uint8_t calcula_r (struct res *r)
{
uint16_t adcval=0;
// pins a alta impedancia
r_init();
// mirem vin amb r1 a vcc
OUTPUT_H(RM1);
_delay_ms(100);
adcval = ReadAdc(RVIN);
OUTPUT_Z(RM1);
if (adcval <= VAL)
{
r->valor = formula_r(adcval, 1);
return 1;
}
// mirem vin amb r2 a vcc
OUTPUT_H(RM2);
_delay_ms(100);
adcval = ReadAdc(RVIN);
OUTPUT_Z(RM2);
if (adcval <= VAL)
{
r->valor = formula_r(adcval, 2);
return 2;
}
// mirem vin amb r3 a vcc
OUTPUT_H(RM3);
_delay_ms(100);
adcval = ReadAdc(RVIN);
OUTPUT_Z(RM3);
if (adcval <= VAL)
{
r->valor = formula_r(adcval, 3);
return 3;
}
// mirem vin amb r4 a vcc
OUTPUT_H(RM4);
_delay_ms(100);
adcval = ReadAdc(RVIN);
OUTPUT_Z(RM4);
if ( adcval < VAL )
{
r->valor = formula_r(adcval, 4);
return 4;
}
return 10;
}
/*
* 测试ADC
* 通过A/D转换，测量可变电阻器的电压值
*/
void Test_Adc(void)
{
float vol0, vol1;
int t0, t1;
printf("Measuring the voltage of AIN0 and AIN1, press any key to exit\n\r");
while (!awaitkey(0)) // 串口无输入，则不断测试
{
vol0 = ((float)ReadAdc(0)*3.3)/1024.0; // 计算电压值
vol1 = ((float)ReadAdc(1)*3.3)/1024.0; // 计算电压值
t0 = (vol0 - (int)vol0) * 1000; // 计算小数部分, 本代码中的printf无法打印浮点数
t1 = (vol1 - (int)vol1) * 1000; // 计算小数部分, 本代码中的printf无法打印浮点数
printf("AIN0 = %d.%-3dV AIN1 = %d.%-3dV\r", (int)vol0, t0, (int)vol1, t1);
}
printf("\n");
}
double getLM35Temp(int ch)
{
double ret=0;
ret=ReadAdc(ch);
//process Ret
//end
return ret;
}
int main()
{
while(1)
{
// 从串口接收数据后，判断其是否数字或子母，若是则加1后输出
ReadAdc(0);
}
return 0;
}
//-----------------------------------------------------------------------------
//! This method returns a calibrated (or at least nominally adjusted to make sense) voltage
//-----------------------------------------------------------------------------
bool tIMX51Common::ReadInternalVoltage(float &value)
{
int adcVoltVal;
int adcStatus = ReadAdc( GEN_PURPOSE_AD6, adcVoltVal );
// Stingray2 (and Atlantis 8", 10"):
// BATTERY_AD is divided 8.66k/(8.66k+3*33k)
// Vbat = Adc_Ch11 * 2.4/1024/8.66*107.66
// Vbat ~= Adc_Ch11 * 0.029137
// Atlantis (5", 7"):
// BATTERY_AD is divided 8.66k/(8.66k+100k)
// Vbat = Adc_Ch11 * 2.4/1024/8.66*108.66
// Vbat ~= Adc_Ch11 * 0.028867
// Cougar:
// BATTERY_AD is divided 9.1k/(9.1k+100k)
// Vbat = Adc_Ch11 * 2.4/1024/9.1*109.1
// Vbat ~= Adc_Ch11 * 0.028099
// There may be a stored calibrated multiplier which, if present and
// within accepted limits, we use it in place of the calculated one
if ( adcStatus == EXIT_SUCCESS )
{
static bool firstTime = true;
if( firstTime )
{
const char *batt_cal_file = "/etc/NOS/battery_cal";
QFile f( batt_cal_file );
if ( f.open( QIODevice::ReadOnly ) )
{
QTextStream stream(&f);
QString s;
s = stream.readLine();
f.close();
float minGoodCalValue = m_adcMultiplier * 0.94f;
float maxGoodCalValue = m_adcMultiplier * 1.06f;
