DISCO_L475VG_IOT: Add USB Device files

pull/4242/head
bcostm 2017-04-03 10:12:13 +02:00
parent 72e85bf9fb
commit b40591f1e1
2 changed files with 163 additions and 0 deletions

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/* Copyright (c) 2016 mbed.org, MIT License
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
* and associated documentation files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or
* substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef USBHAL_STM32L475VG
#define USBHAL_STM32L475VG
#define USBHAL_IRQn OTG_FS_IRQn
#define NB_ENDPOINT 4
/* must be multiple of 4 bytes */
#define MAXTRANSFER_SIZE 0x200
#define FIFO_USB_RAM_SIZE (MAXTRANSFER_SIZE+MAX_PACKET_SIZE_EP0+MAX_PACKET_SIZE_EP1+MAX_PACKET_SIZE_EP2+MAX_PACKET_SIZE_EP3)
#if (FIFO_USB_RAM_SIZE > 0x500)
#error "FIFO dimensioning incorrect"
#endif
typedef struct
{
USBHAL *inst;
void (USBHAL::*bus_reset)(void);
void (USBHAL::*sof)(int frame);
void (USBHAL::*connect_change)(unsigned int connected);
void (USBHAL::*suspend_change)(unsigned int suspended);
void (USBHAL::*ep0_setup)(void);
void (USBHAL::*ep0_in)(void);
void (USBHAL::*ep0_out)(void);
void (USBHAL::*ep0_read)(void);
bool (USBHAL::*ep_realise)(uint8_t endpoint, uint32_t maxPacket, uint32_t flags);
bool (USBHAL::*epCallback[2*NB_ENDPOINT-2])(void);
uint8_t epComplete[8];
/* memorize dummy buffer used for reception */
uint32_t pBufRx[MAXTRANSFER_SIZE>>2];
uint32_t pBufRx0[MAX_PACKET_SIZE_EP0>>2];
}USBHAL_Private_t;
uint32_t HAL_PCDEx_GetTxFiFo(PCD_HandleTypeDef *hpcd, uint8_t fifo)
{
uint32_t len;
if (fifo == 0) len = hpcd->Instance->DIEPTXF0_HNPTXFSIZ>>16;
else
len = hpcd->Instance->DIEPTXF[fifo - 1] >> 16;
return len*4;
}
void HAL_PCD_SOFCallback(PCD_HandleTypeDef *hpcd) {
USBHAL_Private_t *priv=((USBHAL_Private_t *)(hpcd->pData));
USBHAL *obj= priv->inst;
USB_OTG_GlobalTypeDef *USBx = hpcd->Instance;
uint32_t sofnum = (USBx_DEVICE->DSTS & USB_OTG_DSTS_FNSOF) >> 8;
void (USBHAL::*func)(int frame) = priv->sof;
/* fix me call with same frame number */
(obj->*func)(sofnum);
}
USBHAL * USBHAL::instance;
USBHAL::USBHAL(void) {
/* init parameter */
USBHAL_Private_t *HALPriv = new(USBHAL_Private_t);
/* initialized all field of init including 0 field */
/* constructor does not fill with zero */
hpcd.Instance = USB_OTG_FS;
/* initialized all field of init including 0 field */
/* constructor does not fill with zero */
memset(&hpcd.Init, 0, sizeof(hpcd.Init));
hpcd.Init.dev_endpoints = NB_ENDPOINT;
hpcd.Init.ep0_mps = MAX_PACKET_SIZE_EP0;
hpcd.Init.phy_itface = PCD_PHY_EMBEDDED;
hpcd.Init.Sof_enable = 1;
hpcd.Init.speed = PCD_SPEED_FULL;
/* pass instance for usage inside call back */
HALPriv->inst = this;
HALPriv->bus_reset = &USBHAL::busReset;
HALPriv->suspend_change = &USBHAL::suspendStateChanged;
HALPriv->connect_change = &USBHAL::connectStateChanged;
HALPriv->sof = &USBHAL::SOF;
HALPriv->ep0_setup = &USBHAL::EP0setupCallback;
HALPriv->ep_realise = &USBHAL::realiseEndpoint;
HALPriv->ep0_in = &USBHAL::EP0in;
HALPriv->ep0_out = &USBHAL::EP0out;
HALPriv->ep0_read = &USBHAL::EP0read;
hpcd.pData = (void*)HALPriv;
HALPriv->epCallback[0] = &USBHAL::EP1_OUT_callback;
HALPriv->epCallback[1] = &USBHAL::EP1_IN_callback;
HALPriv->epCallback[2] = &USBHAL::EP2_OUT_callback;
HALPriv->epCallback[3] = &USBHAL::EP2_IN_callback;
HALPriv->epCallback[4] = &USBHAL::EP3_OUT_callback;
HALPriv->epCallback[5] = &USBHAL::EP3_IN_callback;
instance = this;
__HAL_RCC_PWR_CLK_ENABLE();
HAL_PWREx_EnableVddUSB();
/* Configure USB VBUS GPIO */
__HAL_RCC_GPIOC_CLK_ENABLE();
/* Configure USB FS GPIOs */
__HAL_RCC_GPIOA_CLK_ENABLE();
/* Configure DM DP Pins */
pin_function(PA_11, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF10_OTG_FS));
pin_function(PA_12, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF10_OTG_FS));
/* Configure VBUS Pin */
pin_function(PC_11, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF10_OTG_FS));
__HAL_RCC_USB_OTG_FS_CLK_ENABLE();
hpcd.State = HAL_PCD_STATE_RESET;
HAL_PCD_Init(&hpcd);
/* 1.25kbytes */
/* min value 16 (= 16 x 4 bytes) */
/* max value 256 (= 1K bytes ) */
/* maximum sum is 0x140 */
HAL_PCDEx_SetRxFiFo(&hpcd, (MAXTRANSFER_SIZE/4));
/* bulk/int 64 bytes in FS */
HAL_PCDEx_SetTxFiFo(&hpcd, 0, (MAX_PACKET_SIZE_EP0/4)+1);
/* bulk/int bytes in FS */
HAL_PCDEx_SetTxFiFo(&hpcd, 1, (MAX_PACKET_SIZE_EP1/4)+1);
HAL_PCDEx_SetTxFiFo(&hpcd, 2, (MAX_PACKET_SIZE_EP2/4));
/* ISOchronous */
HAL_PCDEx_SetTxFiFo(&hpcd, 3, (MAX_PACKET_SIZE_EP3/4));
NVIC_SetVector(USBHAL_IRQn,(uint32_t)&_usbisr);
NVIC_SetPriority( USBHAL_IRQn, 1);
HAL_PCD_Start(&hpcd);
}
#endif

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/* Copyright (c) 2016 mbed.org, MIT License
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
* and associated documentation files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or
* substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "USBHAL_STM32L475VG.h"