kenji/pico_ble_hid
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add toggle button for USB and improve BLE polling rate

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kenji
2025-10-18 22:38:23 -04:00
parent a1a0723e89
commit cb7421eab7
14 changed files with 323 additions and 121 deletions
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bt_device.c
+23 -12
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@@ -28,6 +28,8 @@ static uint8_t battery = 100;
hci_con_handle_t con_handle = HCI_CON_HANDLE_INVALID;
uint16_t conn_interval=1000;
static uint8_t protocol_mode = 1;
bt_state_t bt_state;
bt_device_command_t bt_device_command;
static hids_device_report_t *dev_report_storage;
@@ -109,14 +111,20 @@ static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *pack
(void) size;
if (packet_type != HCI_EVENT_PACKET) return;
if (packet_type != HCI_EVENT_PACKET) {
cdc_count = sprintf(cdc_buf, "Unexpected packet type %02X\n", packet_type);
cdc_print_str(cdc_buf, cdc_count);
return;
}
switch (hci_event_packet_get_type(packet)) {
case HCI_EVENT_DISCONNECTION_COMPLETE:
con_handle = HCI_CON_HANDLE_INVALID;
cdc_print_msg("Disconnected\n");
host_state=HOST_STOP_LISTEN;
if ( device_state == DEVICE_INACTIVE) {
host_state = HOST_STOP_LISTEN;
}
cyw43_arch_gpio_put(CYW43_WL_GPIO_LED_PIN, 0);
break;
case SM_EVENT_JUST_WORKS_REQUEST:
@@ -133,6 +141,8 @@ static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *pack
cdc_count = sprintf(cdc_buf, "Display Passkey: %"PRIu32"\n", sm_event_passkey_display_number_get_passkey(packet));
cdc_print_str(cdc_buf, cdc_count);
break;
case SM_EVENT_IDENTITY_RESOLVING_STARTED:
break;
case L2CAP_EVENT_CONNECTION_PARAMETER_UPDATE_RESPONSE:
cdc_count = sprintf(cdc_buf, "L2CAP Connection Parameter Update Complete, response: %x\n", l2cap_event_connection_parameter_update_response_get_result(packet));
cdc_print_str(cdc_buf, cdc_count);
@@ -160,6 +170,8 @@ static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *pack
cdc_print_str(cdc_buf, cdc_count);
break;
default:
//cdc_count = sprintf(cdc_buf,"LE packet unknown %02X\n", hci_event_le_meta_get_subevent_code(packet));
//cdc_print_str(cdc_buf, cdc_count);
break;
}
break;
@@ -170,13 +182,10 @@ static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *pack
cdc_count = sprintf(cdc_buf, "Report Characteristic Subscribed %u\n", hids_subevent_input_report_enable_get_enable(packet));
cdc_print_str(cdc_buf, cdc_count);
host_state=HOST_START_LISTEN;
host_state = HOST_START_LISTEN;
cyw43_arch_gpio_put(CYW43_WL_GPIO_LED_PIN, 1);
// request connection param update via L2CAP following Apple Bluetooth Design Guidelines
// gap_request_connection_parameter_update(con_handle, 12, 12, 4, 100); // 15 ms, 4, 1s
// directly update connection params via HCI following Apple Bluetooth Design Guidelines
// gap_update_connection_parameters(con_handle, 12, 12, 4, 100); // 60-75 ms, 4, 1s
// request update to max 125Hz polling
gap_request_connection_parameter_update(con_handle, 6,6,0,100);
break;
case HIDS_SUBEVENT_PROTOCOL_MODE:
@@ -185,27 +194,29 @@ static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *pack
cdc_print_str(cdc_buf, cdc_count);
break;
case HIDS_SUBEVENT_CAN_SEND_NOW:
//cdc_print_msg("HIDS_SUBEVENT_CAN_SEND_NOW\n");
send_report();
cyw43_arch_gpio_put(CYW43_WL_GPIO_LED_PIN, 1-cyw43_arch_gpio_get(CYW43_WL_GPIO_LED_PIN));
break;
default:
//cdc_count = sprintf(cdc_buf, "Unknown HID event %02X\n", hci_event_hids_meta_get_subevent_code(packet));
//cdc_print_str(cdc_buf, cdc_count);
break;
}
break;
default:
//cdc_count = sprintf(cdc_buf, "Unknown HCI event %02X\n", hci_event_packet_get_type(packet));
//cdc_print_str(cdc_buf, cdc_count);
break;
}
}
// called to update the report map aka HID report descriptor on the BT interface
void update_desc_hid_report(void) {
con_handle = HCI_CON_HANDLE_INVALID;
hci_power_control(HCI_POWER_OFF);
if (desc_hid_report_len>0) {
//cdc_print_msg("Update HID report descriptor: ");
//cdc_print_hex(desc_hid_report, desc_hid_report_len);
if (bt_state == BT_STATE_ACTIVE && desc_hid_report_len>0) {
hids_device_init_with_storage(0, desc_hid_report, desc_hid_report_len, NUM_REPORT_IDS, dev_report_storage);
hci_power_control(HCI_POWER_ON);
}