bool isNumeric = false;
float calVal = s.toFloat( &isNumeric );
calVal /= 1000.0f; // Cal val stored relative to mV
if ( isNumeric && ( minGoodCalValue <= calVal && calVal <= maxGoodCalValue ) )
{
m_adcMultiplier = calVal;
}
}
firstTime = false;
}
value = static_cast<float>( adcVoltVal ) * m_adcMultiplier;
return true;
}
return false;
}
//-----------------------------------------------------------------------------
//! For calibration purposes only
//-----------------------------------------------------------------------------
bool tIMX51Common::ReadInternalVoltageADCRaw(int &value)
{
int adcVoltVal;
int adcStatus = ReadAdc( GEN_PURPOSE_AD6, adcVoltVal );
if ( adcStatus == EXIT_SUCCESS )
{
value = adcVoltVal;
return true;
}
return false;
}
void ProcessIO(void)
{
char oldPGDtris;
char PIN;
static byte counter=0;
int nBytes;
unsigned long address;
unsigned char i;
input_buffer[0]=UART1RX(); //USBGenRead((byte*)input_buffer,64);
// if(nBytes>0)
// {
switch(input_buffer[0])
{
case CMD_ERASE:
setLeds(LEDS_ON | LEDS_WR);
getBytes(1,1);//get more data, #bytes, where to insert in input buffer array
output_buffer[0]=bulk_erase(picfamily,pictype,input_buffer[1]);
counter=1;
setLeds(LEDS_ON);
break;
case CMD_READ_ID:
setLeds(LEDS_ON | LEDS_RD);
switch(picfamily)
{
case DSPIC30:
read_code(picfamily,pictype,0xFF0000,(unsigned char*)output_buffer,2,3);
break;
case PIC18:
read_code(picfamily,pictype,0x3FFFFE,(unsigned char*)output_buffer,2,3); //devid is at location 0x3ffffe for PIC18 devices
break;
case PIC16:
set_vdd_vpp(picfamily, pictype, 0);
read_code(picfamily,pictype,0x2006,(unsigned char*)output_buffer,2,3); //devid is at location 0x2006 for PIC16 devices
break;
}
counter=2;
setLeds(LEDS_ON);
break;
case CMD_WRITE_CODE:
setLeds(LEDS_ON | LEDS_WR);
address=((unsigned long)input_buffer[2])<<16|
((unsigned long)input_buffer[3])<<8|
((unsigned long)input_buffer[4]);
output_buffer[0]=write_code(picfamily,pictype,address, (unsigned char*)(input_buffer+6),input_buffer[1],input_buffer[5]);
counter=1;
setLeds(LEDS_ON);
break;
case CMD_READ_CODE:
setLeds(LEDS_ON | LEDS_RD);
address=((unsigned long)input_buffer[2])<<16|
((unsigned long)input_buffer[3])<<8|
((unsigned long)input_buffer[4]);
read_code(picfamily,pictype,address,(unsigned char*)output_buffer,input_buffer[1],input_buffer[5]);
counter=input_buffer[1];
setLeds(LEDS_ON);
break;
case CMD_WRITE_DATA:
setLeds(LEDS_ON | LEDS_WR);
address=((unsigned long)input_buffer[2])<<16|
((unsigned long)input_buffer[3])<<8|
((unsigned long)input_buffer[4]);
output_buffer[0]=write_data(picfamily,pictype,address, (unsigned char*)(input_buffer+6),input_buffer[1],input_buffer[5]);
counter=1;
setLeds(LEDS_ON);
break;
case CMD_READ_DATA:
setLeds(LEDS_ON | LEDS_RD);
address=((unsigned long)input_buffer[2])<<16|
