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annotate fluid-mnf/target.c @ 382:4307b57229d3

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miscprog: tone-convert written, compiles
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 10 Nov 2021 00:04:12 +0000
parents 37b5f94de802
children
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1 /******************************************************************************
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2 * FLUID (Flash Loader Utility Independent of Device)
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3 *
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4 * Copyright Texas Instruments, 2001.
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5 * Mads Meisner-Jensen, mmj@ti.com.
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6 *
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7 * Target Connection and Control
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8 *
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9 * $Id: target.c 1.20 Mon, 21 Oct 2002 18:39:13 +0200 mmj $
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10 *
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11 * This serial interface handling architecture has been majorly redesigned
b595ff13547b fluid-mnf/target.c: ported, passed compilation
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12 * by Mychaela N. Falconia for the present fluid-mnf Linux port.
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13 *
311
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14 ******************************************************************************/
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15
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16 #include "serial.h"
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17 #include "fluid.h"
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18 #include "trace.h"
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19
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20 #include <stdio.h>
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21 #include <stdlib.h>
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22 #include <string.h>
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23 #include <unistd.h>
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24
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25 int target_trace(unsigned char ch);
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26
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27
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28 /******************************************************************************
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29 * Globals
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30 ******************************************************************************/
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31
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32 #define RECVBUF_SIZE (65536)
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33
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34 static unsigned char recvbuf[RECVBUF_SIZE];
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35 static int recvbuf_put;
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36 static int recvbuf_get;
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37
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38 #define recvbuf_size() (recvbuf_put - recvbuf_get + \
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39 ((recvbuf_put - recvbuf_get) < 0 ? RECVBUF_SIZE : 0))
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40
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41
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42 /******************************************************************************
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43 * Error Functions
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44 ******************************************************************************/
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45
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46 void error_proto(char ch, char chx)
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47 {
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48 char chd, chxd;
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49
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50 chd = (' ' <= ch && ch < 127 ? ch : '.');
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51 chxd = (' ' <= chx && chx < 127 ? chx : '.');
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52
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53 flowf(NORMAL, "(protocol error: got '%c' 0x%02X, expected '%c' 0x%02X)\n",
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54 chd, ch, chxd, chx);
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55
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56 main_fatal(E_PROTO_ERROR);
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57 }
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58
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59
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60 /******************************************************************************
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61 * Target Dependencies
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62 ******************************************************************************/
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63
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64 // <clk> is the target's clock frequency
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65 int target_uart_baudrate_divider_get(int clk, int bps)
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66 {
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67 int divider = clk / bps / 16;
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68
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69 tr(TrTargetDrv, "target_uart_baudrate_divider_get(%d, %d) %d\n",
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70 clk, bps, divider);
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71
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72 return divider;
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73 }
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74
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75
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76 /******************************************************************************
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77 * Target Init and Send
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78 ******************************************************************************/
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79
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80 static int target_trace_timer;
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81
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82 void target_recv_reset(void)
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83 {
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84 tr(TrTargetDrv, "recv_reset()\n");
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85
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86 recvbuf_get = recvbuf_put = 0;
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87
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88 memset(recvbuf, 0x77, RECVBUF_SIZE);
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89
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90 serial_recv_reset();
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91 }
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92
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93 int target_driver_init(char *ttyport, int baudrate)
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94 {
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95 int rc;
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96
348
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97 rc = serial_init(ttyport, baudrate);
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98 if (rc < 0)
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99 return rc;
311
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100
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101 target_recv_reset();
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102
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103 return 0;
311
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104 }
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105
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106 int target_driver_baudrate(int baudrate)
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107 {
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108 return serial_baudrate_set(baudrate);
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109 }
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110
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111 int target_putchar(char ch)
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112 {
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113 char trch;
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114
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115 trch = (ch < ' ' || ch == 127 ? '.' : ch);
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116 tr(TrPutChar, "s '%c'/0x%02X\n", trch, ch & 0xFF);
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117
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118 return serial_send(&ch, 1);
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119 }
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120
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121 int target_send(char *buf, int size)
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122 {
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123 tr(TrPutChar, "s (%d bytes)\n", size);
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124
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125 return serial_send(buf, size);
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126 }
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127
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128
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129 /******************************************************************************
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130 * Target Wait and Receive
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131 ******************************************************************************/
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132
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133 void target_recv_push(char *buf, int size)
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134 {
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135 if (size == 0) {
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136 tr(TrDriverGet, " G?");
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137 return;
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138 }
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139
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140 while (size--) {
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141 recvbuf[recvbuf_put++] = *buf++;
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diff changeset
142 recvbuf_put &= (RECVBUF_SIZE - 1);
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143 }
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
144 tr(TrDriverGet, " G%d", recvbuf_size());
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
145 }
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
146
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
147 // Wait maximum <timeout> milli-seconds for <size> bytes to arrive. If
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
148 // <size> is zero, we unconditionally wait for <time_ms> milli-seconds
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
149 // (quite simply a delay). The transfer time is automatically added to the
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
150 // total waiting time.
