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extmod/modbluetooth: Add send_update arg to gatts_write.

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This allows the write to trigger a notification or indication, but only to
subscribed clients. This is different to gatts_notify/gatts_indicate,
which will unconditionally notify/indicate.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
This commit is contained in:
Jim Mussared
2021-07-23 15:12:26 +10:00
committed by Damien George
parent 5733c49174
commit 1d9e489af3
6 changed files with 42 additions and 18 deletions
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14
extmod/modbluetooth.c
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@@ -717,15 +717,17 @@ STATIC mp_obj_t bluetooth_ble_gatts_read(mp_obj_t self_in, mp_obj_t value_handle
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(bluetooth_ble_gatts_read_obj, bluetooth_ble_gatts_read);
STATIC mp_obj_t bluetooth_ble_gatts_write(mp_obj_t self_in, mp_obj_t value_handle_in, mp_obj_t data) {
(void)self_in;
STATIC mp_obj_t bluetooth_ble_gatts_write(size_t n_args, const mp_obj_t *args) {
mp_buffer_info_t bufinfo = {0};
mp_get_buffer_raise(data, &bufinfo, MP_BUFFER_READ);
int err = mp_bluetooth_gatts_write(mp_obj_get_int(value_handle_in), bufinfo.buf, bufinfo.len);
bluetooth_handle_errno(err);
mp_get_buffer_raise(args[2], &bufinfo, MP_BUFFER_READ);
bool send_update = false;
if (n_args > 3) {
send_update = mp_obj_is_true(args[3]);
}
bluetooth_handle_errno(mp_bluetooth_gatts_write(mp_obj_get_int(args[1]), bufinfo.buf, bufinfo.len, send_update));
return MP_OBJ_NEW_SMALL_INT(bufinfo.len);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_3(bluetooth_ble_gatts_write_obj, bluetooth_ble_gatts_write);
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(bluetooth_ble_gatts_write_obj, 3, 4, bluetooth_ble_gatts_write);
STATIC mp_obj_t bluetooth_ble_gatts_notify(size_t n_args, const mp_obj_t *args) {
mp_int_t conn_handle = mp_obj_get_int(args[1]);