Revision 191
| trunk/toolbox/main.c (revision 191) | ||
|---|---|---|
| 19 | 19 |
/** @file main.c |
| 20 | 20 |
* @brief Contains the main function for the toolbox code. |
| 21 | 21 |
* |
| 22 |
* @author Suresh Nidhiry (snidhiry), Kevin Woo (kwoo) |
|
| 22 |
* @author Suresh Nidhiry (snidhiry@andrew.cmu.edu) |
|
| 23 |
* @author Kevin Woo (kwoo@2ndt.com) |
|
| 23 | 24 |
*/ |
| 24 | 25 |
|
| 25 | 26 |
//Includes |
| ... | ... | |
| 27 | 28 |
#include <avr/interrupt.h> |
| 28 | 29 |
#include <stdint.h> |
| 29 | 30 |
#include <util/delay.h> |
| 30 |
#include "uart.h" |
|
| 31 |
|
|
| 31 |
#include <tooltron.h> |
|
| 32 |
#include "jumptable.h" |
|
| 33 |
#define TOOLBOX |
|
| 32 | 34 |
#define RELAY _BV(PORTD4) |
| 33 | 35 |
#define VAC_SENSE _BV(PIND3) |
| 34 | 36 |
#define BUT_RED _BV(PINB4) |
| ... | ... | |
| 141 | 143 |
sei(); //Enable interrupts |
| 142 | 144 |
init_timer(); //Set registers for timer |
| 143 | 145 |
init_pins(); //Set pin directions |
| 144 |
init_uart(51); //Set registers for uart |
|
| 146 |
rs485_init(51); |
|
| 145 | 147 |
/***** End Start-up Sequence *****/ |
| 146 | 148 |
|
| 147 | 149 |
uint8_t r; |
| ... | ... | |
| 151 | 153 |
packet[2] = 0x00; |
| 152 | 154 |
|
| 153 | 155 |
while(1) {
|
| 154 |
/* |
|
| 155 |
usb_puti(min); |
|
| 156 |
uart_send_byte('m');
|
|
| 157 |
usb_puti(sec); |
|
| 158 |
uart_send_byte('s');
|
|
| 159 |
uart_send_byte('\r');
|
|
| 160 |
uart_send_byte('\n');
|
|
| 161 |
_delay_ms(500); |
|
| 162 |
*/ |
|
| 163 |
|
|
| 164 | 156 |
switch (state) {
|
| 165 | 157 |
case sd: |
| 166 | 158 |
toggle_led(LED_RED, ON); |
| 167 | 159 |
toggle_led(LED_YELLOW, OFF); |
| 168 | 160 |
toggle_led(LED_GREEN, OFF); |
| 169 | 161 |
toggle_relay(OFF); |
| 170 |
while ((uart_get_byte(&r)) < 0); |
|
| 162 |
while ((rs485_get_byte(&r)) < 0); |
|
| 171 | 163 |
if (r == DELIM) {
|
| 172 | 164 |
state = src; |
| 173 | 165 |
} |
| 174 | 166 |
break; |
| 175 | 167 |
case src: |
| 176 |
while ((uart_get_byte(&r)) < 0); |
|
| 168 |
while ((rs485_get_byte(&r)) < 0); |
|
| 177 | 169 |
|
| 178 | 170 |
if (r == DELIM) {
|
| 179 | 171 |
state = src; |
| ... | ... | |
| 183 | 175 |
} |
| 184 | 176 |
break; |
| 185 | 177 |
case dest: |
| 186 |
while ((uart_get_byte(&r)) < 0); |
|
| 178 |
while ((rs485_get_byte(&r)) < 0); |
|
| 187 | 179 |
|
| 188 | 180 |
if (r == DELIM) {
|
| 189 | 181 |
packet[0] = 0x00; |
| ... | ... | |
| 197 | 189 |
} |
| 198 | 190 |
break; |
| 199 | 191 |
case data: |
| 200 |
while ((uart_get_byte(&r)) < 0); |
|
| 192 |
while ((rs485_get_byte(&r)) < 0); |
|
| 201 | 193 |
|
| 202 | 194 |
if (r == DELIM) {
|
| 203 | 195 |
packet[0] = 0x00; |
| ... | ... | |
| 209 | 201 |
} |
| 210 | 202 |
break; |
| 211 | 203 |
case cs: |
| 212 |
while ((uart_get_byte(&r)) < 0); |
|
| 204 |
while ((rs485_get_byte(&r)) < 0); |
|
| 213 | 205 |
|
| 214 | 206 |
if (r == (packet[0] ^ packet[1] ^ packet[2])) {
|
| 215 | 207 |
|
| ... | ... | |
| 225 | 217 |
state = sd; |
| 226 | 218 |
break; |
| 227 | 219 |
case ack: |
| 228 |
uart_send_byte(DELIM); |
|
| 229 |
uart_send_byte(ADDR); |
|
| 230 |
uart_send_byte(SERVER); |
|
| 231 |
uart_send_byte('A');
|
|
| 232 |
uart_send_byte(ADDR ^ SERVER ^ 'A'); |
|
| 220 |
rs485_send_byte(DELIM); |
|
| 221 |
rs485_send_byte(ADDR); |
|
| 222 |
rs485_send_byte(SERVER); |
|
| 223 |
rs485_send_byte('A');
