+/*
+ * (c) 2011 Siegen, Germany by Nils Faerber <nils.faerber@kernelconcepts.de>
+ *
+ * license LGPL
+ */
+
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <termios.h>
+#include <ctype.h>
+
+#include <errno.h>
+
+#include <bluetooth/bluetooth.h>
+#include <bluetooth/rfcomm.h>
+
+/*
+#include <bluetooth/sdp.h>
+#include <bluetooth/sdp_lib.h>
+*/
+
+#include "metawatch.h"
+#include "crc16ccitt.h"
+
+
+void bitmap_test(int mw_fd)
+{
+ /* a nice checker-board pattern */
+ unsigned char checkbuf[24] = {
+ 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+ 0x55, 0x55, 0x55, 0x55, 0x55, 0x55,
+ 0x55, 0x55, 0x55, 0x55, 0x55, 0x55,
+ };
+ mw_write_buffer(mw_fd, MW_SCREEN_MODE_IDLE, 0, 31, checkbuf, 24);
+ mw_write_buffer(mw_fd, MW_SCREEN_MODE_IDLE, 0, 33, checkbuf, 24);
+ mw_write_buffer(mw_fd, MW_SCREEN_MODE_IDLE, 0, 35, checkbuf, 24);
+ mw_write_buffer(mw_fd, MW_SCREEN_MODE_IDLE, 0, 37, checkbuf, 24);
+
+ mw_update_display(mw_fd, MW_SCREEN_MODE_IDLE, 1);
+}
+
+
+void bitmap_read(int mw_fd)
+{
+ int ffd, ret;
+ char rbuf[256];
+ unsigned int width, height, i, x, y;
+ unsigned int rowlength;
+ unsigned char *bmapbuf;
+ // unsigned char mw_buf[24];
+
+ ffd = open("test.pbm", O_RDONLY);
+ if (ffd < 0) {
+ perror("open");
+ return;
+ };
+ ret = read(ffd, rbuf, 3);
+ if (rbuf[0] != 'P' || rbuf[1] != '4') {
+ fprintf(stderr, "not a PBM file\n");
+ return;
+ }
+ memset(rbuf, 0, 256);
+ i = 0;
+ do {
+ ret = read(ffd, (rbuf+i), 1);
+ } while (!isspace(rbuf[i++]));
+ width = atoi(rbuf);
+
+ memset(rbuf, 0, 256);
+ i = 0;
+ do {
+ ret = read(ffd, (rbuf+i), 1);
+ } while (!isspace(rbuf[i++]));
+ height = atoi(rbuf);
+
+ rowlength = ((width / 8) + 1);
+
+ bmapbuf = malloc(rowlength * height);
+
+ ret = read(ffd, bmapbuf, rowlength * height);
+ close(ffd);
+
+#ifdef DEBUG
+ fprintf(stderr, "row length = %d bytes\n", rowlength);
+ fprintf(stderr, "bitmap resolution is %d x %d\n", width, height);
+ fprintf(stderr, "read %d of %d bytes\n", ret, rowlength * height);
+ fprintf(stderr, "\n");
+ for (y=0; y<height; y++) {
+ for (x=0; x<rowlength; x++) {
+ for (i=0; i<8; i++)
+ fprintf(stderr, "%c", (bmapbuf[(y*rowlength)+x] & (1<<(7-i))) ? '.' : ' ');
+ }
+ fprintf(stderr, "\n");
+ }
+ fprintf(stderr, "\n");
+#endif
+
+ /* reverse bits and invert the bmap */
+ bmap_buffer_flipinvert(1, 0, bmapbuf, rowlength * height);
+ /* send the buffer to the watch */
+ mw_send_bitmap(mw_fd, MW_SCREEN_MODE_IDLE, width, height, 31, bmapbuf, rowlength * height);
+ /* update the display */
+ mw_update_display(mw_fd, MW_SCREEN_MODE_IDLE, 1);
+
+ free(bmapbuf);
+}
+
+void print_help(void)
+{
+}
+
+void process_cmd(char *cmdline, int clinep, int mw_fd)
+{
+ unsigned char mdata[32];
+
+ fprintf(stderr, "command: '%s'\n", cmdline);
