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annotate fluid-mnf/serial.c @ 408:14302e075f37 default tip

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hr-bits: further conditionalize SID-1-diff
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 22 Jul 2024 10:06:38 +0000
parents 49fe64a5e207
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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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 * Serial/UART driver
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8 *
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9 * $Id: serial.c 1.23 Fri, 18 Oct 2002 08:53:12 +0200 mmj $
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10 *
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11 * This serial interface handling architecture has been majorly redesigned
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12 * by Mychaela N. Falconia for the present fluid-mnf Linux port.
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13 *
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14 * Because FLUID supports Calypso high baud rates of 203125, 406250 and 812500
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15 * bps, as well as D-Sample XXO (eXternal Xtal Oscillator) baud rates of
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16 * 230400, 460800 and 921600 bps, the present fluid-mnf port had to be made
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17 * quite Linux-specific, using the same raw ioctl approach as is used in
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18 * freecalypso-tools/libserial-linux.
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19 *
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20 ******************************************************************************/
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21
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22 #include "fluid.h"
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23 #include "serial.h"
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24 #include "trace.h"
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25
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26 #include <sys/types.h>
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27 #include <sys/file.h>
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28 #include <sys/time.h>
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29 #include <sys/ioctl.h>
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30 #include <asm/ioctls.h>
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31 #include <asm/termbits.h>
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32 #include <sys/errno.h>
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33 #include <stdio.h>
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34 #include <stdlib.h>
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35 #include <string.h>
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36 #include <unistd.h>
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37
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38 extern int errno;
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39
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40
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41 /******************************************************************************
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42 * Linux Driver
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43 ******************************************************************************/
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44
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45 static int target_fd;
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46 static struct termios2 target_termios;
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47
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48 static void fill_termios(int bps)
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49 {
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50 int termios_baud_code;
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51
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52 switch (bps) {
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53 case 9600:
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54 termios_baud_code = B9600;
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55 break;
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56 case 19200:
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57 termios_baud_code = B19200;
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58 break;
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59 case 38400:
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60 termios_baud_code = B38400;
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61 break;
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62 case 57600:
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63 termios_baud_code = B57600;
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64 break;
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65 case 115200:
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66 termios_baud_code = B115200;
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67 break;
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68 case 230400:
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69 termios_baud_code = B230400;
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70 break;
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71 case 460800:
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72 termios_baud_code = B460800;
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73 break;
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74 case 921600:
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75 termios_baud_code = B921600;
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76 break;
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77 default:
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78 termios_baud_code = BOTHER;
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79 }
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80 target_termios.c_iflag = IGNBRK;
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81 target_termios.c_oflag = 0;
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82 target_termios.c_cflag = termios_baud_code | CLOCAL|HUPCL|CREAD|CS8;
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83 target_termios.c_lflag = 0;
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84 target_termios.c_cc[VMIN] = 1;
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85 target_termios.c_cc[VTIME] = 0;
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86 target_termios.c_ispeed = bps;
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87 target_termios.c_ospeed = bps;
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88 }
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89
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90 int serial_init(char *ttyport, int bps)
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91 {
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92 static int zero = 0;
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93
348
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94 if (!ttyport) {
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95 ttyport = getenv("FLUID_PORT");
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96 if (!ttyport) {
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97 fprintf(stderr,
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98 "fluid-mnf error: target tty port must be specified with -p or FLUID_PORT=\n");
