stm3210e_eval.c

STM32的SPI1与SPI2通信

/**
  ******************************************************************************
  * @file    stm3210e_eval.c
  * @author  MCD Application Team
  * @version V4.5.0
  * @date    07-March-2011
  * @brief   This file provides
  *            - set of firmware functions to manage Leds, push-button and COM ports
  *            - low level initialization functions for SD card (on SDIO), SPI serial
  *              flash (sFLASH) and temperature sensor (LM75)
  *          available on STM3210E-EVAL evaluation board from STMicroelectronics.  
  ******************************************************************************
  * @attention
  *
  * 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 2011 STMicroelectronics</center></h2>
  ******************************************************************************  
  */ 
  
/* Includes ------------------------------------------------------------------*/
#include "stm3210e_eval.h"
#include "stm32f10x_spi.h"
#include "stm32f10x_i2c.h"
#include "stm32f10x_sdio.h"
#include "stm32f10x_dma.h"

/** @addtogroup Utilities
  * @{
  */ 

/** @addtogroup STM32_EVAL
  * @{
  */ 

/** @addtogroup STM3210E_EVAL
  * @{
  */ 
      
/** @defgroup STM3210E_EVAL_LOW_LEVEL 
  * @brief This file provides firmware functions to manage Leds, push-buttons, 
  *        COM ports, SD card on SDIO, serial flash (sFLASH), serial EEPROM (sEE) 
  *        and temperature sensor (LM75) available on STM3210E-EVAL evaluation 
  *        board from STMicroelectronics.
  * @{
  */ 

/** @defgroup STM3210E_EVAL_LOW_LEVEL_Private_TypesDefinitions
  * @{
  */ 
/**
  * @}
  */ 


/** @defgroup STM3210E_EVAL_LOW_LEVEL_Private_Defines
  * @{
  */ 
/**
  * @}
  */ 


/** @defgroup STM3210E_EVAL_LOW_LEVEL_Private_Macros
  * @{
  */ 
/**
  * @}
  */ 


/** @defgroup STM3210E_EVAL_LOW_LEVEL_Private_Variables
  * @{
  */ 
GPIO_TypeDef* GPIO_PORT[LEDn] = {LED1_GPIO_PORT, LED2_GPIO_PORT, LED3_GPIO_PORT,
                                 LED4_GPIO_PORT};
const uint16_t GPIO_PIN[LEDn] = {LED1_PIN, LED2_PIN, LED3_PIN,
                                 LED4_PIN};
const uint32_t GPIO_CLK[LEDn] = {LED1_GPIO_CLK, LED2_GPIO_CLK, LED3_GPIO_CLK,
                                 LED4_GPIO_CLK};

GPIO_TypeDef* BUTTON_PORT[BUTTONn] = {WAKEUP_BUTTON_GPIO_PORT, TAMPER_BUTTON_GPIO_PORT, 
                                      KEY_BUTTON_GPIO_PORT, RIGHT_BUTTON_GPIO_PORT,
                                      LEFT_BUTTON_GPIO_PORT, UP_BUTTON_GPIO_PORT,
                                      DOWN_BUTTON_GPIO_PORT, SEL_BUTTON_GPIO_PORT}; 

const uint16_t BUTTON_PIN[BUTTONn] = {WAKEUP_BUTTON_PIN, TAMPER_BUTTON_PIN, 
                                      KEY_BUTTON_PIN, RIGHT_BUTTON_PIN,
                                      LEFT_BUTTON_PIN, UP_BUTTON_PIN,
                                      DOWN_BUTTON_PIN, SEL_BUTTON_PIN}; 

const uint32_t BUTTON_CLK[BUTTONn] = {WAKEUP_BUTTON_GPIO_CLK, TAMPER_BUTTON_GPIO_CLK,
                                      KEY_BUTTON_GPIO_CLK, RIGHT_BUTTON_GPIO_CLK,
                                      LEFT_BUTTON_GPIO_CLK, UP_BUTTON_GPIO_CLK,
                                      DOWN_BUTTON_GPIO_CLK, SEL_BUTTON_GPIO_CLK};

const uint16_t BUTTON_EXTI_LINE[BUTTONn] = {WAKEUP_BUTTON_EXTI_LINE,
                                            TAMPER_BUTTON_EXTI_LINE, 
                                            KEY_BUTTON_EXTI_LINE,
                                            RIGHT_BUTTON_EXTI_LINE,
                                            LEFT_BUTTON_EXTI_LINE,
                                            UP_BUTTON_EXTI_LINE,
                                            DOWN_BUTTON_EXTI_LINE,
                                            SEL_BUTTON_EXTI_LINE};