+
+ if (strncmp(cmdline, "quit", 4) == 0) {
+ close(mw_fd);
+ exit(0);
+ }
+ if (strncmp(cmdline, "help", 4) == 0) {
+ print_help();
+ }
+ if (strncmp(cmdline, "srtc", 4) == 0) {
+ fprintf(stderr, "Setting RTC from system time...");
+ mw_set_rtc(mw_fd, MW_RTC_CLOCK_24HR, MW_RTC_DATE_DDMM);
+ fprintf(stderr, "OK\n");
+ }
+ if (strncmp(cmdline, "grtc", 4) == 0) {
+ mw_send_frame(mw_fd, MW_GET_REAL_TIME_CLOCK, 0, NULL, 0);
+ }
+ if (strncmp(cmdline, "gistr", 5) == 0) {
+ mdata[0] = 0;
+ mw_send_frame(mw_fd, MW_GET_INFORMATION_STRING, 0, mdata, 1);
+ }
+ if (strncmp(cmdline, "gdtype", 6) == 0) {
+ mw_send_frame(mw_fd, MW_GET_DEVICE_TYPE, 0, NULL, 0);
+ }
+ if (strncmp(cmdline, "rvbat", 5) == 0) {
+ mw_send_frame(mw_fd, MW_READ_BATTERY_VOLTAGE_MSG, 0, NULL, 0);
+ }
+ if (strncmp(cmdline, "modecfg", 6) == 0) {
+ mw_configure_watch_mode(mw_fd, MW_SCREEN_MODE_IDLE, 0, 4, 1);
+ mw_update_display(mw_fd, MW_SCREEN_MODE_IDLE, 0);
+ }
+ if (strncmp(cmdline, "rbtcfg", 6) == 0) {
+ mdata[0] = 0; /* idle screen */
+ mdata[1] = 1; /* button index */
+ mdata[2] = 2; /* button press type */
+ mdata[3] = 3; /* callback message type */
+ mdata[4] = 4; /* callback message option */
+ mw_send_frame(mw_fd, MW_READ_BUTTON_CONFIG, 0, NULL, 0);
+ }
+ if (strncmp(cmdline, "svib", 4) == 0) {
+ mw_set_vibrate_mode(mw_fd, 1, 300, 300, 5);
+ }
+ if (strncmp(cmdline, "tbmp", 4) == 0) {
+ bitmap_test(mw_fd);
+ }
+ if (strncmp(cmdline, "rbmp", 4) == 0) {
+ bitmap_read(mw_fd);
+ }
+}
+
+
+int menu(int mw_fd)
+{
+ fd_set mfds;
+ struct termios tconfd, tmwfd;
+ char cmdline[128];
+ unsigned char msg_buf[64];
+ unsigned char clinep = 0;
+ int rcvd;
+
+ tcgetattr(0, &tconfd);
+ cfmakeraw(&tconfd);
+ tconfd.c_oflag |= ONLCR | OPOST;
+ tconfd.c_lflag |= ISIG;
+ tcsetattr(0, TCSANOW, &tconfd);
+
+ tcgetattr(mw_fd, &tmwfd);
+ cfmakeraw(&tmwfd);
+ tmwfd.c_oflag |= ONLCR | OPOST;
+ tmwfd.c_lflag |= ISIG;
+ tcsetattr(mw_fd, TCSANOW, &tmwfd);
+
+ FD_ZERO(&mfds);
+ FD_SET(0, &mfds);
+ FD_SET(mw_fd, &mfds);
+
+ memset(cmdline, 0, 128);
+
+ do {
+ rcvd = 0;
+ if (select(mw_fd+1, &mfds, NULL, NULL, NULL) > 0) {
+ if (FD_ISSET(mw_fd, &mfds)) {
+ rcvd = read(mw_fd, msg_buf, 64);
+ fprintf(stderr, "read %d bytes:\n", rcvd);
+ if (rcvd > 0) {
+ dump_frame(msg_buf, rcvd);
+ decode_frame(mw_fd, msg_buf, rcvd);
+ }
+ };
+ if (FD_ISSET(0, &mfds)) {
+ rcvd = read(0, (cmdline+clinep), 1);
+ if (rcvd > 0) {
+ if (cmdline[clinep] == '\r') {
+ printf("\n");
+ cmdline[clinep--] = '\0';
+ process_cmd(cmdline, clinep, mw_fd);
+ clinep = 0;
+ memset(cmdline, 0, 128);
+ } else {
+ clinep++;
+ if (clinep > 75)
+ clinep = 75;
+ printf("\r> %s", cmdline);
+ fflush(stdout);
+ }
+ }
+ };
+ } else
+ break;
+ FD_ZERO(&mfds);
+ FD_SET(0, &mfds);
+ FD_SET(mw_fd, &mfds);
