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annotate 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
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1 /*
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2 * This module implements the communication protocol for pushing our
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3 * IRAM-loadable code to the Calypso ROM bootloader.
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4 */
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5
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6 #include <sys/types.h>
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7 #include <sys/ioctl.h>
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8 #include <sys/time.h>
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9 #include <sys/errno.h>
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10 #include <stdint.h>
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11 #include <stdio.h>
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12 #include <stdlib.h>
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13 #include <strings.h>
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14 #include <termios.h>
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15 #include <unistd.h>
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16 #include "baudrate.h"
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17 #include "srecreader.h"
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18
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19 extern int errno;
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20
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21 extern char *target_ttydev;
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22 extern int target_fd;
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23 extern struct baudrate baud_rate_table[];
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24
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25 struct srecreader iramimage;
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26 struct baudrate *romload_baud_rate = baud_rate_table; /* 1st entry default */
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27
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28 static int beacon_interval = 13; /* in milliseconds */
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29
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30 static u_char beacon_cmd[2] = {'<', 'i'};
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31
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32 static u_char param_cmd[11] = {'<', 'p',
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33 0x00, /* baud rate select code (115200) */
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34 0x00, /* DPLL setup: leave it off like on power-up, */
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35 /* OsmocomBB does the same thing */
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36 0x00, 0x04, /* chip select timing (WS) settings */
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37 /* our setting matches both OsmocomBB */
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38 /* and what the ROM runs with */
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39 /* before receiving this command */
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40 0x22, /* FFFF:F900 register config, low byte */
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41 /* OsmocomBB sends 0x00 here, but I've chosen */
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42 /* 0x22 to match the setting of this register */
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43 /* used by the boot ROM before this command. */
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44 0x00, 0x01, 0xD4, 0xC0 /* UART timeout */
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45 /* I've chosen the same value as what the */
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46 /* boot ROM runs with before getting this cmd */
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47 };
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48
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49 static u_char write_cmd[10] = {'<', 'w', 0x01, 0x01, 0x00};
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50 static u_char cksum_cmd[3] = {'<', 'c'};
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51 static u_char branch_cmd[6] = {'<', 'b'};
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52
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53 #define INTERMEDIATE_TIMEOUT 500 /* ms to wait for responses */
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54 #define SERIAL_FLUSH_DELAY 200 /* also in ms */
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55
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56 /*
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57 * The following function should be called by command line option
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58 * parsers upon encountering the -i option.
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59 */
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60 set_beacon_interval(arg)
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61 char *arg;
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62 {
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63 int i;
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64
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65 i = atoi(arg);
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66 if (i < 2 || i > 500) {
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67 fprintf(stderr, "invalid -i argument specified\n");
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68 exit(1);
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69 }
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70 beacon_interval = i;
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71 }
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72
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73 /*
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74 * The following functions alter some of the parameters sent to the
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75 * boot ROM in the <p command.