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
151 int target_wait(int size, int timeout)
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
152 {
345
b595ff13547b fluid-mnf/target.c: ported, passed compilation
Mychaela Falconia <falcon@freecalypso.org>
parents: 311
diff changeset
153 char rxbuf[512];
b595ff13547b fluid-mnf/target.c: ported, passed compilation
Mychaela Falconia <falcon@freecalypso.org>
parents: 311
diff changeset
154 int cc;
311
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
155
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
156 tr(TrTargetWait, "target_wait(%d, %d)\n", size, timeout);
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
157
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
158 if (size > 0)
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
159 timeout += serial_transfer_time(size);
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
160
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
161 target_trace_timer = timeout;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
162
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
163 if (size == 0) {
345
b595ff13547b fluid-mnf/target.c: ported, passed compilation
Mychaela Falconia <falcon@freecalypso.org>
parents: 311
diff changeset
164 usleep(timeout * 1000);
b595ff13547b fluid-mnf/target.c: ported, passed compilation
Mychaela Falconia <falcon@freecalypso.org>
parents: 311
diff changeset
165 return 0;
311
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
166 }
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
167
345
b595ff13547b fluid-mnf/target.c: ported, passed compilation
Mychaela Falconia <falcon@freecalypso.org>
parents: 311
diff changeset
168 while (recvbuf_size() < size) {
b595ff13547b fluid-mnf/target.c: ported, passed compilation
Mychaela Falconia <falcon@freecalypso.org>
parents: 311
diff changeset
169 cc = serial_recv(rxbuf, sizeof rxbuf, timeout);
b595ff13547b fluid-mnf/target.c: ported, passed compilation
Mychaela Falconia <falcon@freecalypso.org>
parents: 311
diff changeset
170 if (cc < 0)
b595ff13547b fluid-mnf/target.c: ported, passed compilation
Mychaela Falconia <falcon@freecalypso.org>
parents: 311
diff changeset
171 return cc;
b595ff13547b fluid-mnf/target.c: ported, passed compilation
Mychaela Falconia <falcon@freecalypso.org>
parents: 311
diff changeset
172 if (cc == 0)
b595ff13547b fluid-mnf/target.c: ported, passed compilation
Mychaela Falconia <falcon@freecalypso.org>
parents: 311
diff changeset
173 return E_RECV_TIMEOUT;
b595ff13547b fluid-mnf/target.c: ported, passed compilation
Mychaela Falconia <falcon@freecalypso.org>
parents: 311
diff changeset
174 target_recv_push(rxbuf, cc);
311
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
175 }
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
176
345
b595ff13547b fluid-mnf/target.c: ported, passed compilation
Mychaela Falconia <falcon@freecalypso.org>
parents: 311
diff changeset
177 return recvbuf_size();
311
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
178 }
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
179
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
180 int target_recv(void *outbuf, int size)
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
181 {
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
182 int i, bufsize;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
183 char *buf = (char *) outbuf;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
184
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
185 bufsize = recvbuf_size();
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
186 if (bufsize < size)
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
187 size = bufsize;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
188
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
189 for (i = 0; i < size; i++) {
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
190 *buf++ = recvbuf[recvbuf_get++];
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
191 recvbuf_get &= (RECVBUF_SIZE - 1);
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
192 }
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
193
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
194 tr(TrGetChar, "r (%d bytes)\n", size);
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
195 return size;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
196 }
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
197
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
198 int target_getchar(void)
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
199 {
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
200 int trace_in_progress;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
201 char ch;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
202
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
203 do {
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
204 ch = recvbuf[recvbuf_get++];
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
205 recvbuf_get &= (RECVBUF_SIZE - 1);
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
206 tr(TrGetChar, "r '%c' %02X\n",
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
207 (ch >= ' ' && ch <= 126 ? ch : '.'), ch & 0xFF);
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
208
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
209 if ((trace_in_progress = target_trace((char) ch)) != 0) {
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
210 if (target_wait(1, target_trace_timer) < 1)
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
211 main_fatal(E_RECV_TIMEOUT);
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
212 }
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
213 } while (trace_in_progress);
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
214
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
215 return (ch & 0xFF);
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
216 }
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
217
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
218 int target_expect_char(char ch, int timeout)
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
219 {
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
220 char mych;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
221
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
222 if (target_wait(1, timeout) < 1) {
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
223 flowf(NORMAL, "(Waited for '%c' 0x%02X)\n", ch, ch);
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
224 main_fatal(E_RECV_TIMEOUT);
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
225 }
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
226
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
227 if ((mych = target_getchar()) != ch)
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
228 error_proto(mych, ch);
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
229
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
230 return ch;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
231 }
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
232
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
233
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
234 /******************************************************************************
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
235 * Target Buffer Put
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
236 ******************************************************************************/
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
237
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
238 int buf_put1(char *buf, unsigned char data)
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
239 {
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
240 tr(TrPutChar, "buf_put1(0x%02X) '%c'\n", data, data);
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
241
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
242 *buf = (data ) & 0xFF;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
243 return 1;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
244 }
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
245
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
246 int buf_put2(char *buf, unsigned short data)
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
247 {
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
248 tr(TrPutChar, "buf_put2(0x%04X)\n", data);
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
249
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
250 *buf++ = (data ) & 0xFF;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
251 *buf = (data >> 8) & 0xFF;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
252 return 2;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
253 }
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
254
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
255 int buf_put4(char *buf, unsigned int data)
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
256 {
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
257 tr(TrPutChar, "buf_put4(0x%08X)\n", data);
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
258
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
259 *buf++ = (data ) & 0xFF;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
260 *buf++ = (data >> 8) & 0xFF;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
261 *buf++ = (data >> 16) & 0xFF;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
262 *buf = (data >> 24) & 0xFF;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
263 return 4;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
264 }
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
265
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
266 // Put 2-byte integer in network order
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
267 int buf_put2no(char *buf, unsigned short data)
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
268 {
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
