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285 lines
10 KiB
C
285 lines
10 KiB
C
/**
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******************************************************************************
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* @file hw_config.c
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* @author MCD Application Team
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* @version V3.4.0
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* @date 29-June-2012
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* @brief Hardware Configuration & Setup
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******************************************************************************
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* @attention
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*
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* <h2><center>© COPYRIGHT 2012 STMicroelectronics</center></h2>
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*
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* Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
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* You may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.st.com/software_license_agreement_liberty_v2
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "stm32_it.h"
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#include "usb_lib.h"
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#include "usb_prop.h"
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#include "usb_desc.h"
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#include "usb_utils.h"
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#include "usb_pwr.h"
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#include "jshardware.h"
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/* Private typedef -----------------------------------------------------------*/
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/* Private define ------------------------------------------------------------*/
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/* Private macro -------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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static void IntToUnicode (uint32_t value , uint8_t *pbuf , uint8_t len);
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/* Extern variables ----------------------------------------------------------*/
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/*******************************************************************************
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* Function Name : Enter_LowPowerMode
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* Description : Power-off system clocks and power while entering suspend mode
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* Input : None.
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* Return : None.
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*******************************************************************************/
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void Enter_LowPowerMode(void)
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{
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/* Set the device state to suspend */
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bDeviceState = SUSPENDED;
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}
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/*******************************************************************************
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* Function Name : Leave_LowPowerMode
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* Description : Restores system clocks and power while exiting suspend mode
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* Input : None.
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* Return : None.
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*******************************************************************************/
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void Leave_LowPowerMode(void)
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{
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DEVICE_INFO *pInfo = &Device_Info;
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/* Set the device state to the correct state */
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if (pInfo->Current_Configuration != 0)
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{
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/* Device configured */
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bDeviceState = CONFIGURED;
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}
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else
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{
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bDeviceState = ATTACHED;
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}
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}
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void USB_Init_Hardware(void)
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{
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#if !defined(STM32F10X_CL) && !defined(STM32L1XX_MD) && !defined(STM32L1XX_HD) && !defined(STM32L1XX_MD_PLUS)
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GPIO_InitTypeDef GPIO_InitStructure;
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#endif /* STM32F10X_CL && STM32L1XX_XD */
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#if defined(USB_USE_EXTERNAL_PULLUP)
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GPIO_InitTypeDef GPIO_InitStructure;
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#endif /* USB_USE_EXTERNAL_PULLUP */
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/*!< At this stage the microcontroller clock setting is already configured,
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this is done through SystemInit() function which is called from startup
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file (startup_stm32f10x_xx.s) before to branch to application main.
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To reconfigure the default setting of SystemInit() function, refer to
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system_stm32f10x.c file
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*/
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#if defined(STM32L1XX_MD) || defined(STM32L1XX_HD)|| defined(STM32L1XX_MD_PLUS)
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/* Enable the SYSCFG module clock */
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
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#endif /* STM32L1XX_XD */
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#ifdef STM32F3
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/* Enable the SYSCFG module clock (used for the USB disconnect feature) */
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
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/*Set PA11,12 as IN - USB_DM,DP*/
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RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE);
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11 | GPIO_Pin_12;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
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GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
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GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
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GPIO_Init(GPIOA, &GPIO_InitStructure);
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/*SET PA11,12 for USB: USB_DM,DP*/
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GPIO_PinAFConfig(GPIOA, GPIO_PinSource11, GPIO_AF_14);
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GPIO_PinAFConfig(GPIOA, GPIO_PinSource12, GPIO_AF_14);
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#endif
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#ifdef USB_DISCONNECT_PIN
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jshPinOutput(USB_DISCONNECT_PIN, 1);
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#endif
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#if defined(STM32L1XX_MD) || defined(STM32L1XX_HD) || defined(STM32L1XX_MD_PLUS) || defined(STM32F4)
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/* Enable USB clock */
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_USB, ENABLE);
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#elif defined(STM32F10X_CL)
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/* Select USBCLK source */
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RCC_OTGFSCLKConfig(RCC_OTGFSCLKSource_PLLVCO_Div3);
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/* Enable the USB clock */
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RCC_AHBPeriphClockCmd(RCC_AHBPeriph_OTG_FS, ENABLE) ;
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#else
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/* Select USBCLK source */
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RCC_USBCLKConfig(RCC_USBCLKSource_PLLCLK_1Div5);
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/* Enable the USB clock */
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_USB, ENABLE);
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#endif /* STM32F10X_CL */
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NVIC_InitTypeDef NVIC_InitStructure;
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#if defined(STM32L1XX_MD)|| defined(STM32L1XX_HD) || defined(STM32L1XX_MD_PLUS)
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/* Enable the USB interrupt */
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NVIC_InitStructure.NVIC_IRQChannel = USB_LP_IRQn;
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NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2;
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NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
