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liumin
2025-10-21 20:34:06 +08:00
commit c3f6375140
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#include "MAIN.H"
#define _nop_() udelay(1);
#define somenop {_nop_();_nop_();_nop_();_nop_();_nop_();}
#define bit bool
#define MASTER_TEST_LEN 100//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>෢<EFBFBD><E0B7A2>100<30><30><EFBFBD>ֽڵ<D6BD><DAB5><EFBFBD><EFBFBD><EFBFBD>
////FM25CL64ָ<34><EFBFBD><EEB6A8>
#define FM25CL64_WREN 0x06 //ʹ<><CAB9>
#define FM25CL64_WRDI 0x04 //ʧ<><CAA7>
#define FM25CL64_RDSR 0x05 //<2F><>״̬
#define FM25CL64_WRSR 0x01 //д״̬
#define FM25CL64_READ 0x03 //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
#define FM25CL64_WRITE 0x02 //д<><D0B4><EFBFBD><EFBFBD>
#define EN_24C02 1
#define MAX_FM25CL64_LEN 8192//8k<38>ֽ<EFBFBD>
void iic_start(void)
{
SDAOut(1);
_nop_();
SCLOut(1);
somenop;
SDAOut(0);
somenop;
SCLOut(0);
}
void iic_stop(void)
{
SDAOut(0);
_nop_();
SCLOut(1);
somenop;
SDAOut(1);
}
void iic_ack(bit ackbit)
{
if(ackbit)
SDAOut(0);
else
SDAOut(1);
somenop;
SCLOut(1);
somenop;
SCLOut(0);
SDAOut(1);
somenop;
}
bit iic_waitack(void)
{
SDAOut(1);
somenop;
SCLOut(1);
// sdrv_pinctrl_set_input_select(GPIO_Y3, PIN_IS_CMOS_SCHMITT);
// sdrv_gpio_set_pin_direction(GPIO_Y3, GPIO_DIR_IN);
somenop;
if(sdrv_gpio_read_pin_input_level(GPIO_Y3))
{
SCLOut(0);
iic_stop();
return 0;
}
else
{
SCLOut(0);
return 1;
}
}
void iic_sendbyte(unsigned char byt)
{
unsigned char i;
for(i=0;i<8;i++)
{
if(byt&0x80)
SDAOut(1);
else
SDAOut(0);
somenop;
SCLOut(1);
byt <<= 1;
somenop;
SCLOut(0);
}
}
unsigned char iic_recbyte(void)
{
unsigned char da;
unsigned char i;
for(i=0;i<8;i++)
{
SCLOut(1);
// sdrv_pinctrl_set_input_select(GPIO_Y3, PIN_IS_CMOS_SCHMITT);
// sdrv_gpio_set_pin_direction(GPIO_Y3, GPIO_DIR_IN);
somenop;
da <<= 1;
// P1_IOCR01 = 0x0020; // load port control register 1
if(sdrv_gpio_read_pin_input_level(GPIO_Y3))
da |= 0x01;
SCLOut(0);
somenop;
}
return da;
}
void wrbyte_24c02(unsigned int add,unsigned char dat)
{
#if EN_24C02
unsigned char eeprom_page = 0;
unsigned char eeprom_add = 0;
unsigned char device_add = 0;
//-------------------------------------------------
eeprom_page = add/256;//ҳ
eeprom_add = add%256;
if(eeprom_page >= 3)//ĿǰE2һ<32><D2BB>4ҳ<34><D2B3>1k
{
eeprom_page = 3;
}
// Device Address 1100 0 p1 p0 R/W
device_add = (0xa0 | (eeprom_page << 1));//
// ssdk_printf(SSDK_CRIT, "eeprom_page:0x%x\r\n", eeprom_page);
// ssdk_printf(SSDK_CRIT, "eeprom_add:0x%x\r\n", eeprom_add);
// ssdk_printf(SSDK_CRIT, "device_add:0x%x\r\n", device_add);
iic_start();
iic_sendbyte(device_add);
iic_waitack();
iic_sendbyte(eeprom_add);
iic_waitack();
iic_sendbyte(dat);
iic_waitack();
iic_stop();
#else
if(add >= MAX_FM25CL64_LEN)//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD>
{
printf("E2 len error!\r\n");
}
else
{
m_tx_buf_u8[0] = FM25CL64_WREN;//дʹ<D0B4><CAB9>
if (sdrv_spi_sync_transmit(&g_master, m_tx_buf_u8, m_rx_buf_u8,1,1))
{
printf("E2 write Failed!\r\n");
}
m_tx_buf_u8[0] = FM25CL64_WRITE;//д<><D0B4><EFBFBD><EFBFBD>
m_tx_buf_u8[1] = (uint8_t)( add >> 8);// <20><>8λ<38><CEBB>ַ
m_tx_buf_u8[2] = (uint8_t)( add );//
m_tx_buf_u8[3] = dat;//
if (sdrv_spi_sync_transmit(&g_master, m_tx_buf_u8, m_rx_buf_u8,4,4))
{
printf("E2 write Failed!\r\n");
}
}
#endif
}
unsigned char rdbyte_24c02(unsigned int add)
{
#if EN_24C02
unsigned char eeprom_page = 0;
unsigned char eeprom_add = 0;
unsigned char device_add = 0;
unsigned char da;
//-------------------------------------------------
eeprom_page = add/256;//ҳ
eeprom_add = add%256;
if(eeprom_page >= 3)//ĿǰE2һ<32><D2BB>4ҳ<34><D2B3>1k
{
eeprom_page = 3;
}
// Device Address 1100 000 R/W
iic_start();
device_add = (0xa0 | (eeprom_page << 1));// αд<CEB1><D0B4><EFBFBD><EFBFBD>
iic_sendbyte(device_add);
iic_waitack();
iic_sendbyte(eeprom_add);
iic_waitack();
iic_start();
device_add = (0xa1 | (eeprom_page << 1));//
ssdk_printf(SSDK_CRIT, "device_add:0x%x\r\n", device_add);
iic_sendbyte(device_add);
iic_waitack();