((unsigned long)input_buffer[3])<<8|
((unsigned long)input_buffer[4]);
read_data(picfamily,pictype,address,(unsigned char*)output_buffer,input_buffer[1],input_buffer[5]);
counter=input_buffer[1];
setLeds(LEDS_ON);
break;
case CMD_WRITE_CONFIG:
setLeds(LEDS_ON | LEDS_WR);
address=((unsigned long)input_buffer[2])<<16|
((unsigned long)input_buffer[3])<<8|
((unsigned long)input_buffer[4]);
output_buffer[0]=write_config_bits(picfamily, pictype, address, (unsigned char*)(input_buffer+6),input_buffer[1],input_buffer[5]);
counter=1;
setLeds(LEDS_ON);
break;
case CMD_SET_PICTYPE:
output_buffer[0]=set_pictype(input_buffer+1);
//output_buffer[0]=1; //Ok
counter=1;
setLeds(LEDS_ON);
break;
case CMD_FIRMWARE_VERSION:
for(counter=0; counter<18; counter++)output_buffer[counter]=upp_version[counter];
counter=18;
setLeds(LEDS_ON);
break;
case CMD_DEBUG:
setLeds(LEDS_ON | LEDS_WR | LEDS_RD);
switch(input_buffer[1])
{
case 0:
set_vdd_vpp(dsP30F, DSPIC30, 1);
output_buffer[0]=1;
counter=1;
break;
case 1:
set_vdd_vpp(dsP30F, DSPIC30, 0);
output_buffer[0]=1;
counter=1;
break;
case 2:
dspic_send_24_bits(((unsigned long)input_buffer[2])|
((unsigned long)input_buffer[3])<<8|
((unsigned long)input_buffer[4])<<16);
output_buffer[0]=1;
counter=1;
break;
case 3:
nBytes = dspic_read_16_bits();
output_buffer[0]=(unsigned char)nBytes;
output_buffer[1]=(unsigned char)(nBytes>>8);
counter=2;
break;
}
break;
case CMD_GET_PIN_STATUS:
switch(input_buffer[1])
{
case SUBCMD_PIN_PGC:
if((!TRISPGC_LOW)&&(!PGC_LOW)) //3.3V levels
{
if(PGC) output_buffer[0] = PIN_STATE_3_3V;
else output_buffer[0] = PIN_STATE_0V;
}
else //5V levels
{
if(PGC) output_buffer[0] = PIN_STATE_5V;
else output_buffer[0] = PIN_STATE_0V;
}
counter=1;
break;
case SUBCMD_PIN_PGD:
if(TRISPGD)//PGD is input
{
if(PGD_READ) output_buffer[0] = PIN_STATE_5V;
else output_buffer[0] = PIN_STATE_0V;
}
else
{
if((!TRISPGD_LOW)&&(!PGD_LOW)) //3.3V levels
{
if(PGD) output_buffer[0] = PIN_STATE_3_3V;
else output_buffer[0] = PIN_STATE_0V;
}
else //5V levels
{
if(PGD) output_buffer[0] = PIN_STATE_5V;
else output_buffer[0] = PIN_STATE_0V;
}
}
counter=1;
break;
case SUBCMD_PIN_VDD:
//if(VDD) output_buffer[0] = PIN_STATE_FLOAT;
//else output_buffer[0] = PIN_STATE_5V;
output_buffer[0] = PIN_STATE_5V;
counter = 1;
break;
case SUBCMD_PIN_VPP:
counter=1;
if(!VPP){output_buffer[0] = PIN_STATE_12V;break;}
if(VPP_RST){output_buffer[0] = PIN_STATE_0V;break;}
if(VPP_RUN){output_buffer[0] = PIN_STATE_5V;break;}
output_buffer[0] = PIN_STATE_FLOAT;
break;
case SUBCMD_PIN_VPP_VOLTAGE:
ReadAdc(output_buffer);
counter=2;
break;
default:
output_buffer[0]=3;
counter=1;
break;
}
break;
case CMD_SET_PIN_STATUS:
switch(input_buffer[1])
{
case SUBCMD_PIN_PGC:
switch(input_buffer[2])
{
case PIN_STATE_0V:
