Merge pull request hathach#1889 from Tails86/master

Implemented tuh_hid_send_report

Author: hathach

examples/host/hid_controller/src/hid_app.c

@@ -91,9 +91,8 @@ typedef struct TU_ATTR_PACKED
     uint8_t counter : 6; // +1 each report
   };
 
-  // comment out since not used by this example
-  // uint8_t l2_trigger; // 0 released, 0xff fully pressed
-  // uint8_t r2_trigger; // as above
+  uint8_t l2_trigger; // 0 released, 0xff fully pressed
+  uint8_t r2_trigger; // as above
 
   //  uint16_t timestamp;
   //  uint8_t  battery;
@@ -105,15 +104,54 @@ typedef struct TU_ATTR_PACKED
 
 } sony_ds4_report_t;
 
+typedef struct TU_ATTR_PACKED {
+  // First 16 bits set what data is pertinent in this structure (1 = set; 0 = not set)
+  uint8_t set_rumble : 1;
+  uint8_t set_led : 1;
+  uint8_t set_led_blink : 1;
+  uint8_t set_ext_write : 1;
+  uint8_t set_left_volume : 1;
+  uint8_t set_right_volume : 1;
+  uint8_t set_mic_volume : 1;
+  uint8_t set_speaker_volume : 1;
+  uint8_t set_flags2;
+
+  uint8_t reserved;
+
+  uint8_t motor_right;
+  uint8_t motor_left;
+
+  uint8_t lightbar_red;
+  uint8_t lightbar_green;
+  uint8_t lightbar_blue;
+  uint8_t lightbar_blink_on;
+  uint8_t lightbar_blink_off;
+
+  uint8_t ext_data[8];
+
+  uint8_t volume_left;
+  uint8_t volume_right;
+  uint8_t volume_mic;
+  uint8_t volume_speaker;
+
+  uint8_t other[9];
+} sony_ds4_output_report_t;
+
+static bool ds4_mounted = false;
+static uint8_t ds4_dev_addr = 0;
+static uint8_t ds4_instance = 0;
+static uint8_t motor_left = 0;
+static uint8_t motor_right = 0;
+
 // check if device is Sony DualShock 4
 static inline bool is_sony_ds4(uint8_t dev_addr)
 {
   uint16_t vid, pid;
   tuh_vid_pid_get(dev_addr, &vid, &pid);
 
-  return ( (vid == 0x054c && (pid == 0x09cc || pid == 0x05c4)) // Sony DualShock4 
-           || (vid == 0x0f0d && pid == 0x005e)                 // Hori FC4 
-           || (vid == 0x0f0d && pid == 0x00ee)                 // Hori PS4 Mini (PS4-099U) 
+  return ( (vid == 0x054c && (pid == 0x09cc || pid == 0x05c4)) // Sony DualShock4
+           || (vid == 0x0f0d && pid == 0x005e)                 // Hori FC4
+           || (vid == 0x0f0d && pid == 0x00ee)                 // Hori PS4 Mini (PS4-099U)
            || (vid == 0x1f4f && pid == 0x1002)                 // ASW GG xrd controller
          );
 }
@@ -124,7 +162,23 @@ static inline bool is_sony_ds4(uint8_t dev_addr)
 
 void hid_app_task(void)
 {
-  // nothing to do
+  if (ds4_mounted)
+  {
+    const uint32_t interval_ms = 200;
+    static uint32_t start_ms = 0;
+
+    uint32_t current_time_ms = board_millis();
+    if ( current_time_ms - start_ms >= interval_ms)
+    {
+      start_ms = current_time_ms;
+
+      sony_ds4_output_report_t output_report = {0};
+      output_report.set_rumble = 1;
+      output_report.motor_left = motor_left;
+      output_report.motor_right = motor_right;
+      tuh_hid_send_report(ds4_dev_addr, ds4_instance, 5, &output_report, sizeof(output_report));
+    }
+  }
 }
 
 //--------------------------------------------------------------------+
@@ -149,6 +203,14 @@ void tuh_hid_mount_cb(uint8_t dev_addr, uint8_t instance, uint8_t const* desc_re
   // Sony DualShock 4 [CUH-ZCT2x]
   if ( is_sony_ds4(dev_addr) )
   {
+    if (!ds4_mounted)
+    {
+      ds4_dev_addr = dev_addr;
+      ds4_instance = instance;
+      motor_left = 0;
+      motor_right = 0;
+      ds4_mounted = true;
+    }
     // request to receive report
     // tuh_hid_report_received_cb() will be invoked when report is available
     if ( !tuh_hid_receive_report(dev_addr, instance) )
@@ -162,6 +224,10 @@ void tuh_hid_mount_cb(uint8_t dev_addr, uint8_t instance, uint8_t const* desc_re
 void tuh_hid_umount_cb(uint8_t dev_addr, uint8_t instance)
 {
   printf("HID device address = %d, instance = %d is unmounted\r\n", dev_addr, instance);
+  if (ds4_mounted && ds4_dev_addr == dev_addr && ds4_instance == instance)
+  {
+    ds4_mounted = false;
+  }
 }
 
 // check if different than 2
@@ -179,8 +245,8 @@ bool diff_report(sony_ds4_report_t const* rpt1, sony_ds4_report_t const* rpt2)
   result = diff_than_2(rpt1->x, rpt2->x) || diff_than_2(rpt1->y , rpt2->y ) ||
            diff_than_2(rpt1->z, rpt2->z) || diff_than_2(rpt1->rz, rpt2->rz);
 
-  // check the reset with mem compare
-  result |= memcmp(&rpt1->rz + 1, &rpt2->rz + 1, sizeof(sony_ds4_report_t)-4);
+  // check the rest with mem compare
+  result |= memcmp(&rpt1->rz + 1, &rpt2->rz + 1, sizeof(sony_ds4_report_t)-6);
 
   return result;
 }
@@ -234,6 +300,10 @@ void process_sony_ds4(uint8_t const* report, uint16_t len)
       printf("\r\n");
     }
 
+    // The left and right triggers control the intensity of the left and right rumble motors
+    motor_left = ds4_report.l2_trigger;
+    motor_right = ds4_report.r2_trigger;
+
     prev_report = ds4_report;
   }
 }

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, const void* 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);

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, const void* report, uint16_t len);
 
 //--------------------------------------------------------------------+
 // Callbacks (Weak is optional)