def ADS1256_Read_ADC_Data(self):
self.ADS1256_WaitDRDY()
config.digital_write(self.cs_pin, GPIO.LOW)#cs 0
config.spi_writebyte([CMD['CMD_RDATA']])
buf = [0,0,0]
buf[0] = config.spi_readbytes(0xff)
buf[1] = config.spi_readbytes(0xff)
buf[2] = config.spi_readbytes(0xff)
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 &= 0xF000000
return read
def ADS1256_Read_data(self, reg):
config.digital_write(self.cs_pin, GPIO.LOW) # cs 0
config.spi_writebyte([CMD["CMD_RREG"] | reg, 0x00])
data = config.spi_readbytes(1)
config.digital_write(self.cs_pin, GPIO.HIGH) # cs 1
return data
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_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_Read_ADC_Data(self):
self.ADS1256_WaitDRDY()
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 &= 0xF000000
return read
def ADS1256_ReadData(self):
read_data = 0
config.digital_write(self.cs_pin, GPIO.LOW)
self.ADS1256_SendData(CMD['CMD_RDATA'])
self.ADS1256_DelayUs(10)
buf = config.spi_readbytes(0xff)
# print(buf
config.digital_write(self.cs_pin, GPIO.HIGH)
read_data = buf[0] << 16
read_data |= buf[1] << 8
read_data |= buf[0]
if (read_data & 0x800000):
read_data |= 0xFF000000
return read_data
def ADS1263_ReadData(self, reg):
config.digital_write(self.cs_pin, GPIO.LOW) #cs 0
config.spi_writebyte([ADS1263_CMD['CMD_RREG'] | reg, 0x00])
data = config.spi_readbytes(1)
config.digital_write(self.cs_pin, GPIO.HIGH) #cs 1
return data
