507 lines
12 KiB
C
507 lines
12 KiB
C
#include "rtc_ext.h"
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#include "bl24c512.h"
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#include "include.h"
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extern void dl_start();
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extern void rp_start();
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extern bool is_report_time();
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extern bool is_dl_time();
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extern void hb_timeproc();
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st_rtc_ext ERtctime;
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void RTC_EXT_da_mode(bool in_mode)
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{
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GPIO_InitTypeDef GPIO_InitStructure;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_InitStructure.GPIO_Pin = RTC_SDA_PIN;
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if (in_mode)
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{
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
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}
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else
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{
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
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}
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GPIO_Init(RTC_SDA_PIN_PORT, &GPIO_InitStructure );
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}
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/*************************************************************
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函数功能：I2C总线复位。
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函数名称：I2C_Reset。
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函数返回：无返回值。
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函数参数：无参数
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**************************************************************/
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void RTC_EXT_Reset(void)
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{
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RTC_EXT_da_mode(SDA_MODE_IN);
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while(1)
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{
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RTC_SCL_LOW();
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delayedus(1);
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RTC_SCL_HIGH();
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if( RTC_GET_SDA() ==1 )
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{
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break;
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}
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delayedus(1);
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}
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RTC_EXT_da_mode(SDA_MODE_OUT);
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}
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void RTC_EXT_init(void)
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{
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GPIO_InitTypeDef GPIO_InitStructure;
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RCC_APB2PeriphClockCmd(RTC_SDA_PIN_CLK | RTC_SCL_PIN_CLK , ENABLE);
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_InitStructure.GPIO_Pin = RTC_SDA_PIN;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
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GPIO_Init(RTC_SDA_PIN_PORT , &GPIO_InitStructure );
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_InitStructure.GPIO_Pin = RTC_SCL_PIN;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
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GPIO_Init(RTC_SCL_PIN_PORT , &GPIO_InitStructure );
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RTC_EXT_Reset();
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}
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/*************************************************************
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函数功能：产生起始位。
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函数名称：I2C_GenerateSTART。
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函数返回：无返回值。
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函数参数：无参数
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**************************************************************/
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void RTC_EXT_GenerateSTART(void)
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{
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RTC_SDA_HIGH();//eeprom_da(1);
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RTC_SCL_HIGH();//eeprom_clk(1);
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delayedus(2);
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RTC_SDA_LOW();//eeprom_da(0);
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delayedus(2);
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RTC_SCL_LOW();//eeprom_clk(0);
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delayedus(2);
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}
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/*************************************************************
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函数功能：产生停始位。
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函数名称：I2C_GenerateSTOP。
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函数返回：无返回值。
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函数参数：无参数
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**************************************************************/
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void RTC_EXT_I2C_GenerateSTOP(void)
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{
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RTC_SDA_LOW();//eeprom_da(0);
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delayedus(2);
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RTC_SCL_HIGH();//eeprom_clk(1);
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RTC_SDA_LOW();//eeprom_da(0);
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delayedus(2);
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RTC_SDA_HIGH();//eeprom_da(1);
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}
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/*************************************************************
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函数功能：检测应答。
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函数名称：I2C_check_ack。
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函数返回：返回值是应答状态。
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函数参数：无参数。
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**************************************************************/
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unsigned char RTC_EXT_check_ack(void)
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{
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unsigned char ack=0;
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RTC_EXT_da_mode(SDA_MODE_IN);
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RTC_SCL_HIGH();//eeprom_clk(1);
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//delayedus(1);
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if(RTC_GET_SDA() ==1)
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{
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ack=0;
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}
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else
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{
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ack=1;
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}
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RTC_SCL_LOW();//eeprom_clk(0);
