USB BARCODE READER
Fork of USBHOST by
Diff: USBHost/TARGET_STM/USBHALHost_DISCOF429ZI.h
- Revision:
- 1:ab240722d7ef
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/USBHost/TARGET_STM/USBHALHost_DISCOF429ZI.h Wed Feb 15 10:49:44 2017 +0100 @@ -0,0 +1,112 @@ +/* mbed USBHost Library + * Copyright (c) 2006-2013 ARM Limited + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#ifndef USBHALHOST_DISCOF429ZI +#define USBHALHOST_DISCOF429ZI + +#define USBHAL_IRQn OTG_HS_IRQn + +#define HCCA_SIZE sizeof(HCD_HandleTypeDef) +#define ED_SIZE sizeof(HCED) +#define TD_SIZE sizeof(HCTD) + +#define TOTAL_SIZE (HCCA_SIZE + (MAX_ENDPOINT*ED_SIZE) + (MAX_TD*TD_SIZE)) +/* STM device FS have 11 channels (definition is for 60 channels) */ +static volatile uint8_t usb_buf[TOTAL_SIZE]; +typedef struct +{ + /* store the request ongoing on each endpoit */ + /* 1st field of structure avoid giving knowledge of all structure to + * endpoint */ + volatile uint32_t addr[MAX_ENDPOINT]; + USBHALHost *inst; + void (USBHALHost::*deviceConnected)(int hub, int port, bool lowSpeed, USBHostHub * hub_parent); + void (USBHALHost::*deviceDisconnected)(int hub, int port, USBHostHub * hub_parent, volatile uint32_t addr); + void (USBHALHost::*transferCompleted)(volatile uint32_t addr); +}USBHALHost_Private_t; +/* CONFIGURATION for USB_VBUS + * on 64 bits board PC_0 is used (0 VBUS on, 1 VBUS off) + * on 144 pins board PG_6 is used ( 1 VBUS on, 0 VBUS on) + */ +static gpio_t gpio_vbus; + +#define VBUS_OFF 1 +#define VBUS_ON 0 +#define USB_VBUS_CONFIG \ + do {__HAL_RCC_GPIOC_CLK_ENABLE();\ + gpio_init_out_ex(&gpio_vbus, PC_4, VBUS_OFF);\ + }while(0); + + +void usb_vbus( uint8_t state) +{ + if(state == 0) + { + gpio_write(&gpio_vbus, VBUS_OFF); + } + else + { + gpio_write(&gpio_vbus, VBUS_ON); + } + wait(0.2); +} + + +USBHALHost::USBHALHost() { + gpio_t pin_vbus; + instHost = this; + HCD_HandleTypeDef *hhcd; + USBHALHost_Private_t *HALPriv = new(USBHALHost_Private_t); + memset(HALPriv, 0, sizeof(USBHALHost_Private_t)); + memInit(); + memset((void*)usb_hcca, 0, HCCA_SIZE); + hhcd = (HCD_HandleTypeDef *)usb_hcca; + hhcd->Instance = USB_OTG_HS; + hhcd->pData = (void*)HALPriv; + hhcd->Init.Host_channels = 11; + /* for now failed with dma */ + hhcd->Init.dma_enable = 0; + hhcd->Init.speed = HCD_SPEED_HIGH; + hhcd->Init.phy_itface = HCD_PHY_EMBEDDED; + hhcd->Init.use_external_vbus = 1; + HALPriv->inst = this; + HALPriv->deviceConnected = &USBHALHost::deviceConnected; + HALPriv->deviceDisconnected = &USBHALHost::deviceDisconnected; + HALPriv->transferCompleted = &USBHALHost::transferCompleted; + for (int i = 0; i < MAX_ENDPOINT; i++) { + edBufAlloc[i] = false; + HALPriv->addr[i]=(uint32_t)-1; + } + for (int i = 0; i < MAX_TD; i++) { + tdBufAlloc[i] = false; + } + /* Configure USB HS GPIOs */ + __HAL_RCC_GPIOB_CLK_ENABLE(); + + /*USB DM and DP */ + pin_function(PB_14, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF12_OTG_HS_FS)); + pin_function(PB_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF12_OTG_HS_FS)); + /* Configure VBUS Pin */ + gpio_init_in(&pin_vbus, PB_13); + /* Configure POWER_SWITCH IO pin */ + USB_VBUS_CONFIG; + /* Enable USB HS Clocks */ + __HAL_RCC_USB_OTG_HS_CLK_ENABLE(); + + /* Set USBFS Interrupt priority */ + HAL_NVIC_SetPriority(USBHAL_IRQn, 5, 0); + NVIC_SetVector(USBHAL_IRQn, (uint32_t)&_usbisr); +} +#endif