mirror/btstack
1
0
Fork 0
mirror of https://github.com/bluekitchen/btstack.git synced 2025-01-18 19:21:54 +00:00
Code Issues Packages Projects Releases Wiki Activity

support baudrate change on STM STLC2500D chipset

Browse Source
This commit is contained in:
Matthias Ringwald 2015-04-17 16:08:51 +02:00
parent e2c8f70327
commit 4696bddb90
2 changed files with 32 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
src/hci.c
View File

@ -824,6 +824,10 @@ static void hci_initialization_timeout_handler(timer_source_t * ds){
hci_stack->substate = HCI_INIT_SEND_RESET_CSR_WARM_BOOT;
hci_stack->num_cmd_packets = 1;
hci_run();
case HCI_INIT_W4_SEND_BAUD_CHANGE:
log_info("Local baud rate change to %u", ((hci_uart_config_t *)hci_stack->config)->baudrate_main);
hci_stack->hci_transport->set_baudrate(((hci_uart_config_t *)hci_stack->config)->baudrate_main);
break;
default:
break;
}
@ -866,6 +870,12 @@ static void hci_initializing_run(){
hci_stack->last_cmd_opcode = READ_BT_16(hci_stack->hci_packet_buffer, 0);
hci_stack->substate = HCI_INIT_W4_SEND_BAUD_CHANGE;
hci_send_cmd_packet(hci_stack->hci_packet_buffer, 3 + hci_stack->hci_packet_buffer[2]);
// STLC25000D: baudrate change happens within 0.5 s after command was send,
// use timer to update baud rate after 100 ms (knowing exactly, when command was sent is non-trivial)
if (hci_stack->manufacturer == 0x0030){
run_loop_set_timer(&hci_stack->timeout, 100);
run_loop_add_timer(&hci_stack->timeout);
}
break;
case HCI_INIT_SET_BD_ADDR:
log_info("Set Public BD ADDR to %s", bd_addr_to_str(hci_stack->custom_bd_addr));
@ -1047,8 +1057,13 @@ static void hci_initializing_event_handler(uint8_t * packet, uint16_t size){
hci_stack->substate = HCI_INIT_CUSTOM_INIT;
return;
case HCI_INIT_W4_SEND_BAUD_CHANGE:
log_info("Local baud rate change");
hci_stack->hci_transport->set_baudrate(((hci_uart_config_t *)hci_stack->config)->baudrate_main);
// for STLC2500D, baud rate change already happened.
// for CC256x, baud rate gets changed now
if (hci_stack->manufacturer != 0x0030){
uint32_t new_baud = ((hci_uart_config_t *)hci_stack->config)->baudrate_main;
log_info("Local baud rate change to %u", new_baud);
hci_stack->hci_transport->set_baudrate(new_baud);
}
if (need_addr_change){
hci_stack->substate = HCI_INIT_SET_BD_ADDR;
return;
@ -1179,6 +1194,14 @@ static void event_handler(uint8_t *packet, int size){
// Classic/LE
log_info("BR/EDR support %u, LE support %u", hci_classic_supported(), hci_le_supported());
}
if (COMMAND_COMPLETE_EVENT(packet, hci_read_local_version_information)){
// hci_stack->hci_version = READ_BT_16(packet, 4);
// hci_stack->hci_revision = READ_BT_16(packet, 6);
// hci_stack->lmp_version = READ_BT_16(packet, 8);
hci_stack->manufacturer = READ_BT_16(packet, 10);
// hci_stack->lmp_subversion = READ_BT_16(packet, 12);
log_info("Manufacturer: 0x%04x", hci_stack->manufacturer);
}
break;
case HCI_EVENT_COMMAND_STATUS:

7
src/hci.h
View File

@ -624,6 +624,13 @@ typedef struct {
/* local supported features */
uint8_t local_supported_features[8];
/* bluetooth device information from hci read local version information */
// uint16_t hci_version;
// uint16_t hci_revision;
// uint16_t lmp_version;
uint16_t manufacturer;
// uint16_t lmp_subversion;
// usable packet types given acl_data_packet_length and HCI_ACL_BUFFER_SIZE
uint16_t packet_types;