Reworked the bitmap functions to be of more general use
This commit is contained in:
Nils Faerber
parent
fc01ed38c0
commit
b42900c7bd
3 changed files with 54 additions and 228 deletions
4
Makefile
4
Makefile
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@ -1,11 +1,11 @@
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# Copyright (C) 2011 Nils Faerber <nils.faerber@kernelconcepts.de>
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# prefix for installation and search path (like icons)
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PREFIX = /usr/local/
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CFLAGS = -Wall -O2 $(CCFLAGS)
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CFLAGS = -DDEBUG -Wall -O2 $(CCFLAGS)
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PRGNAME = metawatch
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MEMBERS = metawatch crc16ccitt
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MEMBERS = metawatch crc16ccitt mw_main
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# no need to change anything below this line
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# ------------------------------------------
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265
metawatch.c
265
metawatch.c
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@ -15,10 +15,27 @@
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#include <termios.h>
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#include <ctype.h>
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#include "metawatch.h"
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#include "metawatch_protocol.h"
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#include "crc16ccitt.h"
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#ifdef DEBUG
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const char *mw_screen_mode_names[] = {
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"idle screen",
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"application screen",
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"notification screen",
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"scroll"
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};
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const char *mw_status_string[] = {
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"Reserved",
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"Mode Change",
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"Display Timeout"
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};
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#endif
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#define MW_FRAME_DELAY 0x00
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void dump_frame(unsigned char *frame, int len)
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@ -65,9 +82,11 @@ int mw_send_frame(int mw_fd, unsigned char msg_type, unsigned char options, unsi
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return ret;
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}
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/*
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* host to watch commands
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*/
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/* ----------------------------------------------------------------------
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* Host to watch commands
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* ---------------------------------------------------------------------- */
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void mw_set_rtc(int mw_fd, unsigned char clk1224, unsigned char date_fmt)
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{
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@ -151,12 +170,11 @@ void mw_write_buffer(int mw_fd,
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}
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/* ------------------------------------------------------------------------ */
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/* ----------------------------------------------------------------------
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* Watch responses, events or notifications
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* ---------------------------------------------------------------------- */
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/*
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* watch responses, events or notifications
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*/
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void mw_get_real_time_clock_response(int mw_fd, unsigned char *rtcrsp, int len)
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{
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struct tm mtm;
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@ -196,7 +214,11 @@ void mw_status_change_event(int mw_fd, unsigned char option, unsigned char *stat
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fprintf(stderr, "Status change event for mode %s: %s\n", mw_screen_mode_names[option&0x0f], mw_status_string[statrsp[0]]);
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}
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/* ---------------------------------------------------------------------- */
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/* ----------------------------------------------------------------------
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* Protocol handling
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* ---------------------------------------------------------------------- */
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int decode_frame(int mw_fd, unsigned char *buf, int len)
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{
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@ -253,84 +275,46 @@ int decode_frame(int mw_fd, unsigned char *buf, int len)
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}
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void bitmap_test(int mw_fd)
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{
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/* a nice checker-board pattern */
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unsigned char checkbuf[24] = {
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0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
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0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
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0x55, 0x55, 0x55, 0x55, 0x55, 0x55,
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0x55, 0x55, 0x55, 0x55, 0x55, 0x55,
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};
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mw_write_buffer(mw_fd, MW_SCREEN_MODE_IDLE, 0, 31, checkbuf, 24);
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mw_write_buffer(mw_fd, MW_SCREEN_MODE_IDLE, 0, 33, checkbuf, 24);
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mw_write_buffer(mw_fd, MW_SCREEN_MODE_IDLE, 0, 35, checkbuf, 24);
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mw_write_buffer(mw_fd, MW_SCREEN_MODE_IDLE, 0, 37, checkbuf, 24);
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/* ----------------------------------------------------------------------
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* Convenience functions not strictly part of the protocol
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* ---------------------------------------------------------------------- */
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mw_update_display(mw_fd, MW_SCREEN_MODE_IDLE, 1);
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}
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void flip_buffer_bytes(unsigned char invert, unsigned char *buf, int len)
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/* if flip=1 bits in each byte are inverted 7->1, 6->2, 5->3,...
