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comparison loadtools/romload.c @ 49:54392d1ea474

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loadtools: first beginnings for the baud rate switching logic
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Sun, 23 Jun 2013 02:53:16 +0000
parents 24b88c119465
children f1df95eed62c
comparison
equal deleted inserted replaced
48:38664e0b7c32 49:54392d1ea474
11 #include <stdio.h> 11 #include <stdio.h>
12 #include <stdlib.h> 12 #include <stdlib.h>
13 #include <strings.h> 13 #include <strings.h>
14 #include <termios.h> 14 #include <termios.h>
15 #include <unistd.h> 15 #include <unistd.h>
16 #include "baudrate.h"
16 #include "srecreader.h" 17 #include "srecreader.h"
17 18
18 extern int errno; 19 extern int errno;
19 20
20 extern char *target_ttydev; 21 extern char *target_ttydev;
21 extern int target_fd; 22 extern int target_fd;
23 extern struct baudrate baud_rate_table[];
22 24
23 struct srecreader iramimage; 25 struct srecreader iramimage;
26 struct baudrate *romload_baud_rate = baud_rate_table; /* 1st entry default */
24 27
25 static int beacon_interval = 13; /* in milliseconds */ 28 static int beacon_interval = 13; /* in milliseconds */
26 29
27 static u_char beacon_cmd[2] = {'<', 'i'}; 30 static u_char beacon_cmd[2] = {'<', 'i'};
28 31
151 send_beacons(); 154 send_beacons();
152 printf("Got beacon response, attempting download\n"); 155 printf("Got beacon response, attempting download\n");
153 156
154 usleep(SERIAL_FLUSH_DELAY * 1000); 157 usleep(SERIAL_FLUSH_DELAY * 1000);
155 tcflush(target_fd, TCIFLUSH); 158 tcflush(target_fd, TCIFLUSH);
159 param_cmd[2] = romload_baud_rate->bootrom_code;
156 write(target_fd, param_cmd, sizeof param_cmd); 160 write(target_fd, param_cmd, sizeof param_cmd);
157 resp = expect_response(INTERMEDIATE_TIMEOUT); 161 resp = expect_response(INTERMEDIATE_TIMEOUT);
158 if (resp != 'p') { 162 if (resp != 'p') {
159 if (resp < 0) 163 if (resp < 0)
160 fprintf(stderr, "No response to <p command\n"); 164 fprintf(stderr, "No response to <p command\n");
166 fprintf(stderr, 170 fprintf(stderr,
167 "Got > %02X in response to <p command; expected >p\n", 171 "Got > %02X in response to <p command; expected >p\n",
168 resp); 172 resp);
169 exit(1); 173 exit(1);
170 } 174 }
171 printf("<p command successful, switching to 115200 baud\n"); 175 printf("<p command successful, switching to %s baud\n",
172 switch_baud_rate(B115200); 176 romload_baud_rate->name);
177 switch_baud_rate(romload_baud_rate);
173 usleep(SERIAL_FLUSH_DELAY * 1000); 178 usleep(SERIAL_FLUSH_DELAY * 1000);
174 tcflush(target_fd, TCIFLUSH); 179 tcflush(target_fd, TCIFLUSH);
175 180
176 image_cksum = 0; 181 image_cksum = 0;
177 for (rec_count = 0; ; ) { 182 for (rec_count = 0; ; ) {