int I2cSearch()
{
int i, ret;
uint8_t send, recive;
send = 0;
//7bitアドレス
printf(" ");
for(i=0; i<0x10; i++)
printf("%2X ", i);
for(i=0; i<1<<8; i++)
{
if( i%0x10 == 0 )
printf("\n %2X ", i);
I2cSetSlaveAddr(i);
I2cWrite(&send, 1);
ret = I2cRead(&recive, 1);
if( ret != 0 )
{
printf("-- ");
continue;
}
printf("%2x ", i);
//for(i=0; i<1; i++)
// I2cDprintf("recive[%d] %d\n", i, recive[i]);
DelayMicroSecond(100);
}
printf("\n");
}
uint32_t get_ir_sen(void)
{
uint32_t buf[10];
buf[0] = 0;
I2cWrite(SENSOR_BUS, 0x90, buf, 2);
return I2cRead(SENSOR_BUS, 0x90, 1);
}
EN_RESULT CurrentMonitor_WriteCalibration(uint16_t value)
{
uint16_t tempValue = ChangeByteOrder(value);
return I2cWrite(CURRENT_MONITOR_DEVICE_ADDRESS,
CURRENT_MONITOR_REGISTER_ADDRESS_CALIBRATION,
EI2cSubAddressMode_OneByte,
(uint8_t*)&tempValue,
2);
}
/******************************************************
函数描述: I2C 设备写操作函数
参数描述:
chn:
I2C 通道号, 系统使用两路I2C 通道0 为主控板
通道1 为远端
chipType:
I2C 设备地址，I2C为共享总线，每一个总线上
的设备都有对应的地址
addr:
需要访问的寄存器偏移
value:
写入寄存器的值
函数返回值
无
*******************************************************/
void dev_I2C_Write(uint32_t chn,uint32_t chipType,uint8_t addr,uint8_t value)
{
if (chn > 1)
{
printf ("\r\n the I2C channel error ! channel = 0x%0x\n", chn);
return;
}
I2cWrite((unsigned char)chn, (unsigned char)chipType, (unsigned long)(addr & 0xFF), (unsigned char)value);
}
/*--------------------------------------------------------------------------------------------------*/
unsigned char GLAM_EEPROMWriteBytes(unsigned char reg_start, unsigned char bytes, unsigned char *buffer){
unsigned char i;
signed char error=0;
if( reg_start+bytes >120)
return (2); /* it is not allowed modify configuration data */
cli();
error += I2cStart(); /* send I2C start with deley */
error += I2cWrite(GLAM_EEPROM_ADDRESS); /* send 24AA01 address byte and write bit */
error += I2cWrite(reg_start); /* write first address byte for miltiple read */
for(i=0 ; i<bytes ; i++){ /* read number of bytes */
error += I2cWrite(*(buffer+i)); /* read one byte */
if((i+1) == bytes){
I2cStop(); /* send stop to 24AA01 */
break; /* break for */
}
}
sei();
if(error) /* error occurred? */
return (1); /* return error (1) -> communication failed */
return (0); /* return successfully */
}
void i2cReadWrite(void)
{
DWORD slaveId = 0x98;
BYTE byData;
logMsg("i2cTest star\n", 0, 0, 0, 0, 0, 0);
dev_I2cInit();
logMsg("i2cTest init\n", 0, 0, 0, 0, 0, 0);
I2cWrite(0, slaveId, 0x09, 0x61);
byData = 0;
I2cRead(0, slaveId, 0x09, &byData);
logMsg("i2cTest byData%d\n", byData, 0, 0, 0, 0, 0);
}
/*************************************************************
** : RTCRead
** : read RTC
** : INPUT RTCAddr
** [BCD7] = sec,min,hour,day,mon,year,week
**
** : pmj
** : 2006-9-20
**************************************************************/
void RTCRead(unsigned char *RTCAddr)
{
unsigned char buff[7];
unsigned char buffr = 0x02;
unsigned char err;
buff[0] = 0;
buff[1] = 0;
buff[2] = 0;
DISICNT = 0x3FFF; /* disable interrupts */
while(1)
{
if(I2cWrite(0xa2, &buff[0], 3) != 0) {error_i2();}
else break;
}
while(1)
{
if(I2cRead(0xa2, buff, &buffr, 1, 7) != 0) {error_i2();}
