Hi

We have connected an Accelerometer to the x86 core of C1000 (Quark_se) through SPI interface.
Interrupt line of accelerometer is also connected to the AON_GPIO_3

Now I need to route the SPI connection of x86 to Arc core. Is that possible ?

Any sample code in zephyr I can refer for this activity ?

Best regards
Mahendra

Hi,

You can use IPM API to send data from one core to another.
See include/ipm.h

Your accelerometer implements sensor API I guess? So it can trigger
a callback, which in turn would send the information to the ARC core
through IPM.

For the sensor trigger part, see samples/sensor ones. (bmi160 for instance).
And for ipm: samples/ipm ones.

Tomasz

Zephyr drivers for SPI and GPIO were updated recently to allow ARC to directly access GPIO including AON_GPIO and SPI. You do not need x86 at all.

Please see the updated driver and sample app for BMI160 (top of the free, master).

Thanks
Baohong

From: Mahendravarman Rajarao (RBEI/EAA3) [mailto:Mahendravarman.Rajarao(a)in.bosch.com]
Sent: Tuesday, January 3, 2017 4:24 AM
To: devel(a)lists.zephyrproject.org
Subject: [devel] reg: Routing SPI signals connected from x86 core to the Arc core

Hi

We have connected an Accelerometer to the x86 core of C1000 (Quark_se) through SPI interface.
Interrupt line of accelerometer is also connected to the AON_GPIO_3

Now I need to route the SPI connection of x86 to Arc core. Is that possible ?

Any sample code in zephyr I can refer for this activity ?

Best regards
Mahendra

Sorry. Typo.

Top of the tree.

From: Liu, Baohong [mailto:baohong.liu(a)intel.com]
Sent: Tuesday, January 3, 2017 10:06 AM
To: Mahendravarman Rajarao (RBEI/EAA3) <Mahendravarman.Rajarao(a)in.bosch.com>; devel(a)lists.zephyrproject.org
Subject: [devel] Re: reg: Routing SPI signals connected from x86 core to the Arc core

Zephyr drivers for SPI and GPIO were updated recently to allow ARC to directly access GPIO including AON_GPIO and SPI. You do not need x86 at all.

Please see the updated driver and sample app for BMI160 (top of the free, master).

Thanks
Baohong

From: Mahendravarman Rajarao (RBEI/EAA3) [mailto:Mahendravarman.Rajarao(a)in.bosch.com]
Sent: Tuesday, January 3, 2017 4:24 AM
To: devel(a)lists.zephyrproject.org<mailto:devel(a)lists.zephyrproject.org>
Subject: [devel] reg: Routing SPI signals connected from x86 core to the Arc core

Hi

We have connected an Accelerometer to the x86 core of C1000 (Quark_se) through SPI interface.
Interrupt line of accelerometer is also connected to the AON_GPIO_3

Now I need to route the SPI connection of x86 to Arc core. Is that possible ?

Any sample code in zephyr I can refer for this activity ?

Best regards
Mahendra

OR, the ARC can utilize SPI too and talk to the accelerometer directly.
It just depends upon which CPU you want to OWN which resource.
-Chuck

From: Tomasz Bursztyka [mailto:tomasz.bursztyka(a)linux.intel.com]
Sent: Tuesday, January 03, 2017 5:09 AM
To: devel(a)lists.zephyrproject.org
Subject: [devel] Re: reg: Routing SPI signals connected from x86 core to the Arc core

Hi,

You can use IPM API to send data from one core to another.
See include/ipm.h

Your accelerometer implements sensor API I guess? So it can trigger
a callback, which in turn would send the information to the ARC core
through IPM.

For the sensor trigger part, see samples/sensor ones. (bmi160 for instance).
And for ipm: samples/ipm ones.

Tomasz
Hi

We have connected an Accelerometer to the x86 core of C1000 (Quark_se) through SPI interface.
Interrupt line of accelerometer is also connected to the AON_GPIO_3

Now I need to route the SPI connection of x86 to Arc core. Is that possible ?

