/******************** (C) COPYRIGHT 2006 STMicroelectronics ********************

* File Name : hw_config.c

* Author : MCD Application Team

* Date First Issued : 10/01/2006 : V1.0

* Description : Hardware Configuration & Setup

********************************************************************************

* History:

* 10/01/2006 : V1.0

********************************************************************************

* THE PRESENT SOFTWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS

* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.

* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,

* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE

* CONTENT OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING

* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.

*******************************************************************************/

/* Includes ------------------------------------------------------------------*/

#include "75x_lib.h"

#include "usb_lib.h"

#include "usb_prop.h"

#include "usb_desc.h"

#include "hw_config.h"

/* Private typedef -----------------------------------------------------------*/

/* Private define ------------------------------------------------------------*/

/* Private macro -------------------------------------------------------------*/

/* Private variables ---------------------------------------------------------*/

ErrorStatus OSC4MStartUpStatus;

GPIO_InitTypeDef GPIO_InitStructure;

UART_InitTypeDef UART_InitStructure;

EIC_IRQInitTypeDef EIC_IRQInitStructure;

/* External variables --------------------------------------------------------*/

extern u8 buffer_in[VIRTUAL_COM_PORT_DATA_SIZE];

extern u32 count_in;

extern LINE_CODING linecoding;

/* Private function prototypes -----------------------------------------------*/

/* Extern function prototypes ------------------------------------------------*/

/* Private functions ---------------------------------------------------------*/

/*******************************************************************************

* Function Name : Set_System

* Description : Set System clock.

* Input : None.

* Return : None.

*******************************************************************************/

void Set_System(void)

{

GPIO_InitTypeDef GPIO_InitStructure;

// EXTIT_InitTypeDef EXTIT_InitStructure;

/* MRCC configuration --------------------------------------------------------*/

/* MRCC system reset(for debug purpose) */

MRCC_DeInit();

/* Wait for OSC4M start-up */

OSC4MStartUpStatus = MRCC_WaitForOSC4MStartUp();

if(OSC4MStartUpStatus == SUCCESS)

{

/* Set HCLK to 60MHz */

MRCC_HCLKConfig(MRCC_CKSYS_Div1);

/* Set CKTIM to 60MHz */

MRCC_CKTIMConfig(MRCC_HCLK_Div1);

/* Set PCLK to 30MHz */

MRCC_PCLKConfig(MRCC_CKTIM_Div2);

/* Enable Flash burst mode */

CFG_FLASHBurstConfig(CFG_FLASHBurst_Enable);

/* Set CKSYS to 60MHz */

MRCC_CKSYSConfig(MRCC_CKSYS_OSC4MPLL, MRCC_PLL_Mul_15);

}

/* Enbale No Clock Detected interrupt */

MRCC_ITConfig(MRCC_IT_NCKD, ENABLE);

/* Enable GPIOs, USB and EXTIT clocks */

MRCC_PeripheralClockConfig(MRCC_Peripheral_GPIO | MRCC_Peripheral_EXTIT | MRCC_Peripheral_USB

| MRCC_Peripheral_UART0, ENABLE);

MRCC_IOVoltageRangeConfig(MRCC_IOVoltageRange_3V3);

//EXTIT_ClearITPendingBit(EXTIT_ITLine14);

//EXTIT_InitStructure.EXTIT_ITLine = EXTIT_ITLine14;

//EXTIT_InitStructure.EXTIT_ITTrigger = EXTIT_ITTrigger_Rising;

//EXTIT_InitStructure.EXTIT_ITLineCmd = ENABLE;

//EXTIT_Init(&EXTIT_InitStructure);

/* Configure P2.18 ( USB Suspend/Resume ) as Output push-pull */

GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_19;

GPIO_Init(GPIO2, &GPIO_InitStructure);

GPIO_WriteBit(GPIO2, GPIO_Pin_19, (BitAction)(0));

/* Configure P1.0 (D+ Pull up) as Output push-pull */

GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;

GPIO_Init(GPIO1, &GPIO_InitStructure);

/* Configure P0.1 (RED LED) as Output push-pull */

GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;

GPIO_Init(GPIO0, &GPIO_InitStructure);