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76 */
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77 set_romload_pll_conf(byte)
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78 {
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79 param_cmd[3] = byte;
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80 }
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81
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82 set_romload_rhea_cntl(byte)
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83 {
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84 param_cmd[6] = byte;
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85 }
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86
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87 static int
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88 expect_response(timeout)
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89 {
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90 char buf[2];
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91 fd_set fds;
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92 struct timeval tv;
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93 int pass, cc;
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94
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95 for (pass = 0; pass < 2; ) {
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96 FD_ZERO(&fds);
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97 FD_SET(target_fd, &fds);
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98 tv.tv_sec = 0;
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99 tv.tv_usec = timeout * 1000;
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100 cc = select(target_fd+1, &fds, NULL, NULL, &tv);
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101 if (cc < 0) {
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102 if (errno == EINTR)
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103 continue;
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104 perror("select");
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105 exit(1);
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106 }
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107 if (cc < 1)
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108 return(-1);
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109 cc = read(target_fd, buf + pass, 2 - pass);
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110 if (cc <= 0) {
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111 perror("read after successful select");
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112 exit(1);
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113 }
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114 if (pass == 0 && buf[0] != '>')
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115 continue;
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116 pass += cc;
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117 }
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118 return(buf[1]);
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119 }
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120
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121 static
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122 send_beacons()
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123 {
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124 printf("Sending beacons to %s\n", target_ttydev);
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125 do
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126 write(target_fd, beacon_cmd, sizeof beacon_cmd);
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127 while (expect_response(beacon_interval) != 'i');
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128 return 0;
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129 }
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130
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131 static uint32_t
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132 compute_block_cksum()
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133 {
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134 uint32_t sum;
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135 int i, llen;
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136
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137 sum = iramimage.datalen + 5;
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138 llen = iramimage.datalen + 4;
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139 for (i = 0; i < llen; i++)
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140 sum += iramimage.record[i+1];
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141 return sum;
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142 }
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143
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144 perform_romload()
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
145 {
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
146 int resp;
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
147 uint16_t image_cksum;
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
148 unsigned long rec_count;
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
149 static int zero = 0;
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
150
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
151 if (open_srec_file(&iramimage) < 0)
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
152 exit(1);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
153 ioctl(target_fd, FIONBIO, &zero);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
154 send_beacons();
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
155 printf("Got beacon response, attempting download\n");
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
156
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
157 usleep(SERIAL_FLUSH_DELAY * 1000);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
158 tcflush(target_fd, TCIFLUSH);
49
54392d1ea474 loadtools: first beginnings for the baud rate switching logic
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 17
diff changeset
159 param_cmd[2] = romload_baud_rate->bootrom_code;
9
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
160 write(target_fd, param_cmd, sizeof param_cmd);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
161 resp = expect_response(INTERMEDIATE_TIMEOUT);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
162 if (resp != 'p') {
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
163 if (resp < 0)
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
164 fprintf(stderr, "No response to <p command\n");
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
165 else if (isprint(resp))
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
166 fprintf(stderr,
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
167 "Got >%c in response to <p command; expected >p\n",
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
168 resp);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
169 else
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
170 fprintf(stderr,
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
171 "Got > %02X in response to <p command; expected >p\n",
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
172 resp);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
173 exit(1);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
174 }
49
54392d1ea474 loadtools: first beginnings for the baud rate switching logic
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 17
diff changeset
175 printf("<p command successful, switching to %s baud\n",
54392d1ea474 loadtools: first beginnings for the baud rate switching logic
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 17
diff changeset
176 romload_baud_rate->name);
54392d1ea474 loadtools: first beginnings for the baud rate switching logic
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 17
diff changeset
177 switch_baud_rate(romload_baud_rate);
9
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
178 usleep(SERIAL_FLUSH_DELAY * 1000);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
179 tcflush(target_fd, TCIFLUSH);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
180
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
181 image_cksum = 0;
10
e2e80a09338e fc-sertool actually works; output from loadagent is visible!
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 9
diff changeset
182 for (rec_count = 0; ; ) {
9
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
183 if (read_s_record(&iramimage) < 0)
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
184 exit(1);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
185 switch (iramimage.record_type) {
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
186 case '0':
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
187 if (iramimage.lineno == 1)
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
188 continue;
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
189 fprintf(stderr,
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
190 "%s: S0 record found in line %d (expected in line 1 only)\n",
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
191 iramimage.filename, iramimage.lineno);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
192 exit(1);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
193 case '3':
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
194 case '7':
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
195 if (s3s7_get_addr_data(&iramimage) < 0)
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
196 exit(1);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
197 break;
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
198 default:
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
199 fprintf(stderr,
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
200 "%s line %d: S%c record type not supported\n",
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
201 iramimage.filename, iramimage.lineno,
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
202 iramimage.record_type);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
203 exit(1);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
204 }
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
205 if (iramimage.record_type == '7')
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
206 break;
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
207 /* must be S3 */
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
208 if (iramimage.datalen < 1) {
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
209 fprintf(stderr,
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
210 "%s line %d: S3 record has zero data length\n",
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
211 iramimage.filename, iramimage.lineno);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
212 exit(1);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
213 }
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
214 /* form <w command */
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
215 if (!rec_count)
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
216 printf("Sending image payload\n");
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
217 write_cmd[5] = iramimage.datalen;
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
218 bcopy(iramimage.record + 1, write_cmd + 6, 4);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
219 write(target_fd, write_cmd, sizeof write_cmd);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
220 write(target_fd, iramimage.record + 5, iramimage.datalen);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
221 /* update our checksum accumulator */
10
e2e80a09338e fc-sertool actually works; output from loadagent is visible!
