143 lines
4.3 KiB
C
143 lines
4.3 KiB
C
/* *****************************************************************************
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* The MIT License
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*
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* Copyright (c) 2010 LeafLabs LLC.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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* ****************************************************************************/
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#ifndef __USB_H
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#define __USB_H
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#include "common.h"
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#include "usb_lib.h"
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#include "usb_descriptor.h"
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/* USB Disc Pin Setup. On the Mini, USB DISC is PB9 */
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#define USB_DISC_BANK GPIOB
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#define USB_DISC 9
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#define USB_DISC_CR GPIO_CRH(USB_DISC_BANK)
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#define USB_DISC_CR_MASK 0xFFFFFF0F
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#define USB_DISC_CR_OUTPUT_OD 0x00000050
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#define RCC_APB2ENR_USB 0x00000008
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#define RCC_APB1ENR_USB_CLK 0x00800000
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/* USB configuration params */
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#define BTABLE_ADDRESS 0x00
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#define ENDP0_RXADDR 0x40
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#define ENDP0_TXADDR 0x80 /* gives 64 bytes i/o buflen */
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#define ENDP1_TXADDR 0xC0
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#define ENDP2_TXADDR 0x100
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#define ENDP3_RXADDR 0x110
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#define bMaxPacketSize 0x40 /* 64B, maximum for usb FS devices */
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#define wTransferSize 0x0400 /* 1024B, want: maxpacket < wtransfer < 10KB (to ensure everything can live in ram */
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#define NUM_ENDPTS 0x01
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/* do we gracefully implement usb suspend? */
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#define F_SUSPEND_ENABLED 1
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/* defines which interrupts are handled */
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#define ISR_MSK (CNTR_CTRM | \
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CNTR_WKUPM | \
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CNTR_SUSPM | \
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CNTR_ERRM | \
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CNTR_SOFM | \
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CNTR_ESOFM | \
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CNTR_RESETM \
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)
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typedef enum _RESUME_STATE {
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RESUME_EXTERNAL,
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RESUME_INTERNAL,
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RESUME_LATER,
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RESUME_WAIT,
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RESUME_START,
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RESUME_ON,
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RESUME_OFF,
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RESUME_ESOF
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} RESUME_STATE;
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typedef enum _DEVICE_STATE {
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UNCONNECTED,
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ATTACHED,
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POWERED,
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SUSPENDED,
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ADDRESSED,
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CONFIGURED
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} DEVICE_STATE;
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void setupUSB(void);
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void usbDsbBus(void);
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void usbAppInit(void); /* singleton usb initializer */
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void usbSuspend(void);
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void usbResumeInit(void);
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void usbResume(RESUME_STATE state);
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RESULT usbPowerOn(void);
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RESULT usbPowerOff(void);
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/* internal functions (as per the usb_core pProperty structure) */
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void usbInit(void);
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void usbReset(void);
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void usbStatusIn(void);
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void usbStatusOut(void);
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RESULT usbDataSetup(u8 request);
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RESULT usbNoDataSetup(u8 request);
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RESULT usbGetInterfaceSetting(u8, u8);
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u8 *usbGetDeviceDescriptor(u16 length);
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u8 *usbGetConfigDescriptor(u16 length);
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u8 *usbGetStringDescriptor(u16 length);
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u8 *usbGetFunctionalDescriptor(u16 length);
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/* internal callbacks to respond to standard requests */
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void usbGetConfiguration(void);
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void usbSetConfiguration(void);
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void usbGetInterface(void);
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void usbSetInterface(void);
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void usbGetStatus(void);
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void usbClearFeature(void);
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void usbSetEndpointFeature(void);
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void usbSetDeviceFeature(void);
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void usbSetDeviceAddress(void);
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/* the small number of comm emulator functions to
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eventually be migrated into their own usart sources
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*/
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u8 *vcomGetLineCoding(u16 length);
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u8 *vcomSetLineCoding(u16 length);
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void vcomEp1In(void);
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void vcomEp3Out(void);
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/* Interrupt setup/handling exposed only so that
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its obvious from main what interrupts are overloaded
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from c_only_startup.s (see the top of main.c) */
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void usbDsbISR(void);
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void usbEnbISR(void);
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/* override the weakly defined isr in linker */
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void USB_LP_CAN1_RX0_IRQHandler(void);
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void nothingProc(void);
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#endif
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