def ADS1263_GetAll_ADC2(self):
ADC_Value = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
for i in range(0, 10, 1):
ADC_Value[i] = self.ADS1263_GetChannalValue_ADC2(i)
self.ADS1263_WriteCmd(ADS1263_CMD['CMD_STOP2'])
config.delay_ms(20)
print("--- Read ADC2 value success ---")
return ADC_Value
def ADS1256_GetVibrate(self, channel):
while (config.digital_read(self.drdy_pin) == 1):
pass
self.ADS1256_SetDiffChannal(channel)
self.ADS1256_WriteCmd(CMD['CMD_SYNC'])
config.delay_ms(10)
self.ADS1256_WriteCmd(CMD['CMD_WAKEUP'])
config.delay_ms(10)
Value = self.ADS1256_Read_ADC_Data()
return Value
def ADS1256_Read_ADC_Data(self):
config.digital_write(self.cs_pin, GPIO.LOW)#cs 0
config.spi_writebyte([CMD['CMD_RDATA']])
config.delay_ms(10)
buf = config.spi_readbytes(3)
config.digital_write(self.cs_pin, GPIO.HIGH)#cs 1
read = (buf[0]<<16) & 0xff0000
read |= (buf[1]<<8) & 0xff00
read |= (buf[2]) & 0xff
if (read & 0x800000):
read |= 0xFF000000
return read
def ADS1256_ReadReg(self, _RegID):
'''Read the corresponding register'''
config.digital_write(self.cs_pin, GPIO.LOW)
self.ADS1256_SendData(CMD['CMD_RREG'] | _RegID)
self.ADS1256_SendData(0x00)
config.delay_ms(1)
read_data = config.spi_readbytes(0xff)
config.digital_write(self.cs_pin, GPIO.HIGH)
return read_data[0]
def ADS1256_GetAll(self):
print(" ADS1256_GetAll")
adc = [0, 0, 0, 0, 0, 0, 0, 0] # -1.0
volt = [0, 0, 0, 0, 0, 0, 0, 0] # -2.0
while True:
if (self.ADS1256_Scan() == 1):
for i in range(0, 8):
adc[i] = self.ADS1256_GetAdc(i)
volt[i] = (adc[i] * 100) / 167 / 100000.0
print("i = ", i, "adc= ", adc[i], "volt = ", volt[i])
else:
print("NO scan performed!")
config.delay_ms(100)
def ADS1256_GetChannalValue(self, Channel):
while(config.digital_read(self.drdy_pin) == 1):
pass
if(ScanMode == 0):# 0 Single-ended input 8 channel1 Differential input 4 channe
if(Channel>=8):
return 0
elif(Channel == 7):
Channel = 0
else :
Channel = Channel + 1
self.ADS1256_SetChannal(Channel)
self.ADS1256_WriteCmd(CMD['CMD_SYNC'])
config.delay_ms(10)
self.ADS1256_WriteCmd(CMD['CMD_WAKEUP'])
config.delay_ms(10)
Value = self.ADS1256_Read_ADC_Data()
else:
if(Channel>=4):
return 0
self.ADS1256_SetDiffChannal(Channel)
self.ADS1256_WriteCmd(CMD['CMD_SYNC'])
config.delay_ms(10)
self.ADS1256_WriteCmd(CMD['CMD_WAKEUP'])
config.delay_ms(10)
Value = self.ADS1256_Read_ADC_Data()
return Value
def ADS1256_ConfigADC(self, gain, drate):
self.ADS1256_WaitDRDY()
buf = [0,0,0,0,0,0,0,0]
buf[0] = (0<<3) | (1<<2) | (0<<1)
buf[1] = 0x08
buf[2] = (0<<5) | (0<<3) | (gain<<0)
buf[3] = drate
config.digital_write(self.cs_pin, GPIO.LOW)#cs 0
config.spi_writebyte([CMD['CMD_WREG'] | 0, 0x03])
config.spi_writebyte(buf)
config.digital_write(self.cs_pin, GPIO.HIGH)#cs 1
config.delay_ms(1)
def ADS1256_GetoneChannel(self, Channel):
print(" ADS1256_GetAll")
adc = [0, 0, 0, 0, 0, 0, 0, 0] # -1.0
volt = [0, 0, 0, 0, 0, 0, 0, 0] # -2.0
while True:
if (self.ADS1256_Scan() == 1):
adc[Channel] = self.ADS1256_GetAdc(Channel)
volt[Channel] = (adc[Channel] * 100) / 167 / 100000.0
# print("i = ", Channel, "adc= ", adc[Channel], "volt = ", volt[Channel])
return adc[Channel]
else:
