More functions, changed license to LGPL

[metawatch.git] / metawatch.c

diff --git a/metawatch.c b/metawatch.c
index 15451e9685e26b7b29a33d682cf27f7469ba15a2..17cd6ba991b4c1b5f8f18c1faae8e55af894c5ba 100644 (file)
--- a/metawatch.c
+++ b/metawatch.c
@@ -1,7 +1,7 @@
 /*
  * (c) 2011 Siegen, Germany by Nils Faerber
  *
- * license GPL
+ * license LGPL
  */
 #include <stdio.h>
 #include <sys/types.h>
@@ -17,6 +17,8 @@
 #include "crc16ccitt.h"
 
 
+#define MW_FRAME_DELAY         0x00
+
 void dump_frame(unsigned char *frame, int len)
 {
        int i;
@@ -27,7 +29,7 @@ void dump_frame(unsigned char *frame, int len)
 }
 
 
-int mw_send_packet(int mw_fd, unsigned char msg_type, unsigned char options, unsigned char *data, unsigned char len)
+int mw_send_frame(int mw_fd, unsigned char msg_type, unsigned char options, unsigned char *data, unsigned char len)
 {
        unsigned short crc;
        unsigned char frame[64];
@@ -50,6 +52,9 @@ int mw_send_packet(int mw_fd, unsigned char msg_type, unsigned char options, uns
        while (((ret = write(mw_fd, frame, tlen)) >= 0) && (tlen > 0))
                tlen -= ret;
 
+       if (MW_FRAME_DELAY)
+               usleep(MW_FRAME_DELAY);
+
        if (tlen == 0 && ret >= 0)
                return 0;
        else
@@ -82,9 +87,69 @@ void mw_set_rtc(int mw_fd, unsigned char clk1224, unsigned char date_fmt)
        data[8] = clk1224;
        data[9] = date_fmt;
 
-       mw_send_packet(mw_fd, MW_SET_REAL_TIME_CLOCK, 0, data, 10);
+       mw_send_frame(mw_fd, MW_SET_REAL_TIME_CLOCK, 0, data, 10);
+}
+
+void mw_set_vibrate_mode(int mw_fd, unsigned char enable, unsigned short on_time, unsigned short off_time, unsigned char cycles)
+{
+       unsigned char mdata[7];
+
+       mdata[0] = enable;
+       *(unsigned short *)(mdata+1) = on_time; /* miliseconds */
+       *(unsigned short *)(mdata+3) = off_time; /* miliseconds */
+       mdata[5] = cycles;
+       mw_send_frame(mw_fd, MW_SET_VIBRATE_MODE, 0, mdata, 6);
+}
+
+void mw_configure_watch_mode(int mw_fd, unsigned char mode, unsigned char save, unsigned char timeout, unsigned char invert)
+{
+       unsigned char mdata[3];
+
+       mdata[0] = timeout; /* seconds */
+       mdata[1] = invert; /* 0=normal, 1=invert */
+       mw_send_frame(mw_fd, MW_CONFIGURE_MODE, (mode & 0x0f) | ((save & 0x01) << 3), mdata, 2);
+}
+
+void mw_update_display(int mw_fd, unsigned char mode, unsigned char copy)
+{
+       mw_send_frame(mw_fd, MW_UPDATE_DISPLAY, (mode & 0x0f) | ((copy & 0x01) << 3), NULL, 0);
+}
+
+void mw_load_template(int mw_fd, unsigned char mode, unsigned char template_select)
+{
+       mw_send_frame(mw_fd, MW_LOAD_TEMPLATE, (mode & 0x0f), &template_select, 1);
 }
 
