#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, "Status change event for mode %s: %s\n", mw_screen_mode_names[option&0x0f], mw_status_string[statrsp[0]]);
}
-/* ---------------------------------------------------------------------- */
+
+/* ----------------------------------------------------------------------
+ * Protocol handling
+ * ---------------------------------------------------------------------- */
+
int decode_frame(int mw_fd, unsigned char *buf, int len)
{
}
-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 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);
-
- fprintf(stderr, "bitmap resolution is %d x %d\n", width, height);
-
rowlength = ((width / 8) + 1);
- fprintf(stderr, "row length = %d bytes\n", rowlength);
-
- bmapbuf = malloc(rowlength * height);
+ if ((height + offset) > 96)
+ height = 96 - offset;
- ret = read(ffd, bmapbuf, rowlength * height);
- close(ffd);
- fprintf(stderr, "read %d of %d bytes\n", ret, rowlength * height);
-
-#if 0
+#ifdef DEBUG
+ fprintf(stderr, "row length = %d bytes\n", rowlength);
+ 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);
+ mw_write_buffer(mw_fd, mode, 0, 31+y, mw_buf, 24);
}
- 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;
- 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;
-};
-