Fixes and enhancements

Makefile

@@ -1,7 +1,8 @@
 #  Copyright (C) 2011 Nils Faerber <nils.faerber@kernelconcepts.de>
 # prefix for installation and search path (like icons)
 PREFIX = /usr/local/
-CFLAGS = -DDEBUG -Wall -O2 $(CCFLAGS)
+#CFLAGS = -DDEBUG -Wall -O2 $(CCFLAGS)
+CFLAGS = -Wall -O2 $(CCFLAGS)
 
 PRGNAME = metawatch
 

metawatch.c

@@ -209,9 +209,20 @@ 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");
 }
 
+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
 }
 
 
@@ -233,13 +244,19 @@ 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];
@@ -247,15 +264,41 @@ int decode_frame(int mw_fd, unsigned char *buf, int len)
 	msgdata = (buf+4);
 
 	switch (msgtype) {
-		case MW_GET_REAL_TIME_CLOCK_RSP:
+		case MW_GET_DEVICE_TYPE_RSP:
-			mw_get_real_time_clock_response(mw_fd, msgdata, len-4-2);
+			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;
+			msgdata[len-2] = 0;
-			fprintf(stderr, "Got info string '%s'\n", (msgdata+4));
+			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");
@@ -264,7 +307,7 @@ int decode_frame(int mw_fd, unsigned char *buf, int len)
 			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);
@@ -303,9 +346,10 @@ void bmap_buffer_flipinvert(unsigned char flip, unsigned char invert, unsigned c
 
 void mw_send_bitmap(int mw_fd, unsigned char mode, int width, int height, int offset, unsigned char *bmapbuf, int buflen)
 {
-	char rbuf[256];
+#ifdef DEBUG
-	unsigned int i, x, y;
+	unsigned int i, x;
-	unsigned int rowlength;
+#endif
+	unsigned int y, rowlength;
 	unsigned char mw_buf[24];
 
 	rowlength = ((width / 8) + 1);

metawatch_protocol.h

@@ -47,7 +47,8 @@
 #define MW_LOW_BATTERY_BT_OFF_MSG	0x55
 #define MW_READ_BATTERY_VOLTAGE_MSG	0x56
 #define MW_READ_BATTERY_VOLTAGE_RSP	0x57
-
+#define MW_READ_LIGHT_SENSOR_MSG	0x58
+#define MW_READ_LIGHT_SENSOR_RSP	0x59
 #define MW_ACCELEROMETER		0xea
 
 

mw_main.c

@@ -51,7 +51,10 @@ void bitmap_read(int mw_fd)
 {
 	int ffd, ret;
 	char rbuf[256];
-	unsigned int width, height, i, x, y;
+	unsigned int width, height, i;
+#ifdef DEBUG
+	unsigned int x, y;
+#endif
 	unsigned int rowlength;
 	unsigned char *bmapbuf;
 	// unsigned char mw_buf[24];
@@ -103,7 +106,7 @@ void bitmap_read(int mw_fd)
 #endif
 
 	/* reverse bits and invert the bmap */
-	bmap_buffer_flipinvert(1, 0, bmapbuf, rowlength * height);
+	bmap_buffer_flipinvert(1, 1, 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 */
@@ -138,8 +141,7 @@ void process_cmd(char *cmdline, int clinep, int mw_fd)
 		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, NULL, 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);
@@ -147,6 +149,9 @@ void process_cmd(char *cmdline, int clinep, int mw_fd)
 	if (strncmp(cmdline, "rvbat", 5) == 0) {
 		mw_send_frame(mw_fd, MW_READ_BATTERY_VOLTAGE_MSG, 0, NULL, 0);
 	}
+	if (strncmp(cmdline, "rlight", 6) == 0) {
+		mw_send_frame(mw_fd, MW_READ_LIGHT_SENSOR_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);
@@ -203,9 +208,13 @@ int menu(int mw_fd)
 		if (select(mw_fd+1, &mfds, NULL, NULL, NULL) > 0) {
 			if (FD_ISSET(mw_fd, &mfds)) {
 				rcvd = read(mw_fd, msg_buf, 64);
+#ifdef DEBUG
 				fprintf(stderr, "read %d bytes:\n", rcvd);
+#endif
 				if (rcvd > 0) {
+#ifdef DEBUG
 					dump_frame(msg_buf, rcvd);
+#endif
 					decode_frame(mw_fd, msg_buf, rcvd);
 				}
 			};
@@ -241,7 +250,7 @@ int open_socket(bdaddr_t *bdaddr, uint8_t channel)
 {
 	struct sockaddr_rc addr;
 	int sk, opt;
-	int f;
+	//int f;
 
 	sk = socket(PF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM);
 	if (sk < 0) {
@@ -375,6 +384,8 @@ int main(int argc, char **argv)
 	mw_fd = open_socket(&btaddr, 1);
 	if (mw_fd < 0) {
 		return 1;
+	} else {
+		fprintf(stderr, "connected to %s\n", argv[1]);
 	};
 #endif