TRISPGC = 0;
PGC = 0;
TRISPGC_LOW = 1;
PGC_LOW = 0;
output_buffer[0]=1;//ok
break;
case PIN_STATE_3_3V:
TRISPGC = 0;
PGC = 1;
TRISPGC_LOW = 0;
PGC_LOW = 0;
output_buffer[0]=1;//ok
break;
case PIN_STATE_5V:
TRISPGC = 0;
PGC = 1;
TRISPGC_LOW = 1;
PGC_LOW = 0;
output_buffer[0]=1;//ok
break;
default:
output_buffer[0]=3;
break;
}
break;
case SUBCMD_PIN_PGD:
switch(input_buffer[2])
{
case PIN_STATE_0V:
TRISPGD = 0;
PGD = 0;
TRISPGD_LOW = 1;
PGD_LOW = 0;
output_buffer[0]=1;//ok
break;
case PIN_STATE_3_3V:
TRISPGD = 0;
PGD = 1;
TRISPGD_LOW = 0;
PGD_LOW = 0;
output_buffer[0]=1;//ok
break;
case PIN_STATE_5V:
TRISPGD = 0;
PGD = 1;
TRISPGD_LOW = 1;
PGD_LOW = 0;
output_buffer[0]=1;//ok
break;
case PIN_STATE_INPUT:
TRISPGD_LOW = 1;
TRISPGD = 1;
output_buffer[0]=1;//ok
break;
default:
output_buffer[0]=3;
break;
}
break;
case SUBCMD_PIN_VDD:
switch(input_buffer[2])
{
case PIN_STATE_5V:
//VDD = 0;
output_buffer[0]=1;
break;
case PIN_STATE_FLOAT:
//VDD = 1;
output_buffer[0]=1;
break;
default:
output_buffer[0]=3;
break;
}
break;
case SUBCMD_PIN_VPP:
switch(input_buffer[2])
{
case PIN_STATE_0V:
VPP = 1;
VPP_RST = 1;
VPP_RUN = 0;
output_buffer[0]=1;//ok
break;
case PIN_STATE_5V:
VPP = 1;
VPP_RST = 0;
VPP_RUN = 1;
output_buffer[0]=1;//ok
break;
case PIN_STATE_12V:
VPP = 0;
VPP_RST = 0;
VPP_RUN = 0;
output_buffer[0]=1;//ok
break;
case PIN_STATE_FLOAT:
VPP = 1;
VPP_RST = 0;
VPP_RUN = 0;
output_buffer[0]=1;//ok
break;
default:
output_buffer[0]=3;
break;
}
break;
default:
output_buffer[0]=3;
}
counter=1;
break;
}
//} //if nBytes>0
if(counter != 0)
{
//if(!mUSBGenTxIsBusy())
//USBGenWrite((byte*)&output_buffer,counter);
for(i=0; i<counter; i++) UART1TX(output_buffer[i]);
counter=0;
}
}//end ProcessIO
void ProcessIO(void)
{
char oldPGDtris;
char PIN;
static byte counter=0;
int nBytes;
unsigned long address;
// When the device is plugged in, the leds give the numbers 1, 2, 3, 4, 5.
//After configured state, the leds are controlled by the next lines in this function
if((usb_device_state < CONFIGURED_STATE)||(UCONbits.SUSPND==1))
{
BlinkUSBStatus();
return;
}
nBytes=USBGenRead((byte*)input_buffer,64);
if(nBytes>0)
{
switch(input_buffer[0])
{
case CMD_ERASE:
setLeds(LEDS_ON | LEDS_WR);
output_buffer[0]=bulk_erase(picfamily,pictype,input_buffer[1]);
counter=1;
setLeds(LEDS_ON);
break;
case CMD_READ_ID:
setLeds(LEDS_ON | LEDS_RD);
switch(picfamily)
{
case PIC24:
case dsPIC30:
read_code(picfamily,pictype,0xFF0000,(unsigned char*)output_buffer,2,3);
break;
case PIC18:
case PIC18J:
case PIC18K:
read_code(picfamily,pictype,0x3FFFFE,(unsigned char*)output_buffer,2,3); //devid is at location 0x3ffffe for PIC18 devices
break;
case PIC16:
set_vdd_vpp(picfamily, pictype, 0);
read_code(picfamily,pictype,0x2006,(unsigned char*)output_buffer,2,3); //devid is at location 0x2006 for PIC16 devices