+/*
+ * send line for screen-mode mode from *buffer to watch, starting at display row row_offset
+ */
+void mw_write_buffer(int mw_fd,
+               unsigned char mode,
+               unsigned char numlines,         /* number of lines, 0 or 1 */
+               unsigned char row_offset,       /* start at row_offset in display, e.g. lower part in idle @31 */
+               unsigned char *buffer, int buflen)
+{
+       unsigned char mdata[32];
+
+       buflen = 12 * (buflen / 12);    /* crop to 12 bytes */
+       if ((numlines == 0 && buflen < 12) || (numlines == 1 && buflen < 24)) {
+               fprintf(stderr, "mw_write_buffer: bufferlen does not match number of lines\n");
+               return;
+       };
+       memset(mdata, 0, 32);
+       mdata[0] = row_offset;
+       memcpy((mdata+1), buffer, 12);
+       if (numlines == 1) {
+               mdata[0] = row_offset+1;
+               memcpy((mdata+13), (buffer+12), 12);
+       };
+       mw_send_frame(mw_fd, MW_WRITE_BUFFER, (mode & 0x0f) | (((numlines & 0x01)<< 3) & 0x10), mdata, numlines ? 13 : 26);
+}
+
+
+/* ------------------------------------------------------------------------ */
+
+
 /*
  * watch responses, events or notifications
  */
@@ -122,6 +187,8 @@ void mw_get_battery_voltage_response(int mw_fd, unsigned char *batrsp, int len)
        fprintf(stderr, "battery is at %dV, %s and %s\n", voltage, power_good ? "power is good" : "power fault", bat_charging ? "charging" : "not charging");
 }
 
+/* ---------------------------------------------------------------------- */
+
 int decode_frame(int mw_fd, unsigned char *buf, int len)
 {
        unsigned short crc;
@@ -177,7 +244,6 @@ int decode_frame(int mw_fd, unsigned char *buf, int len)
 void process_cmd(char *cmdline, int clinep, int mw_fd)
 {
        unsigned char mdata[32];
-       unsigned char *mdatap = mdata;
 
        fprintf(stderr, "command: '%s'\n", cmdline);
 
@@ -192,23 +258,21 @@ void process_cmd(char *cmdline, int clinep, int mw_fd)
                fprintf(stderr, "OK\n");
        }
        if (strncmp(cmdline, "grtc", 4) == 0) {
-               mw_send_packet(mw_fd, MW_GET_REAL_TIME_CLOCK, 0, NULL, 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_packet(mw_fd, MW_GET_INFORMATION_STRING, 0, mdata, 1);
+               mw_send_frame(mw_fd, MW_GET_INFORMATION_STRING, 0, mdata, 1);
        }
        if (strncmp(cmdline, "gdtype", 6) == 0) {
-               mw_send_packet(mw_fd, MW_GET_DEVICE_TYPE, 0, NULL, 0);
+               mw_send_frame(mw_fd, MW_GET_DEVICE_TYPE, 0, NULL, 0);
        }
        if (strncmp(cmdline, "rvbat", 5) == 0) {
-               mw_send_packet(mw_fd, MW_READ_BATTERY_VOLTAGE_MSG, 0, NULL, 0);
+               mw_send_frame(mw_fd, MW_READ_BATTERY_VOLTAGE_MSG, 0, NULL, 0);
        }
        if (strncmp(cmdline, "modecfg", 6) == 0) {
-               memset(mdata, 0, 32);
-               mdata[0] = 4; /* timeout */
-               mdata[1] = 1; /* invert display */
-               mw_send_packet(mw_fd, MW_CONFIGURE_MODE, 0, mdata, 27);
+               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 */
@@ -216,17 +280,14 @@ void process_cmd(char *cmdline, int clinep, int mw_fd)
                mdata[2] = 2; /* button press type */
                mdata[3] = 3; /* callback message type */
                mdata[4] = 4; /* callback message option */
-               mw_send_packet(mw_fd, MW_READ_BUTTON_CONFIG, 0, NULL, 0);
+               mw_send_frame(mw_fd, MW_READ_BUTTON_CONFIG, 0, NULL, 0);
        }
        if (strncmp(cmdline, "svib", 4) == 0) {
-               mdata[0] = 1; /* enable */
-               *(unsigned short *)(mdatap+1) = 500; /* on miliseconds */
-               *(unsigned short *)(mdatap+3) = 500; /* off miliseconds */
-               mdata[5] = 10;
-               mw_send_packet(mw_fd, MW_SET_VIBRATE_MODE, 0, mdata, 6);
+               mw_set_vibrate_mode(mw_fd, 1, 300, 300, 5);
        }
 }
 
+
 int menu(int mw_fd)
 {
        fd_set mfds;