const uint16_t BUTTON_PORT_SOURCE[BUTTONn] = {WAKEUP_BUTTON_EXTI_PORT_SOURCE,
                                              TAMPER_BUTTON_EXTI_PORT_SOURCE, 
                                              KEY_BUTTON_EXTI_PORT_SOURCE,
                                              RIGHT_BUTTON_EXTI_PORT_SOURCE,
                                              LEFT_BUTTON_EXTI_PORT_SOURCE,
                                              UP_BUTTON_EXTI_PORT_SOURCE,
                                              DOWN_BUTTON_EXTI_PORT_SOURCE,
                                              SEL_BUTTON_EXTI_PORT_SOURCE};
								 
const uint16_t BUTTON_PIN_SOURCE[BUTTONn] = {WAKEUP_BUTTON_EXTI_PIN_SOURCE,
                                             TAMPER_BUTTON_EXTI_PIN_SOURCE, 
                                             KEY_BUTTON_EXTI_PIN_SOURCE,
                                             RIGHT_BUTTON_EXTI_PIN_SOURCE,
                                             LEFT_BUTTON_EXTI_PIN_SOURCE,
                                             UP_BUTTON_EXTI_PIN_SOURCE,
                                             DOWN_BUTTON_EXTI_PIN_SOURCE,
                                             SEL_BUTTON_EXTI_PIN_SOURCE}; 

const uint16_t BUTTON_IRQn[BUTTONn] = {WAKEUP_BUTTON_EXTI_IRQn, TAMPER_BUTTON_EXTI_IRQn, 
                                       KEY_BUTTON_EXTI_IRQn, RIGHT_BUTTON_EXTI_IRQn,
                                       LEFT_BUTTON_EXTI_IRQn, UP_BUTTON_EXTI_IRQn,
                                       DOWN_BUTTON_EXTI_IRQn, SEL_BUTTON_EXTI_IRQn};

USART_TypeDef* COM_USART[COMn] = {EVAL_COM1, EVAL_COM2}; 

GPIO_TypeDef* COM_TX_PORT[COMn] = {EVAL_COM1_TX_GPIO_PORT, EVAL_COM2_TX_GPIO_PORT};
 
GPIO_TypeDef* COM_RX_PORT[COMn] = {EVAL_COM1_RX_GPIO_PORT, EVAL_COM2_RX_GPIO_PORT};
 
const uint32_t COM_USART_CLK[COMn] = {EVAL_COM1_CLK, EVAL_COM2_CLK};

const uint32_t COM_TX_PORT_CLK[COMn] = {EVAL_COM1_TX_GPIO_CLK, EVAL_COM2_TX_GPIO_CLK};
 
const uint32_t COM_RX_PORT_CLK[COMn] = {EVAL_COM1_RX_GPIO_CLK, EVAL_COM2_RX_GPIO_CLK};

const uint16_t COM_TX_PIN[COMn] = {EVAL_COM1_TX_PIN, EVAL_COM2_TX_PIN};

const uint16_t COM_RX_PIN[COMn] = {EVAL_COM1_RX_PIN, EVAL_COM2_RX_PIN};

/**
  * @}
  */ 


/** @defgroup STM3210E_EVAL_LOW_LEVEL_Private_FunctionPrototypes
  * @{
  */ 

/**
  * @}
  */ 


/** @defgroup STM3210E_EVAL_LOW_LEVEL_Private_Functions
  * @{
  */ 

/**
  * @brief  Configures LED GPIO.
  * @param  Led: Specifies the Led to be configured. 
  *   This parameter can be one of following parameters:
  *     @arg LED1
  *     @arg LED2
  *     @arg LED3
  *     @arg LED4
  * @retval None
  */
void STM_EVAL_LEDInit(Led_TypeDef Led)
{
  GPIO_InitTypeDef  GPIO_InitStructure;
  
  /* Enable the GPIO_LED Clock */
  RCC_APB2PeriphClockCmd(GPIO_CLK[Led], ENABLE);

  /* Configure the GPIO_LED pin */
  GPIO_InitStructure.GPIO_Pin = GPIO_PIN[Led];
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

  GPIO_Init(GPIO_PORT[Led], &GPIO_InitStructure);
}

/**
  * @brief  Turns selected LED On.
  * @param  Led: Specifies the Led to be set on. 
  *   This parameter can be one of following parameters:
  *     @arg LED1
  *     @arg LED2
  *     @arg LED3
  *     @arg LED4  
  * @retval None
  */
void STM_EVAL_LEDOn(Led_TypeDef Led)
{
  GPIO_PORT[Led]->BSRR = GPIO_PIN[Led];     
}

/**
  * @brief  Turns selected LED Off.
  * @param  Led: Specifies the Led to be set off. 
  *   This parameter can be one of following parameters:
  *     @arg LED1
  *     @arg LED2
  *     @arg LED3
  *     @arg LED4 
  * @retval None
  */
void STM_EVAL_LEDOff(Led_TypeDef Led)
{
  GPIO_PORT[Led]->BRR = GPIO_PIN[Led];    
}

