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 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_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_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_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 ShowImage(self, pBuf):
for page in range(0,8):
# set page address #
self.command(0xB0 + page);
# set low column address #
self.command(0x02);
# set high column address #
self.command(0x10);
# write data #
time.sleep(0.01)
if(self.Device == Device_SPI):
GPIO.output(self._dc, GPIO.HIGH);
for i in range(0,self.width):#for(int i=0;i<self.width; i++)
if(self.Device == Device_SPI):
config.spi_writebyte([~pBuf[i+self.width*page]]);
else :
config.i2c_writebyte(0x40, ~pBuf[i+self.width*page])
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 ADS1256_WriteReg(self, reg, data):
config.digital_write(self.cs_pin, GPIO.LOW) # cs 0
config.spi_writebyte([CMD["CMD_WREG"] | reg, 0x00, data])
config.digital_write(self.cs_pin, GPIO.HIGH) # cs 1
def ADS1256_WriteCmd(self, reg):
config.digital_write(self.cs_pin, GPIO.LOW) # cs 0
config.spi_writebyte([reg])
config.digital_write(self.cs_pin, GPIO.HIGH) # cs 1
def command(self, cmd):
if(self.Device == Device_SPI):
GPIO.output(self._dc, GPIO.LOW)
config.spi_writebyte([cmd])
else:
config.i2c_writebyte(0x00, cmd)
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
def LCD_WriteData_NLen16Bit(self, Data, DataLen):
GPIO.output(config.DC_PIN, GPIO.HIGH)
for i in range(0, DataLen):
config.spi_writebyte([Data >> 8])
config.spi_writebyte([Data & 0xff])
def LCD_WriteData_8bit(self, Data):
GPIO.output(config.DC_PIN, GPIO.HIGH)
config.spi_writebyte([Data])
def LCD_WriteReg(self, Reg):
GPIO.output(config.DC_PIN, GPIO.LOW)
config.spi_writebyte([Reg])
def DAC8532_Write_Data(self, Channel, Data):
config.digital_write(self.cs_pin, GPIO.LOW) #cs 0
config.spi_writebyte([Channel, Data >> 8, Data & 0xff])
config.digital_write(self.cs_pin, GPIO.HIGH) #cs 0
def ADS1256_SendData(self, data):
config.spi_writebyte([data])
