import at91lib from at91lib_20100901_softpack_1_9_v_1_0_svn_v1501120100901_softpack_1_9_v_1_0_svn_v15011

it's sad to see that atmel doesn't publish their svn repo or has
a centralized location or even puts proper version/release info
into the library itself

2 files changed, 296 insertions, 0 deletions

diff --git a/usb/host/core/USBH.h b/usb/host/core/USBH.h
new file mode 100644
index 0000000..7836619
--- /dev/null
+++ b/usb/host/core/USBH.h
@@ -0,0 +1,73 @@
+/* ----------------------------------------------------------------------------

+ *         ATMEL Microcontroller Software Support 

+ * ----------------------------------------------------------------------------

+ * Copyright (c) 2008, Atmel Corporation

+ *

+ * All rights reserved.

+ *

+ * Redistribution and use in source and binary forms, with or without

+ * modification, are permitted provided that the following conditions are met:

+ *

+ * - Redistributions of source code must retain the above copyright notice,

+ * this list of conditions and the disclaimer below.

+ *

+ * Atmel's name may not be used to endorse or promote products derived from

+ * this software without specific prior written permission.

+ *

+ * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR

+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF

+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE

+ * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,

+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,

+ * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF

+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING

+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,

+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

+ * ----------------------------------------------------------------------------

+ */

+

+//------------------------------------------------------------------------------

+/// \unit

+///

+/// !!!Purpose

+/// 

+/// Collection of methods for using the USB device controller on AT91

+/// microcontrollers.

+/// 

+/// !!!Usage

+/// 

+/// Please refer to the corresponding application note.

+/// - "AT91 USB device framework"

+/// - "USBD API" . "USBD API Methods"

+//------------------------------------------------------------------------------

+

+#ifndef USBH_H

+#define USBH_H

+

+//------------------------------------------------------------------------------

+//         Headers

+//------------------------------------------------------------------------------

+

+#include <memories/Media.h>

+//#include <usb/common/core/USBEndpointDescriptor.h>

+//#include <usb/common/core/USBGenericRequest.h>

+#include <usb/host/ohci/ohci.h>

+//------------------------------------------------------------------------------

+//      Definitions

+//------------------------------------------------------------------------------

+

+

+//------------------------------------------------------------------------------

+//         Exported functions

+//------------------------------------------------------------------------------

+

+extern void USBH_Init(OHCI_HCCA* pHCCA);

+extern void USBH_ResetPort(unsigned char portNumber);

+extern unsigned char USBH_IsDeviceConnectedOnPort(unsigned char portNumber);

+extern void USBH_program(unsigned int* pBHED, unsigned int* pBCED, OHCI_HCCA* pHCCA);

+extern void USBH_enablingPort(void);

+

+

+#endif //#ifndef USBD_H

+

diff --git a/usb/host/core/USB_UHP.c b/usb/host/core/USB_UHP.c
new file mode 100644
index 0000000..59c3b4c
--- /dev/null
+++ b/usb/host/core/USB_UHP.c
@@ -0,0 +1,223 @@
+/* ----------------------------------------------------------------------------

+ *         ATMEL Microcontroller Software Support 

+ * ----------------------------------------------------------------------------

+ * Copyright (c) 2008, Atmel Corporation

+ *

+ * All rights reserved.

+ *

+ * Redistribution and use in source and binary forms, with or without

+ * modification, are permitted provided that the following conditions are met:

+ *

+ * - Redistributions of source code must retain the above copyright notice,

+ * this list of conditions and the disclaimer below.

+ *

+ * Atmel's name may not be used to endorse or promote products derived from

+ * this software without specific prior written permission.

+ *

+ * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR

+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF

+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE

+ * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,

+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,

+ * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF

+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING

+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,

+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

+ * ----------------------------------------------------------------------------

+ */

+

+//------------------------------------------------------------------------------

+//         Headers

+//------------------------------------------------------------------------------

+

+#include <board.h>

+#include <pio/pio.h>

+#include <utility/trace.h>

+#include <stdio.h>

+#include "USBH.h"

+#include <usb/host/ohci/ohci.h>

+

+

+//------------------------------------------------------------------------------

+//         Definitions

+//------------------------------------------------------------------------------

+

+/// HcFmInterval Register:

+/// FrameInterval specifies the interval between 2 consecutive SOFs in bit times

+/// 1/12 = 0,08333333

+/// 1(ms) / 0,0833333 = 12

+/// FrameInterval = 12x1000 = 12000

+#define FRAMEINTERVAL    12000

+/// FSLargestDataPacket

+/// This field specifies a value which is loaded into the Largest

+/// Data Packet Counter at the beginning of each frame.