# print("NO scan performed!")
pass
config.delay_ms(100)
def ADS1263_Read_ADC2_Data(self):
read = 0
config.digital_write(self.cs_pin, GPIO.LOW) #cs 0
while (1):
config.spi_writebyte([ADS1263_CMD['CMD_RDATA2']])
config.delay_ms(10)
if (config.spi_readbytes(1)[0] & 0x80 != 0):
break
buf = config.spi_readbytes(5)
config.digital_write(self.cs_pin, GPIO.HIGH) #cs 1
read |= (buf[0] << 16) & 0xff0000
read |= (buf[1] << 8) & 0xff00
read |= (buf[2]) & 0xff
CRC = buf[4]
if (self.ADS1263_CheckSum(read, CRC) != 0):
print("ADC2 data read error!")
return read
def ADS1256_ConfigADC(
self,
gain=ADS1256_GAIN_E.get("ADS1256_GAIN_1"),
drate=ADS1256_DRATE_E.get("ADS1256_30000SPS"),
):
self.ADS1256_WaitDRDY()
buf = [0, 0, 0, 0, 0, 0, 0, 0]
buf[0] = (0 << 3) | (1 << 2) | (0 << 1)
buf[1] = 0x08
buf[2] = (0 << 5) | (0 << 3) | (gain << 0)
buf[3] = drate
config.digital_write(self.cs_pin, GPIO.LOW) # cs 0
config.spi_writebyte([CMD["CMD_WREG"] | 0, 0x03])
config.spi_writebyte(buf)
config.digital_write(self.cs_pin, GPIO.HIGH) # cs 1
config.delay_ms(1)
return 0
def ADS1263_reset(self):
config.digital_write(self.rst_pin, GPIO.HIGH)
config.delay_ms(200)
config.digital_write(self.rst_pin, GPIO.LOW)
config.delay_ms(200)
config.digital_write(self.rst_pin, GPIO.HIGH)
config.delay_ms(200)
def ADS1263_GetChannalValue_ADC2(self, Channel):
if (
ScanMode == 0
): # 0 Single-ended input 8 channel1 Differential input 4 channe
if (Channel > 10):
return 0
self.ADS1263_SetChannal_ADC2(Channel)
config.delay_ms(2)
self.ADS1263_WriteCmd(ADS1263_CMD['CMD_START2'])
config.delay_ms(2)
Value = self.ADS1263_Read_ADC2_Data()
else:
if (Channel > 4):
return 0
self.ADS1263_SetDiffChannal_ADC2(Channel)
config.delay_ms(2)
self.ADS1263_WriteCmd(ADS1263_CMD['CMD_START2'])
config.delay_ms(2)
Value = self.ADS1263_Read_AD2C_Data()
return Value
def ADS1263_RTD_Test(self):
Delay = ADS1263_DELAY['ADS1263_DELAY_8d8ms']
Gain = ADS1263_GAIN['ADS1263_GAIN_1']
Drate = ADS1263_DRATE['ADS1263_20SPS']
#MODE0 (CHOP OFF)
MODE0 = Delay
self.ADS1263_WriteReg(ADS1263_REG['REG_MODE0'], MODE0)
config.delay_ms(1)
#(IDACMUX) IDAC2 AINCOM,IDAC1 AIN3
IDACMUX = (0x0a << 4) | 0x03
self.ADS1263_WriteReg(ADS1263_REG['REG_IDACMUX'], IDACMUX)
config.delay_ms(1)
#((IDACMAG)) IDAC2 = IDAC1 = 250uA
IDACMAG = (0x03 << 4) | 0x03
self.ADS1263_WriteReg(ADS1263_REG['REG_IDACMAG'], IDACMAG)
config.delay_ms(1)
MODE2 = (Gain << 4) | Drate
self.ADS1263_WriteReg(ADS1263_REG['REG_MODE2'], MODE2)
config.delay_ms(1)
#INPMUX (AINP = AIN7, AINN = AIN6)
INPMUX = (0x07 << 4) | 0x06
self.ADS1263_WriteReg(ADS1263_REG['REG_INPMUX'], INPMUX)
config.delay_ms(1)
# REFMUX AIN4 AIN5
REFMUX = (0x03 << 3) | 0x03
self.ADS1263_WriteReg(ADS1263_REG['REG_REFMUX'], REFMUX)
config.delay_ms(1)
#Read one conversion
self.ADS1263_WriteCmd(ADS1263_CMD['CMD_START1'])
config.delay_ms(10)
self.ADS1263_WaitDRDY()
Value = self.ADS1263_Read_ADC_Data()
self.ADS1263_WriteCmd(ADS1263_CMD['CMD_STOP1'])
return Value
