EMILE/tools/emile-set-output.c

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/*
*
* (c) 2004 Laurent Vivier <LaurentVivier@wanadoo.fr>
*
*/
#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
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#include "libemile.h"
static char *parity[3] = { "None", "Odd", "Even" };
static void usage(int argc, char** argv)
{
fprintf(stderr, "Usage:\n");
fprintf(stderr, "\n%s <file> --display [--width <width>] [--height <height>] [--depth <depth>]\n", argv[0]);
fprintf(stderr, " Enable output to display and set configuration\n");
fprintf(stderr, "\n%s <image> --modem [--bitrate <bitrate>] [--datasize <datasize>] [--parity <parity>] [--stopbits <stopbits>]\n", argv[0]);
fprintf(stderr, " Enable output to serial port 0 (modem) and set configuration\n");
fprintf(stderr, "\n%s <image> --printer [--bitrate <bitrate>] [--datasize <datasize>] [--parity <parity>] [--stopbits <stopbits>]\n", argv[0]);
fprintf(stderr, " Enable output to serial port 1 (printer) and set configuration\n");
fprintf(stderr, "\n <parity> is 0 for none, 1 for odd, 2 for even\n");
fprintf(stderr, "\n%s <image> --nodisplay\n", argv[0]);
fprintf(stderr, " Disable output to display\n");
fprintf(stderr, "\n%s <image> --nomodem\n", argv[0]);
fprintf(stderr, " Disable output to port 0 (modem)\n");
fprintf(stderr, "\n%s <image> --noprinter\n", argv[0]);
fprintf(stderr, " Disable output to port 1 (printer)\n");
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fprintf(stderr, "\n%s <image> --gestaltid <id>\n", argv[0]);
fprintf(stderr, " Force <id> as gestalt id (set 0 to unset)\n");
fprintf(stderr, "\n%s <image>\n", argv[0]);
fprintf(stderr, " Display current configuration\n");
fprintf(stderr, "\nbuild: \n%s\n", SIGNATURE);
}
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static int display_output(char* image)
{
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unsigned int console_mask;
unsigned int bitrate0;
int datasize0;
int parity0;
int stopbits0;
unsigned int bitrate1;
int datasize1;
int parity1;
int stopbits1;
int gestaltid;
int drive, second, size;
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int fd;
int ret;
fd = open(image, O_RDONLY);
if (fd == -1)
{
perror("Cannot open file");
return 2;
}
/* can work on an image or directly on second level file */
ret = emile_first_get_param(fd, &drive, &second, &size);
if (ret == EEMILE_UNKNOWN_FIRST)
{
/* should be a second level file */
ret = lseek(fd, 0, SEEK_SET);
if (ret == -1)
{
perror("Cannot go to buffer offset");
close(fd);
return 3;
}
}
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ret = emile_second_get_output(fd, &console_mask, &bitrate0,
&datasize0, &parity0, &stopbits0,
&bitrate1, &datasize1, &parity1,
&stopbits1, &gestaltid);
if (ret)
{
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perror("Cannot read header");
close(fd);
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return 4;
}
close(fd);
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if (console_mask & STDOUT_VGA)
printf("Output to display enabled\n");
else
printf("Output to display disabled\n");
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if (console_mask & STDOUT_SERIAL0)
printf("Output to serial port 0 (modem) enabled\n");
else
printf("Output to serial port 0 (modem) disabled\n");
printf(" Bitrate: %d Datasize: %d Parity: %s Stopbits: %d\n",
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bitrate0, datasize0, parity[parity0], stopbits0);
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if (console_mask & STDOUT_SERIAL1)
printf("Output to serial port 1 (printer) enabled\n");
else
printf("Output to serial port 1 (printer) disabled\n");
printf(" Bitrate: %d Datasize: %d Parity: %s Stopbits: %d\n",
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bitrate1, datasize1, parity[parity1], stopbits1);
if (gestaltid)
printf("Force Gestalt ID to %d\n", gestaltid);
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else
printf("Gestalt ID is not modified\n");
return 0;
}
static int set_output(char* image,
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unsigned int enable_mask, unsigned int disable_mask,
unsigned int bitrate0, int datasize0,
int parity0, int stopbits0,
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unsigned int bitrate1, int datasize1,
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int parity1, int stopbits1, int gestaltid)
{
int fd;
int ret;
fd = open(image, O_RDWR);
if (fd == -1)
{
perror("Cannot open image file");
return 2;
}