+

+/// overhead.

+/// The value of MAXIMUM_OVERHEAD below is 210 bit times.

+#define MAXIMUM_OVERHEAD 210

+/// FSLargestDataPacket initializes a counter within the Host Controller that is

+/// used to determine if a transaction on USB can be completed before EOF

+/// processing must start.

+/// It is a function of the new FrameInterval and is calculated by subtracting

+/// from FrameInterval the maximum number of bit times for transaction overhead

+/// on USB and the number of bit times needed for EOF processing, then 

+/// multiplying the result by 6/7 to account for the worst case bit stuffing 

+#define FSLARGESTDATAPACKET (((FRAMEINTERVAL-MAXIMUM_OVERHEAD) * 6) / 7)

+#define OHCI_FMINTERVAL ((FSLARGESTDATAPACKET << 16) | FRAMEINTERVAL)

+

+/// HcPeriodicStart Register

+// The HcPeriodicStart register has a 14-bit programmable value which 

+// determines when is the earliest time HC should start processing the 

+// periodic list.

+/// Set HcPeriodicStart to a value that is 90% of the value in FrameInterval 

+/// field of the HcFmInterval register.

+#define OHCI_PRDSTRT    (FRAMEINTERVAL*90/100)

+

+

+//------------------------------------------------------------------------------

+//      Internal Functions

+//------------------------------------------------------------------------------

+

+#ifdef AT91C_BASE_UHPHS_OHCI

+#define AT91C_ID_UHP           AT91C_ID_UHPHS

+#define AT91C_BASE_UHP         AT91C_BASE_UHPHS_OHCI

+#define UHP_HcRhPortStatus     UHPHS_OHCI_HcRhPortStatus

+#define UHP_HcControlHeadED    UHPHS_OHCI_HcControlHeadED

+#define UHP_HcControlCurrentED UHPHS_OHCI_HcControlCurrentED

+#define UHP_HcBulkDoneHead     UHPHS_OHCI_HcBulkDoneHead

+#define UHP_HcControl          UHPHS_OHCI_HcControl

+#define UHP_HcRhStatus         UHPHS_OHCI_HcRhStatus

+#define UHP_HcHCCA             UHPHS_OHCI_HcHCCA

+#define UHP_HcFmInterval       UHPHS_OHCI_HcFmInterval

+#define UHP_HcPeriodicStart    UHPHS_OHCI_HcPeriodicStart

+#endif

+

+//------------------------------------------------------------------------------

+/// Enable UHP clock

+//------------------------------------------------------------------------------

+static inline void UHP_EnablePeripheralClock(void)

+{

+    AT91C_BASE_PMC->PMC_PCER = (1 << AT91C_ID_UHP);

+}

+

+//------------------------------------------------------------------------------

+/// Disable UHP clock

+//------------------------------------------------------------------------------

+static inline void UHP_DisablePeripheralClock( void )

+{

+    AT91C_BASE_PMC->PMC_PCDR = (1 << AT91C_ID_UHP);

+}

+

+//------------------------------------------------------------------------------

+/// Enables the 48MHz USB clock.

+//------------------------------------------------------------------------------

+static inline void UHP_EnableUsbClock(void)

+{

+#ifdef AT91C_PMC_USBS_USB_UPLL

+    AT91C_BASE_PMC->PMC_USB = AT91C_PMC_USBS_USB_UPLL | AT91C_PMC_USBDIV_10;

+#endif

+#ifdef AT91C_CKGR_UPLLEN_ENABLED

+    AT91C_BASE_PMC->PMC_UCKR = AT91C_CKGR_UPLLEN_ENABLED;

+#endif

+    AT91C_BASE_PMC->PMC_SCER = AT91C_PMC_UHP;

+}

+

+//------------------------------------------------------------------------------

+///  Disables the 48MHz USB clock.