|
|
| 224 |
rs485_send_byte(ADDR ^ SERVER ^ 'A'); |
|
| 233 | 225 |
|
| 234 | 226 |
toggle_led(LED_RED, OFF); |
| 235 | 227 |
toggle_led(LED_YELLOW, ON); |
| trunk/toolbox/jumptable.h (revision 191) | ||
|---|---|---|
| 1 |
#ifndef _JUMPTABLE_ |
|
| 2 |
#define _JUMPTABLE_ |
|
| 3 |
|
|
| 4 |
// Jump table addresses |
|
| 5 |
// If the bootloader changes, you must change the jump table addresses! |
|
| 6 |
#define JT_ADDR 0x7E0 |
|
| 7 |
#define JT_RS485_INIT ((void*)((JT_ADDR+0) / 2)) |
|
| 8 |
#define JT_RS485_GET_BYTE ((void*)((JT_ADDR+1)/2)) |
|
| 9 |
#define JT_RS485_SEND_BYTE ((void*)((JT_ADDR+2)/2)) |
|
| 10 |
#define JT_PARSE_PACKET ((void*)((JT_ADDR+3)/2)) |
|
| 11 |
#define JT_SEND_PACKET ((void*)((JT_ADDR+4)/2)) |
|
| 12 |
|
|
| 13 |
#define JT_TYPE static __inline__ void |
|
| 14 |
typedef void (*PF_ARG1)(uint8_t); |
|
| 15 |
|
|
| 16 |
void (*rs485_init)(uint16_t) = JT_RS485_INIT; |
|
| 17 |
int8_t (*rs485_get_byte)(uint8_t*) = JT_RS485_GET_BYTE; |
|
| 18 |
void (*rs485_send_byte)(uint8_t) = JT_RS485_SEND_BYTE; |
|
| 19 |
char (*parse_packet)(uint8_t*) = JT_PARSE_PACKET; |
|
| 20 |
void (*send_packet)(uint8_t) = JT_SEND_PACKET; |
|
| 21 |
|
|
| 22 |
#endif |
|
| trunk/toolbox/Makefile (revision 191) | ||
|---|---|---|
| 88 | 88 |
# Each directory must be seperated by a space. |
| 89 | 89 |
# Use forward slashes for directory separators. |
| 90 | 90 |
# For a directory that has spaces, enclose it in quotes. |
| 91 |
#EXTRAINCDIRS = C:\WinAVR\include\fwr |
|
| 91 |
EXTRAINCDIRS = ../common |
|
| 92 | 92 |
|
| 93 | 93 |
|
| 94 | 94 |
# Compiler flag to set the C Standard level. |
| trunk/common/tooltron.h (revision 191) | ||
|---|---|---|
| 43 | 43 |
#define PROGM_PACKET_SIZE 2 |
| 44 | 44 |
#define PROGD_PACKET_SIZE 32 |
| 45 | 45 |
|
| 46 |
// Packet handler states |
|
| 47 |
typedef enum {
|
|
| 48 |
sd, // Looking for start delimiter |
|
| 49 |
src, // Looking for source |
|
| 50 |
dest, // Looking for destination |
|
| 51 |
comd, // Looking for command |
|
| 52 |
read, // Reading payload |
|
| 53 |
cs // Calculate checksum |
|
| 54 |
} state_t; |
|
| 55 |
|
|
| 56 | 46 |
// Tool timeout? |
| 57 | 47 |
#define TIMEOUT_SECONDS 10 |
| 58 | 48 |
|
| ... | ... | |
| 63 | 53 |
/****** Utility Definitions ******/ |
| 64 | 54 |
#define TRUE 0 |
| 65 | 55 |
#define FALSE 1 |
| 66 |
|
|
| 67 |
/****** Jump Table ******/ |
|
| 68 |
// Jump table addresses |
|
| 69 |
// If the bootloader changes, you must change the jump table addresses! |
|
| 70 |
#define JT_INIT_UART 0x0 |
|
| 71 |
#define JT_UART_GET_BYTE 0x0 |
|
| 72 |
#define JT_UART_SEND_BYTE 0x0 |
|
| 73 |
#define JT_PARSE_PACKET 0x0 |
|
| 74 |
#define JT_SEND_PACKET 0x0 |
|
| 75 |
|
|
| 76 |
|
|
| 77 |
// Jump table functions for locations that are in the bootloader |
|
| 78 |
#ifdef TOOLBOX |
|
| 79 |
void (*uart_init)(uint16_t baud) = JT_UART_INIT; |
|
| 80 |
int8_t (*uart_get_byte)(uint8_t *output_byte) = JT_UART_GET_BYTE; |
|
| 81 |
void (*uart_send_byte)(uint8_t data) = JT_UART_SEND_BYTE; |
|
| 82 |
void (*uart_toggle_transmit)(uint8_t state) = JT_UART_TOGGLE_TRANSMIT; |
|
| 83 |
char (*parse_packet)(uint8_t *mbuf) = JT_PARSE_PACKET; |
|
| 84 |
void (*send_packet)(uint8_t cmd) = JT_SEND_PACKET; |
|
| 85 | 56 |
#endif |
| 86 |
|
|
| 87 |
|
|
| 88 |
#endif |
|
Also available in: Unified diff