stm_units/app/wifi_gpio_conf.c

#include "wifi_gpio_conf.h"
#include "wifi9113.h"


/*******************wifi UART通讯配置*********************/

void Configuration_WIFI_Usart1 ( void )
{
#if (WIFI_Uart1_def || UART1_SD_def)

    GPIO_InitTypeDef GPIO_InitStructure;
    USART_InitTypeDef USART_InitStructure;

    //使能USART1/GPIO 时钟可配置
    Wifi_RCC_GPIO_CONFIG();
    Wifi_RCC_UART_CONFIG();
    /*
    *  USART1_TX -> PA9 , USART1_RX ->	PA10
    */
    GPIO_InitStructure.GPIO_Pin = Wifi_Tx;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
    GPIO_Init ( Wifi_GPIO, &GPIO_InitStructure );

    GPIO_InitStructure.GPIO_Pin = Wifi_Rx;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
    GPIO_Init ( Wifi_GPIO, &GPIO_InitStructure );

    USART_InitStructure.USART_BaudRate = Wifi_UART_BAUD;
    USART_InitStructure.USART_WordLength = USART_WordLength_8b;
    USART_InitStructure.USART_StopBits = USART_StopBits_1;
    USART_InitStructure.USART_Parity = USART_Parity_No;
    USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
    USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;

    USART_Init ( Wifi_UART, &USART_InitStructure );

    USART_ITConfig ( Wifi_UART, USART_IT_RXNE, ENABLE );
    USART_ITConfig ( Wifi_UART, USART_IT_TXE, DISABLE );

    USART_Cmd ( Wifi_UART, ENABLE );

#endif
}

//系统中断管理
void NVIC_Configuration_WIFI_USART1 ( void )
{
#if WIFI_Uart1_def

    NVIC_InitTypeDef NVIC_InitStructure;
    /* Configure the NVIC Preemption Priority Bits */
    NVIC_PriorityGroupConfig ( Wifi_NVIC_Group );

    /* Enable the USARTy Interrupt */
    NVIC_InitStructure.NVIC_IRQChannel = Wifi_NVIC_Interrupt;
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = Wifi_NVIC_Pre;
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = Wifi_NVIC_Sub;
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
    NVIC_Init ( &NVIC_InitStructure );
#endif
}


/*******************wifi硬复位配置*********************/
void Configuration_ResetWifi ( void )
{
#if WIFI_Uart1_def
    GPIO_InitTypeDef GPIO_InitStructure;
    RCC_APB2PeriphClockCmd ( Reset_IORCC, ENABLE );

    GPIO_InitStructure.GPIO_Pin = Reset_Pin;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
    GPIO_Init ( Reset_PORT, &GPIO_InitStructure );
#endif	
}

void WifiHardReset ( void )
{
#if WIFI_Uart1_def
    GPIO_ResetBits ( Reset_PORT, Reset_Pin );
    GPIO_SetBits ( Reset_PORT, Reset_Pin );

    WifiProcessStep = WIFI_STEP_CHECK;
    WifiTimeReset = 0;
#endif	
}

void WifiSoftReset ( void )
{
    strcpy ( bAtSentBuff, CONNECT_RESET );
    AtSent ( bAtSentBuff, strlen ( bAtSentBuff ) );
}

/*******************wifi信号灯*********************/
void Configuration_WifiLed ( void )
{
#if WIFI_Uart1_def
    GPIO_InitTypeDef GPIO_InitStructure;
    RCC_APB2PeriphClockCmd ( WifiLed_IORCC, ENABLE );

    GPIO_InitStructure.GPIO_Pin = WifiLed_Pin;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
    GPIO_Init ( WifiLed_PORT, &GPIO_InitStructure );
#endif
}