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99 exit(-E_BADARG);
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100 }
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101 }
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102
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103 target_fd = open(ttyport, O_RDWR|O_NONBLOCK);
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104 if (target_fd < 0)
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105 return E_OS + E_UART_INIT;
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106 ioctl(target_fd, TIOCEXCL);
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107 fill_termios(bps);
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108 if (ioctl(target_fd, TCSETSF2, &target_termios) < 0)
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109 return E_OS + E_UART_INIT;
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110 ioctl(target_fd, FIONBIO, &zero);
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111
342
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112 if (arg_uart_level_convert) {
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113 /*
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114 * Powering TI's serial level converter
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115 * with DTR = +12V and RTS = -12V
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116 */
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117 serial_dtr(1);
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118 serial_rts(0);
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119 }
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120
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121 serial_reset();
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122 return 0;
311
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123 }
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124
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125 int serial_is_baudrate(int bps)
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126 {
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127 int i;
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128 const struct rate_s {
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129 int bps;
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130 int baudrate;
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131 } rates[] = {
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132 { 9600, 9600 }, { 9, 9600 },
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133 { 14400, 14400 }, { 14, 14400 },
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
134 { 19200, 19200 }, { 19, 19200 },
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
135 { 38400, 38400 }, { 38, 38400 },
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
136 { 57600, 57600 }, { 57, 57600 },
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
137 { 115200, 115200 }, { 115, 115200 },
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138 { 203125, 203125 }, { 203, 203125 }, // 13MHz clock
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
139 { 230400, 230400 }, { 230, 230400 },
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
140 { 406250, 406250 }, { 406, 406250 }, // 13MHz clock
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
141 { 460800, 460800 }, { 460, 460800 },
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
142 { 812500, 812500 }, { 812, 812500 }, // 13MHz clock
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143 { 921600, 921600 }, { 921, 921600 },
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
144 { 0, 0 } // terminator
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 for (i = 0; i < sizeof(rates) / sizeof(struct rate_s) - 1; i++)
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
148 if (rates[i].bps == bps)
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
149 break;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
150
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
151 tr(TrTargetDrv, "serial_is_baudrate(%d) %d\n", bps, rates[i].baudrate);
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
152
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
153 return rates[i].baudrate;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
154 }
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 int serial_baudrate_set(int bps)
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 bps = serial_is_baudrate(bps);
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
159 if (bps == 0)
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
160 return E_OS + E_UART_PARAM;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
161
342
6ff231195905 fluid-mnf/serial.[ch]: beginning of Linux port
Mychaela Falconia <falcon@freecalypso.org>
parents: 311
diff changeset
162 fill_termios(bps);
6ff231195905 fluid-mnf/serial.[ch]: beginning of Linux port
Mychaela Falconia <falcon@freecalypso.org>
parents: 311
diff changeset
163 if (ioctl(target_fd, TCSETSF2, &target_termios) < 0)
311
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
164 return E_OS + E_UART_PARAM;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
165
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
166 return bps;
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
167 }
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
168
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
169 int serial_baudrate_get(void)
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
170 {
342
6ff231195905 fluid-mnf/serial.[ch]: beginning of Linux port
Mychaela Falconia <falcon@freecalypso.org>
parents: 311
diff changeset
171 return target_termios.c_ospeed;
311
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
172 }
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
173
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
174 void serial_exit(void)
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 serial_reset();
342
6ff231195905 fluid-mnf/serial.[ch]: beginning of Linux port
Mychaela Falconia <falcon@freecalypso.org>
parents: 311
diff changeset
177 close(target_fd);
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 // Clear buffers and transactions.
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
181 void serial_reset(void)
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
182 {
342
6ff231195905 fluid-mnf/serial.[ch]: beginning of Linux port
Mychaela Falconia <falcon@freecalypso.org>
parents: 311
diff changeset
183 ioctl(target_fd, TCFLSH, TCIOFLUSH);
311
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
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
186 // Return the number of milli-seconds it takes to transfer <n> bytes.
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
187 int serial_transfer_time(int size)
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 return 1000 * 10 * size / serial_baudrate_get();
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
190 }
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
191
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 * Send
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
195 ***************************************/
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 int serial_send(char *buf, int size)
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
198 {
342
6ff231195905 fluid-mnf/serial.[ch]: beginning of Linux port
Mychaela Falconia <falcon@freecalypso.org>
parents: 311
diff changeset
199 int cc;
311
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
200
342
6ff231195905 fluid-mnf/serial.[ch]: beginning of Linux port
Mychaela Falconia <falcon@freecalypso.org>
parents: 311
diff changeset
201 cc = write(target_fd, buf, size);
6ff231195905 fluid-mnf/serial.[ch]: beginning of Linux port
Mychaela Falconia <falcon@freecalypso.org>
