diff --git a/src/class/hid/hid_host.c b/src/class/hid/hid_host.c index 42b5e2f4e..22569194f 100644 --- a/src/class/hid/hid_host.c +++ b/src/class/hid/hid_host.c @@ -1,4 +1,4 @@ -/* +/* * The MIT License (MIT) * * Copyright (c) 2019 Ha Thach (tinyusb.org) @@ -274,7 +274,49 @@ bool tuh_hid_receive_report(uint8_t dev_addr, uint8_t instance) // return !usbh_edpt_busy(dev_addr, hid_itf->ep_in); //} -//void tuh_hid_send_report(uint8_t dev_addr, uint8_t instance, uint8_t report_id, uint8_t const* report, uint16_t len); +bool tuh_hid_send_report(uint8_t dev_addr, uint8_t instance, uint8_t report_id, uint8_t const* report, uint16_t len) +{ + TU_LOG2("HID Send Report %d\r\n", report_id); + + hidh_interface_t* hid_itf = get_instance(dev_addr, instance); + + if (hid_itf->ep_out == 0) + { + // This HID does not have an out endpoint (other than control) + return false; + } + else if (len > CFG_TUH_HID_EPOUT_BUFSIZE + || (report_id != 0 && len > (CFG_TUH_HID_EPOUT_BUFSIZE - 1))) + { + // ep_out buffer is not large enough to hold contents + return false; + } + + // claim endpoint + TU_VERIFY( usbh_edpt_claim(dev_addr, hid_itf->ep_out) ); + + if (report_id == 0) + { + // No report ID in transmission + memcpy(&hid_itf->epout_buf[0], report, len); + } + else + { + hid_itf->epout_buf[0] = report_id; + memcpy(&hid_itf->epout_buf[1], report, len); + ++len; // 1 more byte for report_id + } + + TU_LOG3_MEM(hid_itf->epout_buf, len, 2); + + if ( !usbh_edpt_xfer(dev_addr, hid_itf->ep_out, hid_itf->epout_buf, len) ) + { + usbh_edpt_release(dev_addr, hid_itf->ep_out); + return false; + } + + return true; +} //--------------------------------------------------------------------+ // USBH API @@ -349,7 +391,7 @@ bool hidh_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *de hidh_device_t* hid_dev = get_dev(dev_addr); TU_ASSERT(hid_dev->inst_count < CFG_TUH_HID, 0); - hidh_interface_t* hid_itf = get_instance(dev_addr, hid_dev->inst_count); + hidh_interface_t* hid_itf = get_instance(dev_addr, hid_dev->inst_count); //------------- Endpoint Descriptors -------------// p_desc = tu_desc_next(p_desc); diff --git a/src/class/hid/hid_host.h b/src/class/hid/hid_host.h index ffc601d77..e5f159ca8 100644 --- a/src/class/hid/hid_host.h +++ b/src/class/hid/hid_host.h @@ -1,4 +1,4 @@ -/* +/* * The MIT License (MIT) * * Copyright (c) 2019 Ha Thach (tinyusb.org) @@ -106,7 +106,7 @@ bool tuh_hid_receive_report(uint8_t dev_addr, uint8_t instance); // Send report using interrupt endpoint // If report_id > 0 (composite), it will be sent as 1st byte, then report contents. Otherwise only report content is sent. -//void tuh_hid_send_report(uint8_t dev_addr, uint8_t instance, uint8_t report_id, uint8_t const* report, uint16_t len); +bool tuh_hid_send_report(uint8_t dev_addr, uint8_t instance, uint8_t report_id, uint8_t const* report, uint16_t len); //--------------------------------------------------------------------+ // Callbacks (Weak is optional)