else break;
}
DISICNT = 0x0000; /* enable interrupts */
buff[4] = buff[4]&0x07;
// if(buff[4] == 0) buff[4] = 0x07;
buff[4] = buff[4] << 5;
*RTCAddr = buff[0]&0x7f; //sec
*(RTCAddr+1) = buff[1]&0x7f; //min
*(RTCAddr+2) = buff[2]&0x3f; //hour
*(RTCAddr+3) = buff[3]&0x3f; //day
*(RTCAddr+4) = (buff[5]&0x1f)|buff[4]; //week-mon
*(RTCAddr+5) = buff[6]; //year
// soft rtc
sys_date.year = *(RTCAddr+5);
sys_date.month = *(RTCAddr+4);
sys_date.day = *(RTCAddr+3);
sys_date.hour = *(RTCAddr+2);
sys_date.minute = *(RTCAddr+1);
sys_date.second = *RTCAddr;
softMin = b2h(*(RTCAddr+1));
softSec = b2h(*RTCAddr);
softMS = 0;
// soft rtc end
}
int I2cTransfer(uint8_t *tbuf, unsigned int tlen, uint8_t *rbuf, unsigned int rlen)
{
int result;
if( tbuf != NULL )
{
result = I2cWrite(tbuf, tlen);
if( result != 0 )
return result;
}
if( rbuf != NULL )
{
result = I2cRead(rbuf, rlen);
if( result != 0 )
return result;
}
return 0;
}
/*函数名称：HwCtlI2cValue
**函数参数：
**函数功能：I2C读写操作汇总
**函数返回：
**修 改 人：
**修改日期：
*/
static void HwCtlI2cValue(i2ccfg_t *pi2c_cfg)
{
EnterCriticalSection(&gHwInfo.CriticalSectionHwI2c);
switch (pi2c_cfg->flag)
{
case I2C_WRITE:
I2cWrite(pi2c_cfg);
break;
case I2C_READ:
I2cRead(pi2c_cfg);
break;
default:
break;
}
LeaveCriticalSection(&gHwInfo.CriticalSectionHwI2c);
}
/*************************************************************
** : RTCWrite
** : set RTC
** : INPUT RTCAddr
** [BCD7] = sec,min,hour,day,mon,year,week
**
** : pmj
** : 2006-9-20
**************************************************************/
void RTCWrite(unsigned char *RTCAddr)
{
unsigned char buff[20];
unsigned char i,bbc[2];
unsigned char err;
#if 0
// soft rtc start
sys_date.year = *(RTCAddr+5);
sys_date.month = *(RTCAddr+4);
sys_date.day = *(RTCAddr+3);
sys_date.hour = *(RTCAddr+2);
sys_date.minute = *(RTCAddr+1);
sys_date.second = *RTCAddr;
softMin = b2h(*(RTCAddr+1));
softSec = b2h(*RTCAddr);
#endif
#if 1
sys_date.year = 0x08;
sys_date.month = 0xb0;
sys_date.day = 0x17;
sys_date.hour = 0x16;
sys_date.minute = 0x35;
sys_date.second = 0x16;
softMin = b2h(0x35);
softSec = b2h(0x16);
#endif
softMS = 0;
// soft rtc end
buff[0] = 0;
buff[2] = 0;
buff[1] = 0x20;
#if 0
for(i = 0; i < 4; i++)
{
buff[i+3] = *(RTCAddr+i);
}
buff[7] = (*(RTCAddr+4)) >> 5;
if(buff[7] == 7) buff[7] = 0;
buff[8] = (*(RTCAddr+4))&0x1f;
buff[9] = *(RTCAddr+5);
#endif
#if 1
buff[3] = _time_chk.sec;//0x18;
buff[4] = _time_chk.min;//0x35; // 分
buff[5] = _time_chk.hr;//0x16; //16时
buff[6] = _time_chk.day;//0x31; //31日
buff[7] = _time_chk.wkd;//(0x72) >> 5; // 星期三
// if(buff[7] == 7) buff[7] = 0;
buff[8] = _time_chk.mth;//0x72&0x1f; // 12月
buff[9] = _time_chk.yr;//0x08;// year
#else
buff[3] = 0x18;
buff[4] = 0x35; // 分
buff[5] = 0x16; //16时
buff[6] = 0x31; //31日
buff[7] = (0x72) >> 5; // 星期三
if(buff[7] == 7) buff[7] = 0;
buff[8] = 0x72&0x1f; // 12月
buff[9] = 0x08; // year
#endif
for(i = 10; i < 14; i++)
{
buff[i] = 0x80;
}
buff[14] = 0x80;
buff[15] = 0;
buff[16] = 0x00;
while(1)
{
if(I2cWrite(0xa2, &buff[0], 17) != 0) {error_i2();}
else break;
}
buff[0] = 0;
buff[1] = 0;
buff[2] = 0;
while(1)
{
if(I2cWrite(0xa2, &buff[0], 3) != 0) {error_i2();}
else break;
}
}