[squeak-dev] Raspberry - GPIO - telephone caller id - Squeak

Louis LaBrunda Lou at Keystone-Software.com
Mon Jun 15 17:23:50 UTC 2015


Hi Ben,

Thanks for the interesting leads.  They will give me something to chew on.

Lou

On Mon, 15 Jun 2015 23:26:34 +0800, Ben Coman <btc at openinworld.com> wrote:

>I was curious to see how much this might cost...
>Maybe the HT9032C for $2 [1]
>* application note [2]
>* miscellaneous info [3]
>* something similar [4]
>
>[1] http://www.aliexpress.com/cheap/cheap-ic-ht9032c/2.html
>[2] http://www.holtek.com/pdf/comm/9032v141.pdf
>[3] http://www.microchip.com/forums/m22769.aspx
>[4] https://bigdanzblog.wordpress.com/2015/05/22/testing-linksprite-caller-id-module-based-on-ht9032-with-a-pc/
>
>cheers -ben
>
>On Mon, Jun 15, 2015 at 9:43 PM, Louis LaBrunda
><Lou at keystone-software.com> wrote:
>> Hey Tim,
>>
>> I will try to keep you informed.  The board you pointed me to seems like
>> overkill and at any rate is way more expensive than I can use as I would
>> like to build something and eventually sell it.
>
>> Someone from element14, the company here in the US where we can buy
>> Raspberries, said "No chip is needed, but you need to program the GPIO to
>> listen to a ring and then FSK the remaining information from a bleep.
>> http://electronics.howstuffworks.com/question409.htm".  This seems like a
>> tremendous amount of work to get the GPIO to do and a lot of reinventing
>> the wheel.  I don't know for sure but I think there should be a chip that
>> can get the caller id info and pass it to the Raspberry (USB or other port)
>> and maybe even be able to handle the A/D-D/A conversion for recording and
>> playing of messages.
>>
>> I'm trying to find a chip(s) that can do this and then maybe some help
>> wiring it to the Raspberry.
>>
>> Thanks for your interest and any other thoughts you may have.
>>
>> Lou
>>
>> P.S.  I need permission to enter the site you pointed me to below.
>>
>> On Sat, 13 Jun 2015 10:20:43 -0700, tim Rowledge <tim at rowledge.org> wrote:
>>
>>>
>>>On 12-06-2015, at 11:11 AM, Louis LaBrunda <Lou at Keystone-Software.com> wrote:
>>>
>>>> Hi Tim,
>>>>
>>>> Thanks a lot for the information.  I will look into it.
>>>
>>>Do please report back on what you find. I have a very-back-burner project I’d love to do something with one day with which I’d like to make iPhones etc talk to a PI running asterisk and then to POTS so that one can answer and make calls via the house landline.
>>>
>>>Very old and rusty website - https://sites.google.com/site/tcjspp/?pli=1 - resulting from a rather fun Coursera course I took.
>>>
>>>tim
>> -----------------------------------------------------------
>> Louis LaBrunda
>> Keystone Software Corp.
>> SkypeMe callto://PhotonDemon
>> mailto:Lou at Keystone-Software.com http://www.Keystone-Software.com
>>
>>
>
-----------------------------------------------------------
Louis LaBrunda
Keystone Software Corp.
SkypeMe callto://PhotonDemon
mailto:Lou at Keystone-Software.com http://www.Keystone-Software.com



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