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simplified switch statement in packet handler

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This commit is contained in:
matthias.ringwald@gmail.com 2013-03-12 15:07:56 +00:00
parent 8a41a694f3
commit bb6656c957
1 changed files with 67 additions and 67 deletions
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132
MSP-EXP430F5438-CC256x/example/spp_counter.c
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@ -40,6 +40,9 @@ static timer_source_t heartbeat;
static int real_counter = 0;
static int counter_to_send = 0;
enum STATE {INIT, W4_CONNECTION, W4_CHANNEL_COMPLETE, ACTIVE} ;
enum STATE state = INIT;
static void tryToSend(void){
if (!rfcomm_channel_id) return;
if (real_counter <= counter_to_send) return;
@ -66,80 +69,77 @@ static void packet_handler (void * connection, uint8_t packet_type, uint16_t cha
bd_addr_t event_addr;
uint8_t rfcomm_channel_nr;
uint16_t mtu;
uint8_t event = packet[0];
switch (packet_type) {
case HCI_EVENT_PACKET:
switch (packet[0]) {
// handle events, ignore data
if (packet_type != HCI_EVENT_PACKET) return;
case BTSTACK_EVENT_STATE:
// bt stack activated, get started - set local name
if (packet[2] == HCI_STATE_WORKING) {
hci_send_cmd(&hci_write_local_name, "BTstack SPP Counter");
}
break;
case HCI_EVENT_COMMAND_COMPLETE:
if (COMMAND_COMPLETE_EVENT(packet, hci_read_bd_addr)){
bt_flip_addr(event_addr, &packet[6]);
printf("BD-ADDR: %s\n\r", bd_addr_to_str(event_addr));
break;
}
if (COMMAND_COMPLETE_EVENT(packet, hci_write_local_name)){
hci_discoverable_control(1);
break;
}
break;
case HCI_EVENT_LINK_KEY_REQUEST:
// deny link key request
printf("Link key request\n\r");
bt_flip_addr(event_addr, &packet[2]);
hci_send_cmd(&hci_link_key_request_negative_reply, &event_addr);
break;
case HCI_EVENT_PIN_CODE_REQUEST:
// inform about pin code request
printf("Pin code request - using '0000'\n\r");
bt_flip_addr(event_addr, &packet[2]);
hci_send_cmd(&hci_pin_code_request_reply, &event_addr, 4, "0000");
break;
case RFCOMM_EVENT_INCOMING_CONNECTION:
// data: event (8), len(8), address(48), channel (8), rfcomm_cid (16)
bt_flip_addr(event_addr, &packet[2]);
rfcomm_channel_nr = packet[8];
rfcomm_channel_id = READ_BT_16(packet, 9);
printf("RFCOMM channel %u requested for %s\n\r", rfcomm_channel_nr, bd_addr_to_str(event_addr));
rfcomm_accept_connection_internal(rfcomm_channel_id);
break;
case RFCOMM_EVENT_OPEN_CHANNEL_COMPLETE:
// data: event(8), len(8), status (8), address (48), server channel(8), rfcomm_cid(16), max frame size(16)
if (packet[2]) {
printf("RFCOMM channel open failed, status %u\n\r", packet[2]);
} else {
rfcomm_channel_id = READ_BT_16(packet, 12);
mtu = READ_BT_16(packet, 14);
printf("\n\rRFCOMM channel open succeeded. New RFCOMM Channel ID %u, max frame size %u\n\r", rfcomm_channel_id, mtu);
}
break;
case DAEMON_EVENT_HCI_PACKET_SENT:
case RFCOMM_EVENT_CREDITS:
tryToSend();
break;
case RFCOMM_EVENT_CHANNEL_CLOSED:
rfcomm_channel_id = 0;
break;
default:
break;
switch (event) {
case BTSTACK_EVENT_STATE:
// bt stack activated, get started - set local name
if (packet[2] == HCI_STATE_WORKING) {
hci_send_cmd(&hci_write_local_name, "BTstack SPP Counter");
}
break;
case HCI_EVENT_COMMAND_COMPLETE:
if (COMMAND_COMPLETE_EVENT(packet, hci_read_bd_addr)){
bt_flip_addr(event_addr, &packet[6]);
printf("BD-ADDR: %s\n\r", bd_addr_to_str(event_addr));
break;
}
if (COMMAND_COMPLETE_EVENT(packet, hci_write_local_name)){
hci_discoverable_control(1);
break;
}
break;
case HCI_EVENT_LINK_KEY_REQUEST:
// deny link key request
printf("Link key request\n\r");
bt_flip_addr(event_addr, &packet[2]);
hci_send_cmd(&hci_link_key_request_negative_reply, &event_addr);
break;
case HCI_EVENT_PIN_CODE_REQUEST:
// inform about pin code request
printf("Pin code request - using '0000'\n\r");
bt_flip_addr(event_addr, &packet[2]);
hci_send_cmd(&hci_pin_code_request_reply, &event_addr, 4, "0000");
break;
case RFCOMM_EVENT_INCOMING_CONNECTION:
// data: event (8), len(8), address(48), channel (8), rfcomm_cid (16)
bt_flip_addr(event_addr, &packet[2]);
rfcomm_channel_nr = packet[8];
rfcomm_channel_id = READ_BT_16(packet, 9);
printf("RFCOMM channel %u requested for %s\n\r", rfcomm_channel_nr, bd_addr_to_str(event_addr));
rfcomm_accept_connection_internal(rfcomm_channel_id);
break;
case RFCOMM_EVENT_OPEN_CHANNEL_COMPLETE:
// data: event(8), len(8), status (8), address (48), server channel(8), rfcomm_cid(16), max frame size(16)
if (packet[2]) {
printf("RFCOMM channel open failed, status %u\n\r", packet[2]);
} else {
rfcomm_channel_id = READ_BT_16(packet, 12);
mtu = READ_BT_16(packet, 14);
printf("\n\rRFCOMM channel open succeeded. New RFCOMM Channel ID %u, max frame size %u\n\r", rfcomm_channel_id, mtu);
}
break;
case DAEMON_EVENT_HCI_PACKET_SENT:
case RFCOMM_EVENT_CREDITS:
tryToSend();
break;
case RFCOMM_EVENT_CHANNEL_CLOSED:
rfcomm_channel_id = 0;
break;
default:
break;
}
}
static void run_loop_register_timer(timer_source_t *timer, uint16_t period){