Lars Knudsen
This fork re-enables FRDM boards and adds WebUSB CDC functionality
Fork of
USBDevice_STM32F103
by 
Devan Lai
Diff: USBDevice/USBHAL_STM32L1.cpp
- Revision:
- 58:68fad4f36f1c
- Parent:
- 57:b6b2296460db
- Child:
- 59:5d5e3685bd60
--- a/USBDevice/USBHAL_STM32L1.cpp Fri Jun 12 09:17:50 2015 +0000
+++ b/USBDevice/USBHAL_STM32L1.cpp Tue Jun 16 06:20:17 2015 +0900
@@ -1,414 +1,424 @@
-/* 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.
-*/
-
-#if defined(TARGET_STM32L1)
-#include "USBDevice.h"
-
-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;}
-
-extern "C" void USB_LP_IRQHandler(void) {
- HAL_PCD_IRQHandler(&hpcd_USB_FS);
-}
-
-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;
- 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);
-}
-
-USBHAL::~USBHAL(void) {}
-
-void USBHAL::connect(void) {
- MBED_ASSERT(hpcd_USB_FS.Instance == USB);
-}
-
-void USBHAL::disconnect(void) {
-}
-
-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() {
- reset();
- }
- void reset() {
- head = 0;
- tail = 512;
- }
- int allocBuf(int maxPacketSize) {
- head += 4;
- tail -= maxPacketSize;
- if (tail < head) {
- return 0;
- }
- return tail;
- }
-private:
- int head,tail;
-} PktBufArea;
-
-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;
- switch(endpoint) {
- case EP0IN:
- HAL_PCDEx_PMAConfig(hpcd, 0x80, PCD_SNG_BUF, pmaadress);
- HAL_PCD_EP_Open(hpcd, 0x80, maxPacket, PCD_EP_TYPE_CTRL);
- break;
- case EP0OUT:
- HAL_PCDEx_PMAConfig(hpcd, 0x00, PCD_SNG_BUF, pmaadress);
- HAL_PCD_EP_Open(hpcd, 0x00, maxPacket, PCD_EP_TYPE_CTRL);
- 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 EPINT_OUT:
- HAL_PCDEx_PMAConfig(hpcd, 0x01, PCD_SNG_BUF, pmaadress);
- HAL_PCD_EP_Open(hpcd, 0x01, maxPacket, PCD_EP_TYPE_INTR);
- 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 EPBULK_OUT:
- HAL_PCDEx_PMAConfig(hpcd, 0x02, PCD_SNG_BUF, pmaadress);
- HAL_PCD_EP_Open(hpcd, 0x02, maxPacket, PCD_EP_TYPE_BULK);
- break;
- case EPISO_IN:
- MBED_ASSERT(flags == ISOCHRONOUS);
- HAL_PCDEx_PMAConfig(hpcd, 0x83, PCD_SNG_BUF, pmaadress);
- HAL_PCD_EP_Open(hpcd, 0x83, maxPacket, PCD_EP_TYPE_ISOC);
- break;
- case EPISO_OUT:
- MBED_ASSERT(flags == ISOCHRONOUS);
- HAL_PCDEx_PMAConfig(hpcd, 0x03, PCD_SNG_BUF, pmaadress);
- HAL_PCD_EP_Open(hpcd, 0x03, maxPacket, PCD_EP_TYPE_ISOC);
- 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);
-}
-
-static uint8_t* rxTempBuffer(uint8_t endpoint) {
- switch(endpoint) {
- case EP0OUT:
- static uint8_t buf0[MAX_PACKET_SIZE_EP0];
- return buf0;
- case EP1OUT:
- static uint8_t buf1[MAX_PACKET_SIZE_EP1];
- return buf1;
- case EP2OUT:
- static uint8_t buf2[MAX_PACKET_SIZE_EP2];
- return buf2;
- case EP3OUT:
- static uint8_t buf3[MAX_PACKET_SIZE_EP3_ISO];
- return buf3;
- }
- MBED_ASSERT(0);
- return NULL;
-}
-
-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, rxTempBuffer(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, rxTempBuffer(endpoint), 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);
- MBED_ASSERT(len <= 64);
- memcpy(buffer, rxTempBuffer(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) {}
-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
- 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 & 0x7fff);
-}
-
-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));
- }
-}
-
-void HAL_PCDEx_SetConnectionState(PCD_HandleTypeDef *hpcd, uint8_t state) {
- if (state == 1) {
- __HAL_SYSCFG_USBPULLUP_ENABLE();
- } else {
- __HAL_SYSCFG_USBPULLUP_DISABLE();
- }
-}
-
-
-void L152RE_SystemClock_Config(void) {
- RCC_OscInitTypeDef RCC_OscInitStruct;
- RCC_ClkInitTypeDef RCC_ClkInitStruct;
-
- __PWR_CLK_ENABLE();
-
- __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
-
- RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
- RCC_OscInitStruct.HSIState = RCC_HSI_ON;
- RCC_OscInitStruct.HSICalibrationValue = 16;
- RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
- RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
- RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL6;
- RCC_OscInitStruct.PLL.PLLDIV = RCC_PLL_DIV3;
- HAL_RCC_OscConfig(&RCC_OscInitStruct);
-
- RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_SYSCLK;
- RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
- RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
- RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
- RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
- HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1);
-
- __SYSCFG_CLK_ENABLE();
-}
-
-uint32_t L152RE_getUSBclock() {
- RCC_OscInitTypeDef cfg;
- HAL_RCC_GetOscConfig(&cfg);
- MBED_ASSERT(cfg.PLL.PLLState == RCC_PLL_ON);
- uint32_t src = (cfg.PLL.PLLSource == RCC_PLLSOURCE_HSI) ? HSI_VALUE : HSE_VALUE;
- MBED_ASSERT(src == 16000000 || src == 8000000);
- switch(cfg.PLL.PLLMUL) {
- case RCC_PLL_MUL3: src *= 3; break;
- case RCC_PLL_MUL4: src *= 4; break;
- case RCC_PLL_MUL6: src *= 6; break;
- case RCC_PLL_MUL8: src *= 8; break;
- case RCC_PLL_MUL12: src *= 12; break;
- case RCC_PLL_MUL16: src *= 16; break;
- case RCC_PLL_MUL24: src *= 24; break;
- case RCC_PLL_MUL32: src *= 32; break;
- case RCC_PLL_MUL48: src *= 48; break;
- }
- return src / 2;
-}
-
-void L152RE_USBclock_setup() {
- if (L152RE_getUSBclock() != 48000000) {
- HAL_RCC_DeInit();
- L152RE_SystemClock_Config();
- }
-}
-
-#endif
-
+/* 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.