break;
}
counter=2;
setLeds(LEDS_ON);
break;
case CMD_WRITE_CODE:
setLeds(LEDS_ON | LEDS_WR);
address=((unsigned long)input_buffer[2])<<16|
((unsigned long)input_buffer[3])<<8|
((unsigned long)input_buffer[4]);
output_buffer[0]=write_code(picfamily,pictype,address, (unsigned char*)(input_buffer+6),input_buffer[1],input_buffer[5]);
counter=1;
setLeds(LEDS_ON);
break;
case CMD_READ_CODE:
setLeds(LEDS_ON | LEDS_RD);
address=((unsigned long)input_buffer[2])<<16|
((unsigned long)input_buffer[3])<<8|
((unsigned long)input_buffer[4]);
PIN=read_code(picfamily,pictype,address,(unsigned char*)output_buffer,input_buffer[1],input_buffer[5]);
if(PIN==3)output_buffer[0]=0x3;
counter=input_buffer[1];
setLeds(LEDS_ON);
break;
case CMD_WRITE_DATA:
setLeds(LEDS_ON | LEDS_WR);
address=((unsigned long)input_buffer[2])<<16|
((unsigned long)input_buffer[3])<<8|
((unsigned long)input_buffer[4]);
output_buffer[0]=write_data(picfamily,pictype,address, (unsigned char*)(input_buffer+6),input_buffer[1],input_buffer[5]);
counter=1;
setLeds(LEDS_ON);
break;
case CMD_READ_DATA:
setLeds(LEDS_ON | LEDS_RD);
address=((unsigned long)input_buffer[2])<<16|
((unsigned long)input_buffer[3])<<8|
((unsigned long)input_buffer[4]);
read_data(picfamily,pictype,address,(unsigned char*)output_buffer,input_buffer[1],input_buffer[5]);
counter=input_buffer[1];
setLeds(LEDS_ON);
break;
case CMD_WRITE_CONFIG:
setLeds(LEDS_ON | LEDS_WR);
address=((unsigned long)input_buffer[2])<<16|
((unsigned long)input_buffer[3])<<8|
((unsigned long)input_buffer[4]);
output_buffer[0]=write_config_bits(picfamily, pictype, address, (unsigned char*)(input_buffer+6),input_buffer[1],input_buffer[5]);
counter=1;
setLeds(LEDS_ON);
break;
case CMD_SET_PICTYPE:
output_buffer[0]=set_pictype(input_buffer+1);
//output_buffer[0]=1; //Ok
counter=1;
setLeds(LEDS_ON);
break;
case CMD_FIRMWARE_VERSION:
strcpypgm2ram((char*)output_buffer,(const far rom char*)upp_version);
counter=18;
setLeds(LEDS_ON);
break;
case CMD_DEBUG:
setLeds(LEDS_ON | LEDS_WR | LEDS_RD);
switch(input_buffer[1])
{
case 0:
set_vdd_vpp(dsP30F, dsPIC30, 1);
output_buffer[0]=1;
counter=1;
break;
case 1:
set_vdd_vpp(dsP30F, dsPIC30, 0);
output_buffer[0]=1;
counter=1;
break;
case 2:
dspic_send_24_bits(((unsigned long)input_buffer[2])|
((unsigned long)input_buffer[3])<<8|
((unsigned long)input_buffer[4])<<16);
output_buffer[0]=1;
counter=1;
break;
case 3:
nBytes = dspic_read_16_bits(1);
output_buffer[0]=(unsigned char)nBytes;
output_buffer[1]=(unsigned char)(nBytes>>8);
counter=2;
break;
}
break;
case CMD_GET_PIN_STATUS:
switch(input_buffer[1])
{
case SUBCMD_PIN_PGC:
if((!TRISPGC_LOW)&&(!PGC_LOW)) //3.3V levels
{
if(PGC) output_buffer[0] = PIN_STATE_3_3V;
