USB Device for NUCLEO-F103RB, STM32F103C8T6 and Maple Mini boards
Dependents: MapleMini_USBSerial STM32F103C8T6_USBKeyboard firstDelta STM32F103C8T6_USBSerial ... more
Fork of L152RE_USBDevice by
Diff: USBDevice/USBHAL_STM32F1.cpp
- Revision:
- 65:48fe9050cb4a
- Parent:
- 64:c3d0530b6d82
- Child:
- 67:0a9e747bca06
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/USBDevice/USBHAL_STM32F1.cpp Fri Jul 08 21:16:25 2016 +0000 @@ -0,0 +1,381 @@ +/* Copyright (c) 2010-2015 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 "USBDevice.h" + +#define USB_LP_IRQn USB_LP_CAN1_RX0_IRQn +const uint8_t PCD_EP_TYPE_CTRL = EP_TYPE_CTRL; +const uint8_t PCD_EP_TYPE_INTR = EP_TYPE_INTR; +const uint8_t PCD_EP_TYPE_BULK = EP_TYPE_BULK; +const uint8_t PCD_EP_TYPE_ISOC = EP_TYPE_ISOC; + +static PCD_HandleTypeDef hpcd_USB_FS; +static volatile int epComplete = 0; + +USBHAL * USBHAL::instance; +uint32_t USBHAL::endpointReadcore(uint8_t endpoint, uint8_t *buffer) {return 0;} + +USBHAL::USBHAL(void) { + hpcd_USB_FS.pData = this; + hpcd_USB_FS.Instance = USB; + hpcd_USB_FS.Init.dev_endpoints = 8; + hpcd_USB_FS.Init.speed = PCD_SPEED_FULL; + hpcd_USB_FS.Init.ep0_mps = DEP0CTL_MPS_8; + hpcd_USB_FS.Init.phy_itface = PCD_PHY_EMBEDDED; + hpcd_USB_FS.Init.Sof_enable = DISABLE; + hpcd_USB_FS.Init.low_power_enable = DISABLE; + hpcd_USB_FS.Init.battery_charging_enable = DISABLE; + NVIC_SetVector(USB_LP_IRQn, (uint32_t)&_usbisr); + HAL_PCD_Init(&hpcd_USB_FS); + HAL_PCD_Start(&hpcd_USB_FS); +} + +void HAL_PCD_MspInit(PCD_HandleTypeDef* hpcd) { + __USB_CLK_ENABLE(); + HAL_NVIC_SetPriority(USB_LP_IRQn, 0, 0); + HAL_NVIC_EnableIRQ(USB_LP_IRQn); +} + +void HAL_PCD_MspDeInit(PCD_HandleTypeDef* hpcd) { + __USB_CLK_DISABLE(); // Peripheral clock disable + HAL_NVIC_DisableIRQ(USB_LP_IRQn); // Peripheral interrupt Deinit +} + +USBHAL::~USBHAL(void) { + HAL_PCD_DeInit(&hpcd_USB_FS); +} + +void USBHAL::connect(void) { + HAL_PCD_DevConnect(&hpcd_USB_FS); +} + +void USBHAL::disconnect(void) { + HAL_PCD_DevDisconnect(&hpcd_USB_FS); +} + +void USBHAL::configureDevice(void) { + // Not needed +} +void USBHAL::unconfigureDevice(void) { + // Not needed +} + +void USBHAL::setAddress(uint8_t address) { + HAL_PCD_SetAddress(&hpcd_USB_FS, address); +} + +class PacketBufferAreaManager { +public: + PacketBufferAreaManager(int bufsize_):bufsize(bufsize_) { + reset(); + } + void reset() { + head = 0; + tail = bufsize; + } + int allocBuf(int maxPacketSize) { + head += 4; + tail -= maxPacketSize; + if (tail < head) { + return 0; + } + return tail; + } +private: + int head,tail; + int bufsize; +} PktBufArea(512); + +bool USBHAL::realiseEndpoint(uint8_t endpoint, uint32_t maxPacket, uint32_t flags) { + int pmaadress = PktBufArea.allocBuf(maxPacket); + MBED_ASSERT(pmaadress != 0); + if (pmaadress == 0) { + return false; + } + PCD_HandleTypeDef *hpcd = &hpcd_USB_FS; + uint8_t ep_type; + switch(endpoint) { + case EP0OUT: + HAL_PCDEx_PMAConfig(hpcd, 0x00, PCD_SNG_BUF, pmaadress); + HAL_PCD_EP_Open(hpcd, 0x00, maxPacket, PCD_EP_TYPE_CTRL); + break; + case EP0IN: + HAL_PCDEx_PMAConfig(hpcd, 0x80, PCD_SNG_BUF, pmaadress); + HAL_PCD_EP_Open(hpcd, 0x80, maxPacket, PCD_EP_TYPE_CTRL); + break; + case EPINT_OUT: + HAL_PCDEx_PMAConfig(hpcd, 