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if invert=1 each byte is inverted
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*/
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void bmap_buffer_flipinvert(unsigned char flip, unsigned char invert, unsigned char *buf, int len)
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{
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int i;
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unsigned char tmp;
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while (len--) {
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tmp = 0;
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for (i=0; i<8; i++)
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tmp |= ((*buf & (1<<i)) >> i) << (7-i);
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// fprintf(stderr, "0x%02x -> 0x%02x\n", *buf, tmp);
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if (flip) {
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for (i=0; i<8; i++)
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tmp |= ((*buf & (1<<i)) >> i) << (7-i);
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// fprintf(stderr, "0x%02x -> 0x%02x\n", *buf, tmp);
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} else
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tmp = *buf;
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*buf = invert ? ~tmp : tmp;
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buf++;
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}
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}
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void bitmap_read(int mw_fd)
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void mw_send_bitmap(int mw_fd, unsigned char mode, int width, int height, int offset, unsigned char *bmapbuf, int buflen)
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{
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int ffd, ret;
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char rbuf[256];
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unsigned int width, height, i, x, y;
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unsigned int i, x, y;
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unsigned int rowlength;
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unsigned char *bmapbuf;
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unsigned char mw_buf[24];
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ffd = open("test.pbm", O_RDONLY);
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if (ffd < 0) {
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perror("open");
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return;
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};
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ret = read(ffd, rbuf, 3);
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if (rbuf[0] != 'P' || rbuf[1] != '4') {
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fprintf(stderr, "not a PBM file\n");
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return;
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}
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memset(rbuf, 0, 256);
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i = 0;
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do {
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ret = read(ffd, (rbuf+i), 1);
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} while (!isspace(rbuf[i++]));
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width = atoi(rbuf);
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memset(rbuf, 0, 256);
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i = 0;
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do {
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ret = read(ffd, (rbuf+i), 1);
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} while (!isspace(rbuf[i++]));
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height = atoi(rbuf);
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fprintf(stderr, "bitmap resolution is %d x %d\n", width, height);
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rowlength = ((width / 8) + 1);
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if ((height + offset) > 96)
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height = 96 - offset;
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#ifdef DEBUG
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fprintf(stderr, "row length = %d bytes\n", rowlength);
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bmapbuf = malloc(rowlength * height);
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ret = read(ffd, bmapbuf, rowlength * height);
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close(ffd);
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fprintf(stderr, "read %d of %d bytes\n", ret, rowlength * height);
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#if 0
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fprintf(stderr, "bitmap resolution is %d x %d\n", width, height);
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fprintf(stderr, "\n");
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for (y=0; y<height; y++) {
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for (x=0; x<rowlength; x++) {
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@ -342,156 +326,11 @@ void bitmap_read(int mw_fd)
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fprintf(stderr, "\n");
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#endif
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flip_buffer_bytes(1, bmapbuf, rowlength * height);
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for (y=0; y<height; y+=2) {
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memset(mw_buf, 0, 24);
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memcpy(mw_buf, (bmapbuf+(y*rowlength)), (rowlength > 12) ? 12 : rowlength);
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memcpy((mw_buf+12), (bmapbuf+((y+1)*rowlength)), (rowlength > 12) ? 12 : rowlength);
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mw_write_buffer(mw_fd, MW_SCREEN_MODE_IDLE, 0, 31+y, mw_buf, 24);
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}
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mw_update_display(mw_fd, MW_SCREEN_MODE_IDLE, 1);
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free(bmapbuf);
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}
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void process_cmd(char *cmdline, int clinep, int mw_fd)
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{
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unsigned char mdata[32];
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fprintf(stderr, "command: '%s'\n", cmdline);
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if (strncmp(cmdline, "quit", 4) == 0) {
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close(mw_fd);
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exit(0);
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}
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if (strncmp(cmdline, "srtc", 4) == 0) {
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fprintf(stderr, "Setting RTC from system time...");
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mw_set_rtc(mw_fd, MW_RTC_CLOCK_24HR, MW_RTC_DATE_DDMM);
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fprintf(stderr, "OK\n");
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}
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if (strncmp(cmdline, "grtc", 4) == 0) {
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mw_send_frame(mw_fd, MW_GET_REAL_TIME_CLOCK, 0, NULL, 0);
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}
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if (strncmp(cmdline, "gistr", 5) == 0) {
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mdata[0] = 0;
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mw_send_frame(mw_fd, MW_GET_INFORMATION_STRING, 0, mdata, 1);
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}
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if (strncmp(cmdline, "gdtype", 6) == 0) {
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mw_send_frame(mw_fd, MW_GET_DEVICE_TYPE, 0, NULL, 0);
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}
