有人用GD32和RX-8025通信吗

只看该作者 · 2015-12-29 23:21

最近在做一个RTC，想用RX-8025，不知道谁做过类似的程序

只看该作者 · 2015-12-29 23:28

/* Includes--------------------------------------------------------------*/
//#include       "sysconfig.h"
#include "stm32f10x.h"
//#include       "bsp_SIIC.h"
#include "bsp_RX8025.h"
/*
Private define-----------------------------------------------------------------------------*/
// 设备读写地址
#define       RX8025_ADDR_READ             0x65
#define       RX8025_ADDR_WRITE             0x64
// 设备寄存器地址
#define       RX8025_ADDR_SECONDS             0x00
#define       RX8025_ADDR_WEEK             0x30
#define       RX8025_ADDR_DATES             0x40
#define       RX8025_ADDR_MONTH             0x50
#define       RX8025_ADDR_MINUTES             0x80
#define       RX8025_ADDR_CONTROL1       0xE0
#define       RX8025_ADDR_CONTROL2       0xF0
// 设备操作模式
#define       RX8025_WRITE_MODE             0xF0
#define       RX8025_READ_MODE             0xF0
#define       RX8025_SIMP_READ_MODE       0x04
#define u8BAND(addr, u8num) ((addr & 0xF0000000)+0x2000000+((addr &0xFFFFF)<<5)+(u8num<<2))
#define MEM_ADDR(addr)  *((volatile unsigned long  *)(addr))
#define u8_ADDR(addr, u8num) MEM_ADDR(u8BAND(addr, u8num))
//IO口地址映射
#define GPIOA_ODR_Addr (GPIOA_BASE+12) //0x4001080C
#define GPIOB_ODR_Addr (GPIOB_BASE+12) //0x40010C0C
#define GPIOC_ODR_Addr (GPIOC_BASE+12) //0x4001100C
#define GPIOD_ODR_Addr (GPIOD_BASE+12) //0x4001140C
#define GPIOE_ODR_Addr (GPIOE_BASE+12) //0x4001180C
#define GPIOF_ODR_Addr (GPIOF_BASE+12) //0x40011A0C
#define GPIOG_ODR_Addr (GPIOG_BASE+12) //0x40011E0C
#define GPIOA_IDR_Addr (GPIOA_BASE+8) //0x40010808
#define GPIOB_IDR_Addr (GPIOB_BASE+8) //0x40010C08
#define GPIOC_IDR_Addr (GPIOC_BASE+8) //0x40011008
#define GPIOD_IDR_Addr (GPIOD_BASE+8) //0x40011408
#define GPIOE_IDR_Addr (GPIOE_BASE+8) //0x40011808
#define GPIOF_IDR_Addr (GPIOF_BASE+8) //0x40011A08
#define GPIOG_IDR_Addr (GPIOG_BASE+8) //0x40011E08
//IO口操作,只对单一的IO口!
//确保n的值小于16!
#define PAout(n) u8_ADDR(GPIOA_ODR_Addr,n)  //输出
#define PAin(n) u8_ADDR(GPIOA_IDR_Addr,n)  //输入
#define PBout(n) u8_ADDR(GPIOB_ODR_Addr,n)  //输出
#define PBin(n) u8_ADDR(GPIOB_IDR_Addr,n)  //输入
#define PCout(n) u8_ADDR(GPIOC_ODR_Addr,n)  //输出
#define PCin(n) u8_ADDR(GPIOC_IDR_Addr,n)  //输入
#define PDout(n) u8_ADDR(GPIOD_ODR_Addr,n)  //输出
#define PDin(n) u8_ADDR(GPIOD_IDR_Addr,n)  //输入
#define PEout(n) u8_ADDR(GPIOE_ODR_Addr,n)  //输出
#define PEin(n) u8_ADDR(GPIOE_IDR_Addr,n)  //输入
#define PFout(n) u8_ADDR(GPIOF_ODR_Addr,n)  //输出
#define PFin(n) u8_ADDR(GPIOF_IDR_Addr,n)  //输入
#define PGout(n) u8_ADDR(GPIOG_ODR_Addr,n)  //输出
#define PGin(n) u8_ADDR(GPIOG_IDR_Addr,n)  //输入

只看该作者 · 2015-12-29 23:31

/////////////////////////////////////////////////////////////////
//Ex_NVIC_Config专用定义
#define GPIO_A 0
#define GPIO_B 1
#define GPIO_C 2
#define GPIO_D 3
#define GPIO_E 4
#define GPIO_F 5
#define GPIO_G 6

//IO操作函数
#define IIC_SCL PBout(15) //SCL
#define IIC_SDA PBout(14) //SDA
#define READ_SDA PBin(14) //输入SDA
void I2C_Configuration(void);

只看该作者 · 2015-12-29 23:36

/* Private typedef----------------------------------------------------------------------------*/
// 寄存器结构
// CONTROL1,结构定义
typedef struct
{
      u8 CT:3;
      u8 TEST:1;
      u8 nCLEN2:1;
      u8 HOUR24:1;
      u8 DALE:1;
      u8 WALE:1;
}_RX8025_REG_CONTROL1_BITS;
typedef union
{
      u8 byte;
      _RX8025_REG_CONTROL1_BITS bits;
}_RX8025_REG_CONTROL1;
/* Private macro------------------------------------------------------------------------------*/
/* Private variables--------------------------------------------------------------------------*/
/* Private function prototypes----------------------------------------------------------------*/
/* Private functions--------------------------------------------------------------------------*/

只看该作者 · 2015-12-29 23:38

void I2C_Configuration(void)
{
      GPIO_InitTypeDef  GPIO_InitStructure;

      RCC_APB2PeriphClockCmd( RCC_APB2Periph_GPIOB | RCC_APB2Periph_AFIO ,ENABLE);


      /* Configure I2C2 pins: PB15 -> SCL and PB14 -> SDA */
      RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
      GPIO_InitStructure.GPIO_Pin =  GPIO_Pin_14 | GPIO_Pin_15;
      GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
      GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_OD;
      GPIO_Init(GPIOB, &GPIO_InitStructure);
}

void SDA_IN(void) //sda线输入 ,PA11
{
      GPIO_InitTypeDef GPIO_InitStructure;//声明GPIO初始化结构体
      // Configure I2C1 pins:SDA
      GPIO_InitStructure.GPIO_Pin =  GPIO_Pin_14;
      GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
      GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
      GPIO_Init(GPIOB, &GPIO_InitStructure);
}