/* Includes ------------------------------------------------------------------*/
#include "usb_lib.h"
#include "usb_prop.h"
#include "usb_desc.h"
#include "hw_config.h"
#include "usb_pwr.h"
#include "Queue.h"
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
ErrorStatus HSEStartUpStatus;
USART_InitTypeDef USART_InitStructure;
EXTI_InitTypeDef EXTI_InitStructure;
#define USB_COM_RX_BUF_SIZE (1024 + 256)
#define USB_COM_TX_BUF_SIZE (1024 + 256)
static QUEUE8_t m_QueueUsbComRx = {0};
static QUEUE8_t m_QueueUsbComTx = {0};
static uint8_t m_UsbComRxBuf[USB_COM_RX_BUF_SIZE] = {0};
static uint8_t m_UsbComTxBuf[USB_COM_TX_BUF_SIZE] = {0};
static void IntToUnicode (uint32_t value , uint8_t *pbuf , uint8_t len);
/* Extern variables ----------------------------------------------------------*/
extern LINE_CODING linecoding;
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/
/*******************************************************************************
* Function Name : Set_System
* Description : Configures Main system clocks & power
* Input : None.
* Return : None.
*******************************************************************************/
void Set_System(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
QUEUE_PacketCreate(&m_QueueUsbComRx, m_UsbComRxBuf, sizeof(m_UsbComRxBuf));
QUEUE_PacketCreate(&m_QueueUsbComTx, m_UsbComTxBuf, sizeof(m_UsbComTxBuf));
/* Enable USB_DISCONNECT GPIO clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIO_DISCONNECT, ENABLE);
/* Configure USB pull-up pin */
GPIO_InitStructure.GPIO_Pin = USB_DISCONNECT_PIN;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(USB_DISCONNECT, &GPIO_InitStructure);
/* Configure the EXTI line 18 connected internally to the USB IP */
EXTI_ClearITPendingBit(EXTI_Line18);
EXTI_InitStructure.EXTI_Line = EXTI_Line18;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
}
/*******************************************************************************
* Function Name : Set_USBClock
* Description : Configures USB Clock input (48MHz)
* Input : None.
* Return : None.
*******************************************************************************/
void Set_USBClock(void)
{
/* Select USBCLK source */
RCC_USBCLKConfig(RCC_USBCLKSource_PLLCLK_1Div5);
/* Enable the USB clock */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_USB, ENABLE);
}
/*******************************************************************************
* Function Name : Enter_LowPowerMode
* Description : Power-off system clocks and power while entering suspend mode
* Input : None.
* Return : None.
*******************************************************************************/
void Enter_LowPowerMode(void)
{
/* Set the device state to suspend */
bDeviceState = SUSPENDED;
}
/*******************************************************************************
* Function Name : Leave_LowPowerMode
* Description : Restores system clocks and power while exiting suspend mode
* Input : None.
* Return : None.
*******************************************************************************/
void Leave_LowPowerMode(void)
{
DEVICE_INFO *pInfo = &Device_Info;
/* Set the device state to the correct state */
if (pInfo->Current_Configuration != 0)
{
/* Device configured */
bDeviceState = CONFIGURED;
}
else
{
bDeviceState = ATTACHED;
}
/*Enable SystemCoreClock*/
// SystemInit();
}
/*******************************************************************************
* Function Name : USB_Interrupts_Config
* Description : Configures the USB interrupts
* Input : None.
* Return : None.
*******************************************************************************/
void USB_Interrupts_Config(void)
{
NVIC_InitTypeDef NVIC_InitStructure;
NVIC_InitStructure.NVIC_IRQChannel = USB_LP_CAN1_RX0_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
/* Enable the USB Wake-up interrupt */
NVIC_InitStructure.NVIC_IRQChannel = USBWakeUp_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_Init(&NVIC_InitStructure);
}
/*******************************************************************************
* Function Name : USB_Cable_Config
* Description : Software Connection/Disconnection of USB Cable
* Input : None.
