/* * driver/char/at91_adc.c * * Copyright (C) 2007 Embedall Technology Co., Ltd. * * Analog-to-digital Converter(ADC) Driver. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public Lice…

/* * adc_test.c * * Copyright (C) 2007 Mengrz */ #include <stdio.h> #include <stdlib.h> #include <string.h> #include <unistd.h> #include <sys/unistd.h> #include <sys/stat.h> #include <linux/fcntl.h> #include <l…

/* * driver/char/at91_adc.h * * Copyright (C) 2007 Embedall Technology Co., Ltd. * * Analog-to-digital Converter(ADC) Driver. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public Lice…

博客:http://blog.csdn.net/muyang_ren 实现功能:开发板动态载入adc驱动模块并能通过測试程序 系统:Ubuntu 14.04     驱动交叉编译内核:linux-2.6.32.2     开发板:mini2440 建立交叉编译请点击.烧写linux到开发板请点击.Linux RootFs 选择rootfs_rtm_2440.img  (光盘文件夹:image/linux/rtm ) 开发所需工具:NFS网络文件  minicom  vim linux文件文件夹:…

今天我来讲讲PWM触发ADC的例程 /**************************************************************************** * @file main.c * @version V2.0 * $Revision: 5 $ * $Date: 14/06/30 4:51p $ * @brief Demonstrate how to trigger ADC by PWM. * @note * Copyright (C) 2014 Nuv…

原文地址http://www.starlino.com/imu_guide.html Introduction There’s now a FRENCH translation of this article in PDF. Thanks to Daniel Le Guern! This guide is intended to everyone interested in inertial MEMS (Micro-Electro-Mechanical Systems) sensors, in…

Low-cost, 8-bit, single-chip microcontrollers are stingy when it comes to on-chip PWM (pulse-width-modulation) resources. The use of a PWM resource often forces a designer to sacrifice a capture/compare or timer channel because the PWM channel shares…

Detailed Description This module implements the Battery Service with the Battery Level characteristic. During initialization it adds the Battery Service and Battery Level characteristic to the BLE stack database. Optionally随意地 it can also add a Repor…

开发板:smdk6410 开发环境:Linux 突然想起一点,写这些驱动,内核需要配成支持抢占才行. 前面的博客已经将其它的基本知识都解释了,这里也就不过多的阐述了,咱就直接写代码吧 这次写的是adc驱动,将其做为输入设备进行使用, 先写头文件,s3c_adc.h #ifndef __ADC_H #define __ADC_H #include <linux/device.h> #include <linux/interrupt.h> #include <linux/inpu…

1.为了更好的方便调试,串口必须要有的,主要打印一些信息,当前时钟.转换后的电压值和I2C读出的数据. 2.通过GPIO 模拟I2C对镁光的MT9V024进行参数初始化.之前用我以前公司SP0A19芯片,是I2C是8位宽的,而镁光的地址是8位,而数据位是16个字节, 其实不管是8位还是16位,每次发送都是8个字节然后一个应答位,所以只要稍微改下代码即可. 3.实现两路ADC连续转换,两路ADC转换:一路是检测锂电池电压:一路是检测压力传感器,其实都是检测电压,当检测到压力为零,并累计多长时间后进…