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unix/btstack_usb: Allow choosing adaptor via environment variable. 

This allows running (for example):

    env MICROPYBTUSB=2-2 ./micropython-dev ../../examples/bluetooth/ble_temperature_central.py
This commit is contained in:
Jim Mussared 2020-06-05 15:41:08 +10:00 committed by Damien George
parent c6fd6a0d72
commit 3f77f2c60c
1 changed files with 17 additions and 1 deletions
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18
ports/unix/btstack_usb.c
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@ -110,7 +110,23 @@ void mp_bluetooth_btstack_port_init(void) {
btstack_run_loop_embedded_get_instance()->init(); btstack_run_loop_embedded_get_instance()->init();
} }
// TODO: allow setting USB device path via cmdline/env var. // MICROPYBTUSB can be a ':'' or '-' separated port list.
char *path = getenv("MICROPYBTUSB");
if (path != NULL) {
uint8_t usb_path[7] = {0};
size_t usb_path_len = 0;
while (usb_path_len < MP_ARRAY_SIZE(usb_path)) {
char *delimiter;
usb_path[usb_path_len++] = strtol(path, &delimiter, 16);
if (!delimiter || (*delimiter != ':' && *delimiter != '-')) {
break;
}
path = delimiter + 1;
}
hci_transport_usb_set_path(usb_path_len, usb_path);
}
// hci_dump_open(NULL, HCI_DUMP_STDOUT); // hci_dump_open(NULL, HCI_DUMP_STDOUT);
hci_init(hci_transport_usb_instance(), NULL); hci_init(hci_transport_usb_instance(), NULL);