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//delayedus(1);
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RTC_EXT_da_mode(SDA_MODE_OUT);
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return ack;
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}
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/*************************************************************
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函数功能：发送一个应答位。
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函数名称：I2c_send_ack。
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函数返回：无返回值。
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函数参数：无。
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**************************************************************/
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void RTC_EXT_send_ack(void)
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{
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RTC_SDA_LOW();//eeprom_da(0);
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//delayedus(1);
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RTC_SCL_LOW();//eeprom_clk(0);
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//delayedus(1);
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RTC_SCL_HIGH();//eeprom_clk(1);
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//delayedus(1);
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RTC_SCL_LOW();//eeprom_clk(0);
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RTC_SDA_HIGH();//eeprom_da(1);
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}
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/*************************************************************
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函数功能：发送一个NO应答。
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函数名称：I2c_send_no_ack。
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函数返回：无返回值。
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函数参数：无。
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**************************************************************/
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void RTC_EXT_send_no_ack(void)
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{
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RTC_SDA_HIGH();//eeprom_da(1);
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//delayedus(1);
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RTC_SCL_LOW();//eeprom_clk(0);
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//delayedus(1);
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RTC_SCL_HIGH();//eeprom_clk(1);
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//delayedus(1);
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RTC_SCL_LOW();//eeprom_clk(0);
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}
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/*************************************************************
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函数功能：I2C发送一个字节。
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函数名称：I2c_send_byte。
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函数返回：无返回值。
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函数参数：无。
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**************************************************************/
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void RTC_EXT_send_byte(unsigned char data )
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{
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unsigned char i;
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RTC_SCL_LOW(); //eeprom_clk(0);//clk 0
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for(i=0;i<8;i++)
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{
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if((data&0x80)==0x80)
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{
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RTC_SDA_HIGH();//eeprom_da(1);
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}
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else
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{
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RTC_SDA_LOW(); //eeprom_da(0);
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}
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RTC_SCL_HIGH(); //eeprom_clk(1);//clk 1
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//delayedus(1);
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RTC_SCL_LOW(); //eeprom_clk(0);//clk 0
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//delayedus(1);
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data<<=1;
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}
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delayedus(90);
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}
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/*************************************************************
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函数功能：I2C接收一个字节。
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函数名称：I2c_receive_byte。
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函数返回：无返回值。
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函数参数：无。
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**************************************************************/
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unsigned char RTC_EXT_receive_byte(void)
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{
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unsigned char i;
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unsigned char rda=0;
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RTC_EXT_da_mode(SDA_MODE_IN);
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RTC_SCL_LOW(); //eeprom_clk(0);//clk 0
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//delayedus(1);
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for(i=0;i<8;i++)
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{
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rda<<=1;
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RTC_SCL_HIGH(); //eeprom_clk(1);//clk 1
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//delayedus(1);
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if(RTC_GET_SDA() ==1 )
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{
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rda|=0x01;
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}
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else
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{
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rda&=0xFE;
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}
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RTC_SCL_LOW(); //eeprom_clk(0);//clk
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//delayedus(1);
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}
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RTC_EXT_da_mode(SDA_MODE_OUT);
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return rda;
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}
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/*************************************************************
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函数功能：RTC8025T读reg
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函数名称：RTC_read_reg。
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函数返回：
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函数参数：
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**************************************************************/
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bool RTC_read_reg(u8 reg, u8 *dat)
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{
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RTC_EXT_GenerateSTART();
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RTC_EXT_send_byte(RTC_WRIT_ADDR);
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if(RTC_EXT_check_ack()==0)
