diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/class/hid/hid_host.c | 27 | ||||
| -rw-r--r-- | src/class/hid/hid_host.h | 6 |
2 files changed, 18 insertions, 15 deletions
diff --git a/src/class/hid/hid_host.c b/src/class/hid/hid_host.c index 81ed6e8b6..59fbb097e 100644 --- a/src/class/hid/hid_host.c +++ b/src/class/hid/hid_host.c @@ -98,7 +98,7 @@ uint8_t tuh_hid_interface_protocol(uint8_t dev_addr, uint8_t instance) return hid_itf->itf_protocol; } -bool tuh_hid_get_protocol(uint8_t dev_addr, uint8_t instance) +uint8_t tuh_hid_get_protocol(uint8_t dev_addr, uint8_t instance) { hidh_interface_t* hid_itf = get_instance(dev_addr, instance); return hid_itf->protocol_mode; @@ -243,7 +243,7 @@ void hidh_close(uint8_t dev_addr) // Enumeration //--------------------------------------------------------------------+ -static bool config_get_protocol (uint8_t dev_addr, tusb_control_request_t const * request, xfer_result_t result); +static bool config_set_protocol (uint8_t dev_addr, tusb_control_request_t const * request, xfer_result_t result); static bool config_get_report_desc (uint8_t dev_addr, tusb_control_request_t const * request, xfer_result_t result); static bool config_get_report_desc_complete (uint8_t dev_addr, tusb_control_request_t const * request, xfer_result_t result); @@ -286,7 +286,8 @@ uint16_t hidh_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const hid_itf->report_desc_type = desc_hid->bReportType; hid_itf->report_desc_len = tu_unaligned_read16(&desc_hid->wReportLength); - hid_itf->protocol_mode = HID_PROTOCOL_REPORT; // Per Specs: default is report mode + // Per HID Specs: default is Report protocol, though we will force Boot protocol when set_config + hid_itf->protocol_mode = HID_PROTOCOL_BOOT; if ( HID_SUBCLASS_BOOT == desc_itf->bInterfaceSubClass ) hid_itf->itf_protocol = desc_itf->bInterfaceProtocol; drv_len += desc_itf->bNumEndpoints*sizeof(tusb_desc_endpoint_t); @@ -318,42 +319,44 @@ bool hidh_set_config(uint8_t dev_addr, uint8_t itf_num) .wLength = 0 }; - TU_ASSERT( tuh_control_xfer(dev_addr, &request, NULL, (hid_itf->itf_protocol != HID_ITF_PROTOCOL_NONE) ? config_get_protocol : config_get_report_desc) ); + TU_ASSERT( tuh_control_xfer(dev_addr, &request, NULL, (hid_itf->itf_protocol != HID_ITF_PROTOCOL_NONE) ? config_set_protocol : config_get_report_desc) ); return true; } -static bool config_get_protocol(uint8_t dev_addr, tusb_control_request_t const * request, xfer_result_t result) +// Force device to work in BOOT protocol +static bool config_set_protocol(uint8_t dev_addr, tusb_control_request_t const * request, xfer_result_t result) { - // Stall is a valid response for SET_IDLE GET_PROTOCOL, therefore we could ignore its result + // Stall is a valid response for SET_PROTOCOL, therefore we could ignore its result (void) result; uint8_t const itf_num = (uint8_t) request->wIndex; uint8_t const instance = get_instance_id_by_itfnum(dev_addr, itf_num); hidh_interface_t* hid_itf = get_instance(dev_addr, instance); - TU_LOG2("HID Get Protocol\r\n"); + TU_LOG2("HID Set Protocol\r\n"); + hid_itf->protocol_mode = HID_PROTOCOL_BOOT; tusb_control_request_t const new_request = { .bmRequestType_bit = { .recipient = TUSB_REQ_RCPT_INTERFACE, .type = TUSB_REQ_TYPE_CLASS, - .direction = TUSB_DIR_IN + .direction = TUSB_DIR_OUT }, - .bRequest = HID_REQ_CONTROL_GET_PROTOCOL, - .wValue = 0, + .bRequest = HID_REQ_CONTROL_SET_PROTOCOL, + .wValue = HID_PROTOCOL_BOOT, .wIndex = hid_itf->itf_num, .wLength = 1 }; - TU_ASSERT( tuh_control_xfer(dev_addr, &new_request, &hid_itf->protocol_mode, config_get_report_desc) ); + TU_ASSERT( tuh_control_xfer(dev_addr, &new_request, NULL, config_get_report_desc) ); return false; } static bool config_get_report_desc(uint8_t dev_addr, tusb_control_request_t const * request, xfer_result_t result) { - // Stall is a valid response for SET_IDLE GET_PROTOCOL, therefore we could ignore its result + // Stall is a valid response for SET_IDLE, therefore we could ignore its result (void) result; uint8_t const itf_num = (uint8_t) request->wIndex; diff --git a/src/class/hid/hid_host.h b/src/class/hid/hid_host.h index 6ae7c6721..b95f0d9b7 100644 --- a/src/class/hid/hid_host.h +++ b/src/class/hid/hid_host.h @@ -66,9 +66,9 @@ bool tuh_hid_mounted(uint8_t dev_addr, uint8_t instance); // Get interface supported protocol (bInterfaceProtocol) check out hid_interface_protocol_enum_t for possible values uint8_t tuh_hid_interface_protocol(uint8_t dev_addr, uint8_t instance); -// Get current active protocol: HID_PROTOCOL_BOOT (0) or HID_PROTOCOL_REPORT (1) -// Note: as HID spec, device will be initialized in Report mode -bool tuh_hid_get_protocol(uint8_t dev_addr, uint8_t instance); +// Get current protocol: HID_PROTOCOL_BOOT (0) or HID_PROTOCOL_REPORT (1) +// Note: device will be initialized in Boot protocol for simplicity. +uint8_t tuh_hid_get_protocol(uint8_t dev_addr, uint8_t instance); // Set protocol to HID_PROTOCOL_BOOT (0) or HID_PROTOCOL_REPORT (1) // This function is only supported by Boot interface (tuh_n_hid_interface_protocol() != NONE) |