/**
  * @brief  Toggles the selected LED.
  * @param  Led: Specifies the Led to be toggled. 
  *   This parameter can be one of following parameters:
  *     @arg LED1
  *     @arg LED2
  *     @arg LED3
  *     @arg LED4  
  * @retval None
  */
void STM_EVAL_LEDToggle(Led_TypeDef Led)
{
  GPIO_PORT[Led]->ODR ^= GPIO_PIN[Led];
}

/**
  * @brief  Configures Button GPIO and EXTI Line.
  * @param  Button: Specifies the Button to be configured.
  *   This parameter can be one of following parameters:   
  *     @arg BUTTON_WAKEUP: Wakeup Push Button
  *     @arg BUTTON_TAMPER: Tamper Push Button  
  *     @arg BUTTON_KEY: Key Push Button 
  *     @arg BUTTON_RIGHT: Joystick Right Push Button 
  *     @arg BUTTON_LEFT: Joystick Left Push Button 
  *     @arg BUTTON_UP: Joystick Up Push Button 
  *     @arg BUTTON_DOWN: Joystick Down Push Button
  *     @arg BUTTON_SEL: Joystick Sel Push Button
  * @param  Button_Mode: Specifies Button mode.
  *   This parameter can be one of following parameters:   
  *     @arg BUTTON_MODE_GPIO: Button will be used as simple IO 
  *     @arg BUTTON_MODE_EXTI: Button will be connected to EXTI line with interrupt
  *                     generation capability  
  * @retval None
  */
void STM_EVAL_PBInit(Button_TypeDef Button, ButtonMode_TypeDef Button_Mode)
{
  GPIO_InitTypeDef GPIO_InitStructure;
  EXTI_InitTypeDef EXTI_InitStructure;
  NVIC_InitTypeDef NVIC_InitStructure;

  /* Enable the BUTTON Clock */
  RCC_APB2PeriphClockCmd(BUTTON_CLK[Button] | RCC_APB2Periph_AFIO, ENABLE);

  /* Configure Button pin as input floating */
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
  GPIO_InitStructure.GPIO_Pin = BUTTON_PIN[Button];
  GPIO_Init(BUTTON_PORT[Button], &GPIO_InitStructure);


  if (Button_Mode == BUTTON_MODE_EXTI)
  {
    /* Connect Button EXTI Line to Button GPIO Pin */
    GPIO_EXTILineConfig(BUTTON_PORT_SOURCE[Button], BUTTON_PIN_SOURCE[Button]);

    /* Configure Button EXTI line */
    EXTI_InitStructure.EXTI_Line = BUTTON_EXTI_LINE[Button];
    EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;

    if(Button != BUTTON_WAKEUP)
    {
      EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;  
    }
    else
    {
      EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;  
    }
    EXTI_InitStructure.EXTI_LineCmd = ENABLE;
    EXTI_Init(&EXTI_InitStructure);

    /* Enable and set Button EXTI Interrupt to the lowest priority */
    NVIC_InitStructure.NVIC_IRQChannel = BUTTON_IRQn[Button];
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0F;
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0F;
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;

    NVIC_Init(&NVIC_InitStructure); 
  }
}

/**
  * @brief  Returns the selected Button state.
  * @param  Button: Specifies the Button to be checked.
  *   This parameter can be one of following parameters:    
  *     @arg BUTTON_WAKEUP: Wakeup Push Button
  *     @arg BUTTON_TAMPER: Tamper Push Button  
  *     @arg BUTTON_KEY: Key Push Button 
  *     @arg BUTTON_RIGHT: Joystick Right Push Button 
  *     @arg BUTTON_LEFT: Joystick Left Push Button 
  *     @arg BUTTON_UP: Joystick Up Push Button 
  *     @arg BUTTON_DOWN: Joystick Down Push Button
  *     @arg BUTTON_SEL: Joystick Sel Push Button    
  * @retval The Button GPIO pin value.
  */
uint32_t STM_EVAL_PBGetState(Button_TypeDef Button)
{
  return GPIO_ReadInputDataBit(BUTTON_PORT[Button], BUTTON_PIN[Button]);
}

/**
  * @brief  Configures COM port.
  * @param  COM: Specifies the COM port to be configured.
  *   This parameter can be one of following parameters:    
  *     @arg COM1
  *     @arg COM2  
  * @param  USART_InitStruct: pointer to a USART_InitTypeDef structure that
  *   contains the configuration information for the specified USART peripheral.
  * @retval None
  */
void STM_EVAL_COMInit(COM_TypeDef COM, USART_InitTypeDef* USART_InitStruct)
{
  GPIO_InitTypeDef GPIO_InitStructure;