--- /dev/null
+/*********************************************************************
+ *
+ * LPC1114 ISP
+ *
+ *********************************************************************/
+
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdint.h>
+
+#include <unistd.h> /* for open, getopt, close */
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <string.h>
+
+#include <termios.h>
+#include <ctype.h>
+#include <errno.h>
+
+#include <getopt.h> /* for getopt */
+
+#define PROG_NAME "LPC11xx ISP"
+#define VERSION "0.01"
+
+/* short explanation on exit values:
+ *
+ * 0 is OK
+ * 1 is arg error
+ *
+ */
+
+
+void help(char *prog_name)
+{
+ fprintf(stderr, "-----------------------------------------------------------------------\n");
+ fprintf(stderr, "Usage: %s [options] device command [command arguments]\n" \
+ "Default baudrate is B115200\n" \
+ "<device> is the (host) serial line used to programm the device\n" \
+ "<command> is one of:\n" \
+ " synchronize \n" \
+ " unlock \n" \
+ " set-baud-rate \n" \
+ " echo \n" \
+ " write-to-ram \n" \
+ " read-memory \n" \
+ " prepare-for-write \n" \
+ " copy-ram-to-flash \n" \
+ " go \n" \
+ " erase \n" \
+ " blank-check \n" \
+ " read-part-id \n" \
+ " read-boot-version \n" \
+ " compare \n" \
+ " read-uid \n" \
+ "Available options:\n" \
+ " -s | --synchronize : Perform synchronization before sending command\n" \
+ " -b | --baudrate=N : Use this baudrate (does not issue the set-baud-rate command)\n" \
+ " -t | --trace : turn on trace output of serial communication\n" \
+ " -h | --help : display this help\n" \
+ " -v | --version : display version information\n", prog_name);
+ fprintf(stderr, "-----------------------------------------------------------------------\n");
+}
+
+#define SERIAL_BUFSIZE 128
+
+#define SYNCHRO_START '?'
+#define SYNCHRO "Synchronized"
+
+#define SERIAL_BAUD B115200
+
+char * serial_device = NULL;
+int serial_fd = -1;
+int trace_on = 0;
+
+int serial_open(int baudrate)
+{
+ struct termios tio;
+
+ if (serial_device == NULL) {
+ printf("No serial device given on command line\n");
+ exit(-1);
+ }
+
+ /* Open serial port */
+ serial_fd = open(serial_device, O_RDWR | O_NONBLOCK);
+ if (serial_fd < 0) {
+ perror("Unable to open serial_device");
+ printf("Tried to open %s.\n", serial_device);
+ return -1;
+ }
+ /* Setup serial port */
+ memset(&tio, 0, sizeof(tio));
+ tio.c_iflag = IXON | IXOFF; /* See section 21.4.4 of LPC11xx user's manual (UM10398) */
+ tio.c_cflag = CS8 | CREAD | CLOCAL; /* 8n1, see termios.h for more information */
+ tio.c_cc[VMIN] = 1;
+ tio.c_cc[VTIME] = 5;
+ cfsetospeed(&tio, baudrate);
+ cfsetispeed(&tio, baudrate);
+ tcsetattr(serial_fd, TCSANOW, &tio);
+
+ return 0;
+}
+
+int serial_write(const char* buf, int buf_size)
+{
+ int nb = 0;
+
+ if (trace_on) {
+ printf("Sending %d :\n", buf_size);
+ /* FIXME : display data as in hexdump -C */
+ }
+ nb = write(serial_fd, buf, buf_size);
+ if (nb <= 0) {
+ perror("Serial read error");
+ return -1;
+ }
+ return nb;
+}
+
+int isp_ret_code(char* buf)
+{
+ if (trace_on) {
+ /* FIXME : Find how return code are sent (binary or ASCII) */
+ printf("Received code : '0x%02x'\n", *buf);
+ }
+ return 0;
+}
+
+int serial_read(char* buf, int buf_size)
+{
+ int nb = 0;
+
+ nb = read(serial_fd, buf, buf_size);
+ if (nb < 0) {
+ perror("Serial read error");
+ return -1;
+ } else if (nb == 0) {
+ printf("End of file !!!!\n");
+ return -1;
+ }
+ if (trace_on) {
+ printf("Received : %d octets\n", nb);
+ /* FIXME : display data as in hexdump -C */
+ }
+ return nb;
+}
+
+/* Connect or reconnect to the target */
+/* Return 1 when connection is OK, 0 otherwise */
+int connect()
+{
+ char buf[SERIAL_BUFSIZE];
+
+ /* Send synchronize request */
+ serial_write("?", 1);
+
+ /* Wait for answer */
+ serial_read(buf, SERIAL_BUFSIZE);
+
+ /* Check answer, and acknoledge if OK */
+ if (strncmp(SYNCHRO, buf, strlen(SYNCHRO)) == 0) {
+ serial_write(SYNCHRO, strlen(SYNCHRO));
+ } else {
+ printf("Unable to synchronize.\n");
+ return 0;
+ }
+ /* Empty read buffer (echo on ?) */
+ serial_read(buf, SERIAL_BUFSIZE);
+ /* and turn off echo */
+ serial_write("A 0\r\n", 1);
+
+ return 1;
+}
+
+
+int main(int argc, char** argv)
+{
+ int baudrate = SERIAL_BAUD;
+ int synchronize = 0;
+
+ /* parameter parsing */
+ while(1) {
+ int option_index = 0, c=0;
+
+ struct option long_options[] = {
+ {"help", no_argument, 0, 'h'},
+ {"baudrate", required_argument, 0, 'b'},
+ {"synchronize", no_argument, 0, 's'},
+ {"version", no_argument, 0, 'v'},
+ {0, 0, 0, 0}
+ };
+
+ c = getopt_long_only(argc, argv, "hb:sv", long_options, &option_index);
+
+ /* no more options to parse */
+ if (c == -1) break;
+
+ switch (c) {
+ /* b, baudrate */
+ case 'b':
+ baudrate = atoi(optarg);
+ /* FIXME: validate baudrate */
+ break;
+
+ /* t, trace */
+ case 't':
+ trace_on = 1;
+ break;
+
+ /* s, synchronize */
+ case 's':
+ synchronize = 1;
+ break;
+
+ /* v, version */
+ case 'v':
+ printf("%s Version %s\n", PROG_NAME, VERSION);
+ return 0;
+ break;
+
+ /* h, help */
+ case 'h':
+ default:
+ help(argv[0]);
+ return 0;
+ }
+ }
+
+ /* FIXME : get serial device and command (and arguments) */
+ /* serial_device = strdup(optarg); */
+ if (serial_device == NULL) {
+ return 0;
+ }
+
+
+ serial_open(baudrate);
+
+ /* FIXME : do not sync if command is sync */
+ if (synchronize) {
+ connect();
+ }
+
+ /* FIXME : call command handler */
+
+
+ close(serial_fd);
+ return 0;
+}
+
