AVR-ATMEGA32采用MODBus规约的RS232通信程序-ATMEGA32 MODBus code by AVR- the RS232 communication program

ATMEL ATmega - a GSM Modem or Mobile/Cell- Phone/Handy (ME) that supports AT-commands on a serial bus and the SMS PDU-Mode according to standard GSM 07.05 - connection between serial ports, RS232 V24 level shifter for configuration,

开发环境 AVR STUDIO 6.2 ，编写RS232串口程序,实现PC与ATMEGA 64A单片机的双向收发!-Development environment AVR STUDIO 6.2, write RS232 serial procedures to achieve two-way transceiver PC and microcontroller ATMEGA 64A!