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manager: only start the modem if it isn't already on

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This commit is contained in:
Arnaud Ferraris
2020-12-11 11:42:51 +01:00
parent 87c7af7056
commit 8d31e39e89
4 changed files with 48 additions and 9 deletions
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43
src/manager.c
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@@ -16,6 +16,10 @@
#include <unistd.h>
#include <glib-unix.h>
#include <libusb.h>
#define EG25_USB_VID 0x2c7c
#define EG25_USB_PID 0x0125
static gboolean quit_app(struct EG25Manager *manager)
{
@@ -32,7 +36,7 @@ static gboolean quit_app(struct EG25Manager *manager)
gpio_sequence_shutdown(manager);
manager->modem_state = EG25_STATE_FINISHING;
for (i = 0; i < 30; i++) {
if (gpio_check_poweroff(manager))
if (gpio_check_poweroff(manager, TRUE))
break;
sleep(1);
}
@@ -46,9 +50,40 @@ static gboolean quit_app(struct EG25Manager *manager)
static gboolean modem_start(struct EG25Manager *manager)
{
g_message("Starting modem...");
gpio_sequence_poweron(manager);
manager->modem_state = EG25_STATE_POWERED;
ssize_t i, count;
gboolean should_boot = TRUE;
libusb_context *ctx = NULL;
libusb_device **devices = NULL;
struct libusb_device_descriptor desc;
if (manager->braveheart) {
// BH don't have the STATUS line connected, so check if USB device is present
libusb_init(&ctx);
count = libusb_get_device_list(ctx, &devices);
for (i = 0; i < count; i++) {
libusb_get_device_descriptor(devices[i], &desc);
if (desc.idVendor == EG25_USB_VID && desc.idProduct == EG25_USB_PID) {
g_message("Found corresponding USB device, modem already powered");
should_boot = FALSE;
break;
}
}
libusb_free_device_list(devices, 1);
libusb_exit(ctx);
} else if (!gpio_check_poweroff(manager, FALSE)) {
g_message("STATUS is low, modem already powered");
should_boot = FALSE;
}
if (should_boot) {
g_message("Starting modem...");
gpio_sequence_poweron(manager);
manager->modem_state = EG25_STATE_POWERED;
} else {
manager->modem_state = EG25_STATE_STARTED;
}
return FALSE;
}