User manual
ECE 477 Final Report Spring 2004
Appendix F: Software Listing
Base Firmware (Embedded C)
/*********************************************
This program was produced by the
CodeWizardAVR V1.23.8d Standard
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Project :
Version :
Date : 04/23/2004
Author : Chuck Barnett
Company : Purdue University
Comments:
Chip type : ATmega162V
Program type : Application
Clock frequency : 8.000000 MHz
Memory model : Small
External SRAM size : 0
Data Stack size : 256
*********************************************/
#include <mega162.h>
#define RXB8 1
#define TXB8 0
#define UPE 2
#define OVR 3
#define FE 4
#define UDRE 5
#define RXC 7
#define FRAMING_ERROR (1<<FE)
#define PARITY_ERROR (1<<UPE)
#define DATA_OVERRUN (1<<OVR)
#define DATA_REGISTER_EMPTY (1<<UDRE)
#define RX_COMPLETE (1<<RXC)
// USART0 Receiver buffer
#define RX_BUFFER_SIZE0 24
char rx_buffer0[RX_BUFFER_SIZE0];
unsigned char rx_wr_index0,rx_rd_index0,rx_counter0;
// This flag is set on USART0 Receiver buffer overflow
bit rx_buffer_overflow0;
// USART0 Receiver interrupt service routine
#pragma savereg-
interrupt [USART0_RXC] void uart0_rx_isr(void)
{
F-1