stm32f107.c

STM32F107_ETH_LwIP_V1.0.0.rar

/**
  ******************************************************************************
  * @file    stm32f107.c
  * @author  MCD Application Team
  * @version V1.0.0
  * @date    11/20/2009
  * @brief   STM32F107 hardware configuration
  ******************************************************************************
  * @copy
  *
  * THE PRESENT FIRMWARE 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 FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
  * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
  *
  * <h2><center>&copy; COPYRIGHT 2009 STMicroelectronics</center></h2>
  */

/* Includes ------------------------------------------------------------------*/
#include "stm32_eth.h"
#include "stm32f107.h"

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
#define DP83848_PHY        /* Ethernet pins mapped on STM3210C-EVAL Board */
#define PHY_ADDRESS       0x01 /* Relative to STM3210C-EVAL Board */

//#define MII_MODE          /* MII mode for STM3210C-EVAL Board (MB784) (check jumpers setting) */
#define RMII_MODE       /* RMII mode for STM3210C-EVAL Board (MB784) (check jumpers setting) */

/*--------------- LCD Messages ---------------*/
#define MESSAGE1   "     STM32F107      "
#define MESSAGE2   " Connectivity Line  "
#define MESSAGE3   "   * LwIP demos *   "
#define MESSAGE4   "                    "

/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private functions ---------------------------------------------------------*/
void GPIO_Configuration(void);
void NVIC_Configuration(void);
void ADC_Configuration(void);
void Ethernet_Configuration(void);

/**
  * @brief  Setup STM32 system (clocks, Ethernet, GPIO, NVIC) and STM3210C-EVAL resources.
  * @param  None
  * @retval None
  */
void System_Setup(void)
{
  RCC_ClocksTypeDef RCC_Clocks;

  /* Setup STM32 clock, PLL and Flash configuration) */
  SystemInit();

  /* Enable USART2 clock */
  RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2, ENABLE);


  /* Enable ETHERNET clock  */
  RCC_AHBPeriphClockCmd(RCC_AHBPeriph_ETH_MAC | RCC_AHBPeriph_ETH_MAC_Tx |
                        RCC_AHBPeriph_ETH_MAC_Rx, ENABLE);

  /* Enable GPIOs and ADC1 clocks */
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB | RCC_APB2Periph_GPIOC |
                         RCC_APB2Periph_GPIOD | RCC_APB2Periph_GPIOE | RCC_APB2Periph_AFIO |
						 RCC_APB2Periph_ADC1, ENABLE);
  
  /* NVIC configuration */
  NVIC_Configuration();  

  /* ADC configuration */
  ADC_Configuration();

  /* Configure the GPIO ports */
  GPIO_Configuration();

  /* Initialize the STM3210C-EVAL's LCD */
  STM3210C_LCD_Init();

  /* Initialize STM3210C-EVAL's LEDs */
  STM_EVAL_LEDInit(LED1);
  STM_EVAL_LEDInit(LED2);
  STM_EVAL_LEDInit(LED3);
  STM_EVAL_LEDInit(LED4);

  /* Turn on leds available on STM3210X-EVAL */
  STM_EVAL_LEDOn(LED1);
  STM_EVAL_LEDOn(LED2);
  STM_EVAL_LEDOn(LED3);
  STM_EVAL_LEDOn(LED4);

  /* Clear the LCD */
  LCD_Clear(Blue);

  /* Set the LCD Back Color */
  LCD_SetBackColor(Blue);

  /* Set the LCD Text Color */
  LCD_SetTextColor(White);

  /* Display message on the LCD*/
  LCD_DisplayStringLine(Line0, MESSAGE1);
  LCD_DisplayStringLine(Line1, MESSAGE2);
  LCD_DisplayStringLine(Line2, MESSAGE3);
  LCD_DisplayStringLine(Line3, MESSAGE4);

  /* Configure the Ethernet peripheral */
  Ethernet_Configuration();

  /* SystTick configuration: an interrupt every 10ms */
  RCC_GetClocksFreq(&RCC_Clocks);
  SysTick_Config(RCC_Clocks.SYSCLK_Frequency / 100);

  /* Update the SysTick IRQ priority should be higher than the Ethernet IRQ */
  /* The Localtime should be updated during the Ethernet packets processing */
  NVIC_SetPriority (SysTick_IRQn, 1);  
  
  /* Configure the Key button */ 
  STM_EVAL_PBInit(Button_KEY, Mode_GPIO);
}

/**
  * @brief  Configures the Ethernet Interface
  * @param  None
  * @retval None
  */
void Ethernet_Configuration(void)
{
  ETH_InitTypeDef ETH_InitStructure;

  /* MII/RMII Media interface selection ------------------------------------------*/
#ifdef MII_MODE /* Mode MII with STM3210C-EVAL  */
  GPIO_ETH_MediaInterfaceConfig(GPIO_ETH_MediaInterface_MII);