0x01, PCD_SNG_BUF, pmaadress); + HAL_PCD_EP_Open(hpcd, 0x01, maxPacket, PCD_EP_TYPE_INTR); + break; + case EPINT_IN: + HAL_PCDEx_PMAConfig(hpcd, 0x81, PCD_SNG_BUF, pmaadress); + HAL_PCD_EP_Open(hpcd, 0x81, maxPacket, PCD_EP_TYPE_INTR); + break; + case EPBULK_OUT: + HAL_PCDEx_PMAConfig(hpcd, 0x02, PCD_SNG_BUF, pmaadress); + HAL_PCD_EP_Open(hpcd, 0x02, maxPacket, PCD_EP_TYPE_BULK); + break; + case EPBULK_IN: + HAL_PCDEx_PMAConfig(hpcd, 0x82, PCD_SNG_BUF, pmaadress); + HAL_PCD_EP_Open(hpcd, 0x82, maxPacket, PCD_EP_TYPE_BULK); + break; + case EP3OUT: + HAL_PCDEx_PMAConfig(hpcd, 0x03, PCD_SNG_BUF, pmaadress); + ep_type = (flags & ISOCHRONOUS) ? PCD_EP_TYPE_ISOC : PCD_EP_TYPE_BULK; + HAL_PCD_EP_Open(hpcd, 0x03, maxPacket, ep_type); + break; + case EP3IN: + HAL_PCDEx_PMAConfig(hpcd, 0x83, PCD_SNG_BUF, pmaadress); + ep_type = (flags & ISOCHRONOUS) ? PCD_EP_TYPE_ISOC : PCD_EP_TYPE_BULK; + HAL_PCD_EP_Open(hpcd, 0x83, maxPacket, ep_type); + break; + default: + MBED_ASSERT(0); + return false; + } + return true; +} + +// read setup packet +void USBHAL::EP0setup(uint8_t *buffer) { + memcpy(buffer, hpcd_USB_FS.Setup, 8); +} + +void USBHAL::EP0readStage(void) { +} + +void USBHAL::EP0read(void) { + endpointRead(EP0OUT, MAX_PACKET_SIZE_EP0); +} + +class rxTempBufferManager { + uint8_t buf0[MAX_PACKET_SIZE_EP0]; + uint8_t buf1[MAX_PACKET_SIZE_EP1]; + uint8_t buf2[MAX_PACKET_SIZE_EP2]; + uint8_t buf3[MAX_PACKET_SIZE_EP3_ISO]; +public: + uint8_t* ptr(uint8_t endpoint, int maxPacketSize) { + switch(endpoint) { + case EP0OUT: + MBED_ASSERT(maxPacketSize <= MAX_PACKET_SIZE_EP0); + break; + case EP1OUT: + MBED_ASSERT(maxPacketSize <= MAX_PACKET_SIZE_EP1); + break; + case EP2OUT: + MBED_ASSERT(maxPacketSize <= MAX_PACKET_SIZE_EP2); + break; + case EP3OUT: + MBED_ASSERT(maxPacketSize <= MAX_PACKET_SIZE_EP3_ISO); + break; + } + return ptr(endpoint); + } + uint8_t* ptr(uint8_t endpoint) { + switch(endpoint) { + case EP0OUT: return buf0; + case EP1OUT: return buf1; + case EP2OUT: return buf2; + case EP3OUT: return buf3; + } + MBED_ASSERT(0); + return NULL; + } +} rxtmp; + +uint32_t USBHAL::EP0getReadResult(uint8_t *buffer) { + const uint8_t endpoint = EP0OUT; + uint32_t length = HAL_PCD_EP_GetRxCount(&hpcd_USB_FS, endpoint>>1); + memcpy(buffer, rxtmp.ptr(endpoint), length); + return length; +} + +void USBHAL::EP0write(uint8_t *buffer, uint32_t size) { + endpointWrite(EP0IN, buffer, size); +} + +void USBHAL::EP0getWriteResult(void) { +} + +void USBHAL::EP0stall(void) { + // If we stall the out endpoint here then we have problems transferring + // and setup requests after the (stalled) get device qualifier requests. + // TODO: Find out if this is correct behavior, or whether we are doing + // something else wrong + stallEndpoint(EP0IN); +// stallEndpoint(EP0OUT); +} + +EP_STATUS USBHAL::endpointRead(uint8_t endpoint, uint32_t maximumSize) { + HAL_PCD_EP_Receive(&hpcd_USB_FS, endpoint>>1, rxtmp.ptr(endpoint, maximumSize), maximumSize); + epComplete &= ~(1 << endpoint); + return EP_PENDING; +} + +EP_STATUS USBHAL::endpointReadResult(uint8_t endpoint, uint8_t * buffer, uint32_t *bytesRead) { + if (!