msp430 i2c

Recently, I accidentally saw a netizen say that the MSP430 also has the GCC compiler, namely, MSPGCC. I also began to think that it is not far from developing the MSP430 in Linux. Google end time, find the MSPGCC Wiki: http://sourceforge.net/apps/mediawiki/mspgcc/index.php? Title = MSPGCC_Wiki and a compiled installation package already exists in Ubuntu. At this point, I do not like to install these tool ch

How to upgrade the MSP430 Program Key Laboratory of optoelectronics, Ocean University of China Abstract: This paper introduces how to upgrade the program of the MSP430 Series single-chip microcomputer, and describes in detail how to implement custom firmware upgrade and remote program upgrade. Various strategies and technologies required for firmware upgrade are provided. Keywords:

I2C bus learning-check for missing traps-S3C2440 I2C Controller After learning the theoretical part of the IIC bus protocol, I think we should learn how to operate the 2440 IIC controller. After all, it is all about learning the S3C2440, so I will add this part. The I2C interface of S3C2440 can work in four modes: Host transmitter, host receiver, slave transmitt

device will send an alarm signal, the accurate time and actual temperature of the fault are recorded in the storage unit of fm31256 for system query. At the same time, the event counter of fm31256 is added with 1 count. Similarly, the serial identification area locking function can be used to write the serial number of the electromagnetic casting and rolling power control device into it, which is safe and reliable.3.1 Hardware principlesThe hardware interface circuit 3 of fm31256 is applied to

I recently checked the Linux 2.6.21 kernel's I2C driver and checked the relevant information on the Internet. I am also right about the error. I have some experience. Let's record it. There may be many mistakes in it. please correct them.1. I2C Protocol1.1 Working Principle of I2C busThe I2C bus is a serial bus consist

Revision historyDate issue description authorDirectory1. Summary 32. Introduction 33. I2C architecture 34. I2C bus initialization 45. I2C Adapter Driver 56. I2C Device Driver 97. user space drive support 128. Data Transmission framework 169. References 16 1. SummaryThis article mainly introduces the

1. i2c-dev Interface I2C Dev-Interface Generally, I2C devices are controlled by a kernel driver. However, in the user space, you can also access an I2C device: you need Load the i2c-dev module. Each registered I2C adapter (Contr

MSP430 microcontroller adconverter 20:14:05 | classification: MSP430 microcontroller | report | font size subscription I. Brief Introduction: The adc12 module consists of the following parts: the input 16 analog switches (eight external channels, four internal channels), the ADC internal voltage reference source, the adc12 kernel, and the ADC clock source, collection and holding/trigger source, ADC data out

This article from http://blog.csdn.net/hellogv/, reference must indicate the source! Flash-type MSP430 single-chip has information memory segmenga and segmentb, segmenga and segmentb each have 128 characters, segmentb address is: 0x01000h to 0x0000f, Segmenta address is: 0x01080h to 0x010ffh. After the program is written to MSP430, the program can save power-off data through segmenga and segmentb. Note: seg

In this tutorial, we will study the programming method of MSP430 MCU Gpio. This article also applies to the MSP430X2XX devices used on the Launchpad Development Board, such as msp430g2553, msp430g2231, etc. Most pins on the MSP430 microcontroller are grouped into up to 8 ports, P1 to P8. Each port is 8-bit wide and has 8 related I/O pins. These pins are mapped directly to the appropriate port registers, so

4 bus driver 4.1 Overview The I2C bus driver is a software implementation of the I2C Adapter. It provides the ability to complete data communication between the I2C adapter and the slave device, such as the start, stop, response signal, and master_xfer implementation functions. The I2C bus driver is described by i2c_ad

What is an I2C adapter?I read an article about the Linux I2C system, saying that there are two main hardware: one client, one adapter, and the I2C architecture centered around them.But what is adapter? Is it an I2C controller? If so, isn't the I2C controller having a few reg

I have been studying and using MSP430 for a few months. I even saw a note on the micro-control forum, which is well recorded. Now I have reposted it to my blog for memo. Preliminary hardwareI am only learning about the 16-bit ultra-Power Single-Chip MSP430 produced by TI. I hope to learn from other friends. If not, please advise me more.Next, we will start our 430 journey.There are also a lot of books to ex

when we use the MSP430 MCU for project development, we will encounter the output format of the two image files (as shown): Legacy COFF and Eabi (ELF), this article launches from this topic, leads to COFF Abi and Eabi two application binary interface, Enables developers to low-level from theMSP430 has a new understanding. 1. image file output formatthe MSP430 compiler can output image files in two formats:A

In order to write an article to pave the mat-remind yourself,,,,,,P1.0 level, varies with the level change of the P1.1 pin input#include"io430.h"voidDelayvoid) {unsignedCharA,b,c; for(c=167;c>0; c--) for(b=171;b>0; b--) for(a=1;a>0; a--);}voidMainvoid) {Wdtctl= Wdtpw + wdthold;//The watchdog is turned on by default and is turned off without using it.P1dir =0x01;//P1.0 for Output mode while(1) {P1out=0x01;//P1.0 output High leveldelay (); P1out=0x00;//P1.0 output Low leveld

Timers are commonly used by single-chip microcomputer. They are used to generate precise timing or other functions. MSP430 timers can not only complete precise timing, but also generate PWM waveform output, and capture time value (when the rising or falling edge arrives ). A general PWM waveform is generated here.Program. Hardware introduction: The timera of MSP430 Series Single-Chip Microcomputer

The program of the MSP430 microcontroller is sometimes prone to fly, resulting in abnormal operation. The common causes are as follows:The dog is not set to stop or be fed in time.The interrupt function is not defined, but the corresponding interrupt is enabled. When the interrupt occurs, the interrupt function entry cannot be found.The power supply voltage is unstable, or the input voltage of the I/O pin is too high, resulting in internal data interf

I. Overview Speaking of writing I2C drivers in Linux, there are currently two main methods: one is to treat I2C devices as a common character device, the other is to use the Linux I2C driver architecture. The two drivers are compared below. The advantages of the first method (corresponding to the disadvantages of the second method) include:● The idea is straightf

I2C (Inter-IntegratedCircuit1 bus is a 2-line serial bus developed by Philips, used to connect 1 Introduction I2C (Inter-Integrated Circuit1 bus is a two-line serial bus developed by Philips to connect the microcontroller and its peripheral devices. It is a special form of synchronous communication. it has the advantages of few interface lines, simple control mode, small encapsulation form, and high communi

I found some questions when I read the header file ccw.x613x. h In rf_example_code_v1.0. First, let's take a look at ccw.x613x. h.Three # define examples in: # Define defc (name, address) _ no_init volatile unsigned char name @ address; # Define defw (name, address) _ no_init volatile unsigned short name @ address; # Define defcw (name, address) _ no_init Union { Struct { Volatile unsigned char name ##_ L; Volatile unsigned char name ##_ h; }; Volatile unsigned short name; } @ Address; The previ