* Return : Status
*******************************************************************************/
void USB_Cable_Config (FunctionalState NewState)
{
if (NewState == DISABLE)
{
GPIO_ResetBits(USB_DISCONNECT, USB_DISCONNECT_PIN);
}
else
{
GPIO_SetBits(USB_DISCONNECT, USB_DISCONNECT_PIN);
}
}
/*******************************************************************************
* Function Name : void USB_Config(void)
* Description : USB系统初始化
* Input :
* Output :
* Other :
* Date : 2014.11.28
*******************************************************************************/
void USB_Config(void)
{
Set_System();
Set_USBClock();
USB_Interrupts_Config();
USB_Init();
}
/*******************************************************************************
* Function Name : uint32_t USB_RxRead(uint8_t *buffter, uint32_t buffterSize)
* Description : 从USB接收缓存中读数据
* Input :
* Output :
* Other :
* Date : 2014.11.28
*******************************************************************************/
uint32_t USB_RxRead(uint8_t *buffter, uint32_t buffterSize)
{
return QUEUE_PacketOut(&m_QueueUsbComRx, buffter, buffterSize);
}
/*******************************************************************************
* Function Name : uint32_t USB_RxWrite(uint8_t *buffter, uint32_t writeLen)
* Description : 写数据到USB接收缓存中
* Input :
* Output :
* Other :
* Date : 2014.11.28
*******************************************************************************/
uint32_t USB_RxWrite(uint8_t *buffter, uint32_t writeLen)
{
return QUEUE_PacketIn(&m_QueueUsbComRx, buffter, writeLen);
}
/*******************************************************************************
* Function Name : uint32_t USB_TxRead(uint8_t *buffter, uint32_t buffterSize)
* Description : 从USB发送缓存中读数据
* Input :
* Output :
* Other :
* Date : 2014.11.28
*******************************************************************************/
uint32_t USB_TxRead(uint8_t *buffter, uint32_t buffterSize)
{
return QUEUE_PacketOut(&m_QueueUsbComTx, buffter, buffterSize);;
}
/*******************************************************************************
* Function Name : uint32_t USB_TxWrite(uint8_t *buffter, uint32_t writeLen)
* Description : 写数据到USB发送缓存中
* Input :
* Output :
* Other :
* Date : 2014.11.28
*******************************************************************************/
uint32_t USB_TxWrite(uint8_t *buffter, uint32_t writeLen)
{
return QUEUE_PacketIn(&m_QueueUsbComTx, buffter, writeLen);
}
/*******************************************************************************
* Function Name : Get_SerialNum.
* Description : Create the serial number string descriptor.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void Get_SerialNum(void)
{
uint32_t Device_Serial0, Device_Serial1, Device_Serial2;
Device_Serial0 = *(uint32_t*)ID1;
Device_Serial1 = *(uint32_t*)ID2;
Device_Serial2 = *(uint32_t*)ID3;
Device_Serial0 += Device_Serial2;
if (Device_Serial0 != 0)
{
IntToUnicode (Device_Serial0, &Virtual_Com_Port_StringSerial[2] , 8);
IntToUnicode (Device_Serial1, &Virtual_Com_Port_StringSerial[18], 4);
}
}
/*******************************************************************************
* Function Name : HexToChar.
* Description : Convert Hex 32Bits value into char.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
static void IntToUnicode (uint32_t value , uint8_t *pbuf , uint8_t len)
{
uint8_t idx = 0;
for( idx = 0 ; idx < len ; idx ++)
{
if( ((value >> 28)) < 0xA )
{
pbuf[ 2* idx] = (value >> 28) + '0';
}
else
{
pbuf[2* idx] = (value >> 28) + 'A' - 10;
}
value = value << 4;
pbuf[ 2* idx + 1] = 0;
}
}
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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