mirror/btstack
1
0
Fork 0
mirror of https://github.com/bluekitchen/btstack.git synced 2025-03-25 16:43:28 +00:00
Code Issues Packages Projects Releases Wiki Activity

h5: call uart set sleep if link enters sleep mode

Browse Source
This commit is contained in:
Matthias Ringwald 2016-04-27 15:50:05 +02:00
parent 019a10b5a3
commit d8e28fa375
1 changed files with 24 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
src/hci_transport_h5.c
View File

@ -120,6 +120,7 @@ static int hci_transport_link_actions;
// UART Driver + Config
static const btstack_uart_block_t * btstack_uart;
static btstack_uart_config_t uart_config;
static btstack_uart_sleep_mode_t btstack_uart_sleep_mode;
static int uart_write_active;
@ -487,7 +488,12 @@ static void hci_transport_h5_process_frame(uint16_t frame_size){
break;
}
if (memcmp(slip_payload, link_control_sleep, sizeof(link_control_sleep)) == 0){
log_info("link: received sleep message");
if (btstack_uart_sleep_mode){
log_info("link: received sleep message. Enabling UART Sleep.");
btstack_uart->set_sleep(btstack_uart_sleep_mode);
} else {
log_info("link: received sleep message. UART Sleep not supported");
}
link_peer_asleep = 1;
break;
}
@ -585,6 +591,19 @@ static int hci_transport_h5_open(void){
return res;
}
// check if wake on RX can be used
btstack_uart_sleep_mode = BTSTACK_UART_SLEEP_OFF;
int supported_sleep_modes = 0;
if (btstack_uart->get_supported_sleep_modes){
supported_sleep_modes = btstack_uart->get_supported_sleep_modes();
}
if (supported_sleep_modes & BTSTACK_UART_SLEEP_MASK_RTS_LOW_WAKE_ON_RX_EDGE){
log_info("H5: using wake on RX");
btstack_uart_sleep_mode = BTSTACK_UART_SLEEP_RTS_LOW_WAKE_ON_RX_EDGE;
} else {
log_info("H5: UART driver does not provide compatible sleep mode");
}
// setup resend timeout
hci_transport_link_update_resend_timeout(uart_config.baudrate);
@ -625,6 +644,10 @@ static int hci_transport_h5_send_packet(uint8_t packet_type, uint8_t *packet, in
// send wakeup first
if (link_peer_asleep){
if (btstack_uart_sleep_mode){
log_info("h5: disable UART sleep");
btstack_uart->set_sleep(BTSTACK_UART_SLEEP_OFF);
}
hci_transport_link_actions |= HCI_TRANSPORT_LINK_SEND_WAKEUP;
hci_transport_link_set_timer(LINK_WAKEUP_MS);
} else {