From: Javier S. Pedro <maemo@javispedro.com>
Date: Fri, 12 Mar 2010 20:38:43 +0000 (+0100)
Subject: importing zeemote driver
X-Git-Tag: drnoksnes_1_3_1^0
X-Git-Url: https://vcs.maemo.org/git/?p=drnoksnes;a=commitdiff_plain;h=d2cf09eceac8550dd7c7fc9cc58e1cbc008a0194

importing zeemote driver
---

diff --git a/platform/zeemote.cpp b/platform/zeemote.cpp
new file mode 100644
index 0000000..6760af5
--- /dev/null
+++ b/platform/zeemote.cpp
@@ -0,0 +1,120 @@
+#include <stdio.h>
+
+#include "snes9x.h"
+
+#include <glib.h>
+#include <libosso.h>
+#include <gconf/gconf.h>
+#include <gconf/gconf-client.h>
+
+/* Zeemote driver contributed by Till Harbaum */
+
+extern "C" {
+#include <zeemote.h>
+#include <zeemote-conf.h>
+}
+
+#include "platform.h"
+#include "osso.h"
+#include "../gui/gconf.h"
+#include "zeemote.h"
+
+/* Zeemote analog stick sensivity limit */
+#define ZEEMOTE_LIMIT  8000
+
+static const unsigned short zeemote_mask[] = 
+{
+	SNES_A_MASK, SNES_B_MASK, SNES_X_MASK, SNES_Y_MASK 
+};
+
+static zeemote_t *zeemote;
+static uint32 prev_buttons;
+static int player;
+
+void ZeeInit()
+{
+	/* Check if Osso initialization was succesful. */
+	if (!OssoOk()) return;
+
+	/* Since Zeemote means GConf, we can read our own configuration from it */
+	GConfClient *gcc = gconf_client_get_default();
+
+	/* Check which player (if any) enabled Zeemote */
+	player = 0;
+	/* Player 1? */
+	gchar key[kGConfPlayerPathBufferLen];
+	gchar *relKey = key + sprintf(key, kGConfPlayerPath, 1);
+	strcpy(relKey, kGConfPlayerZeemoteEnable);
+	if (gconf_client_get_bool(gcc, key, NULL)) {
+		player = 1;
+	} else {
+		/* Player 2? */
+		relKey = key + sprintf(key, kGConfPlayerPath, 2);
+		strcpy(relKey, kGConfPlayerZeemoteEnable);
+		if (gconf_client_get_bool(gcc, key, NULL)) {
+			player = 2;
+		}
+	}
+
+	if (player) {
+		printf("Zeemote: Enabled for player %d\n", player);
+	} else {
+		/* No player wanted a zeemote! */
+		return;
+	}
+
+	/* Get list of configured zeemotes from the conf tool. One could */
+	/* alternally call zeemote_scan() which would return the same type */
+	/* of list, but instead from the devices currently visible. Also */
+	/* zeemote_scan() blocks for about 10 seconds */
+	zeemote_scan_result_t *scan_result = 
+		zeemote_get_scan_results_from_gconf();
+
+	/* if devices are configured use the first one in the list as this */
+	/* is supposed to be a single player game */
+	if(scan_result && scan_result->number_of_devices > 0) {
+		zeemote = zeemote_connect(&scan_result->device[0].bdaddr);
+	}
+}
+
+void ZeeRead(uint32* joypads)
+{
+	if (!zeemote) return;
+
+	zeemote_state_t *state = zeemote_get_state(zeemote);
+	if (!state) return; // Some error
+	if (state->state != ZEEMOTE_STATE_CONNECTED) return; // Not connected
+
+	uint32 buttons = 0;
+	int i;
+
+	/* check zeemote buttons A-D */
+	for (i = 0; i < 4; i++) {
+		if (state->buttons & (1<<i))
+			buttons |= zeemote_mask[i];
+	}
+
+	/* handle direction */
+	if (state->axis[0] < -ZEEMOTE_LIMIT) buttons |= SNES_LEFT_MASK;
+	if (state->axis[0] >  ZEEMOTE_LIMIT) buttons |= SNES_RIGHT_MASK;
+	if (state->axis[1] < -ZEEMOTE_LIMIT) buttons |= SNES_UP_MASK;
+	if (state->axis[1] >  ZEEMOTE_LIMIT) buttons |= SNES_DOWN_MASK;
+ 
+	/* prevent device screensaver when zeemote state changes */
+	if (buttons != prev_buttons) 
+	{
+		osso_display_blanking_pause(ossoContext);
+		prev_buttons = buttons;
+	}
+
+	joypads[player-1] |= buttons;
+}
+
+void ZeeQuit()
+{
+	if (zeemote) {
+		zeemote_disconnect(zeemote);
+		zeemote = 0;
+	}
+}
+
diff --git a/platform/zeemote.h b/platform/zeemote.h
new file mode 100644
index 0000000..9f5329c
--- /dev/null
+++ b/platform/zeemote.h
@@ -0,0 +1,12 @@
+#ifndef _PLATFORM_ZEEMOTE_H_
+#define _PLATFORM_ZEEMOTE_H_
+
+START_EXTERN_C
+
+void ZeeInit();
+void ZeeRead(uint32* joypads);
+void ZeeQuit();
+
+END_EXTERN_C
+
+#endif