Any sample code in zephyr I can refer for this activity ?

Best regards
Mahendra

Hi Both

As you said I have tried to compile directly using arc and its compiling

I thought to route the debug prints through UART over usb.

But I think the current version supports UART over usb only on x86 (quark_se_c1000_devboard) not on arc (quark_se_c1000_ss_devboard)

Because while compiling I am getting error as
"In file included from /home/mahendra/guestshare/mahendra/zephyr-v1.6.0/drivers/usb/device/usb_dc_dw.c:32:0:
/home/mahendra/guestshare/mahendra/zephyr-v1.6.0/drivers/usb/device/usb_dw_registers.h:211:2: error: #error "Unsupported board" #error "Unsupported board"

Best regards
mahendra

From: Chuck Jordan [mailto:Chuck.Jordan(a)synopsys.com]
Sent: Tuesday, January 03, 2017 11:48 PM
To: Tomasz Bursztyka <tomasz.bursztyka(a)linux.intel.com>; devel(a)lists.zephyrproject.org
Subject: [devel] Re: Re: reg: Routing SPI signals connected from x86 core to the Arc core

OR, the ARC can utilize SPI too and talk to the accelerometer directly.
It just depends upon which CPU you want to OWN which resource.
-Chuck

From: Tomasz Bursztyka [mailto:tomasz.bursztyka(a)linux.intel.com]
Sent: Tuesday, January 03, 2017 5:09 AM
To: devel(a)lists.zephyrproject.org<mailto:devel(a)lists.zephyrproject.org>
Subject: [devel] Re: reg: Routing SPI signals connected from x86 core to the Arc core

Hi,

You can use IPM API to send data from one core to another.
See include/ipm.h

Your accelerometer implements sensor API I guess? So it can trigger
a callback, which in turn would send the information to the ARC core
through IPM.

For the sensor trigger part, see samples/sensor ones. (bmi160 for instance).
And for ipm: samples/ipm ones.

Tomasz
Hi

We have connected an Accelerometer to the x86 core of C1000 (Quark_se) through SPI interface.
Interrupt line of accelerometer is also connected to the AON_GPIO_3

Now I need to route the SPI connection of x86 to Arc core. Is that possible ?

Any sample code in zephyr I can refer for this activity ?

Best regards
Mahendra

But I think the current version supports UART over usb only on x86 (quark_se_c1000_devboard) not on arc (quark_se_c1000_ss_devboard)

Right, USB device functionality in general is supported only on the x86 side of C1000, consequently USB UART is only available there and not on the ARC side.

Thanks

From: Mahendravarman Rajarao (RBEI/EAA3) [mailto:Mahendravarman.Rajarao(a)in.bosch.com]
Sent: Tuesday, January 3, 2017 10:09 PM
To: Chuck Jordan <Chuck.Jordan(a)synopsys.com>; Tomasz Bursztyka <tomasz.bursztyka(a)linux.intel.com>; devel(a)lists.zephyrproject.org
Subject: [devel] Re: Re: Re: reg: Routing SPI signals connected from x86 core to the Arc core

Hi Both

As you said I have tried to compile directly using arc and its compiling

I thought to route the debug prints through UART over usb.

But I think the current version supports UART over usb only on x86 (quark_se_c1000_devboard) not on arc (quark_se_c1000_ss_devboard)

Because while compiling I am getting error as
"In file included from /home/mahendra/guestshare/mahendra/zephyr-v1.6.0/drivers/usb/device/usb_dc_dw.c:32:0:
/home/mahendra/guestshare/mahendra/zephyr-v1.6.0/drivers/usb/device/usb_dw_registers.h:211:2: error: #error "Unsupported board" #error "Unsupported board"

Best regards
mahendra
From: Chuck Jordan [mailto:Chuck.Jordan(a)synopsys.com]
Sent: Tuesday, January 03, 2017 11:48 PM
To: Tomasz Bursztyka <tomasz.bursztyka(a)linux.intel.com<mailto:tomasz.bursztyka(a)linux.intel.com>>; devel(a)lists.zephyrproject.org<mailto:devel(a)lists.zephyrproject.org>
Subject: [devel] Re: Re: reg: Routing SPI signals connected from x86 core to the Arc core