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 9
diff changeset
222 image_cksum += ~compute_block_cksum() & 0xFF;
9
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
223 /* collect response */
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
224 resp = expect_response(INTERMEDIATE_TIMEOUT);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
225 if (resp != 'w') {
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
226 fprintf(stderr, "Block #%lu: ", rec_count);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
227 if (resp < 0)
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
228 fprintf(stderr, "No response to <w command\n");
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
229 else if (isprint(resp))
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
230 fprintf(stderr,
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
231 "Got >%c in response to <w command; expected >w\n",
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
232 resp);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
233 else
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
234 fprintf(stderr,
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
235 "Got > %02X in response to <w command; expected >w\n",
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
236 resp);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
237 exit(1);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
238 }
10
e2e80a09338e fc-sertool actually works; output from loadagent is visible!
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 9
diff changeset
239 putchar('.');
e2e80a09338e fc-sertool actually works; output from loadagent is visible!
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 9
diff changeset
240 fflush(stdout);
e2e80a09338e fc-sertool actually works; output from loadagent is visible!
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 9
diff changeset
241 rec_count++;
9
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
242 }
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
243 /* got S7 */
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
244 fclose(iramimage.openfile);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
245 if (!rec_count) {
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
246 fprintf(stderr,
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
247 "%s line %d: S7 without any preceding S3 data records\n",
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
248 iramimage.filename, iramimage.lineno);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
249 exit(1);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
250 }
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
251
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
252 /* send <c */
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
253 printf("Sending checksum\n");
10
e2e80a09338e fc-sertool actually works; output from loadagent is visible!
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 9
diff changeset
254 cksum_cmd[2] = ~image_cksum & 0xFF;
9
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
255 write(target_fd, cksum_cmd, sizeof cksum_cmd);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
256 resp = expect_response(INTERMEDIATE_TIMEOUT);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
257 if (resp != 'c') {
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
258 if (resp < 0)
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
259 fprintf(stderr, "No response to <c command\n");
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
260 else if (isprint(resp))
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
261 fprintf(stderr,
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
262 "Got >%c in response to <c command; expected >c\n",
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
263 resp);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
264 else
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
265 fprintf(stderr,
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
266 "Got > %02X in response to <c command; expected >c\n",
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
267 resp);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
268 exit(1);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
269 }
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
270 printf("<c command successful, sending <b\n");
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
271
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
272 bcopy(iramimage.record + 1, branch_cmd + 2, 4);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
273 write(target_fd, branch_cmd, sizeof branch_cmd);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
274 resp = expect_response(INTERMEDIATE_TIMEOUT);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
275 if (resp != 'b') {
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
276 if (resp < 0)
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
277 fprintf(stderr, "No response to <b command\n");
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
278 else if (isprint(resp))
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
279 fprintf(stderr,
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
280 "Got >%c in response to <b command; expected >b\n",
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
281 resp);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
282 else
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
283 fprintf(stderr,
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
284 "Got > %02X in response to <b command; expected >b\n",
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
285 resp);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
286 exit(1);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
287 }
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
288 printf("<b command successful: downloaded image should now be running!\n");
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
289 return(0);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
290 }