USB BARCODE READER
Fork of USBHOST by
Diff: USBHost/TARGET_STM/USBHALHost_DISCOL476VG.h
- Revision:
- 1:ab240722d7ef
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/USBHost/TARGET_STM/USBHALHost_DISCOL476VG.h Wed Feb 15 10:49:44 2017 +0100 @@ -0,0 +1,118 @@ +/* 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 USBHALHOST_DISCOL476VG +#define USBHALHOST_DISCOL476VG + +#define USBHAL_IRQn OTG_FS_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; + +static gpio_t gpio_vbus; + +#define VBUS_OFF 1 +#define VBUS_ON 0 +#define USB_VBUS_CONFIG \ + do {\ + gpio_init_out_ex(&gpio_vbus, PC_9, 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() { + 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_FS; + hhcd->pData = (void*)HALPriv; + hhcd->Init.Host_channels = 11; + /* for now failed with dma */ + hhcd->Init.dma_enable = 0; + hhcd->Init.speed = HCD_SPEED_FULL; + 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; + } + __HAL_RCC_PWR_CLK_ENABLE(); +#ifdef TARGET_STM32L4 + HAL_PWREx_EnableVddUSB(); +#endif + + /* Configure USB HS GPIOs */ + __HAL_RCC_GPIOA_CLK_ENABLE(); + + /*USB DM and DP */ + 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 */ + __HAL_RCC_GPIOC_CLK_ENABLE(); + pin_function(PC_11, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF10_OTG_FS)); + /* Configure POWER_SWITCH IO pin */ + USB_VBUS_CONFIG; + __HAL_RCC_SYSCFG_CLK_ENABLE(); + + /* Enable USB FS Clocks */ + __HAL_RCC_USB_OTG_FS_CLK_ENABLE(); + /* Set USBFS Interrupt priority */ + HAL_NVIC_SetPriority(USBHAL_IRQn, 5, 0); + NVIC_SetVector(USBHAL_IRQn, (uint32_t)&_usbisr); +} +#endif