OR, the ARC can utilize SPI too and talk to the accelerometer directly.
It just depends upon which CPU you want to OWN which resource.
-Chuck

From: Tomasz Bursztyka [mailto:tomasz.bursztyka(a)linux.intel.com]
Sent: Tuesday, January 03, 2017 5:09 AM
To: devel(a)lists.zephyrproject.org<mailto:devel(a)lists.zephyrproject.org>
Subject: [devel] Re: reg: Routing SPI signals connected from x86 core to the Arc core

Hi,

You can use IPM API to send data from one core to another.
See include/ipm.h

Your accelerometer implements sensor API I guess? So it can trigger
a callback, which in turn would send the information to the ARC core
through IPM.

For the sensor trigger part, see samples/sensor ones. (bmi160 for instance).
And for ipm: samples/ipm ones.

Tomasz
Hi

We have connected an Accelerometer to the x86 core of C1000 (Quark_se) through SPI interface.
Interrupt line of accelerometer is also connected to the AON_GPIO_3

Now I need to route the SPI connection of x86 to Arc core. Is that possible ?

Any sample code in zephyr I can refer for this activity ?

Best regards
Mahendra

If your purpose is to see the message prints, you do not need the USB stuff. Message printing on arc will be routed to the same uart port as x86. No extra thing is needed. I strongly suggest you to look at the sample app for BMI160.

Thanks
Baohong

From: Mahendravarman Rajarao (RBEI/EAA3) [mailto:Mahendravarman.Rajarao(a)in.bosch.com]
Sent: Tuesday, January 3, 2017 10:09 PM
To: Chuck Jordan <Chuck.Jordan(a)synopsys.com>; Tomasz Bursztyka <tomasz.bursztyka(a)linux.intel.com>; devel(a)lists.zephyrproject.org
Subject: [devel] Re: Re: Re: reg: Routing SPI signals connected from x86 core to the Arc core

Hi Both

As you said I have tried to compile directly using arc and its compiling

I thought to route the debug prints through UART over usb.

But I think the current version supports UART over usb only on x86 (quark_se_c1000_devboard) not on arc (quark_se_c1000_ss_devboard)

Because while compiling I am getting error as
"In file included from /home/mahendra/guestshare/mahendra/zephyr-v1.6.0/drivers/usb/device/usb_dc_dw.c:32:0:
/home/mahendra/guestshare/mahendra/zephyr-v1.6.0/drivers/usb/device/usb_dw_registers.h:211:2: error: #error "Unsupported board" #error "Unsupported board"

Best regards
mahendra
From: Chuck Jordan [mailto:Chuck.Jordan(a)synopsys.com]
Sent: Tuesday, January 03, 2017 11:48 PM
To: Tomasz Bursztyka <tomasz.bursztyka(a)linux.intel.com<mailto:tomasz.bursztyka(a)linux.intel.com>>; devel(a)lists.zephyrproject.org<mailto:devel(a)lists.zephyrproject.org>
Subject: [devel] Re: Re: reg: Routing SPI signals connected from x86 core to the Arc core

OR, the ARC can utilize SPI too and talk to the accelerometer directly.
It just depends upon which CPU you want to OWN which resource.
-Chuck

From: Tomasz Bursztyka [mailto:tomasz.bursztyka(a)linux.intel.com]
Sent: Tuesday, January 03, 2017 5:09 AM
To: devel(a)lists.zephyrproject.org<mailto:devel(a)lists.zephyrproject.org>
Subject: [devel] Re: reg: Routing SPI signals connected from x86 core to the Arc core

Hi,

You can use IPM API to send data from one core to another.
See include/ipm.h

Your accelerometer implements sensor API I guess? So it can trigger
a callback, which in turn would send the information to the ARC core
through IPM.

For the sensor trigger part, see samples/sensor ones. (bmi160 for instance).
And for ipm: samples/ipm ones.