parents: 311
diff changeset
202 if (cc < 0)
6ff231195905 fluid-mnf/serial.[ch]: beginning of Linux port
Mychaela Falconia <falcon@freecalypso.org>
parents: 311
diff changeset
203 cc = E_OS + E_UART_DRV_SEND;
6ff231195905 fluid-mnf/serial.[ch]: beginning of Linux port
Mychaela Falconia <falcon@freecalypso.org>
parents: 311
diff changeset
204 return cc;
311
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
205 }
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
206
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
207
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 * Receive
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
210 ***************************************/
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
211
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
212 void serial_recv_reset(void)
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
213 {
342
6ff231195905 fluid-mnf/serial.[ch]: beginning of Linux port
Mychaela Falconia <falcon@freecalypso.org>
parents: 311
diff changeset
214 ioctl(target_fd, TCFLSH, TCIFLUSH);
311
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
215 }
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
216
342
6ff231195905 fluid-mnf/serial.[ch]: beginning of Linux port
Mychaela Falconia <falcon@freecalypso.org>
parents: 311
diff changeset
217 int serial_recv(char *buf, int size, int timeout)
311
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
218 {
344
2bd27d940023 fluid-mnf/serial.c: serial_recv() implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 343
diff changeset
219 fd_set fds;
2bd27d940023 fluid-mnf/serial.c: serial_recv() implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 343
diff changeset
220 struct timeval tv;
2bd27d940023 fluid-mnf/serial.c: serial_recv() implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 343
diff changeset
221 int cc;
2bd27d940023 fluid-mnf/serial.c: serial_recv() implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 343
diff changeset
222
2bd27d940023 fluid-mnf/serial.c: serial_recv() implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 343
diff changeset
223 for (;;) {
2bd27d940023 fluid-mnf/serial.c: serial_recv() implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 343
diff changeset
224 FD_ZERO(&fds);
2bd27d940023 fluid-mnf/serial.c: serial_recv() implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 343
diff changeset
225 FD_SET(target_fd, &fds);
2bd27d940023 fluid-mnf/serial.c: serial_recv() implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 343
diff changeset
226 tv.tv_sec = timeout / 1000;
2bd27d940023 fluid-mnf/serial.c: serial_recv() implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 343
diff changeset
227 tv.tv_usec = (timeout % 1000) * 1000;
2bd27d940023 fluid-mnf/serial.c: serial_recv() implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 343
diff changeset
228 cc = select(target_fd+1, &fds, NULL, NULL, &tv);
2bd27d940023 fluid-mnf/serial.c: serial_recv() implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 343
diff changeset
229 if (cc < 0) {
2bd27d940023 fluid-mnf/serial.c: serial_recv() implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 343
diff changeset
230 if (errno == EINTR)
2bd27d940023 fluid-mnf/serial.c: serial_recv() implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 343
diff changeset
231 continue;
2bd27d940023 fluid-mnf/serial.c: serial_recv() implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 343
diff changeset
232 return E_OS + E_UART_DRV_RECV;
2bd27d940023 fluid-mnf/serial.c: serial_recv() implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 343
diff changeset
233 }
2bd27d940023 fluid-mnf/serial.c: serial_recv() implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 343
diff changeset
234 break;
2bd27d940023 fluid-mnf/serial.c: serial_recv() implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 343
diff changeset
235 }
2bd27d940023 fluid-mnf/serial.c: serial_recv() implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 343
diff changeset
236 if (cc == 0)
2bd27d940023 fluid-mnf/serial.c: serial_recv() implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 343
diff changeset
237 return cc;
2bd27d940023 fluid-mnf/serial.c: serial_recv() implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 343
diff changeset
238 cc = read(target_fd, buf, size);
2bd27d940023 fluid-mnf/serial.c: serial_recv() implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 343
diff changeset
239 if (cc <= 0)
2bd27d940023 fluid-mnf/serial.c: serial_recv() implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 343
diff changeset
240 cc = E_OS + E_UART_DRV_RECV;
2bd27d940023 fluid-mnf/serial.c: serial_recv() implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 343
diff changeset
241 return cc;
311
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
242 }
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
243
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 * Control of Delta cable special outputs
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
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
249 void serial_rts(char state)
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
250 {
342
6ff231195905 fluid-mnf/serial.[ch]: beginning of Linux port
Mychaela Falconia <falcon@freecalypso.org>
parents: 311
diff changeset
251 int rts_arg = TIOCM_RTS;
6ff231195905 fluid-mnf/serial.[ch]: beginning of Linux port
Mychaela Falconia <falcon@freecalypso.org>
parents: 311
diff changeset
252
311
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
253 if (state)
342
6ff231195905 fluid-mnf/serial.[ch]: beginning of Linux port
Mychaela Falconia <falcon@freecalypso.org>
parents: 311
diff changeset
254 ioctl(target_fd, TIOCMBIS, &rts_arg);
311
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
255 else
342
6ff231195905 fluid-mnf/serial.[ch]: beginning of Linux port
Mychaela Falconia <falcon@freecalypso.org>
parents: 311
diff changeset
256 ioctl(target_fd, TIOCMBIC, &rts_arg);
311
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
257 }
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 void serial_dtr(char state)
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
260 {
342
6ff231195905 fluid-mnf/serial.[ch]: beginning of Linux port
Mychaela Falconia <falcon@freecalypso.org>
parents: 311
diff changeset
261 int dtr_arg = TIOCM_DTR;
6ff231195905 fluid-mnf/serial.[ch]: beginning of Linux port
Mychaela Falconia <falcon@freecalypso.org>
parents: 311
diff changeset
262
311
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
263 if (state)
342
6ff231195905 fluid-mnf/serial.[ch]: beginning of Linux port
Mychaela Falconia <falcon@freecalypso.org>
parents: 311
diff changeset
264 ioctl(target_fd, TIOCMBIS, &dtr_arg);
311
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
265 else
342
6ff231195905 fluid-mnf/serial.[ch]: beginning of Linux port
Mychaela Falconia <falcon@freecalypso.org>
parents: 311
diff changeset
266 ioctl(target_fd, TIOCMBIC, &dtr_arg);
311
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
267 }
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 void serial_break(char state)
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 if (state)
342
6ff231195905 fluid-mnf/serial.[ch]: beginning of Linux port
Mychaela Falconia <falcon@freecalypso.org>
parents: 311
diff changeset
272 ioctl(target_fd, TIOCSBRK);
311
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
273 else
342
6ff231195905 fluid-mnf/serial.[ch]: beginning of Linux port
Mychaela Falconia <falcon@freecalypso.org>
parents: 311
diff changeset
274 ioctl(target_fd, TIOCCBRK);
311
9cecc930d78f fluid-mnf: original source from TI,
Mychaela Falconia <falcon@freecalypso.org>
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275 }