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NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
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NVIC_Init(&NVIC_InitStructure);
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/* Enable the USB Wake-up interrupt */
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NVIC_InitStructure.NVIC_IRQChannel = USB_FS_WKUP_IRQn;
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NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
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NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
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NVIC_Init(&NVIC_InitStructure);
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#elif defined(STM32F37X)
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/* Enable the USB interrupt */
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NVIC_InitStructure.NVIC_IRQChannel = USB_LP_IRQn;
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NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2;
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NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
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NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
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NVIC_Init(&NVIC_InitStructure);
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/* Enable the USB Wake-up interrupt */
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NVIC_InitStructure.NVIC_IRQChannel = USBWakeUp_IRQn;
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NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
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NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
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NVIC_Init(&NVIC_InitStructure);
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#else
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/* Enable the USB interrupt */
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NVIC_InitStructure.NVIC_IRQChannel = USB_LP_CAN1_RX0_IRQn;
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NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 12; // set this quite low. it can take a while to fill RX/TX buffers and don't let it break other stuff
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NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
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NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
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NVIC_Init(&NVIC_InitStructure);
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/* Enable the USB Wake-up interrupt */
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NVIC_InitStructure.NVIC_IRQChannel = USBWakeUp_IRQn;
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NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
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NVIC_Init(&NVIC_InitStructure);
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#endif
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}
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/*******************************************************************************
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* Function Name : USB_Cable_Config
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* Description : Software Connection/Disconnection of USB Cable
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* Input : None.
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* Return : Status
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*******************************************************************************/
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void USB_Cable_Config (FunctionalState NewState)
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{
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#ifdef USB_DISCONNECT_PIN
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jshPinOutput(USB_DISCONNECT_PIN, (NewState == DISABLE) ? 1 : 0);
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#endif
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}
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/*******************************************************************************
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* Function Name : Get_SerialNum.
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* Description : Create the serial number string descriptor.
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* Input : None.
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* Output : None.
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* Return : None.
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*******************************************************************************/
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void Get_SerialNum(void)
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{
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uint32_t Device_Serial0, Device_Serial1, Device_Serial2;
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#if defined(STM32L1XX_MD) || defined(STM32L1XX_HD) || defined(STM32L1XX_MD_PLUS)
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Device_Serial0 = *(uint32_t*)(0x1FF80050);
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Device_Serial1 = *(uint32_t*)(0x1FF80054);
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Device_Serial2 = *(uint32_t*)(0x1FF80064);
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#else
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Device_Serial0 = *(__IO uint32_t*)(0x1FFFF7E8);
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Device_Serial1 = *(__IO uint32_t*)(0x1FFFF7EC);
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Device_Serial2 = *(__IO uint32_t*)(0x1FFFF7F0);
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#endif /* STM32L1XX_XD */
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Device_Serial0 += Device_Serial2;
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if (Device_Serial0 != 0)
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{
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IntToUnicode (Device_Serial0, &Virtual_Com_Port_StringSerial[2] , 8);
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IntToUnicode (Device_Serial1, &Virtual_Com_Port_StringSerial[18], 4);
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}
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}
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/*******************************************************************************
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* Function Name : HexToChar.
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* Description : Convert Hex 32Bits value into char.
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* Input : None.
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* Output : None.
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* Return : None.
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*******************************************************************************/
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static void IntToUnicode (uint32_t value , uint8_t *pbuf , uint8_t len)
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{
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uint8_t idx = 0;
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for( idx = 0 ; idx < len ; idx ++)
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{
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if( ((value >> 28)) < 0xA )
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{
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pbuf[ 2* idx] = (value >> 28) + '0';
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}
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else
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{
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pbuf[2* idx] = (value >> 28) + 'A' - 10;
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}
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value = value << 4;
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pbuf[ 2* idx + 1] = 0;
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}
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}
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#ifdef STM32F10X_CL
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/*******************************************************************************
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* Function Name : USB_OTG_BSP_uDelay.
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* Description : provide delay (usec).
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* Input : None.
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* Output : None.
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* Return : None.
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*******************************************************************************/
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void USB_OTG_BSP_uDelay (const uint32_t usec)
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{
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RCC_ClocksTypeDef RCC_Clocks;
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/* Configure HCLK clock as SysTick clock source */
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SysTick_CLKSourceConfig(SysTick_CLKSource_HCLK);
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RCC_GetClocksFreq(&RCC_Clocks);
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SysTick_Config(usec * (RCC_Clocks.HCLK_Frequency / 1000000));
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SysTick->CTRL &= ~SysTick_CTRL_TICKINT_Msk ;
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while (!(SysTick->CTRL & SysTick_CTRL_COUNTFLAG_Msk));
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}
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#endif /* STM32F10X_CL */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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