Tomasz
Hi

We have connected an Accelerometer to the x86 core of C1000 (Quark_se) through SPI interface.
Interrupt line of accelerometer is also connected to the AON_GPIO_3

Now I need to route the SPI connection of x86 to Arc core. Is that possible ?

Any sample code in zephyr I can refer for this activity ?

Best regards
Mahendra

Hi Liu

As you have stated below

"Zephyr drivers for SPI and GPIO were updated recently to allow ARC to directly access GPIO including AON_GPIO and SPI. You do not need x86 at all"

Is this done in zephyr 1.6 ? Even AON_GPIO can I declare and use directly at ARC ?

Please Note we have connected bma255 at SPI lines of x86.


Best regards

Mahendravarman Rajarao

Mobil +919952921253

From: Liu, Baohong [mailto:baohong.liu(a)intel.com]
Sent: Tuesday, January 03, 2017 11:36 PM
To: Mahendravarman Rajarao (RBEI/EAA3) <Mahendravarman.Rajarao(a)in.bosch.com>; devel(a)lists.zephyrproject.org
Subject: [devel] Re: reg: Routing SPI signals connected from x86 core to the Arc core

Zephyr drivers for SPI and GPIO were updated recently to allow ARC to directly access GPIO including AON_GPIO and SPI. You do not need x86 at all.

Please see the updated driver and sample app for BMI160 (top of the free, master).

Thanks
Baohong

From: Mahendravarman Rajarao (RBEI/EAA3) [mailto:Mahendravarman.Rajarao(a)in.bosch.com]
Sent: Tuesday, January 3, 2017 4:24 AM
To: devel(a)lists.zephyrproject.org<mailto:devel(a)lists.zephyrproject.org>
Subject: [devel] reg: Routing SPI signals connected from x86 core to the Arc core

Hi

We have connected an Accelerometer to the x86 core of C1000 (Quark_se) through SPI interface.
Interrupt line of accelerometer is also connected to the AON_GPIO_3

Now I need to route the SPI connection of x86 to Arc core. Is that possible ?

Any sample code in zephyr I can refer for this activity ?

Best regards
Mahendra

Hi

An update to the below query.Under zephyr 1.6

I have used SPI routines x86 to read the chip id of bma255 and its working fine

But,

If I have used SPI routines on ARC ..chip id reading is returning as 0xFF..

Please Note we have connected bma255 at SPI lines of x86.

So only I have a doubt, can we access SPI directly from ARC which is connected to x86 ?

Please help !!!



From: Mahendravarman Rajarao (RBEI/EAA3)
Sent: Friday, January 13, 2017 5:46 PM
To: 'Liu, Baohong' <baohong.liu(a)intel.com>; devel(a)lists.zephyrproject.org
Subject: RE: reg: Routing SPI signals connected from x86 core to the Arc core

Hi Liu

As you have stated below

"Zephyr drivers for SPI and GPIO were updated recently to allow ARC to directly access GPIO including AON_GPIO and SPI. You do not need x86 at all"

Is this done in zephyr 1.6 ? Even AON_GPIO can I declare and use directly at ARC ?

Please Note we have connected bma255 at SPI lines of x86.


Best regards

Mahendravarman Rajarao

Mobil +919952921253
From: Liu, Baohong [mailto:baohong.liu(a)intel.com]
Sent: Tuesday, January 03, 2017 11:36 PM
To: Mahendravarman Rajarao (RBEI/EAA3) <Mahendravarman.Rajarao(a)in.bosch.com<mailto:Mahendravarman.Rajarao(a)in.bosch.com>>; devel(a)lists.zephyrproject.org<mailto:devel(a)lists.zephyrproject.org>
Subject: [devel] Re: reg: Routing SPI signals connected from x86 core to the Arc core

Zephyr drivers for SPI and GPIO were updated recently to allow ARC to directly access GPIO including AON_GPIO and SPI. You do not need x86 at all.

Please see the updated driver and sample app for BMI160 (top of the free, master).

