Hi I am configuring the TLV320ADC5140 via I2C and I cannot get the input channels powered up.
I am configruing IN1P and IN2P as two inputs to ADC as line input and signle ended.
I am providing the script I am using to configure, can you please help me find the missing config?
def rawConfigTLVADC(addr):
TLVADC5140 = TLVADC5140Slave(addr)
SLEEP_CFG = 0x02
ASI_CFG0 = 0x07
ASI_CFG1 = 0x08
MST_CFG0 = 0x13
MST_CFG1 = 0x14
# ASI_STS = 0x15
GPIO_CFG0 = 0x21
GPI_CFG0 = 0x2B
GPI_CFG1 = 0x2C
CH1_CFG0 = 0x3C
CH2_CFG0 = 0x41
IN_CH_EN = 0x73
ASI_OUT_CH_EN = 0x74
PWR_CFG = 0x75
TLVADC5140.WritetoTLVADC5140([SLEEP_CFG], 0x81)
sleep(0.001) # 1mS
TLVADC5140.WritetoTLVADC5140([ASI_CFG0], 0x60) # I2S , 24 bit format
sleep(0.002) # 2mS
TLVADC5140.WritetoTLVADC5140([ASI_CFG1], 0x20)
sleep(0.002) # 2mS
TLVADC5140.WritetoTLVADC5140([GPIO_CFG0], 0xA0)
sleep(0.002) # 2mS
TLVADC5140.WritetoTLVADC5140([GPI_CFG0], 0x00)
sleep(0.002) # 2mS
TLVADC5140.WritetoTLVADC5140([CH1_CFG0], 0xA0)
sleep(0.002) # 2mS
TLVADC5140.WritetoTLVADC5140([CH2_CFG0], 0xA0)
sleep(0.002) # 2mS
TLVADC5140.WritetoTLVADC5140([IN_CH_EN], 0xC0)
sleep(0.002) # 2mS
TLVADC5140.WritetoTLVADC5140([ASI_OUT_CH_EN], 0xC0)
sleep(0.002) # 2mS
TLVADC5140.WritetoTLVADC5140([PWR_CFG], 0xE0)
sleep(0.002) # 2mS
data1 = TLVADC5140.ReadFromTLVADC5140([0x76])
print("DEV_STS0 = 0x{0:02X} - CH STATUS 0-powered down 1-powered up ".format(data1))
data1 = TLVADC5140.ReadFromTLVADC5140([0x77])
print("DEV_STS1 = 0x{0:02X} - MODE STATUS 0x80 - Sleep mode 0xC0- Active mode channels OFF 0xE0 - Active mode channels ON ".format(data1))
