From b590f5a801e800a16119a35ef1108c7f37c60f80 Mon Sep 17 00:00:00 2001
From: Gijs Schoonderbeek <schoonderbeek@astron.nl>
Date: Thu, 7 Jan 2021 17:09:43 +0100
Subject: [PATCH] Update after test op HW
---
I2C_serial_pi.py | 18 +++++++++++-------
1 file changed, 11 insertions(+), 7 deletions(-)
diff --git a/I2C_serial_pi.py b/I2C_serial_pi.py
index d928b77..422b646 100644
--- a/I2C_serial_pi.py
+++ b/I2C_serial_pi.py
@@ -22,19 +22,20 @@ import smbus
import sys
from time import *
-DEBUG=False
+DEBUG = True
+
class I2C:
- def __init__(self, ADDRESS='040'):
+ def __init__(self, ADDRESS='040',BUSNR=3):
self.I2C_Address = ADDRESS
- self.BUS_NR = 1
- bus = smbus.SMBus(self.BUS_NR)
-
+ self.bus_nr = BUSNR
def read_bytes(self, register, bytes_to_read=2):
+ bus = smbus.SMBus(self.bus_nr)
try:
- ret_value = bus.read_i2c_block_data(self.I2C_Address, register, bytes_to_read)
+ rd_value = bus.read_i2c_block_data(self.I2C_Address, register, bytes_to_read)
+ ret_value = hex(rd_value[0])[2:]
ret_ack = 1
except IOError, err:
ret_ack = 0
@@ -45,6 +46,7 @@ class I2C:
def read_last_reg(self, bytes_to_read):
+ bus = smbus.SMBus(self.bus_nr)
ret_value=[]
for cnt in bytes_to_read:
try:
@@ -58,8 +60,9 @@ class I2C:
return ret_ack,ret_value
def write_bytes(self, register, data):
+ bus = smbus.SMBus(self.bus_nr)
try:
- bus.write_i2c_block_data(self.I2C_Address, register, data)
+ bus.write_i2c_block_data(self.I2C_Address, register, [data])
ret_ack = 1
except IOError, err:
ret_ack = 0
@@ -69,6 +72,7 @@ class I2C:
return ret_ack
def write_pointer(self, register):
+ bus = smbus.SMBus(self.bus_nr)
try:
ret_value = bus.read_i2c_block_data(self.I2C_Address, register, 1)
ret_ack = 1
--
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