Thanks
Baohong

From: Mahendravarman Rajarao (RBEI/EAA3) [mailto:Mahendravarman.Rajarao(a)in.bosch.com]
Sent: Tuesday, January 3, 2017 4:24 AM
To: devel(a)lists.zephyrproject.org<mailto:devel(a)lists.zephyrproject.org>
Subject: [devel] reg: Routing SPI signals connected from x86 core to the Arc core

Hi

We have connected an Accelerometer to the x86 core of C1000 (Quark_se) through SPI interface.
Interrupt line of accelerometer is also connected to the AON_GPIO_3

Now I need to route the SPI connection of x86 to Arc core. Is that possible ?

Any sample code in zephyr I can refer for this activity ?

Best regards
Mahendra

Post 1.6. You need to use master. You do not need x86 at all.

Thanks
Baohong

From: Mahendravarman Rajarao (RBEI/EAA3) [mailto:Mahendravarman.Rajarao(a)in.bosch.com]
Sent: Friday, January 13, 2017 4:16 AM
To: Liu, Baohong <baohong.liu(a)intel.com>; devel(a)lists.zephyrproject.org
Subject: RE: reg: Routing SPI signals connected from x86 core to the Arc core

Hi Liu

As you have stated below

"Zephyr drivers for SPI and GPIO were updated recently to allow ARC to directly access GPIO including AON_GPIO and SPI. You do not need x86 at all"

Is this done in zephyr 1.6 ? Even AON_GPIO can I declare and use directly at ARC ?

Please Note we have connected bma255 at SPI lines of x86.


Best regards

Mahendravarman Rajarao

Mobil +919952921253
From: Liu, Baohong [mailto:baohong.liu(a)intel.com]
Sent: Tuesday, January 03, 2017 11:36 PM
To: Mahendravarman Rajarao (RBEI/EAA3) <Mahendravarman.Rajarao(a)in.bosch.com<mailto:Mahendravarman.Rajarao(a)in.bosch.com>>; devel(a)lists.zephyrproject.org<mailto:devel(a)lists.zephyrproject.org>
Subject: [devel] Re: reg: Routing SPI signals connected from x86 core to the Arc core

Zephyr drivers for SPI and GPIO were updated recently to allow ARC to directly access GPIO including AON_GPIO and SPI. You do not need x86 at all.

Please see the updated driver and sample app for BMI160 (top of the free, master).

Thanks
Baohong

From: Mahendravarman Rajarao (RBEI/EAA3) [mailto:Mahendravarman.Rajarao(a)in.bosch.com]
Sent: Tuesday, January 3, 2017 4:24 AM
To: devel(a)lists.zephyrproject.org<mailto:devel(a)lists.zephyrproject.org>
Subject: [devel] reg: Routing SPI signals connected from x86 core to the Arc core

Hi

We have connected an Accelerometer to the x86 core of C1000 (Quark_se) through SPI interface.
Interrupt line of accelerometer is also connected to the AON_GPIO_3

Now I need to route the SPI connection of x86 to Arc core. Is that possible ?

Any sample code in zephyr I can refer for this activity ?

Best regards
Mahendra

Hi Liu

We have finalized zephyr 1.6 version for our project

there is any patch available for zephyr 1.6 , which I can install and use ARC to directly access GPIO including AON_GPIO and SPI ?

Please help and reply

Best regards
Mahendra




From: Liu, Baohong [mailto:baohong.liu(a)intel.com]
Sent: Saturday, January 14, 2017 12:16 AM
To: Mahendravarman Rajarao (RBEI/EAA3) <Mahendravarman.Rajarao(a)in.bosch.com>; devel(a)lists.zephyrproject.org
Subject: RE: reg: Routing SPI signals connected from x86 core to the Arc core

Post 1.6. You need to use master. You do not need x86 at all.

