/*
* (c) 2011 Siegen, Germany by Nils Faerber <nils.faerber@kernelconcepts.de>
*
- * license LGPL
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
*/
#include <stdio.h>
#include <termios.h>
#include <ctype.h>
+#include "metawatch.h"
#include "metawatch_protocol.h"
#include "crc16ccitt.h"
+#ifdef DEBUG
+const char *mw_screen_mode_names[] = {
+ "idle screen",
+ "application screen",
+ "notification screen",
+ "scroll"
+};
+
+const char *mw_status_string[] = {
+ "Reserved",
+ "Mode Change",
+ "Display Timeout"
+};
+#endif
+
+
#define MW_FRAME_DELAY 0x00
void dump_frame(unsigned char *frame, int len)
return ret;
}
-/*
- * host to watch commands
- */
+
+/* ----------------------------------------------------------------------
+ * Host to watch commands
+ * ---------------------------------------------------------------------- */
+
void mw_set_rtc(int mw_fd, unsigned char clk1224, unsigned char date_fmt)
{
}
-/* ------------------------------------------------------------------------ */
+/* ----------------------------------------------------------------------
+ * Watch responses, events or notifications
+ * ---------------------------------------------------------------------- */
-/*
- * watch responses, events or notifications
- */
void mw_get_real_time_clock_response(int mw_fd, unsigned char *rtcrsp, int len)
{
struct tm mtm;
fprintf(stderr, "battery is at %dV, %s and %s\n", voltage, power_good ? "power is good" : "power fault", bat_charging ? "charging" : "not charging");
}
+void mw_read_light_sensor_response(int mw_fd, unsigned char *lightrsp, int len)
+{
+ unsigned char power_good = lightrsp[0];
+ unsigned char bat_charging = lightrsp[1];
+ unsigned short voltage = *(unsigned short *)(lightrsp+2);
+
+ fprintf(stderr, "light sensor is at %d, power stat: %s and %s\n", voltage, power_good ? "power is good" : "power fault", bat_charging ? "charging" : "not charging");
+}
+
void mw_status_change_event(int mw_fd, unsigned char option, unsigned char *statrsp, int len)
{
+#ifdef DEBUG
fprintf(stderr, "Status change event for mode %s: %s\n", mw_screen_mode_names[option&0x0f], mw_status_string[statrsp[0]]);
+#endif
}
-/* ---------------------------------------------------------------------- */
+
+/* ----------------------------------------------------------------------
+ * Protocol handling
+ * ---------------------------------------------------------------------- */
+
int decode_frame(int mw_fd, unsigned char *buf, int len)
{
if (crc != crc16ccitt(buf, len-2)) {
fprintf(stderr, "decode frame CRC error\n");
return 1;
- } else
+ }
+#ifdef DEBUG
+ else
fprintf(stderr, "decode frame CRC OK\n");
+#endif
if (buf[0] != MW_SOF) {
fprintf(stderr, "decode frame SOF not found\n");
return 1;
- } else
+ }
+#ifdef DEBUG
+ else
fprintf(stderr, "decode frame found SOF\n");
+#endif
msglen = buf[1];
msgtype = buf[2];
msgdata = (buf+4);
switch (msgtype) {
- case MW_GET_REAL_TIME_CLOCK_RSP:
- mw_get_real_time_clock_response(mw_fd, msgdata, len-4-2);
+ case MW_GET_DEVICE_TYPE_RSP:
+ fprintf(stderr, "Got device type ");
+ switch(msgdata[0]) {
+ case 0:
+ fprintf(stderr, "Reserved\n");
+ break;
+ case 1:
+ fprintf(stderr, "Ana-Digi\n");
+ break;
+ case 2:
+ fprintf(stderr, "Digital\n");
+ break;
+ case 3:
+ fprintf(stderr, "Development Board Digital\n");
+ break;
+ case 4:
+ fprintf(stderr, "Development Board Ana-Digi\n");
+ break;
+ default:
+ fprintf(stderr, "unknown %d\n", msgdata[0]);
+ break;
+ };
break;
case MW_GET_INFORMATION_STRING_RSP:
- msgdata[len-4-2] = 0;
- fprintf(stderr, "Got info string '%s'\n", (msgdata+4));
+ msgdata[len-2] = 0;
+ fprintf(stderr, "Got info string '%s'\n", msgdata);
+ break;
+ case MW_GET_REAL_TIME_CLOCK_RSP:
+ mw_get_real_time_clock_response(mw_fd, msgdata, len-2);
break;
case MW_READ_BATTERY_VOLTAGE_RSP:
- mw_get_battery_voltage_response(mw_fd, msgdata, len-4-2);
+ mw_get_battery_voltage_response(mw_fd, msgdata, len-2);
+ break;
+ case MW_READ_LIGHT_SENSOR_RSP:
+ mw_read_light_sensor_response(mw_fd, msgdata, len-2);
break;
case MW_LOW_BATTERY_WARNING_MSG:
fprintf(stderr, "Watch battery low, please connect charger\n");
fprintf(stderr, "Watch battery extremely low - radio will turn off\n");
break;
case MW_STATUS_CHANGE_EVENT:
- mw_status_change_event(mw_fd, msgopt, msgdata, len-4-2);
+ mw_status_change_event(mw_fd, msgopt, msgdata, len-2);
break;
default:
fprintf(stderr, "Unkown msgtype 0x%02x\n", msgtype);
}
-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);
-}
-
+/* ----------------------------------------------------------------------
+ * Convenience functions not strictly part of the protocol
+ * ---------------------------------------------------------------------- */
-void flip_buffer_bytes(unsigned char invert, unsigned char *buf, int len)
+/* if flip=1 bits in each byte are inverted 7->1, 6->2, 5->3,...