269 tr(TrPutChar, "buf_put2no(0x%04X)\n", data);
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
270
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
271 *buf++ = (data >> 8) & 0xFF;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
272 *buf = (data ) & 0xFF;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
273 return 2;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
274 }
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
275
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
276 // Put 4-byte integer in network order
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
277 int buf_put4no(char *buf, unsigned int data)
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
278 {
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
279 tr(TrPutChar, "buf_put4no(0x%08X)\n", data);
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
280
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
281 *buf++ = (data >> 24) & 0xFF;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
282 *buf++ = (data >> 16) & 0xFF;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
283 *buf++ = (data >> 8) & 0xFF;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
284 *buf = (data ) & 0xFF;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
285 return 4;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
286 }
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
287
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
288
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
289 /******************************************************************************
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
290 * Special Target Control Functions
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
291 ******************************************************************************/
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
292
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
293 // Control target power. Works *only* with special cable! If <state> is
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
294 // non-zero, the power is on. Otherwise, it is off.
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
295 void target_power(char state)
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
296 {
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
297 if (arg_uart_level_convert)
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
298 return;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
299
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
300 if (state) {
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
301 serial_rts(0);
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
302 }
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
303 else {
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
304 serial_rts(1);
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
305 serial_dtr(1);
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
306 serial_break(1);
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
307 serial_break(0);
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
308 }
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
309 }
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
310
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
311 // Control target reset line. Works *only* with special cable! If <state>
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
312 // is non-zero, the reset line is asserted. Otherwise, it is negated.
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
313 void target_reset(char state)
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
314 {
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
315 if (arg_uart_level_convert)
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
316 return;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
317
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
318 if (state) {
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
319 serial_rts(1);
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
320 serial_dtr(0);
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
321 serial_rts(0);
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
322 serial_break(0);
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
323 }
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
324 else {
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
325 serial_break(1);
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
326 serial_rts(1);
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
327 serial_dtr(1);
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
328 serial_rts(0);
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
329 }
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
330 }
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
331
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
332
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
333 /******************************************************************************
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
334 * Target Trace/Debug Functions
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
335 ******************************************************************************/
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
336
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
337 static int target_trace_enable_flag = 0;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
338
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
339 int target_trace_enable(int flag)
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
340 {
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
341 int old = target_trace_enable_flag;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
342
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
343 target_trace_enable_flag = flag;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
344
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
345 if (arg_target_trace_enable)
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
346 flowf(DEBUG, "{%s}", (flag ? "enable" : "disable"));
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
347
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
348 return old;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
349 }
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
350
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
351 // Interpret and display target trace message. Return zero if <ch> was not
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
352 // intercepted. Otherwise, if it was intercepted, return non-zero.
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
353 int target_trace(unsigned char ch)
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
354 {
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
355 int i;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
356 unsigned int number = 0;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
357 char buf[80], *p;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
358
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
359 // If target is not supposed to transmit any tracing at this point in
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
360 // the state machine(s), the flag will be zero and thus we return.
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
361 if (target_trace_enable_flag && ch == '$') {
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
362 if (target_wait(1, 100) < 0)
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
363 main_fatal(E_RECV_TIMEOUT);
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
364 ch = target_getchar();
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
365 switch (ch) {
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
366 case 'S':
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
367 p = buf;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
368 while (ch != 0) {
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
369 if (target_wait(1, 100) < 0)
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
370 main_fatal(E_RECV_TIMEOUT);
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
371 ch = target_getchar();
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
372 *p++ = ch;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
373 }
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
374 *p = 0;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
375 if (arg_target_trace_enable)
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
376 printf("{'%s'} ", buf);
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
377 break;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
378 case 'N':
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
379 for (i = 0; i < 4; i++) {
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
380 if (target_wait(1, 100) < 0)
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
381 main_fatal(E_RECV_TIMEOUT);
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
382 ch = target_getchar();
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
383 number = (number >> 8) + (ch << 24);
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
384 }
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
385 if (arg_target_trace_enable)
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
386 printf("{0x%X/%dd} ", number, number);
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
387 break;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
388 default:
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
389 fprintf(stderr, "WARNING: Bad TargetTrace char received! (0x%X)\n",
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
390 ch & 0xFF);
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
391 break;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
392 }
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
393 return 1;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
394 }
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
395 return 0;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
396 }