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manager: reset using gpio pins if the mode is unresponsive

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If the modem doesn't respond to the at reboot sequence, this will
attempt reboot the modem using both the power pin and then the reset pin
in case that doesn't work.
This commit is contained in:
Aren Moynihan
2024-09-02 12:27:52 -04:00
parent c4b3b75047
commit 1482899888
1 changed files with 31 additions and 3 deletions
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34
src/manager.c
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@@ -145,7 +145,35 @@ void modem_configure(struct EG25Manager *manager)
at_sequence_configure(manager);
}
static gboolean modem_reset_done(struct EG25Manager* manager)
static gboolean modem_gpio_reset_done(struct EG25Manager *manager)
{
gpio_sequence_poweron(manager);
manager->modem_state = EG25_STATE_POWERED;
manager->complete_reset_timer = 0;
return G_SOURCE_REMOVE;
}
static gboolean modem_at_reset_done(struct EG25Manager* manager)
{
/*
* If the modem was successfully rebooted, then we should have received
* "RDY" by now which will transition the state to started.
*/
if (manager->modem_state != EG25_STATE_RESETTING) {
manager->complete_reset_timer = 0;
return G_SOURCE_REMOVE;
}
g_message("AT reset failed, falling back to GPIO reset");
gpio_sequence_shutdown(manager);
manager->complete_reset_timer = g_timeout_add_seconds(30, G_SOURCE_FUNC(modem_gpio_reset_done), manager);
return G_SOURCE_REMOVE;
}
static gboolean modem_rebind_done(struct EG25Manager* manager)
{
manager->modem_state = EG25_STATE_RESUMING;
manager->complete_reset_timer = 0;
@@ -223,7 +251,7 @@ gboolean modem_reset(struct EG25Manager *manager)
* 3s is long enough to make sure the modem has been bound back and
* short enough to ensure it hasn't been acquired by ModemManager
*/
manager->complete_reset_timer = g_timeout_add_seconds(3, G_SOURCE_FUNC(modem_reset_done), manager);
manager->complete_reset_timer = g_timeout_add_seconds(3, G_SOURCE_FUNC(modem_rebind_done), manager);
return G_SOURCE_REMOVE;
@@ -241,7 +269,7 @@ error:
at_sequence_reset(manager);
// Setup timer for making sure we don't queue other reset commands
manager->complete_reset_timer = g_timeout_add_seconds(30, G_SOURCE_FUNC(modem_reset_done), manager);
manager->complete_reset_timer = g_timeout_add_seconds(30, G_SOURCE_FUNC(modem_at_reset_done), manager);
return G_SOURCE_REMOVE;
}