  /* Get HSE clock = 25MHz on PA8 pin (MCO) */
  RCC_MCOConfig(RCC_MCO_HSE);

#elif defined RMII_MODE  /* Mode RMII with STM3210C-EVAL */
  GPIO_ETH_MediaInterfaceConfig(GPIO_ETH_MediaInterface_RMII);

  /* Set PLL3 clock output to 50MHz (25MHz /5 *10 =50MHz) */
  RCC_PLL3Config(RCC_PLL3Mul_10);
  /* Enable PLL3 */
  RCC_PLL3Cmd(ENABLE);
  /* Wait till PLL3 is ready */
  while (RCC_GetFlagStatus(RCC_FLAG_PLL3RDY) == RESET)
  {}

  /* Get PLL3 clock on PA8 pin (MCO) */
  RCC_MCOConfig(RCC_MCO_PLL3CLK);
#endif

  /* Reset ETHERNET on AHB Bus */
  ETH_DeInit();

  /* Software reset */
  ETH_SoftwareReset();

  /* Wait for software reset */
  while (ETH_GetSoftwareResetStatus() == SET);

  /* ETHERNET Configuration ------------------------------------------------------*/
  /* Call ETH_StructInit if you don't like to configure all ETH_InitStructure parameter */
  ETH_StructInit(&ETH_InitStructure);

  /* Fill ETH_InitStructure parametrs */
  /*------------------------   MAC   -----------------------------------*/
  ETH_InitStructure.ETH_AutoNegotiation = ETH_AutoNegotiation_Enable  ;
  ETH_InitStructure.ETH_LoopbackMode = ETH_LoopbackMode_Disable;
  ETH_InitStructure.ETH_RetryTransmission = ETH_RetryTransmission_Disable;
  ETH_InitStructure.ETH_AutomaticPadCRCStrip = ETH_AutomaticPadCRCStrip_Disable;
  ETH_InitStructure.ETH_ReceiveAll = ETH_ReceiveAll_Disable;
  ETH_InitStructure.ETH_BroadcastFramesReception = ETH_BroadcastFramesReception_Enable;
  ETH_InitStructure.ETH_PromiscuousMode = ETH_PromiscuousMode_Disable;
  ETH_InitStructure.ETH_MulticastFramesFilter = ETH_MulticastFramesFilter_Perfect;
  ETH_InitStructure.ETH_UnicastFramesFilter = ETH_UnicastFramesFilter_Perfect;
#ifdef CHECKSUM_BY_HARDWARE
  ETH_InitStructure.ETH_ChecksumOffload = ETH_ChecksumOffload_Enable;
#endif

  /*------------------------   DMA   -----------------------------------*/  
  
  /* When we use the Checksum offload feature, we need to enable the Store and Forward mode: 
  the store and forward guarantee that a whole frame is stored in the FIFO, so the MAC can insert/verify the checksum, 
  if the checksum is OK the DMA can handle the frame otherwise the frame is dropped */
  ETH_InitStructure.ETH_DropTCPIPChecksumErrorFrame = ETH_DropTCPIPChecksumErrorFrame_Enable; 
  ETH_InitStructure.ETH_ReceiveStoreForward = ETH_ReceiveStoreForward_Enable;         
  ETH_InitStructure.ETH_TransmitStoreForward = ETH_TransmitStoreForward_Enable;     
 
  ETH_InitStructure.ETH_ForwardErrorFrames = ETH_ForwardErrorFrames_Disable;       
  ETH_InitStructure.ETH_ForwardUndersizedGoodFrames = ETH_ForwardUndersizedGoodFrames_Disable;   
  ETH_InitStructure.ETH_SecondFrameOperate = ETH_SecondFrameOperate_Enable;                                                          
  ETH_InitStructure.ETH_AddressAlignedBeats = ETH_AddressAlignedBeats_Enable;      
  ETH_InitStructure.ETH_FixedBurst = ETH_FixedBurst_Enable;                
  ETH_InitStructure.ETH_RxDMABurstLength = ETH_RxDMABurstLength_32Beat;          
  ETH_InitStructure.ETH_TxDMABurstLength = ETH_TxDMABurstLength_32Beat;                                                                 
  ETH_InitStructure.ETH_DMAArbitration = ETH_DMAArbitration_RoundRobin_RxTx_2_1;

  /* Configure Ethernet */
  ETH_Init(&ETH_InitStructure, PHY_ADDRESS);

  /* Enable the Ethernet Rx Interrupt */
  ETH_DMAITConfig(ETH_DMA_IT_NIS | ETH_DMA_IT_R, ENABLE);

}

/**
  * @brief  Configures the different GPIO ports.
  * @param  None
  * @retval None
  */
void GPIO_Configuration(void)
{
  GPIO_InitTypeDef GPIO_InitStructure;