(epComplete & (1 << endpoint))) { + return EP_PENDING; + } + int len = HAL_PCD_EP_GetRxCount(&hpcd_USB_FS, endpoint>>1); + memcpy(buffer, rxtmp.ptr(endpoint), len); + *bytesRead = len; + return EP_COMPLETED; +} + +EP_STATUS USBHAL::endpointWrite(uint8_t endpoint, uint8_t *data, uint32_t size) { + HAL_PCD_EP_Transmit(&hpcd_USB_FS, endpoint>>1, data, size); + epComplete &= ~(1 << endpoint); + return EP_PENDING; +} + +EP_STATUS USBHAL::endpointWriteResult(uint8_t endpoint) { + if (epComplete & (1 << endpoint)) { + epComplete &= ~(1 << endpoint); + return EP_COMPLETED; + } + return EP_PENDING; +} + +void USBHAL::stallEndpoint(uint8_t endpoint) { + PCD_HandleTypeDef *hpcd = &hpcd_USB_FS; + switch(endpoint) { + case EP0IN: + HAL_PCD_EP_SetStall(hpcd, 0x80); + break; + case EP0OUT: + HAL_PCD_EP_SetStall(hpcd, 0x00); + break; + default: + break; + } +} + +void USBHAL::unstallEndpoint(uint8_t endpoint) { +} + +bool USBHAL::getEndpointStallState(uint8_t endpoint) { + return false; +} + +void USBHAL::remoteWakeup(void) {} + +void USBHAL::_usbisr(void) { + HAL_PCD_IRQHandler(&hpcd_USB_FS); +} + +void USBHAL::usbisr(void) {} + +void USBHAL::SetupStageCallback() { + EP0setupCallback(); +} + +void USBHAL::DataInStageCallback(uint8_t epnum) { + switch(epnum) { + case 0: // EP0IN + EP0in(); + break; + case 1: + epComplete |= (1<<EP1IN); + if (EP1_IN_callback()) { + epComplete &= ~(1<<EP1IN); + } + break; + case 2: + epComplete |= (1<<EP2IN); + if (EP2_IN_callback()) { + epComplete &= ~(1<<EP2IN); + } + break; + case 3: + epComplete |= (1<<EP3IN); + if (EP3_IN_callback()) { + epComplete &= ~(1<<EP3IN); + } + break; + default: + MBED_ASSERT(0); + break; + } +} + +void USBHAL::DataOutStageCallback(uint8_t epnum) { + switch(epnum) { + case 0: // EP0OUT + if ((hpcd_USB_FS.Setup[0]&0x80) == 0x00) { // host to device ? + EP0out(); + } + break; + case 1: + epComplete |= (1<<EP1OUT); + if (EP1_OUT_callback()) { + epComplete &= ~(1<<EP1OUT); + } + break; + case 2: + epComplete |= (1<<EP2OUT); + if (EP2_OUT_callback()) { + epComplete &= ~(1<<EP2OUT); + } + break; + case 3: + epComplete |= (1<<EP3OUT); + if (EP3_OUT_callback()) { + epComplete &= ~(1<<EP3OUT); + } + break; + default: + MBED_ASSERT(0); + break; + } +} + +void USBHAL::ResetCallback() { + PktBufArea.reset(); + realiseEndpoint(EP0IN, MAX_PACKET_SIZE_EP0, 0); + realiseEndpoint(EP0OUT, MAX_PACKET_SIZE_EP0, 0); +} + +void USBHAL::SOFCallback() { + SOF(hpcd_USB_FS.Instance->FNR & USB_FNR_FN); +} + +void HAL_PCD_SetupStageCallback(PCD_HandleTypeDef *hpcd) { + reinterpret_cast<USBHAL*>(hpcd->pData)->SetupStageCallback(); +} + +void HAL_PCD_DataInStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum) { + reinterpret_cast<USBHAL*>(hpcd->pData)->DataInStageCallback(epnum); +} + +void HAL_PCD_DataOutStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum) { + reinterpret_cast<USBHAL*>(hpcd->pData)->DataOutStageCallback(epnum); +} + +void HAL_PCD_ResetCallback(PCD_HandleTypeDef *hpcd) { + reinterpret_cast<USBHAL*>(hpcd->pData)->ResetCallback(); +} + +void HAL_PCD_SOFCallback(PCD_HandleTypeDef *hpcd) { + reinterpret_cast<USBHAL*>(hpcd->pData)->SOFCallback(); +} + +void HAL_PCD_SuspendCallback(PCD_HandleTypeDef *hpcd) { + if (hpcd->Init.low_power_enable) { + SCB->SCR |= (uint32_t)((uint32_t)(SCB_SCR_SLEEPDEEP_Msk | SCB_SCR_SLEEPONEXIT_Msk)); + } +}