else output_buffer[0] = PIN_STATE_0V;
}
else //5V levels
{
if(PGC) output_buffer[0] = PIN_STATE_5V;
else output_buffer[0] = PIN_STATE_0V;
}
counter=1;
break;
case SUBCMD_PIN_PGD:
if(TRISPGD)//PGD is input
{
if(PGD_READ) output_buffer[0] = PIN_STATE_5V;
else output_buffer[0] = PIN_STATE_0V;
}
else
{
if((!TRISPGD_LOW)&&(!PGD_LOW)) //3.3V levels
{
if(PGD) output_buffer[0] = PIN_STATE_3_3V;
else output_buffer[0] = PIN_STATE_0V;
}
else //5V levels
{
if(PGD) output_buffer[0] = PIN_STATE_5V;
else output_buffer[0] = PIN_STATE_0V;
}
}
counter=1;
break;
case SUBCMD_PIN_VDD:
if(VDD) output_buffer[0] = PIN_STATE_FLOAT;
else output_buffer[0] = PIN_STATE_5V;
counter = 1;
break;
case SUBCMD_PIN_VPP:
counter=1;
if(!VPP){output_buffer[0] = PIN_STATE_12V;break;}
if(VPP_RST){output_buffer[0] = PIN_STATE_0V;break;}
if(VPP_RUN){output_buffer[0] = PIN_STATE_5V;break;}
output_buffer[0] = PIN_STATE_FLOAT;
break;
case SUBCMD_PIN_VPP_VOLTAGE:
ReadAdc(output_buffer);
counter=2;
break;
default:
output_buffer[0]=3;
counter=1;
break;
}
break;
case CMD_SET_PIN_STATUS:
switch(input_buffer[1])
{
case SUBCMD_PIN_PGC:
switch(input_buffer[2])
{
case PIN_STATE_0V:
TRISPGC = 0;
PGC = 0;
TRISPGC_LOW = 1;
PGC_LOW = 0;
output_buffer[0]=1;//ok
break;
case PIN_STATE_3_3V:
TRISPGC = 0;
PGC = 1;
TRISPGC_LOW = 0;
PGC_LOW = 0;
output_buffer[0]=1;//ok
break;
case PIN_STATE_5V:
TRISPGC = 0;
PGC = 1;
TRISPGC_LOW = 1;
PGC_LOW = 0;
output_buffer[0]=1;//ok
break;
default:
output_buffer[0]=3;
break;
}
break;
case SUBCMD_PIN_PGD:
switch(input_buffer[2])
{
case PIN_STATE_0V:
TRISPGD = 0;
PGD = 0;
TRISPGD_LOW = 1;
PGD_LOW = 0;
output_buffer[0]=1;//ok
break;
case PIN_STATE_3_3V:
TRISPGD = 0;
PGD = 1;
TRISPGD_LOW = 0;
PGD_LOW = 0;
output_buffer[0]=1;//ok
break;
case PIN_STATE_5V:
TRISPGD = 0;
PGD = 1;
TRISPGD_LOW = 1;
PGD_LOW = 0;
output_buffer[0]=1;//ok
break;
case PIN_STATE_INPUT:
TRISPGD_LOW = 1;
TRISPGD = 1;
output_buffer[0]=1;//ok
break;
default:
output_buffer[0]=3;
break;
}
break;
case SUBCMD_PIN_VDD:
switch(input_buffer[2])
{
case PIN_STATE_5V:
VDD = 0;
output_buffer[0]=1;
break;
case PIN_STATE_FLOAT:
VDD = 1;
output_buffer[0]=1;
break;
default:
output_buffer[0]=3;
break;
}
break;
case SUBCMD_PIN_VPP:
switch(input_buffer[2])
{
case PIN_STATE_0V:
VPP = 1;
VPP_RST = 1;
VPP_RUN = 0;
output_buffer[0]=1;//ok
break;
case PIN_STATE_5V:
VPP = 1;
VPP_RST = 0;
VPP_RUN = 1;
output_buffer[0]=1;//ok
break;
case PIN_STATE_12V:
VPP = 0;
VPP_RST = 0;
VPP_RUN = 0;
output_buffer[0]=1;//ok
break;
case PIN_STATE_FLOAT:
VPP = 1;
VPP_RST = 0;
VPP_RUN = 0;
output_buffer[0]=1;//ok
break;
default:
output_buffer[0]=3;
break;
}
break;
default:
output_buffer[0]=3;
}
counter=1;
break;
}
}
if(counter != 0)
{
if(!mUSBGenTxIsBusy())
USBGenWrite((byte*)&output_buffer,counter);
counter=0;
}
}//end ProcessIO