da = iic_recbyte();
iic_ack(0);
iic_stop();
//CAN_sendAck(add, da);
return da;
#else
if(add >= MAX_FM25CL64_LEN)//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD>
{
printf("E2 len error!\r\n");
}
else
{
m_tx_buf_u8[0] = FM25CL64_READ;//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
m_tx_buf_u8[1] = (uint8_t)( add >> 8);// <20><>8λ<38><CEBB>ַ
m_tx_buf_u8[2] = (uint8_t)( add );//
m_tx_buf_u8[3] = 0xFF;//
if (sdrv_spi_sync_transmit(&g_master, m_tx_buf_u8, m_rx_buf_u8,4,4))
{
printf("E2 write Failed!\r\n");
}
return m_rx_buf_u8[3];
}
#endif
return 0xFF;
}
#ifdef _EEROM_CRC_
#define POLY 0x1021
/**
* Calculating CRC-16 in 'C'
* @para addr, start of data
* @para num, length of data
* @para crc, incoming CRC
*/
unsigned int crc16(unsigned char *addr, int num, unsigned int crc)
{
int i;
for (; num > 0; num--) /* Step through bytes in memory */
{
crc = crc ^ ((*addr) << 8); /* Fetch byte from memory, XOR into CRC top byte*/
addr++;
for (i = 0; i < 8; i++) /* Prepare to rotate 8 bits */
{
if (crc & 0x8000) /* b15 is set... */
crc = (crc << 1) ^ POLY; /* rotate and XOR with polynomic */
else /* b15 is clear... */
crc <<= 1; /* just rotate */
} /* Loop for 8 bits */
crc &= 0xFFFF; /* Ensure CRC remains 16-bit value */
} /* Loop until num=0 */
return(crc); /* Return updated CRC */
}
//д<><D0B4><EFBFBD><EFBFBD>ȷ<EFBFBD><C8B7><EFBFBD>Զ<EFBFBD>дһ<D0B4><D2BB><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ͳ<EFBFBD><CDB2><EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD>
unsigned char wrEE_CRC_Bak(unsigned char add,unsigned char *eeData,unsigned char len,unsigned char addbak)
{
uword crc_Res;
unsigned char index;
unsigned char flagEEwrOK;
crc_Res = crc16(eeData, len-2, 0xffff); //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݵ<EFBFBD>У<EFBFBD><D0A3>
eeData[len-2] = (ubyte)(crc_Res );
eeData[len-1] = (ubyte)(crc_Res >> 8);
for(index=0;index<len;index++) //д<><D0B4><EFBFBD><EFBFBD>
{WDT_vServiceWDT();
wrbyte_24c02( add + index, eeData[index]);
}
flagEEwrOK = 1;
for(index=0;index<len;index++) //У<><D0A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
{WDT_vServiceWDT();
if(rdbyte_24c02( add + index) != eeData[index])
{
flagEEwrOK = 0;
break;
}
}
if(1 == flagEEwrOK) //
{
for(index=0;index<len;index++) //д<><D0B4><EFBFBD>ݺ<EFBFBD>У<EFBFBD><D0A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
{WDT_vServiceWDT();
wrbyte_24c02( addbak + index, eeData[index]);
}
flagEEwrOK = 2;
for(index=0;index<len;index++)
{WDT_vServiceWDT();
if(rdbyte_24c02( addbak + index) != eeData[index])
{ flagEEwrOK = 0;
break;
}
}
}
else
{
flagEEwrOK = 0;
//.........
}
return flagEEwrOK;
}
unsigned char rdEE_CRC_Bak(unsigned char add,unsigned char *eeData,unsigned char len,unsigned char addbak)
{
uword crc_Res;
unsigned char index;
unsigned char reEEok = 0;
for(index=0;index<len;index++) //<2F><><EFBFBD><EFBFBD><EFBFBD>ݺ<EFBFBD>У<EFBFBD><D0A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
{WDT_vServiceWDT();
eeData[index] = rdbyte_24c02(add + index);
}
crc_Res = crc16(eeData, len-2, 0xffff); //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݵ<EFBFBD>У<EFBFBD><D0A3>
if( crc_Res == ((uword)eeData[len-1] << 8) + (uword)eeData[len-2]) //<2F>Աȶ<D4B1>ȡ<EFBFBD><C8A1>У<EFBFBD><D0A3>ֵ <20><>ȷ<EFBFBD><C8B7><EFBFBD><EFBFBD>EEֵ<45><D6B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȷ...
{
reEEok = 1;
}
else
{
for(index=0;index<len;index++) //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݺ<EFBFBD>У<EFBFBD><D0A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
{WDT_vServiceWDT();
eeData[index] = rdbyte_24c02(addbak + index);
}
crc_Res = crc16(eeData, len-2, 0xffff); //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݵ<EFBFBD>У<EFBFBD><D0A3>
if( crc_Res == ((uword)eeData[len-1] << 8) + (uword)eeData[len-2]) //<2F>Աȶ<D4B1>ȡ<EFBFBD><C8A1>У<EFBFBD><D0A3>ֵ <20><>ȷ<EFBFBD><C8B7><EFBFBD><EFBFBD>EEֵ<45><D6B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȷ...
{
reEEok = 2;
}
else
{
reEEok = 0;
}
}
return reEEok;
}
#endif