From a5ab35527062617c21fdcd31305d1e0b8ed1d267 Mon Sep 17 00:00:00 2001
From: cnlohr <lohr85@gmail.com>
Date: Tue, 24 Apr 2018 20:03:31 -0400
Subject: Pave the way for more, different, interesting devices.

---
 src/survive_driver_dummy.c | 90 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 src/survive_driver_dummy.c

(limited to 'src/survive_driver_dummy.c')

diff --git a/src/survive_driver_dummy.c b/src/survive_driver_dummy.c
new file mode 100644
index 0000000..d940d21
--- /dev/null
+++ b/src/survive_driver_dummy.c
@@ -0,0 +1,90 @@
+// All MIT/x11 Licensed Code in this file may be relicensed freely under the GPL
+// or LGPL licenses.
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <survive.h>
+#include <string.h>
+#include "survive_config.h"
+#include "os_generic.h"
+
+struct SurviveDriverDummy {
+	SurviveContext * ctx;
+	SurviveObject * so;
+};
+typedef struct SurviveDriverDummy SurviveDriverDummy;
+
+static int dummy_poll(struct SurviveContext *ctx, void *_driver) {
+	SurviveDriverDummy *driver = _driver;
+
+/* 
+	To emit an IMU event, send this:
+		driver->ctx->imuproc(so, mask, accelgyro, timecode, id);
+
+	To emit light data, send this:
+		LightcapElement le;
+		le.sensor_id = X		//8 bits
+		le.length = Z			//16 bits
+		le.timestamp = Y		//32 bits
+		handle_lightcap(so, &le);
+*/
+
+	return 0;
+}
+
+static int dummy_close(struct SurviveContext *ctx, void *_driver) {
+	SurviveDriverDummy *driver = _driver;
+
+/*
+	If you need to handle any cleanup here, like closing handles, etc.
+	you can perform it here.
+*/
+
+	return 0;
+}
+
+int dummy_haptic( SurviveObject * so, uint8_t reserved, uint16_t pulseHigh, uint16_t pulseLow, uint16_t repeatCount )
+{
+/*
+	If your device has haptics, you can add the control for them here.
+*/
+	return 0;
+}
+
+int DriverRegDummy(SurviveContext *ctx)
+{
+	int enable_dummy_driver = survive_configi( ctx, "dummy_driver_enable", SC_GET, 0 );
+
+	if( !enable_dummy_driver ) return 0;
+
+	SurviveDriverDummy *sp = calloc(1, sizeof(SurviveDriverDummy));
+	sp->ctx = ctx;
+
+	SV_INFO("Setting up dummy driver.");
+
+	//Create a new SurviveObject...
+	SurviveObject *device = calloc(1, sizeof(SurviveObject));
+	device->ctx = ctx;
+	device->driver = sp;
+	memcpy(device->codename, "DM0", 4);
+	memcpy(device->drivername, "DUM", 4);
+
+	device->timebase_hz = 48000000;
+	device->pulsedist_max_ticks = 500000;
+	device->pulselength_min_sync = 2200;
+	device->pulse_in_clear_time = 35000;
+	device->pulse_max_for_sweep = 1800;
+	device->pulse_synctime_offset = 20000;
+	device->pulse_synctime_slack = 5000;
+	device->timecenter_ticks = device->timebase_hz / 240;
+	device->imu_freq = 1000.0f;
+	device->haptic = dummy_haptic;
+
+	sp->so = device;
+	survive_add_object( ctx, device );
+	survive_add_driver( ctx, sp, dummy_poll, dummy_close, 0 );
+	return 0;
+}
+
+REGISTER_LINKTIME(DriverRegDummy);
+
-- 
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