  /* ETHERNET pins configuration */
  /* AF Output Push Pull:
  - ETH_MII_MDIO / ETH_RMII_MDIO: PA2
  - ETH_MII_MDC / ETH_RMII_MDC: PC1
  - ETH_MII_TXD2: PC2
  - ETH_MII_TX_EN / ETH_RMII_TX_EN: PB11
  - ETH_MII_TXD0 / ETH_RMII_TXD0: PB12
  - ETH_MII_TXD1 / ETH_RMII_TXD1: PB13
  - ETH_MII_PPS_OUT / ETH_RMII_PPS_OUT: PB5
  - ETH_MII_TXD3: PB8 */

  /* Configure PA2 as alternate function push-pull */
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
  GPIO_Init(GPIOA, &GPIO_InitStructure);

  /* Configure PC1, PC2 and PC3 as alternate function push-pull */
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1 | GPIO_Pin_2;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
  GPIO_Init(GPIOC, &GPIO_InitStructure);

  /* Configure PB5, PB8, PB11, PB12 and PB13 as alternate function push-pull */
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5 | GPIO_Pin_8 | GPIO_Pin_11 |
                                GPIO_Pin_12 | GPIO_Pin_13;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
  GPIO_Init(GPIOB, &GPIO_InitStructure);

  /**************************************************************/
  /*               For Remapped Ethernet pins                   */
  /*************************************************************/
  /* Input (Reset Value):
  - ETH_MII_CRS CRS: PA0
  - ETH_MII_RX_CLK / ETH_RMII_REF_CLK: PA1
  - ETH_MII_COL: PA3
  - ETH_MII_RX_DV / ETH_RMII_CRS_DV: PD8
  - ETH_MII_TX_CLK: PC3
  - ETH_MII_RXD0 / ETH_RMII_RXD0: PD9
  - ETH_MII_RXD1 / ETH_RMII_RXD1: PD10
  - ETH_MII_RXD2: PD11
  - ETH_MII_RXD3: PD12
  - ETH_MII_RX_ER: PB10 */

  /* ETHERNET pins remapp in STM3210C-EVAL board: RX_DV and RxD[3:0] */
  GPIO_PinRemapConfig(GPIO_Remap_ETH, ENABLE);

  /* Configure PA0, PA1 and PA3 as input */
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_3;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
  GPIO_Init(GPIOA, &GPIO_InitStructure);

  /* Configure PB10 as input */
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
  GPIO_Init(GPIOB, &GPIO_InitStructure);

  /* Configure PC3 as input */
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
  GPIO_Init(GPIOC, &GPIO_InitStructure);

  /* Configure PD8, PD9, PD10, PD11 and PD12 as input */
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 | GPIO_Pin_11 | GPIO_Pin_12;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
  GPIO_Init(GPIOD, &GPIO_InitStructure); /**/

  /* ADC Channel14 config --------------------------------------------------------*/
  /* Relative to STM3210D-EVAL Board   */
  /* Configure PC.04 (ADC Channel14) as analog input -------------------------*/
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
  GPIO_Init(GPIOC, &GPIO_InitStructure);

  /* MCO pin configuration------------------------------------------------- */
  /* Configure MCO (PA8) as alternate function push-pull */
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
  GPIO_Init(GPIOA, &GPIO_InitStructure);

}

/**
  * @brief  Configures the ADC.
  * @param  None
  * @retval None
  */
void ADC_Configuration(void)
{
  ADC_InitTypeDef ADC_InitStructure;

  /* ADC1 Configuration ------------------------------------------------------*/
  ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
  ADC_InitStructure.ADC_ScanConvMode = DISABLE;
  ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
  ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
  ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
  ADC_InitStructure.ADC_NbrOfChannel = 1;
  ADC_Init(ADC1, &ADC_InitStructure);

  /* ADC1 regular channel14 configuration */
  ADC_RegularChannelConfig(ADC1, ADC_Channel_14, 1, ADC_SampleTime_13Cycles5);

  /* Enable ADC1 */
  ADC_Cmd(ADC1, ENABLE);

  /* Start ADC1 Software Conversion */
  ADC_SoftwareStartConvCmd(ADC1, ENABLE);
}

/**
  * @brief  Configures the nested vectored interrupt controller.
  * @param  None
  * @retval None
  */
void NVIC_Configuration(void)
{
  NVIC_InitTypeDef   NVIC_InitStructure;

  /* Set the Vector Table base location at 0x08000000 */
  NVIC_SetVectorTable(NVIC_VectTab_FLASH, 0x0);

  /* 2 bit for pre-emption priority, 2 bits for subpriority */
  NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); 
  
  /* Enable the Ethernet global Interrupt */
  NVIC_InitStructure.NVIC_IRQChannel = ETH_IRQn;
  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2;
  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
  NVIC_Init(&NVIC_InitStructure);    
  
}

/******************* (C) COPYRIGHT 2009 STMicroelectronics *****END OF FILE****/