Thanks
Baohong

From: Mahendravarman Rajarao (RBEI/EAA3) [mailto:Mahendravarman.Rajarao(a)in.bosch.com]
Sent: Friday, January 13, 2017 4:16 AM
To: Liu, Baohong <baohong.liu(a)intel.com<mailto:baohong.liu(a)intel.com>>; devel(a)lists.zephyrproject.org<mailto:devel(a)lists.zephyrproject.org>
Subject: RE: reg: Routing SPI signals connected from x86 core to the Arc core

Hi Liu

As you have stated below

"Zephyr drivers for SPI and GPIO were updated recently to allow ARC to directly access GPIO including AON_GPIO and SPI. You do not need x86 at all"

Is this done in zephyr 1.6 ? Even AON_GPIO can I declare and use directly at ARC ?

Please Note we have connected bma255 at SPI lines of x86.


Best regards

Mahendravarman Rajarao

Mobil +919952921253
From: Liu, Baohong [mailto:baohong.liu(a)intel.com]
Sent: Tuesday, January 03, 2017 11:36 PM
To: Mahendravarman Rajarao (RBEI/EAA3) <Mahendravarman.Rajarao(a)in.bosch.com<mailto:Mahendravarman.Rajarao(a)in.bosch.com>>; devel(a)lists.zephyrproject.org<mailto:devel(a)lists.zephyrproject.org>
Subject: [devel] Re: reg: Routing SPI signals connected from x86 core to the Arc core

Zephyr drivers for SPI and GPIO were updated recently to allow ARC to directly access GPIO including AON_GPIO and SPI. You do not need x86 at all.

Please see the updated driver and sample app for BMI160 (top of the free, master).

Thanks
Baohong

From: Mahendravarman Rajarao (RBEI/EAA3) [mailto:Mahendravarman.Rajarao(a)in.bosch.com]
Sent: Tuesday, January 3, 2017 4:24 AM
To: devel(a)lists.zephyrproject.org<mailto:devel(a)lists.zephyrproject.org>
Subject: [devel] reg: Routing SPI signals connected from x86 core to the Arc core

Hi

We have connected an Accelerometer to the x86 core of C1000 (Quark_se) through SPI interface.
Interrupt line of accelerometer is also connected to the AON_GPIO_3

Now I need to route the SPI connection of x86 to Arc core. Is that possible ?

Any sample code in zephyr I can refer for this activity ?

Best regards
Mahendra

there is any patch available for zephyr 1.6 , which I can install and use ARC to directly access GPIO including AON_GPIO and SPI ?

https://gerrit.zephyrproject.org/r/#/c/8708/

Thanks
Baohong

From: Mahendravarman Rajarao (RBEI/EAA3) [mailto:Mahendravarman.Rajarao(a)in.bosch.com]
Sent: Monday, January 16, 2017 4:13 AM
To: Liu, Baohong <baohong.liu(a)intel.com>; devel(a)lists.zephyrproject.org
Cc: Estrada, Giovani <giovani.estrada(a)intel.com>
Subject: RE: reg: Routing SPI signals connected from x86 core to the Arc core

Hi Liu

We have finalized zephyr 1.6 version for our project

there is any patch available for zephyr 1.6 , which I can install and use ARC to directly access GPIO including AON_GPIO and SPI ?

Please help and reply

Best regards
Mahendra

there is any patch available for zephyr 1.6 , which I can install and use  ARC to directly access GPIO including AON_GPIO and SPI ?

https://gerrit.zephyrproject.org/r/#/c/8708/

You already have ARC GPIO access.

Thanks
Baohong


From: Liu, Baohong [mailto:baohong.liu(a)intel.com]
Sent: Monday, January 16, 2017 11:49 PM
To: Mahendravarman Rajarao (RBEI/EAA3) <Mahendravarman.Rajarao(a)in.bosch.com>; devel(a)lists.zephyrproject.org
Cc: Estrada, Giovani <giovani.estrada(a)intel.com>
Subject: [devel] Re: reg: Routing SPI signals connected from x86 core to the Arc core

there is any patch available for zephyr 1.6 , which I can install and use  ARC to directly access GPIO including AON_GPIO and SPI ?

https://gerrit.zephyrproject.org/r/#/c/8708/

Thanks
Baohong