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| author | Damien <damien.p.george@gmail.com> | 2013-10-13 00:42:20 +0100 |
|---|---|---|
| committer | Damien <damien.p.george@gmail.com> | 2013-10-13 00:42:20 +0100 |
| commit | ed65605edc5c1376947a34723b9c750400b5a028 (patch) | |
| tree | d0317e867c4286ec7c889fc9ed18591a1d9990dd /stm/lib/usb_bsp.c | |
| parent | 3ef4abb446dfcbdbc426a0921a33e0883607e677 (diff) | |
| download | micropython-ed65605edc5c1376947a34723b9c750400b5a028.tar.gz micropython-ed65605edc5c1376947a34723b9c750400b5a028.zip | |
Inital commit of stm32f4xx framework.
Diffstat (limited to 'stm/lib/usb_bsp.c')
| -rw-r--r-- | stm/lib/usb_bsp.c | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/stm/lib/usb_bsp.c b/stm/lib/usb_bsp.c new file mode 100644 index 0000000000..293ee95e20 --- /dev/null +++ b/stm/lib/usb_bsp.c @@ -0,0 +1,183 @@ +/**
+ ******************************************************************************
+ * @file usb_bsp.c
+ * @author MCD Application Team
+ * @version V1.1.0
+ * @date 19-March-2012
+ * @brief This file is responsible to offer board support package and is
+ * configurable by user.
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>© COPYRIGHT 2012 STMicroelectronics</center></h2>
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (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.st.com/software_license_agreement_liberty_v2
+ *
+ * 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.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f4xx_gpio.h"
+#include "stm32f4xx_rcc.h"
+#include "stm_misc.h"
+#include "usb_bsp.h"
+
+/** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY
+* @{
+*/
+
+/** @defgroup USB_BSP
+* @brief This file is responsible to offer board support package
+* @{
+*/
+
+/** @defgroup USB_BSP_Private_Defines
+* @{
+*/
+/**
+* @}
+*/
+
+
+/** @defgroup USB_BSP_Private_TypesDefinitions
+* @{
+*/
+/**
+* @}
+*/
+
+
+
+
+
+/** @defgroup USB_BSP_Private_Macros
+* @{
+*/
+/**
+* @}
+*/
+
+/** @defgroup USBH_BSP_Private_Variables
+* @{
+*/
+
+/**
+* @}
+*/
+
+/** @defgroup USBH_BSP_Private_FunctionPrototypes
+* @{
+*/
+/**
+* @}
+*/
+
+/** @defgroup USB_BSP_Private_Functions
+* @{
+*/
+
+
+/**
+* @brief USB_OTG_BSP_Init
+* Initilizes BSP configurations
+* @param None
+* @retval None
+*/
+
+void USB_OTG_BSP_Init(USB_OTG_CORE_HANDLE *pdev) {
+ RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE);
+
+ /* Configure DM DP Pins */
+ GPIO_InitTypeDef GPIO_InitStructure;
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11 | GPIO_Pin_12;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
+ GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
+ GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;
+ GPIO_Init(GPIOA, &GPIO_InitStructure);
+
+ GPIO_PinAFConfig(GPIOA, GPIO_PinSource11, GPIO_AF_OTG1_FS);
+ GPIO_PinAFConfig(GPIOA, GPIO_PinSource12, GPIO_AF_OTG1_FS);
+
+ /* Configure VBUS Pin (or disable VBUS_SENSING_ENABLED) */
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
+ GPIO_InitStructure.GPIO_OType = GPIO_OType_OD;
+ GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;
+ GPIO_Init(GPIOA, &GPIO_InitStructure);
+
+ RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
+ RCC_AHB2PeriphClockCmd(RCC_AHB2Periph_OTG_FS, ENABLE);
+}
+
+/**
+* @brief USB_OTG_BSP_EnableInterrupt
+* Enabele USB Global interrupt
+* @param None
+* @retval None
+*/
+void USB_OTG_BSP_EnableInterrupt(USB_OTG_CORE_HANDLE *pdev) {
+ NVIC_InitTypeDef NVIC_InitStructure;
+ NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
+ NVIC_InitStructure.NVIC_IRQChannel = OTG_FS_IRQn;
+ NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
+ NVIC_InitStructure.NVIC_IRQChannelSubPriority = 3;
+ NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
+ NVIC_Init(&NVIC_InitStructure);
+}
+
+/**
+* @brief USB_OTG_BSP_uDelay
+* This function provides delay time in micro sec
+* @param usec : Value of delay required in micro sec
+* @retval None
+*/
+void USB_OTG_BSP_uDelay (const uint32_t usec)
+{
+ uint32_t count = 0;
+ const uint32_t utime = (160 * usec / 5);
+ do
+ {
+ if ( ++count > utime )
+ {
+ return ;
+ }
+ }
+ while (1);
+}
+
+
+/**
+* @brief USB_OTG_BSP_mDelay
+* This function provides delay time in milli sec
+* @param msec : Value of delay required in milli sec
+* @retval None
+*/
+void USB_OTG_BSP_mDelay (const uint32_t msec)
+{
+ USB_OTG_BSP_uDelay(msec * 1000);
+}
+/**
+* @}
+*/
+
+/**
+* @}
+*/
+
+/**
+* @}
+*/
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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