| Line 10... |
Line 10... |
#include <fcntl.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <unistd.h>
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#include <termios.h>
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#include <termios.h>
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#define SERIAL_PORT "/dev/ttyS0"
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#define SYN ((unsigned char) 's')
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#define SYN ((unsigned char) 's')
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#define ACK ((unsigned char) 'a')
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#define ACK ((unsigned char) 'a')
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#define LINE_SIZE 520
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#define LINE_SIZE 520
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| Line 50... |
Line 48... |
}
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}
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exit(1);
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exit(1);
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}
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}
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void serialOpen(void) {
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void serialOpen(char *serialPort) {
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sfd = open(SERIAL_PORT, O_RDWR | O_NOCTTY | O_NDELAY);
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sfd = open(serialPort, O_RDWR | O_NOCTTY | O_NDELAY);
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if (sfd == -1) {
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if (sfd == -1) {
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error("cannot open serial port '%s'", SERIAL_PORT);
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error("cannot open serial port '%s'", serialPort);
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}
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}
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tcgetattr(sfd, &origOptions);
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tcgetattr(sfd, &origOptions);
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currOptions = origOptions;
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currOptions = origOptions;
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cfsetispeed(&currOptions, B38400);
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cfsetispeed(&currOptions, B38400);
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cfsetospeed(&currOptions, B38400);
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cfsetospeed(&currOptions, B38400);
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| Line 69... |
Line 67... |
currOptions.c_cflag &= ~CRTSCTS;
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currOptions.c_cflag &= ~CRTSCTS;
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currOptions.c_lflag &= ~(ICANON | ECHO | ECHONL | ISIG | IEXTEN);
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currOptions.c_lflag &= ~(ICANON | ECHO | ECHONL | ISIG | IEXTEN);
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currOptions.c_iflag &= ~(IGNBRK | BRKINT | IGNPAR | PARMRK);
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currOptions.c_iflag &= ~(IGNBRK | BRKINT | IGNPAR | PARMRK);
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currOptions.c_iflag &= ~(INPCK | ISTRIP | INLCR | IGNCR | ICRNL);
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currOptions.c_iflag &= ~(INPCK | ISTRIP | INLCR | IGNCR | ICRNL);
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currOptions.c_iflag &= ~(IXON | IXOFF | IXANY);
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currOptions.c_iflag &= ~(IXON | IXOFF | IXANY);
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currOptions.c_oflag &= ~(OPOST | ONLCR | OCRNL | ONOCR | ONLRET | OFILL);
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currOptions.c_oflag &= ~(OPOST | ONLCR | OCRNL | ONOCR | ONLRET);
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tcsetattr(sfd, TCSANOW, &currOptions);
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tcsetattr(sfd, TCSANOW, &currOptions);
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}
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}
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void serialClose(void) {
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void serialClose(void) {
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| Line 120... |
Line 118... |
unsigned char b;
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unsigned char b;
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unsigned char cmd;
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unsigned char cmd;
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char line[LINE_SIZE];
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char line[LINE_SIZE];
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int n, i;
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int n, i;
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if (argc != 2) {
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if (argc != 3) {
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printf("Usage: %s <file to be loaded>\n", argv[0]);
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printf("Usage: %s <serial port> <file to be loaded>\n", argv[0]);
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exit(1);
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exit(1);
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}
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}
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loadName = argv[1];
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loadName = argv[2];
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loadFile = fopen(loadName, "rt");
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loadFile = fopen(loadName, "rt");
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if (loadFile == NULL) {
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if (loadFile == NULL) {
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error("cannot open file to be loaded '%s'", loadName);
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error("cannot open file to be loaded '%s'", loadName);
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}
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}
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/* open serial interface */
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/* open serial interface */
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serialOpen();
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serialOpen(argv[1]);
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/* wait for client to connect */
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/* wait for client to connect */
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printf("Waiting for client...\n");
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printf("Waiting for client...\n");
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while (1) {
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while (1) {
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if (serialRcv(&b) && b == SYN) {
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if (serialRcv(&b) && b == SYN) {
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break;
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break;
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