Diff: KL46Z-USBHost/USBHostGPS/USBHostGPS.h

Revision:

0:65004368569c

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/KL46Z-USBHost/USBHostGPS/USBHostGPS.h	Tue Jul 01 21:31:54 2014 +0000
@@ -0,0 +1,63 @@
+// Simple USBHost GPS Dongle for FRDM-KL46Z
+#include "USBHost.h"
+
+#define PL2303_SET_LINE_CODING 0x20
+
+class USBHostGPS : public IUSBEnumerator {
+public:
+
+    /**
+    * Constructor
+    */
+    USBHostGPS(int baud = 38400);
+
+    /**
+     * Try to connect a USB GPS device
+     *
+     * @return true if connection was successful
+     */
+    bool connect();
+
+    /**
+    * Check if a USB GPS is connected
+    *
+    * @returns true if a mouse is connected
+    */
+    bool connected();
+
+    int readNMEA(char* data, int size, int timeout_ms) {
+        int result = host->BulkRead(bulk_in, (uint8_t*)data, size, timeout_ms);
+        return (result >= 0) ? bulk_in->getLengthTransferred() : 0;
+    }
+    void attachEvent(void (*ptr)(uint8_t* data, int size)) {
+        if (ptr != NULL) {
+            onUpdate = ptr;
+        }
+    }
+    void poll() {
+        int result = host->BulkRead(bulk_in, buf, sizeof(buf), 0);
+        if (result >= 0) {
+            if (onUpdate) {
+                (*onUpdate)(buf, bulk_in->getLengthTransferred());
+            }
+        }
+    }
+
+protected:
+    //From IUSBEnumerator
+    virtual void setVidPid(uint16_t vid, uint16_t pid);
+    virtual bool parseInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol); //Must return true if the interface should be parsed
+    virtual bool useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir); //Must return true if the endpoint will be used
+
+private:
+    USBHost * host;
+    USBDeviceConnected* dev;
+    USBEndpoint* bulk_in;
+    bool dev_connected;
+    bool gps_device_found;
+    int gps_intf;
+    void (*onUpdate)(uint8_t* data, int size);
+    uint8_t buf[64];
+    int baud;
+    void init();
+};