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if (strncmp(cmdline, "rvbat", 5) == 0) {
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mw_send_frame(mw_fd, MW_READ_BATTERY_VOLTAGE_MSG, 0, NULL, 0);
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}
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if (strncmp(cmdline, "modecfg", 6) == 0) {
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mw_configure_watch_mode(mw_fd, MW_SCREEN_MODE_IDLE, 0, 4, 1);
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mw_update_display(mw_fd, MW_SCREEN_MODE_IDLE, 0);
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}
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if (strncmp(cmdline, "rbtcfg", 6) == 0) {
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mdata[0] = 0; /* idle screen */
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mdata[1] = 1; /* button index */
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mdata[2] = 2; /* button press type */
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mdata[3] = 3; /* callback message type */
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mdata[4] = 4; /* callback message option */
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mw_send_frame(mw_fd, MW_READ_BUTTON_CONFIG, 0, NULL, 0);
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}
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if (strncmp(cmdline, "svib", 4) == 0) {
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mw_set_vibrate_mode(mw_fd, 1, 300, 300, 5);
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}
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if (strncmp(cmdline, "tbmp", 4) == 0) {
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bitmap_test(mw_fd);
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}
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if (strncmp(cmdline, "rbmp", 4) == 0) {
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bitmap_read(mw_fd);
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mw_write_buffer(mw_fd, mode, 0, 31+y, mw_buf, 24);
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}
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}
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int menu(int mw_fd)
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{
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fd_set mfds;
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struct termios tconfd;
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char cmdline[128];
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unsigned char msg_buf[64];
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unsigned char clinep = 0;
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int rcvd;
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tcgetattr(0, &tconfd);
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cfmakeraw(&tconfd);
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tconfd.c_oflag |= ONLCR | OPOST;
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tconfd.c_lflag |= ISIG;
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tcsetattr(0, TCSANOW, &tconfd);
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FD_ZERO(&mfds);
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FD_SET(0, &mfds);
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FD_SET(mw_fd, &mfds);
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memset(cmdline, 0, 128);
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do {
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rcvd = 0;
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if (select(mw_fd+1, &mfds, NULL, NULL, NULL) > 0) {
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if (FD_ISSET(mw_fd, &mfds)) {
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rcvd = read(mw_fd, msg_buf, 64);
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fprintf(stderr, "read %d bytes:\n", rcvd);
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if (rcvd > 0) {
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dump_frame(msg_buf, rcvd);
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decode_frame(mw_fd, msg_buf, rcvd);
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}
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};
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if (FD_ISSET(0, &mfds)) {
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rcvd = read(0, (cmdline+clinep), 1);
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if (rcvd > 0) {
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if (cmdline[clinep] == '\r') {
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printf("\n");
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cmdline[clinep--] = '\0';
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process_cmd(cmdline, clinep, mw_fd);
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clinep = 0;
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memset(cmdline, 0, 128);
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} else {
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clinep++;
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if (clinep > 75)
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clinep = 75;
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printf("\r> %s", cmdline);
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fflush(stdout);
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}
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}
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};
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} else
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break;
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FD_ZERO(&mfds);
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FD_SET(0, &mfds);
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FD_SET(mw_fd, &mfds);
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} while (rcvd > 0);
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return 0;
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}
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int main(int argc, char **argv)
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{
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int mw_fd;
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if (argc != 2) {
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fprintf(stderr, "Usage:\n\t%s <devicename>\n", argv[0]);
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return 1;
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};
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crc16ccitt_init();
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mw_fd = open(argv[1], O_RDWR);
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if (mw_fd < 0) {
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perror("open");
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return 1;
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};
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menu(mw_fd);
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fsync(mw_fd);
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close(mw_fd);
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return 0;
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};
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@ -56,19 +56,6 @@
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#define MW_SCREEN_MODE_NOTIFICATION 0x02
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#define MW_SCREEN_MODE_SCROLL 0x03
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const char *mw_screen_mode_names[] = {
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"idle screen",
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"application screen",
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"notification screen",
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"scroll"
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};
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const char *mw_status_string[] = {
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"Reserved",
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"Mode Change",
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"Display Timeout"
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};
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#endif
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