FreeCalypso > hg > freecalypso-tools

annotate rvinterf/etmsync/l1tmops.c @ 497:74610c4f10f7

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target-utils: added 10 ms delay at the end of abb_power_off() The deosmification of the ABB access code (replacement of osmo_delay_ms() bogus delays with correctly-timed ones, which are significantly shorter) had one annoying side effect: when executing the poweroff command from any of the programs, one last '=' prompt character was being sent (and received by the x86 host) as the Calypso board powers off. With delays being shorter now, the abb_power_off() function was returning and the standalone program's main loop was printing its prompt before the Iota chip fully executed the switch-off sequence! I thought about inserting an endless tight loop at the end of the abb_power_off() function, but the implemented solution of a 10 ms delay is a little nicer IMO because if the DEVOFF operation doesn't happen for some reason in a manual hacking scenario, there won't be an artificial blocker in the form of a tight loop keeping us from further poking around.
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 25 May 2019 20:44:05 +0000
parents 4469d73bbc60
children 4694c7686ccd
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1 /*
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2 * In this module we implement the functions that access the L1TM operations
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3 * which we are going to use in fc-tmsync and fc-readcal.
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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 <stdio.h>
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8 #include <stdlib.h>
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9 #include <string.h>
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10 #include <strings.h>
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11 #include "pktmux.h"
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12 #include "tm3.h"
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13 #include "l1tm.h"
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14 #include "exitcodes.h"
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15
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16 extern u_char rvi_msg[];
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17 extern int rvi_msg_len;
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18
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19 do_tms(arg)
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20 {
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21 u_char cmdpkt[5];
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22
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23 cmdpkt[1] = TM_MODE_SET;
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24 cmdpkt[2] = arg;
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25 cmdpkt[3] = arg >> 8;
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26 etm_pkt_exch(cmdpkt, 3);
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27 if (rvi_msg[3]) {
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28 fprintf(stderr, "target error %u in response to tms\n",
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29 rvi_msg[3]);
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30 return(ERROR_TARGET);
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31 }
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32 if (rvi_msg_len != 5) {
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33 fprintf(stderr, "target error: tms response wrong length\n");
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34 return(ERROR_TARGET);
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35 }
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36 return(0);
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37 }
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38
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39 do_rfpr(index, retp)
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40 u_short *retp;
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41 {
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42 u_char cmdpkt[5];
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43
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44 cmdpkt[1] = RF_PARAM_READ;
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45 cmdpkt[2] = index;
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46 cmdpkt[3] = index >> 8;
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47 etm_pkt_exch(cmdpkt, 3);
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48 if (rvi_msg[3]) {
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49 fprintf(stderr, "target error %u in response to rfpr\n",
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50 rvi_msg[3]);
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51 return(ERROR_TARGET);
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52 }
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53 if (rvi_msg_len != 8) {
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54 fprintf(stderr, "target error: rfpr response wrong length\n");
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55 return(ERROR_TARGET);
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56 }
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57 if (rvi_msg[4] != index) {
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58 fprintf(stderr, "target error: rfpr response wrong index\n");
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59 return(ERROR_TARGET);
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60 }
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61 *retp = rvi_msg[5] | (rvi_msg[6] << 8);
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62 return(0);
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63 }
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64
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65 do_rfpw(index, value)
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66 {
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67 u_char cmdpkt[7];
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68
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69 cmdpkt[1] = RF_PARAM_WRITE;
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70 cmdpkt[2] = index;
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71 cmdpkt[3] = index >> 8;
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72 cmdpkt[4] = value;
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73 cmdpkt[5] = value >> 8;
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74 etm_pkt_exch(cmdpkt, 5);
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75 if (rvi_msg[3]) {
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76 fprintf(stderr, "target error %u in response to rfpw\n",
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77 rvi_msg[3]);
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78 return(ERROR_TARGET);
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79 }
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80 if (rvi_msg_len != 6) {
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81 fprintf(stderr, "target error: rfpw response wrong length\n");
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82 return(ERROR_TARGET);
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83 }
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84 if (rvi_msg[4] != index) {
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85 fprintf(stderr, "target error: rfpw response wrong index\n");
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86 return(ERROR_TARGET);
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87 }
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88 return(0);
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89 }
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90
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91 do_rftr(index, table, size)
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92 u_char *table;
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93 {
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94 u_char cmdpkt[4];
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95
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96 cmdpkt[1] = RF_TABLE_READ;
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97 cmdpkt[2] = index;
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98 etm_pkt_exch(cmdpkt, 2);
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99 if (rvi_msg[3]) {
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100 fprintf(stderr, "target error %u in response to rftr\n",
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101 rvi_msg[3]);
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102 return(ERROR_TARGET);
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103 }
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104 if (rvi_msg_len < size + 6) {
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105 fprintf(stderr, "target error: rftr response too short\n");
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106 return(ERROR_TARGET);
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107 }
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108 if (rvi_msg[4] != index) {
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109 fprintf(stderr, "target error: rftr response wrong index\n");
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110 return(ERROR_TARGET);
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111 }
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112 bcopy(rvi_msg + 5, table, size);
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113 return(0);
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114 }
272
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115
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116 do_ttr(index, buf)
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117 u_char *buf;
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118 {
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119 u_char cmdpkt[4];
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120
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121 cmdpkt[1] = TX_TEMPLATE_READ;
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122 cmdpkt[2] = index;
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123 etm_pkt_exch(cmdpkt, 2);
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124 if (rvi_msg[3]) {
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125 fprintf(stderr, "target error %u in response to ttr\n",
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126 rvi_msg[3]);
277
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127 return(ERROR_TARGET);
272
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128 }
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129 if (rvi_msg_len != 38) {
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130 fprintf(stderr, "target error: ttr response wrong length\n");
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131 return(ERROR_TARGET);
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132 }
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133 if (rvi_msg[4] != index) {
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134 fprintf(stderr, "target error: ttr response wrong index\n");
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135 return(ERROR_TARGET);
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136 }
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137 bcopy(rvi_msg + 5, buf, 32);
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138 return(0);
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139 }