USB Host Driver with Socket Modem support. Works with revision 323 of mbed-src but broken with any later version.

Dependencies:   FATFileSystem

Fork of F401RE-USBHost by Norimasa Okamoto

Revision:
2:0cdac6bcc534
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/USBHALHost.h	Thu Jan 23 08:32:54 2014 +0000
@@ -0,0 +1,66 @@
+// Simple USBHost for FRDM-KL46Z
+#pragma once
+#include "mbed.h"
+
+struct SETUP_PACKET {
+    uint8_t bmRequestType;
+    uint8_t bRequest;
+    uint16_t wValue;
+    uint16_t wIndex;
+    uint16_t wLength;
+};
+
+#define SET_ADDRESS 5
+#define GET_DESCRIPTOR 6
+#define GET_CONFIGURATION 8
+#define SET_CONFIGURATION 9
+
+// TOK_PID[5:2]
+#define DATA0 0x03
+#define DATA1 0x0b
+#define ACK   0x02
+#define STALL 0x0e
+#define NAK   0x0a
+#define Bus_Timeout 0x00
+#define Data_Error 0x0f
+
+enum ODD_EVEN {
+    ODD = 0,
+    EVEN = 1,
+};
+
+class USBHALHost {
+public:
+    uint8_t LastStatus;
+    uint8_t prev_LastStatus;
+
+protected:
+    USBHALHost();
+    void init();
+    virtual bool enumeration() = 0;
+    bool lowSpeed;
+
+    uint8_t ep_int_in;
+    uint8_t ep_bulk_in;
+    uint8_t ep_bulk_out;
+    int MaxPacketSize0;
+    void setAddr(int addr);
+    void setEndpoint(bool use_retry = false);
+    int token_setup(SETUP_PACKET* setup, uint16_t wLength = 0);
+    int token_in(uint8_t ep, uint8_t* data = NULL, int size = 0, int retryLimit = 10);
+    int token_out(uint8_t ep, const uint8_t* data = NULL, int size = 0);
+    void token_ready();
+    uint8_t tx_data01[16];
+    uint8_t rx_data01[16];
+
+private:
+    static void _usbisr(void);
+    void UsbIrqhandler();
+
+    __IO bool attach_done;
+    __IO bool token_done;
+    void wait_attach();
+    ODD_EVEN tx_ptr;
+    ODD_EVEN rx_ptr;
+    static USBHALHost * instHost;
+};