCD test Mono
9 : LCD test Mono printf string
10 : LCD test Grey 4
11 : LCD test Gray 16
12 : LCD test Color 256
13 : Interrupt test
14 : Get IDE information-Test code for the 44B0, you can test buzzer, IIS plays WAV files, USB lamps, buttons, serial FLASH, IDE hard drive LCD and other. 0: Please input a number 1: Memory test 2: Timer PWM test (Beep) 3: IIC EEPROM test 4: ADC test 5: Download File by uart (DNW) 6: IIS Play test (Please download*. wav by Uart first ) 7: PDIUSBD12 test 8: LCD test Mono 9: LCD test Mono printf string 10: LCD test Grey 4 11: LCD test Gray 16 12: LCD test Color 256 13: Interrupt test 14: Get IDE information Platform: |
Size: 1922048 |
Author:张俊 |
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Description: 使用HSI为系统时钟源，并配置恰当的分频比；
Timer2 CC1通道配置为PWM模式用以驱动蜂鸣器；
Timer4 溢出中断用作LD4，LD3，LD2闪烁的时基；
TLI（PD7)中断（用户按键）用来切换音乐的音调；-Use the HSI for the system clock source, and configure the appropriate divide ratio Timer2 CC1 channel is configured to PWM mode to drive the buzzer Timer4 overflow interrupt for LD4, LD3, LD2 flashing time base TLI (PD7 ) break (user key) is used to change the music tone Platform: |
Size: 55296 |
Author:yan |
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Description: 实现智能数字显示仪表。要求8位数码管显示（4位显示测量值，4位显示设定值），4输入按钮（功能选择、数码管选择、数字增加、数字减少），可设定上下限报警（蜂鸣器报警）。K型热电偶（镍铬-镍硅），测温范围为0℃~1000℃。采用比例-积分控制、并用晶闸管脉宽调制驱动1000W电加热器（电源电压为AC220V）。-Intelligent digital display instrument. Asked 8-bit digital display (4 shows measured values, four display settings), 4 input buttons (feature selection, the digital control options, the number increased, the number is reduced), upper and lower limits can be set to alarm (buzzer alarm ). K-type thermocouple (Ni-Cr and Ni- Si), temperature range is 0 ℃ ~ 1000 ℃. Proportional- integral control, and using thyristor PWM drive 1000W electric heater (power supply voltage is AC220V). Platform: |
Size: 251904 |
Author:yaoming |
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Description: arm1138的一个框架程序，可以产生PWM输出，直接驱动蜂鸣器-arm1138 a framework program that can generate PWM output, direct drive buzzer Platform: |
Size: 37888 |
Author:崔振科 |
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Description: S3C2440的PWM定时器的驱动，并写了2个测试实例，一个是PWM驱动蜂鸣器不通的频率叫，一个是纯定时功能。已在真机通过测试。-The PWM timers of the drive S3C2440, and wrote two test cases, one is the frequency of PWM drive buzzer barrier called a pure timing. Has been tested in the real machine. Platform: |
Size: 1665024 |
Author:蔡灿 |
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Description: 利用430通过定时器输出不同频率的PWM波形用以驱动蜂鸣器发音-By using 430 timer PWM output waveforms of different frequencies to drive the buzzer sounds Platform: |
Size: 1024 |
Author: |
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Description: 飞思卡尔S12XS128的PWM程序，用PWM波驱动蜂鸣器，发出不同的音阶-Program of the Freescale S12XS128 PWM, PWM wave to drive the buzzer, to send a different scale Platform: |
Size: 200704 |
Author:卓磊 |
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Description: 利用PWM来驱动蜂鸣器，脉宽从低到高，再从高到低，周而复始。我们还利用4个LED来指示频率的高低，最高时LED全亮，最低时LED全灭。-PWM to drive the buzzer, the pulse width from low to high to low again, and again and again. We also use four LEDs to indicate the level of frequency, the maximum full-bright LED lowest LED Quanmie. Platform: |
Size: 13312 |
Author:hetao |
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