GPIO_WriteBit(GPIO0, GPIO_Pin_1, (BitAction)(1));

/* Configure the UART0_Tx as Alternate function Push-Pull */

GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11;

GPIO_Init(GPIO0, &GPIO_InitStructure);

/* Configure the UART0_Rx as input floating */

GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;

GPIO_Init(GPIO0, &GPIO_InitStructure);

UART_DeInit(UART0);

UART_ITConfig(UART0, UART_IT_Receive, ENABLE);

/* Configure the interrupt controller for UART0 channel */

EIC_IRQInitStructure.EIC_IRQChannel = UART0_IRQChannel;

EIC_IRQInitStructure.EIC_IRQChannelPriority = 1;

EIC_IRQInitStructure.EIC_IRQChannelCmd = ENABLE;

EIC_IRQInit(&EIC_IRQInitStructure);

}

/*******************************************************************************

* Function Name : Set_USBClock

* Description : Configures USB Clock input (48MHz)

* Input : None.

* Return : None.

*******************************************************************************/

void Set_USBClock(void)

{

/* Set USB kernel clock to 48 MHz */

MRCC_CKUSBConfig (MRCC_CKUSB_Internal);

CFG_USBFilterConfig(CFG_USBFilter_Enable);

}

/*******************************************************************************

* Function Name : Enter_LowPowerMode

* Description :

* Input : None.

* Return : None.

*******************************************************************************/

void Enter_LowPowerMode(void)

{

/* GPIO_WriteBit(GPIO2, GPIO_Pin_19, (BitAction)(1));

EXTIT_ClearITPendingBit(EXTIT_ITLine14);

// Enter STOP mode with OSC4M off, FLASH off and MVREG off

MRCC_EnterSTOPMode(MRCC_STOPParam_MVREGOff);

//Clear LP_DONE flag

MRCC_ClearFlag(MRCC_FLAG_LPDONE);*/

}

/*******************************************************************************

* Function Name : Leave_LowPowerMode

* Description :

* Input : None.

* Return : None.

*******************************************************************************/

void Leave_LowPowerMode(void)

{

/* EXTIT_ClearITPendingBit(EXTIT_ITLine14);

// wake up and enable all clocks in STR75x

//WaitForOSC4MStartUp();

// Clear No Clock Detected flag

MRCC_ClearFlag(MRCC_FLAG_NCKD);

// Set CKSYS to 60MHz

MRCC_CKSYSConfig(MRCC_CKSYS_OSC4MPLL, MRCC_PLL_Mul_15);

Set_USBClock();*/

}

/*******************************************************************************

* Function Name : USB_Interrupts_Config

* Description : configure and enable the USB interrupt Lines

* Input : None.

* Return : None.

*******************************************************************************/

void USB_Interrupts_Config(void)

{

/* Enable and configure the priority of the USB_LP IRQ Channel*/

EIC_IRQInitStructure.EIC_IRQChannel = USB_LP_IRQChannel;

EIC_IRQInitStructure.EIC_IRQChannelPriority = 5;

EIC_IRQInitStructure.EIC_IRQChannelCmd = ENABLE;

EIC_IRQInit(&EIC_IRQInitStructure);

/* Enable and configure the priority of the USB_HP IRQ Channel*/

EIC_IRQInitStructure.EIC_IRQChannel = USB_HP_IRQChannel;

EIC_IRQInitStructure.EIC_IRQChannelPriority = 7;

EIC_IRQInitStructure.EIC_IRQChannelCmd = ENABLE;

EIC_IRQInit(&EIC_IRQInitStructure);

/* Enable the Interrupt controller to manage IRQ channel*/

EIC_IRQCmd(ENABLE);

}

/*******************************************************************************

* Function Name : USB_Cable_Config

* Description : Software Connection/Disconnection of USB Cable

* Input : None.

* Return : Status

*******************************************************************************/

void USB_Cable_Config (FunctionalState NewState)

{

if (NewState == ENABLE)

GPIO_WriteBit(GPIO1, GPIO_Pin_0, (BitAction)(0));

else

GPIO_WriteBit(GPIO1, GPIO_Pin_0, (BitAction)(1));

}

/*******************************************************************************

* Function Name : UART0_Config_Default.

