Re: [PATCH v3] sim7100: query until AT channel is ready

Hello:

This patch was applied to ofono.git (master)
by Denis Kenzior <[email protected]>:

On Thu, 26 Jun 2025 08:58:52 +0200 you wrote:
> It's seen that the AT channel contains unknown data upon power on.
> Query the modem until it answers with OK. Create a timer to re-issue
> the AT command at regular intervals until the modem answers OK.
> 
> plugins/sim7100.c:sim7100_enable()
> plugins/sim7100.c:open_device() devkey=AT
> src/modem.c:get_modem_property() modem 0x261f20 property AT
> plugins/sim7100.c:open_device() devkey=PPP
> src/modem.c:get_modem_property() modem 0x261f20 property PPP
> AT: > AT\r
> AT: < \r\r*A
> PPP: < \r\r*A
> AT: < AT\r
> plugins/sim7100.c:init_timeout_cb() 0x261f20
> AT: > AT\r
> AT: < AT\r
> AT: < \r\nOK\r\n
> AT: > ATE0Q0V1\r
> AT: < ATE0Q0V1\r\r\nOK\r\n
> AT: > AT+CGMM\r
> AT: < \r\nA7672E-FASE\r\n\r\nOK\r\n
> plugins/sim7100.c:cgmm_cb() modem model: A7672E-FASE
> plugins/sim7100.c:cgmm_cb() before CFUN
> AT: > AT+CFUN=4\r
> AT: < \r\n+CGEV: ME DETACH\r\n\r\n+CGEV: NW PDN DEACT 1\r\n
> PPP: < \r\n+CGEV: ME DETACH\r\n\r\n+CGEV: NW PDN DEACT 1\r\n
> AT: < \r\nOK\r\n
> plugins/sim7100.c:cfun_set_on_cb()
> src/modem.c:modem_change_state() old state: 0, new state: 1
> 
> [...]

Here is the summary with links:
  - [v3] sim7100: query until AT channel is ready
    https://git.kernel.org/pub/scm/network/ofono/ofono.git/?id=4aaa475f3290

You are awesome, thank you!
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