ret = lseek(fd, FIRST_LEVEL_SIZE, SEEK_SET);
if (ret == -1)
{
perror("Cannot go to buffer offset");
close(fd);
return 3;
}
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ret = emile_second_set_output(fd, enable_mask, disable_mask,
bitrate0, datasize0, parity0, stopbits0,
bitrate1, datasize1, parity1, stopbits1,
gestaltid);
if (ret)
{
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perror("Cannot write header");
close(fd);
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return 4;
}
close(fd);
return 0;
}
int main(int argc, char** argv)
{
int ret;
char* image;
if (argc < 2)
{
usage(argc, argv);
return 1;
}
image = argv[1];
if (argc == 2)
display_output(image);
else
{
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unsigned int enable_mask = 0;
unsigned int disable_mask = 0;
unsigned int last = 0;
int i = 2;
int width = 0, height = 0 , depth = 0;
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unsigned int bitrate0 = 0, bitrate1 = 0;
int datasize0 = -1, datasize1 = -1;
int stopbits0 = -1, stopbits1 = -1;
int parity0 = -1, parity1 = -1;
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int gestaltid = 0;
while (i < argc) {
if (!strcmp("--help", argv[i])) {
usage(argc, argv);
return 0;
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} else if (!strcmp("--gestaltid", argv[i])) {
i++;
if (i >= argc) {
usage(argc, argv);
return 0;
}
gestaltid = atol(argv[i++]);
} else if (!strcmp("--nodisplay", argv[i])) {
disable_mask |= STDOUT_VGA;
last = 0;
i++;
} else if (!strcmp("--nomodem", argv[i])) {
disable_mask |= STDOUT_SERIAL0;
last = 0;
} else if (!strcmp("--noprinter", argv[i])) {
disable_mask |= STDOUT_SERIAL1;
last = 0;
i++;
} else if (!strcmp("--display", argv[i])) {
enable_mask |= STDOUT_VGA;
last = STDOUT_VGA;
i++;
} else if (!strcmp("--modem", argv[i])) {
enable_mask |= STDOUT_SERIAL0;
last = STDOUT_SERIAL0;
i++;
} else if (!strcmp("--printer", argv[i])) {
enable_mask |= STDOUT_SERIAL1;
last = STDOUT_SERIAL1;
i++;
} else if (last == STDOUT_VGA) {
if (!strcmp("--width", argv[i])) {
i++;
if (i >= argc)
{
fprintf(stderr, "Missing parameter for --width\n");
return -1;
}
width = atol(argv[i++]);
} else if (!strcmp("--height", argv[i])) {
i++;
if (i >= argc)
{
fprintf(stderr, "Missing parameter for --height\n");
return -1;
}
height = atol(argv[i++]);
} else if (!strcmp("--depth", argv[i])) {
i++;
if (i >= argc)
{
fprintf(stderr, "Missing parameter for --depth\n");
return -1;
}
depth = atol(argv[i++]);
}
else {
fprintf(stderr, "Unknown parameter %s\n", argv[i]);
return -1;
}
} else if (last == STDOUT_SERIAL0) {
if (!strcmp("--bitrate", argv[i])) {
i++;
if (i >= argc)
{
fprintf(stderr, "Missing parameter for --bitrate\n");
return -1;
}
bitrate0 = atol(argv[i++]);
} else if (!strcmp("--datasize", argv[i])) {
i++;
if (i >= argc)
{
fprintf(stderr, "Missing parameter for --datasize\n");
return -1;
}
datasize0 = atol(argv[i++]);
} else if (!strcmp("--parity", argv[i])) {
i++;
if (i >= argc)
{
fprintf(stderr, "Missing parameter for --parity\n");
return -1;
}
parity0 = atol(argv[i++]);
} else if (!strcmp("--stopbits", argv[i])) {
i++;
if (i >= argc)
{
fprintf(stderr, "Missing parameter for --stopbits\n");
return -1;
}
stopbits0 = atol(argv[i++]);
}
else {
fprintf(stderr, "Unknown parameter %s\n", argv[i]);
return -1;
}
} else if (last == STDOUT_SERIAL1) {
if (!strcmp("--bitrate", argv[i])) {
i++;
if (i >= argc)
{
fprintf(stderr, "Missing parameter for --bitrate\n");
return -1;
}
bitrate1 = atol(argv[i++]);
} else if (!strcmp("--datasize", argv[i])) {
i++;
if (i >= argc)
{
fprintf(stderr, "Missing parameter for --datasize\n");
return -1;
}
datasize1 = atol(argv[i++]);
} else if (!strcmp("--parity", argv[i])) {
i++;
if (i >= argc)
{
fprintf(stderr, "Missing parameter for --parity\n");
return -1;
}
parity1 = atol(argv[i++]);
} else if (!strcmp("--stopbits", argv[i])) {
i++;
if (i >= argc)
{
fprintf(stderr, "Missing parameter for --stopbits\n");
return -1;
}
stopbits1 = atol(argv[i++]);
}
else {
fprintf(stderr, "Unknown parameter %s\n", argv[i]);
return -1;
}
}
else {
fprintf(stderr, "Unknown parameter %s\n", argv[i]);
return -1;
}
}
if ( width || height || depth) {
fprintf(stderr, "WARNING: setting display properties is not yet implemented !\n");
}
if (enable_mask & disable_mask) {
fprintf(stderr, "Cannot enable and disable at same time\n");
return -1;
}
ret = set_output(image, enable_mask, disable_mask,
bitrate0, datasize0, parity0, stopbits0,
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bitrate1, datasize1, parity1, stopbits1,
gestaltid);
}
return ret;
}