+*/
+
+#if defined(TARGET_STM32L1)
+#include "USBDevice.h"
+
+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;}
+
+extern "C" void USB_LP_IRQHandler(void) {
+ HAL_PCD_IRQHandler(&hpcd_USB_FS);
+}
+
+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;
+ HAL_PCD_Init(&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) {
+ MBED_ASSERT(hpcd->Instance == USB);
+ __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) {
+ MBED_ASSERT(hpcd_USB_FS.Instance == USB);
+ 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() {
+ reset();
+ }
+ void reset() {
+ head = 0;
+ tail = 512;
+ }
+ int allocBuf(int maxPacketSize) {
+ head += 4;
+ tail -= maxPacketSize;
+ if (tail < head) {
+ return 0;
+ }
+ return tail;
+ }
+private:
+ int head,tail;
+} PktBufArea;
+
+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);
+}
+
+static uint8_t* rxTempBuffer(uint8_t endpoint) {
+ switch(endpoint) {
+ case EP0OUT:
+ static uint8_t buf0[MAX_PACKET_SIZE_EP0];
+ return buf0;
+ case EP1OUT:
+ static uint8_t buf1[MAX_PACKET_SIZE_EP1];
+ return buf1;
+ case EP2OUT:
+ static uint8_t buf2[MAX_PACKET_SIZE_EP2];
+ return buf2;
+ case EP3OUT:
+ static uint8_t buf3[MAX_PACKET_SIZE_EP3_ISO];
+ return buf3;
+ }
+ MBED_ASSERT(0);
+ return NULL;
+}
+
+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, rxTempBuffer(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, rxTempBuffer(endpoint), 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);
+ MBED_ASSERT(len <= 64);
+ memcpy(buffer, rxTempBuffer(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) {}
+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
+ 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 & 0x7fff);
+}
+
+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));
+ }
+}
+
+void HAL_PCDEx_SetConnectionState(PCD_HandleTypeDef *hpcd, uint8_t state) {
+ if (state == 1) {
+ __HAL_SYSCFG_USBPULLUP_ENABLE();
+ } else {
+ __HAL_SYSCFG_USBPULLUP_DISABLE();
+ }
+}
+
+
+void L152RE_SystemClock_Config(void) {
+ RCC_OscInitTypeDef RCC_OscInitStruct;
+ RCC_ClkInitTypeDef RCC_ClkInitStruct;
+
+ __PWR_CLK_ENABLE();
+
+ __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
+
+ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
+ RCC_OscInitStruct.HSIState = RCC_HSI_ON;
+ RCC_OscInitStruct.HSICalibrationValue = 16;
+ RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
+ RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
+ RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL6;
+ RCC_OscInitStruct.PLL.PLLDIV = RCC_PLL_DIV3;
+ HAL_RCC_OscConfig(&RCC_OscInitStruct);
+
+ RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_SYSCLK;
+ RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
+ RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
+ RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
+ RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
+ HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1);
+
+ __SYSCFG_CLK_ENABLE();
+}
+
+uint32_t L152RE_getUSBclock() {
+ RCC_OscInitTypeDef cfg;
+ HAL_RCC_GetOscConfig(&cfg);
+ MBED_ASSERT(cfg.PLL.PLLState == RCC_PLL_ON);
+ uint32_t src = (cfg.PLL.PLLSource == RCC_PLLSOURCE_HSI) ? HSI_VALUE : HSE_VALUE;
+ MBED_ASSERT(src == 16000000 || src == 8000000);
+ switch(cfg.PLL.PLLMUL) {
+ case RCC_PLL_MUL3: src *= 3; break;
+ case RCC_PLL_MUL4: src *= 4; break;
+ case RCC_PLL_MUL6: src *= 6; break;
+ case RCC_PLL_MUL8: src *= 8; break;
+ case RCC_PLL_MUL12: src *= 12; break;
+ case RCC_PLL_MUL16: src *= 16; break;
+ case RCC_PLL_MUL24: src *= 24; break;
+ case RCC_PLL_MUL32: src *= 32; break;
+ case RCC_PLL_MUL48: src *= 48; break;
+ }
+ return src / 2;
+}
+
+void L152RE_USBclock_setup() {
+ if (L152RE_getUSBclock() != 48000000) {
+ HAL_RCC_DeInit();
+ L152RE_SystemClock_Config();
+ }
+}
+
+#endif
+