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{
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return FALSE;
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}
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RTC_EXT_send_byte(reg);
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if(RTC_EXT_check_ack()==0)
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{
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return FALSE;
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}
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RTC_EXT_GenerateSTART();
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RTC_EXT_send_byte(RTC_READ_ADDR);
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if(RTC_EXT_check_ack()==0)
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{
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return FALSE;
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}
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*dat = RTC_EXT_receive_byte();
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RTC_EXT_send_no_ack();
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delayedus(1);
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RTC_EXT_I2C_GenerateSTOP();
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return TRUE;
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}
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/*************************************************************
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函数功能：RTC8025T写reg
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函数名称：RTC_write_reg。
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函数返回：
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函数参数：
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**************************************************************/
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bool RTC_write_reg(u8 reg, u8 dat)
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{
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RTC_EXT_GenerateSTART();
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RTC_EXT_send_byte(RTC_WRIT_ADDR);
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if(RTC_EXT_check_ack()==0)
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{
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return FALSE;
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}
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RTC_EXT_send_byte(reg);
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if(RTC_EXT_check_ack()==0)
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{
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return FALSE;
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}
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RTC_EXT_send_byte(dat);
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if(RTC_EXT_check_ack()==0)
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{
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return FALSE;
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}
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RTC_EXT_I2C_GenerateSTOP();
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return TRUE;
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}
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/*************************************************************
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函数功能：EEPROM任意地址读一字节。
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函数名称：RTC_test
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函数返回：
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函数参数:
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**************************************************************/
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void RTC_test(void)
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{
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u8 dat_year;
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u8 dat_mon;
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u8 dat_day;
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RTC_EXT_init();
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RTC_read_reg(RTC_REG_MONTH, &dat_mon);
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RTC_read_reg(RTC_REG_YEAR, &dat_year);
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RTC_read_reg(RTC_REG_DAY , &dat_day);
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RTC_write_reg(RTC_REG_YEAR, 16);
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RTC_write_reg(RTC_REG_MONTH, 6);
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RTC_write_reg(RTC_REG_DAY, 14);
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RTC_read_reg(RTC_REG_YEAR, &dat_year);
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RTC_read_reg(RTC_REG_MONTH, &dat_mon);
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RTC_read_reg(RTC_REG_DAY , &dat_day);
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printf("%d/%d/%d\r\n", dat_year, dat_mon, dat_day);
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}
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void set_rtc_time(st_rtc_ext rtc_dat)
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{
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RTC_EXT_init();
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RTC_write_reg(RTC_REG_SEC, rtc_dat.sec);
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RTC_write_reg(RTC_REG_MIN, rtc_dat.min);
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RTC_write_reg(RTC_REG_HOUR, rtc_dat.hour);
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RTC_write_reg(RTC_REG_WEEK, rtc_dat.week);
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RTC_write_reg(RTC_REG_DAY, rtc_dat.day);
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RTC_write_reg(RTC_REG_MONTH, rtc_dat.month);
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RTC_write_reg(RTC_REG_YEAR, rtc_dat.year);
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}
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void read_rtc_time(st_rtc_ext * rtc_dat)
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{
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RTC_EXT_init();
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st_rtc_ext TempTime1,TempTime2;
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/*
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RTC_read_reg(RTC_REG_SEC, &rtc_dat->sec);
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RTC_read_reg(RTC_REG_MIN, &rtc_dat->min);
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RTC_read_reg(RTC_REG_HOUR, &rtc_dat->hour);
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RTC_read_reg(RTC_REG_WEEK, &rtc_dat->week);
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RTC_read_reg(RTC_REG_DAY, &rtc_dat->day);
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RTC_read_reg(RTC_REG_MONTH, &rtc_dat->month);
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RTC_read_reg(RTC_REG_YEAR, &rtc_dat->year);
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*/
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for(u8 n=0 ;n<3; n++)
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{
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RTC_read_reg(RTC_REG_SEC, &TempTime1.sec);
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RTC_read_reg(RTC_REG_MIN, &TempTime1.min);
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RTC_read_reg(RTC_REG_HOUR, &TempTime1.hour);
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RTC_read_reg(RTC_REG_WEEK, &TempTime1.week);
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RTC_read_reg(RTC_REG_DAY, &TempTime1.day);
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RTC_read_reg(RTC_REG_MONTH, &TempTime1.month);
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RTC_read_reg(RTC_REG_YEAR, &TempTime1.year);
