From e4f94e901b9b4c5fef5642ad9580863fc2bfe336 Mon Sep 17 00:00:00 2001
From: PaulK <contact@paulk.fr>
Date: Sun, 18 Mar 2012 17:39:18 +0100
Subject: Added daemon, hal and lib modules and solved serial setup for
 bcm4751_test

---
 bcm4751_hal.c | 150 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 150 insertions(+)
 create mode 100644 bcm4751_hal.c

(limited to 'bcm4751_hal.c')

diff --git a/bcm4751_hal.c b/bcm4751_hal.c
new file mode 100644
index 0000000..d60bb9e
--- /dev/null
+++ b/bcm4751_hal.c
@@ -0,0 +1,150 @@
+// Copyright (C) 2012 Paul Kocialkowski, contact@paulk.fr, GNU GPLv3+
+// BCM4751 HAL code
+// This code will open the gps lib only: we can trace it that way
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#include <hardware/hardware.h>
+#include <hardware/gps.h>
+#include <hardware_legacy/power.h>
+
+#define WAKE_LOCK_NAME  "GPS"
+
+hw_module_t* module;
+hw_device_t* device;
+
+static const GpsInterface* sGpsInterface = NULL;
+static const GpsXtraInterface* sGpsXtraInterface = NULL;
+static const AGpsInterface* sAGpsInterface = NULL;
+static const GpsNiInterface* sGpsNiInterface = NULL;
+static const GpsDebugInterface* sGpsDebugInterface = NULL;
+static const AGpsRilInterface* sAGpsRilInterface = NULL;
+
+static void location_callback(GpsLocation* location)
+{
+	printf("got a location callback!\n");
+}
+
+static void status_callback(GpsStatus* status)
+{
+	printf("got a status callback!\n");
+}
+
+static void sv_status_callback(GpsSvStatus* sv_status)
+{
+	printf("got a svstatus callback!\n");
+}
+
+static void nmea_callback(GpsUtcTime timestamp, const char* nmea, int length)
+{
+	printf("got a nmea callback: %s!\n", nmea);
+}
+
+static void set_capabilities_callback(uint32_t capabilities)
+{
+	printf("set_capabilities_callback: %ld\n", capabilities);
+}
+
+
+static void acquire_wakelock_callback()
+{
+	acquire_wake_lock(PARTIAL_WAKE_LOCK, WAKE_LOCK_NAME);
+}
+
+static void release_wakelock_callback()
+{
+	release_wake_lock(WAKE_LOCK_NAME);
+}
+
+static pthread_t create_thread_callback(const char* name, void (*start)(void *), void* arg)
+{
+	printf("doing a thread!\n");
+
+	pthread_t thread;
+	pthread_create(&thread, NULL, start, arg);
+	return thread;
+}
+
+GpsCallbacks sGpsCallbacks = {
+	sizeof(GpsCallbacks),
+	location_callback,
+	status_callback,
+	sv_status_callback,
+	nmea_callback,
+	set_capabilities_callback,
+	acquire_wakelock_callback,
+	release_wakelock_callback,
+	create_thread_callback,
+};
+
+void hal_init(void)
+{
+	int rc;
+	rc = hw_get_module("gps", (hw_module_t const**)&module);
+	printf("hw_get_module: %d\n", rc);
+
+	if(rc < 0)
+		return;
+
+	rc = module->methods->open(module, GPS_HARDWARE_MODULE_ID, &device);
+	printf("module->methods->open: %d\n", rc);
+
+	if(rc < 0)
+		return;
+
+	struct gps_device_t* gps_device = (struct gps_device_t *)device;
+	sGpsInterface = gps_device->get_gps_interface(gps_device);
+
+	if (sGpsInterface) {
+		printf("GPS interface ready\n");
+		sGpsXtraInterface =
+			(const GpsXtraInterface*)sGpsInterface->get_extension(GPS_XTRA_INTERFACE);
+		sAGpsInterface =
+			(const AGpsInterface*)sGpsInterface->get_extension(AGPS_INTERFACE);
+		sGpsNiInterface =
+			(const GpsNiInterface*)sGpsInterface->get_extension(GPS_NI_INTERFACE);
+		sGpsDebugInterface =
+			(const GpsDebugInterface*)sGpsInterface->get_extension(GPS_DEBUG_INTERFACE);
+		sAGpsRilInterface =
+			(const AGpsRilInterface*)sGpsInterface->get_extension(AGPS_RIL_INTERFACE);
+	}
+}
+
+void gps_init(void)
+{
+	int rc;
+	rc = sGpsInterface->init(&sGpsCallbacks);
+	printf("sGpsInterface->init: %d\n", rc);
+	
+/*
+	// if XTRA initialization fails we will disable it by sGpsXtraInterface to null,
+	// but continue to allow the rest of the GPS interface to work.
+	if (sGpsXtraInterface && sGpsXtraInterface->init(&sGpsXtraCallbacks) != 0)
+		sGpsXtraInterface = NULL;
+	if (sAGpsInterface)
+		sAGpsInterface->init(&sAGpsCallbacks);
+	if (sGpsNiInterface)
+		sGpsNiInterface->init(&sGpsNiCallbacks);
+	if (sAGpsRilInterface)
+		sAGpsRilInterface->init(&sAGpsRilCallbacks);
+*/
+}
+
+int main(void)
+{
+	hal_init();
+	gps_init();
+
+	sleep(1);
+
+	printf("Starting GPS!\n");
+	sGpsInterface->start();
+	sleep(60);
+	printf("Stopping GPS!\n");
+	sGpsInterface->stop();
+
+	sleep(60);
+
+	return 0;
+}
-- 
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