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driver spb16ch: corretto sistema di attivazione schede

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This commit is contained in:
lejubila
2017-09-19 22:24:38 +02:00
parent 4b690b4b7f
commit 10aed48887
3 changed files with 50 additions and 7 deletions
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8
drv/spb16ch/init.include.sh
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@@ -59,7 +59,7 @@ function drv_spb16ch_init {
echo "******** Number used board: $board_id - inizializzazione gpio $gpio_n"
$GPIO -g mode $gpio_n out
done
drv_spb16ch_board_disable_all
#drv_spb16ch_board_disable_all
# Esegue l'inizializzazione delle schede spb16ch trovate
local address_num=""
@@ -68,14 +68,16 @@ function drv_spb16ch_init {
do
address_num=${address_used[$i]}
board_num=${SPB16CH_USED_ID[$i]}
drv_spb16ch_board_enable $board_num
drv_spb16ch_board_enable $board_num # Porto alto il reset della scheda e lo mantengo sempre alto
echo "****** Inizializzazione address_num = $address_num - board_num = $board_num *******"
$DIR_SCRIPT/drv/spb16ch/scripts/mux_channel.py $address_num 0
$DIR_SCRIPT/drv/spb16ch/scripts/gpo_init.py 25 255 0
$DIR_SCRIPT/drv/spb16ch/scripts/mux_channel.py $address_num 1
$DIR_SCRIPT/drv/spb16ch/scripts/gpo_init.py 25 255 0
$DIR_SCRIPT/drv/spb16ch/scripts/mux_channel.py $address_num 0
drv_spb16ch_board_disable $board_id
# Disabilito il mux
$DIR_SCRIPT/drv/spb16ch/scripts/mux_disable.py $address_num
#drv_spb16ch_board_disable $board_id
done
}

12
drv/spb16ch/rele.include.sh
View File

@@ -27,7 +27,7 @@ function drv_spb16ch_rele_open {
local rele_num=${rele_data:5:3}
local board_id=${rele_data:9:1}
drv_spb16ch_board_enable $board_id
#drv_spb16ch_board_enable $board_id
echo address_num=$address_num
echo channel_num=$channel_num
@@ -35,7 +35,9 @@ function drv_spb16ch_rele_open {
$DIR_SCRIPT/drv/spb16ch/scripts/mux_channel.py $address_num $channel_num
$DIR_SCRIPT/drv/spb16ch/scripts/gpo_init.py $address_num $rele_num 0
drv_spb16ch_board_disable $board_id
# Disabilito il mux
$DIR_SCRIPT/drv/spb16ch/scripts/mux_disable.py $address_num
#drv_spb16ch_board_disable $board_id
}
@@ -58,7 +60,7 @@ function drv_spb16ch_rele_close {
local rele_num=${rele_data:5:3}
local board_id=${rele_data:9:1}
drv_spb16ch_board_enable $board_id
#drv_spb16ch_board_enable $board_id
echo address_num=$address_num
echo channel_num=$channel_num
@@ -66,7 +68,9 @@ function drv_spb16ch_rele_close {
$DIR_SCRIPT/drv/spb16ch/scripts/mux_channel.py $address_num $channel_num
$DIR_SCRIPT/drv/spb16ch/scripts/gpo_init.py $address_num $rele_num 1
drv_spb16ch_board_disable $board_id
# Disabilito il mux
$DIR_SCRIPT/drv/spb16ch/scripts/mux_disable.py $address_num
#drv_spb16ch_board_disable $board_id
}

37
drv/spb16ch/scripts/mux_disable.py Executable file
View File

@@ -0,0 +1,37 @@
#!/usr/bin/python
# coding=utf-8
# Disable PCA9547 I2C multiplexer
# I2C Address: 0xYY, where YY can be 70 through 77
# sudo ./mux_channel.py ADDRESS CHANNEL
# Example: sudo ./mux_disable.py 70
import time
import argparse
import RPi.GPIO as GPIO
import smbus
def I2C_setup(multiplexer_i2c_address):
I2C_address = 0x70 + multiplexer_i2c_address % 10
if GPIO.RPI_REVISION in [2, 3]:
I2C_bus_number = 1
else:
I2C_bus_number = 0
bus = smbus.SMBus(I2C_bus_number)
i2c_channel_setup=0x00
#i2c_channel_setup=i2c_channel_setup + 0x08
bus.write_byte(I2C_address, i2c_channel_setup)
#time.sleep(0.1)
def menu():
parser = argparse.ArgumentParser(description='Select Address of Disable PCA9547 Multiplexer')
parser.add_argument('address', type=int)
args = parser.parse_args()
I2C_setup(args.address)
if __name__ == "__main__":
menu()