extmod/modbluetooth: Add send_update arg to gatts_write.

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>

1 files changed, 4 insertions, 1 deletions

diff --git a/extmod/btstack/modbluetooth_btstack.c b/extmod/btstack/modbluetooth_btstack.c
index 9c88878038..4e81e21fe2 100644
--- a/extmod/btstack/modbluetooth_btstack.c
+++ b/extmod/btstack/modbluetooth_btstack.c
@@ -1085,11 +1085,14 @@ int mp_bluetooth_gatts_read(uint16_t value_handle, uint8_t **value, size_t *valu
     return mp_bluetooth_gatts_db_read(MP_STATE_PORT(bluetooth_btstack_root_pointers)->gatts_db, value_handle, value, value_len);
 }
 
-int mp_bluetooth_gatts_write(uint16_t value_handle, const uint8_t *value, size_t value_len) {
+int mp_bluetooth_gatts_write(uint16_t value_handle, const uint8_t *value, size_t value_len, bool send_update) {
     DEBUG_printf("mp_bluetooth_gatts_write\n");
     if (!mp_bluetooth_is_active()) {
         return ERRNO_BLUETOOTH_NOT_ACTIVE;
     }
+    if (send_update) {
+        return MP_EOPNOTSUPP;
+    }
     return mp_bluetooth_gatts_db_write(MP_STATE_PORT(bluetooth_btstack_root_pointers)->gatts_db, value_handle, value, value_len);
 }