+ } while (rcvd > 0);
+
+ return 0;
+}
+
+int open_socket(bdaddr_t *bdaddr, uint8_t channel)
+{
+ struct sockaddr_rc addr;
+ int sk, opt;
+ int f;
+
+ sk = socket(PF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM);
+ if (sk < 0) {
+ fprintf(stderr, "Can't create socket: %s (%d)\n",
+ strerror(errno), errno);
+ return -1;
+ }
+
+/*
+ f = 1;
+ if (setsockopt(sk, SOL_BLUETOOTH, BT_FLUSHABLE, &f, sizeof(f)) < 0) {
+ fprintf(stderr, "Can't set flushable: %s (%d)\n",
+ strerror(errno), errno);
+ return -1;
+ }
+*/
+ memset(&addr, 0, sizeof(addr));
+ addr.rc_family = AF_BLUETOOTH;
+ bacpy(&addr.rc_bdaddr, BDADDR_ANY);
+
+ if (bind(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
+ fprintf(stderr, "Can't bind socket: %s (%d)\n",
+ strerror(errno), errno);
+ close(sk);
+ return -1;
+ }
+
+ /* Set link mode */
+ opt = 0;
+ opt |= RFCOMM_LM_MASTER;
+ opt |= RFCOMM_LM_AUTH;
+/*
+ opt |= RFCOMM_LM_ENCRYPT;
+ opt |= RFCOMM_LM_SECURE;
+*/
+ if (opt && setsockopt(sk, SOL_RFCOMM, RFCOMM_LM, &opt, sizeof(opt)) < 0) {
+ fprintf(stderr, "Can't set RFCOMM link mode: %s (%d)",
+ strerror(errno), errno);
+ close(sk);
+ return -1;
+ }
+
+ memset(&addr, 0, sizeof(addr));
+ addr.rc_family = AF_BLUETOOTH;
+ bacpy(&addr.rc_bdaddr, bdaddr);
+ addr.rc_channel = channel;
+
+ if (connect(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
+ fprintf(stderr, "Can't connect: %s (%d)\n",
+ strerror(errno), errno);
+ close(sk);
+ return -1;
+ }
+
+ return sk;
+}
+
+void baswap(bdaddr_t *dst, const bdaddr_t *src)
+{
+ register unsigned char *d = (unsigned char *) dst;
+ register const unsigned char *s = (const unsigned char *) src;
+ register int i;
+
+ for (i = 0; i < 6; i++)
+ d[i] = s[5-i];
+}
+int bachk(const char *str)
+{
+ if (!str)
+ return -1;
+
+ if (strlen(str) != 17)
+ return -1;
+
+ while (*str) {
+ if (!isxdigit(*str++))
+ return -1;
+
+ if (!isxdigit(*str++))
+ return -1;
+
+ if (*str == 0)
+ break;
+
+ if (*str++ != ':')
+ return -1;
+ }
+
+ return 0;
+}
+
+int str2ba(const char *str, bdaddr_t *ba)
+{
+ bdaddr_t b;
+ int i;
+
+ if (bachk(str) < 0) {
+ memset(ba, 0, sizeof(*ba));
+ return -1;
+ }
+
+ for (i = 0; i < 6; i++, str += 3)
+ b.b[i] = strtol(str, NULL, 16);
+
+ baswap(ba, &b);
+
+ return 0;
+}
+
+int main(int argc, char **argv)
+{
+ int mw_fd;
+ bdaddr_t btaddr;
+
+ if (argc != 2) {
+ fprintf(stderr, "Usage:\n\t%s <devicename>\n", argv[0]);
+ return 1;
+ };
+
+ crc16ccitt_init();
+
+#if USE_RFCOMM_FILE
+ mw_fd = open(argv[1], O_RDWR);
+ if (mw_fd < 0) {
+ perror("open");
+ return 1;
+ };
+#else
+ if (str2ba(argv[1], &btaddr))
+ return 1;
+ mw_fd = open_socket(&btaddr, 1);
+ if (mw_fd < 0) {
+ return 1;
+ };
+#endif
+
+ menu(mw_fd);
+
+ fsync(mw_fd);
+
+ close(mw_fd);
+
+ return 0;
+};
+