Common board communication protocol (hw:serial port)

baudrate : 115200 bps 8,1,None command & feedback end with “\r\n”

Board summy

status	board name	*slaver address range: 0-255	eg.	remark	standard
	Herring board	2	2,get_volt,1\r\n
	USB DAQ-S1 board	5	5,get_volt,1\r\n
	Voltage balance	-	cell1\r\n

* standard board rules Format:slaver_address(addr) + ‘,’ + cmd (end with “\r\n”)

---

Herring board

• slaver_address: ‘2’

index	cmd	para	return	eg.	description
01	get_curr	ch	0.0123	get_curr,[ch]	get [ch] csa chip current
02	get_volt	ch	12.345678	get_volt,[ch]	get [ch] csa chip voltage
03	get_pwr	ch	2.345678	TBD	TBD
04	set_ovp	ch,volt	null	set_ovp,[ch],[volt]	set [ch] ovp voltage as [volt]
05	read_ovp	ch	1.2345	read_ovp,[ch]	read [ch] ovp voltage
06	set_curr_rate	ch,rate	null	set_curr_rate,[ch],[rate]	set [ch] csa rate as [rate]
07	set_curr_range	ch,range	null	set_curr_range,[ch],[range]	set [ch] csa rate as [range]
08	cat_io_set	io,state	null	cat_io_set,[ch],[state]	set [io] as [state]
09	cat_io_read	io	state	cat_io_read,[io]	read [io] state
99	*idn?	-	-	read back version

USB DAQ-S1 board

• slaver_address: ‘5’

index	cmd	para	return	eg.	description
01	get_volt	ch	[pass],volt	get_volt,[ch]	get [ch] voltage ch 1:AI1 2:AI2 3:AI3 4:AI4 5:reserve 6:reserve 7:reserve 8:AO1 9:AO2
02	set_volt	ch,volt	[pass]	set_volt,[ch],[volt]	set dac [ch] chip volt ch 1:reserve 2:reserve 3:reserve 4:reserve 5:reserve 6:reserve 7:reserve 8:AO1 9:AO2
03	relay_get	relay	[pass],state	relay_get,[relay]	get [relay] [state] relay 1:Rp1&Rn1 2:Rp2&Rn2 3:Rp3&Rn3 4:Rp4&Rn4 5:Rp&Rn
04	relay_set	relay,state	[pass]	relay_set,[relay],[state]	set [relay] as [state]…
05	di_get	di	[pass],state	di_get,[di]	get [di] state di 1:DI_ISO1 2:DI_ISO2 3:DI_ISO3 4:DI_ISO4
06	dio_get	io	[pass],state	dio_get,[io]	get [io] state io 1:DIO1 2:DIO2 3:DIO3 x:DIOx 8:DIO8
07	dio_set	io,state	[pass]	dio_set,[io],[state]	set [io] as [state]…
08	dio_cfg	io,mode	[pass]	dio_cfg,[io],[mode]	io mode 0:output pull-push 1:output open drain 2:input 3:input analog 4:input pull-up 5:input pull-down 6:input floating 7:pwm output 8:pwm open-drain 9:comp intput
9	cal_get	ch	[pass],k,b,g	cal_get,[ch]	ch default:g=1.0 b=0.0 0:Vreference 1:AI1 2:AI2 3:AI3 4:AI4 5:reserve 6:reserve 7:reserve 8:AO1 9:AO2
10	cal_set	ch,k,b	[pass]	cal_set,[ch],[k],[b]	ch default:g=1.0 o=0.0 …
99	*idn?	-	version	-	-

Voltage balance board [nonstandard]

index	cmd	return	description
1	cell_close	ok	close all relay
2	cell_now	cellx null	get now relay is cellx, or null
3	cell1	ok	set cell1 ch relay
4	cell2	ok	set cellx ch relay
…	…	ok	set … ch relay
18	cell16	ok	set cell16 ch relay
remark	-	-	1. whole channel only support set a channel 2. others channel will auto close when set a channel 3. out of cmd list cmd_str will not feedback

经典示例