+//------------------------------------------------------------------------------

+static inline void UHP_DisableUsbClock(void)

+{

+    AT91C_BASE_PMC->PMC_SCDR = AT91C_PMC_UHP;

+#ifdef AT91C_CKGR_UPLLEN_ENABLED

+    AT91C_BASE_PMC->PMC_UCKR = AT91C_CKGR_UPLLEN_ENABLED;

+#endif

+}

+

+//------------------------------------------------------------------------------

+//      Exported functions

+//------------------------------------------------------------------------------

+

+//------------------------------------------------------------------------------

+/// Detect a connected device

+//------------------------------------------------------------------------------

+unsigned char USBH_IsDeviceConnectedOnPort(unsigned char portNumber)

+{

+  return (AT91C_BASE_UHP->UHP_HcRhPortStatus[portNumber] & 0x01);

+}

+

+//------------------------------------------------------------------------------

+/// Reset the port number

+//------------------------------------------------------------------------------

+void USBH_ResetPort(unsigned char portNumber)

+{

+    // SetPortReset

+    AT91C_BASE_UHP->UHP_HcRhPortStatus[portNumber] = (1 << 4);

+    // Wait for the end of reset

+    while (AT91C_BASE_UHP->UHP_HcRhPortStatus[portNumber] & (1 << 4));

+     // SetPortEnable

+    AT91C_BASE_UHP->UHP_HcRhPortStatus[portNumber] = (1 << 1);

+}

+

+//------------------------------------------------------------------------------

+//------------------------------------------------------------------------------

+void USBH_program(unsigned int* pBHED, unsigned int* pBCED, OHCI_HCCA* pHCCA)

+{

+    // Programming the BHED

+    // The HcBulkHeadED register contains the physical address of the first 

+    // Endpoint Descriptor of the Bulk list.

+    AT91C_BASE_UHP->UHP_HcControlHeadED = (unsigned int) pBHED;

+

+    // Programming the BCED

+    // The HcBulkCurrentED register contains the physical address of the current

+    // endpoint of the Bulk list.

+    AT91C_BASE_UHP->UHP_HcControlCurrentED = (unsigned int) pBCED;

+

+    // Initializing the UHP_HcDoneHead

+    AT91C_BASE_UHP->UHP_HcBulkDoneHead   = 0x00;

+    pHCCA->UHP_HccaDoneHead = 0x0000;

+

+    // Forcing UHP_Hc to Operational State

+    AT91C_BASE_UHP->UHP_HcControl = 0x80;

+}

+

+//------------------------------------------------------------------------------

+//------------------------------------------------------------------------------

+void USBH_enablingPort(void)    

+{

+    // Enabling port power

+    AT91C_BASE_UHP->UHP_HcRhPortStatus[0] = 0x00000100;

+    AT91C_BASE_UHP->UHP_HcRhPortStatus[1] = 0x00000100;

+    AT91C_BASE_UHP->UHP_HcRhStatus = 0x00010000;

+}

+

+//------------------------------------------------------------------------------

+/// Initializes the specified USB driver

+/// This function initializes the current FIFO bank of endpoints,

+/// configures the pull-up and VBus lines, disconnects the pull-up and

+/// then trigger the Init callback.

+//------------------------------------------------------------------------------

+void USBH_Init(OHCI_HCCA* pHCCA)

+{

+    TRACE_DEBUG_WP("USBH Init()\n\r");

+

+    UHP_EnablePeripheralClock();

+    UHP_EnableUsbClock();

+

+    // Forcing UHP_Hc to reset

+    AT91C_BASE_UHP->UHP_HcControl = 0;

+

+    // Writing the UHP_HCCA

+    AT91C_BASE_UHP->UHP_HcHCCA = (unsigned int) &pHCCA;

+

+    // Enabling list processing

+    AT91C_BASE_UHP->UHP_HcControl = 0;

+

+    // HcFmInterval register is used to control the length of USB frames

+    AT91C_BASE_UHP->UHP_HcFmInterval = OHCI_FMINTERVAL;

+    // The HcPeriodicStart register has a 14-bit programmable value which 

+    // determines when is the earliest time HC should start processing the 

+    // periodic list.

+    AT91C_BASE_UHP->UHP_HcPeriodicStart = OHCI_PRDSTRT;

+}

+