* Description : configure the UART 0 with default values.

* Input : None.

* Return : None.

*******************************************************************************/

void UART0_Config_Default(void)

{

UART_InitStructure.UART_WordLength = UART_WordLength_8D;

UART_InitStructure.UART_StopBits = UART_StopBits_1;

UART_InitStructure.UART_Parity = UART_Parity_No ;

UART_InitStructure.UART_BaudRate = 9600;

UART_InitStructure.UART_HardwareFlowControl = UART_HardwareFlowControl_None;

UART_InitStructure.UART_Mode = UART_Mode_Tx_Rx;

UART_InitStructure.UART_FIFO = UART_FIFO_Disable;

UART_Init(UART0, &UART_InitStructure);

UART_Cmd(UART0, ENABLE);

}

/*******************************************************************************

* Function Name : UART0_Config.

* Description : Configure the UART 0 according to the linecoding structure.

* Input : None.

* Return : Configuration status

TRUE : configuration done with success

FALSE : configuration aborted.

*******************************************************************************/

bool UART0_Config(void)

{

/* set the bit rate*/

if (linecoding.bitrate > 115200)

{

UART0_Config_Default();

return (FALSE);

}

/* set the Stop bit*/

switch (linecoding.format)

{

case 0: UART_InitStructure.UART_StopBits = UART_StopBits_1;

break;

case 2: UART_InitStructure.UART_StopBits = UART_StopBits_2;

break;

default :

{

UART0_Config_Default();

return (FALSE);

}

}

/* set the parity bit*/

switch (linecoding.paritytype)

{

case 0: UART_InitStructure.UART_Parity = UART_Parity_No;

break;

case 1: UART_InitStructure.UART_Parity = UART_Parity_Even;

break;

case 2: UART_InitStructure.UART_Parity = UART_Parity_Odd;

break;

case 3: UART_InitStructure.UART_Parity = UART_Parity_OddStick;

break;

case 4: UART_InitStructure.UART_Parity = UART_Parity_EvenStick;

break;

default :

{

UART0_Config_Default();

return (FALSE);

}

}

/*set the data type*/

switch (linecoding.datatype)

{

case 0x08: UART_InitStructure.UART_WordLength = UART_WordLength_8D;

break;

case 0x07: UART_InitStructure.UART_WordLength = UART_WordLength_7D;

break;

case 0x06: UART_InitStructure.UART_WordLength = UART_WordLength_6D;

break;

case 0x05: UART_InitStructure.UART_WordLength = UART_WordLength_5D;

break;

default :

{

UART0_Config_Default();

return (FALSE);

}

}

UART_InitStructure.UART_BaudRate = linecoding.bitrate;

UART_InitStructure.UART_HardwareFlowControl = UART_HardwareFlowControl_None;

UART_InitStructure.UART_Mode = UART_Mode_Tx_Rx;

UART_InitStructure.UART_FIFO = UART_FIFO_Disable;

UART_Init(UART0, &UART_InitStructure);

UART_Cmd(UART0, ENABLE);

return (TRUE);

}

/*******************************************************************************

* Function Name : USB_To_UART_Send_Data.

* Description : send the received data from USB to the UART 0.

* Input : data_buffer: data address.

Nb_bytes: number of bytes to send.

* Return : none.

*******************************************************************************/

void USB_To_UART_Send_Data(u8* data_buffer, u8 Nb_bytes)

{

u32 i;

for(i=0;i<Nb_bytes;i++)

{

UART_SendData(UART0, *(data_buffer + i));

}

}

/*******************************************************************************

* Function Name : UART_To_USB_Send_Data.

* Description : send the received data from UART 0 to USB.

* Input : None.

* Return : none.

*******************************************************************************/

void UART_To_USB_Send_Data(void)

{

buffer_in[count_in] = UART_ReceiveData(UART0);

count_in++;

UserToPMABufferCopy(buffer_in,ENDP1_TXADDR, count_in);

SetEPTxCount(ENDP1,count_in);

SetEPTxValid(ENDP1);

}

/******************* (C) COPYRIGHT 2006 STMicroelectronics *****END OF FILE****/