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RTC_read_reg(RTC_REG_SEC, &TempTime2.sec);
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RTC_read_reg(RTC_REG_MIN, &TempTime2.min);
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RTC_read_reg(RTC_REG_HOUR, &TempTime2.hour);
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RTC_read_reg(RTC_REG_WEEK, &TempTime2.week);
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RTC_read_reg(RTC_REG_DAY, &TempTime2.day);
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RTC_read_reg(RTC_REG_MONTH, &TempTime2.month);
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RTC_read_reg(RTC_REG_YEAR, &TempTime2.year);
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if((TempTime1.sec == TempTime2.sec) &&
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(TempTime1.min == TempTime2.min) &&
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(TempTime1.hour == TempTime2.hour) &&
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(TempTime1.week == TempTime2.week) &&
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(TempTime1.day == TempTime2.day) &&
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(TempTime1.month == TempTime2.month) &&
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(TempTime1.year == TempTime2.year)
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)
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{
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rtc_dat->sec = TempTime1.sec;
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rtc_dat->min = TempTime1.min;
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rtc_dat->hour = TempTime1.hour;
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rtc_dat->week = TempTime1.week;
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rtc_dat->day = TempTime1.day;
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rtc_dat->month = TempTime1.month;
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rtc_dat->year = TempTime1.year;
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return;
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}
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}
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RTC_read_reg(RTC_REG_SEC, &rtc_dat->sec);
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RTC_read_reg(RTC_REG_MIN, &rtc_dat->min);
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RTC_read_reg(RTC_REG_HOUR, &rtc_dat->hour);
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RTC_read_reg(RTC_REG_WEEK, &rtc_dat->week);
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RTC_read_reg(RTC_REG_DAY, &rtc_dat->day);
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RTC_read_reg(RTC_REG_MONTH, &rtc_dat->month);
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RTC_read_reg(RTC_REG_YEAR, &rtc_dat->year);
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}
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void read_rtc_stime(sTime *time_dat)
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{
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RTC_EXT_init();
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RTC_read_reg(RTC_REG_SEC, &time_dat->second);
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RTC_read_reg(RTC_REG_MIN, &time_dat->minute);
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RTC_read_reg(RTC_REG_HOUR, &time_dat->hour);
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RTC_read_reg(RTC_REG_DAY, &time_dat->day);
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RTC_read_reg(RTC_REG_MONTH, &time_dat->month);
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RTC_read_reg(RTC_REG_YEAR, &time_dat->year);
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}
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u8* GetCurrentTime( void )
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{
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return (u8*)&ERtctime;
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}
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void GetExternClockTime(st_rtc_ext * rtc_dat)
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{
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MemCpy((u8*)rtc_dat,(u8*)&ERtctime,sizeof(st_rtc_ext));
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}
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bool CheckTimeDate( st_rtc_ext * rtc_dat )
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{
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if(rtc_dat->year < 0x17) return FALSE;
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if((rtc_dat->month > 0x12) || (rtc_dat->month == 0x00) )return FALSE;
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if((rtc_dat->day > 0x31) || (rtc_dat->day == 0x00) ) return FALSE;
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if(rtc_dat->hour > 0x24) return FALSE;
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if(rtc_dat->min > 0x60) return FALSE;
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if(rtc_dat->sec > 0x60) return FALSE;
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if(rtc_dat->week > 0x06) return FALSE;
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return TRUE;
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}
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static bool is_reset = false;
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static u32 reset_count = 0;
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void ExtRTC_Process_Task(void *ptr)
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{
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RTC_EXT_init();
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read_rtc_time(&ERtctime);
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// if( ( CheckBCDFormat( (u8*)&ERtctime, sizeof(&ERtctime) ) == FALSE ) || (CheckTimeDate(&ERtctime) == FALSE) )
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// {
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// ERtctime.year = 0x17;
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// ERtctime.month = 0x07;
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// ERtctime.day = 0x01;
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// ERtctime.hour = 0x10;
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// ERtctime.min = 0x23;
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// ERtctime.sec = 0x45;
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// ERtctime.week = 0x06;
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//
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// set_rtc_time(ERtctime);
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// }
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for (;;)
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{
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read_rtc_time(&ERtctime);
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vTaskDelay( 2000 / portTICK_RATE_MS );
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hb_timeproc();
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if(ERtctime.hour==0x09 && ERtctime.min == 0x30)
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{
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is_reset = true;
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}
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if(is_reset)
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{
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reset_count ++ ;
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if(reset_count>60)
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{
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SysReset();
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}
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}
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}
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}
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