+ if invert=1 each byte is inverted
+ */
+void bmap_buffer_flipinvert(unsigned char flip, unsigned char invert, unsigned char *buf, int len)
{
int i;
unsigned char tmp;
while (len--) {
tmp = 0;
- for (i=0; i<8; i++)
- tmp |= ((*buf & (1<<i)) >> i) << (7-i);
- // fprintf(stderr, "0x%02x -> 0x%02x\n", *buf, tmp);
+ if (flip) {
+ for (i=0; i<8; i++)
+ tmp |= ((*buf & (1<<i)) >> i) << (7-i);
+ // fprintf(stderr, "0x%02x -> 0x%02x\n", *buf, tmp);
+ } else
+ tmp = *buf;
*buf = invert ? ~tmp : tmp;
buf++;
}
}
-void bitmap_read(int mw_fd)
+
+void mw_send_bitmap(int mw_fd, unsigned char mode, int width, int height, int offset, unsigned char *bmapbuf, int buflen)
{
- int ffd, ret;
- char rbuf[256];
- unsigned int width, height, i, x, y;
- unsigned int rowlength;
- unsigned char *bmapbuf;
+#ifdef DEBUG
+ unsigned int i, x;
+#endif
+ unsigned int y, rowlength;
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);
-
- fprintf(stderr, "bitmap resolution is %d x %d\n", width, height);
+ rowlength = (((width-1) / 8) + 1);
+ if ((height + offset) > 96)
+ height = 96 - offset;
- rowlength = ((width / 8) + 1);
+#ifdef DEBUG
fprintf(stderr, "row length = %d bytes\n", rowlength);
-
- bmapbuf = malloc(rowlength * height);
-
- ret = read(ffd, bmapbuf, rowlength * height);
- close(ffd);
- fprintf(stderr, "read %d of %d bytes\n", ret, rowlength * height);
-
-#if 0
+ fprintf(stderr, "bitmap resolution is %d x %d\n", width, height);
fprintf(stderr, "\n");
for (y=0; y<height; y++) {
for (x=0; x<rowlength; x++) {
fprintf(stderr, "\n");
#endif
- flip_buffer_bytes(1, bmapbuf, rowlength * height);
-
for (y=0; y<height; y+=2) {
memset(mw_buf, 0, 24);
memcpy(mw_buf, (bmapbuf+(y*rowlength)), (rowlength > 12) ? 12 : rowlength);
memcpy((mw_buf+12), (bmapbuf+((y+1)*rowlength)), (rowlength > 12) ? 12 : rowlength);
- mw_write_buffer(mw_fd, MW_SCREEN_MODE_IDLE, 0, 31+y, mw_buf, 24);
- }
- mw_update_display(mw_fd, MW_SCREEN_MODE_IDLE, 1);
-
- free(bmapbuf);
-}
-
-
-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, "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);
+ mw_write_buffer(mw_fd, mode, 0, 31+y, mw_buf, 24);
}
}
-
-int menu(int mw_fd)
-{
- fd_set mfds;
- struct termios tconfd;
- 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);
-
- 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 main(int argc, char **argv)
-{
- int mw_fd;
-
- if (argc != 2) {
- fprintf(stderr, "Usage:\n\t%s <devicename>\n", argv[0]);
- return 1;
- };
-
- crc16ccitt_init();
-
- mw_fd = open(argv[1], O_RDWR);
- if (mw_fd < 0) {
- perror("open");
- return 1;
- };
-
- menu(mw_fd);
-
- fsync(mw_fd);
-
- close(mw_fd);
-
- return 0;
-};
-
projects / metawatch.git / blobdiff