Merge branch 'master' of https://github.com/hathach/tinyusb into bsp_412

1 files changed, 419 insertions, 0 deletions

diff --git a/examples/host/bare_api/src/main.c b/examples/host/bare_api/src/main.c
new file mode 100644
index 000000000..51cab2de0
--- /dev/null
+++ b/examples/host/bare_api/src/main.c
@@ -0,0 +1,419 @@
+/* 
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 Ha Thach (tinyusb.org)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ */
+
+/* This example current worked and tested with following controller
+ * - Sony DualShock 4 [CUH-ZCT2x] VID = 0x054c, PID = 0x09cc
+ */
+
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "bsp/board.h"
+#include "tusb.h"
+
+// English
+#define LANGUAGE_ID 0x0409
+#define BUF_COUNT   4
+
+
+tusb_desc_device_t desc_device;
+
+uint8_t buf_pool[BUF_COUNT][64];
+uint8_t buf_owner[BUF_COUNT] = { 0 }; // device address that owns buffer
+
+//--------------------------------------------------------------------+
+// MACRO CONSTANT TYPEDEF PROTYPES
+//--------------------------------------------------------------------+
+void led_blinking_task(void);
+
+static void print_utf16(uint16_t *temp_buf, size_t buf_len);
+void print_device_descriptor(tuh_xfer_t* xfer);
+void parse_config_descriptor(uint8_t dev_addr, tusb_desc_configuration_t const* desc_cfg);
+
+uint8_t* get_hid_buf(uint8_t daddr);
+void free_hid_buf(uint8_t daddr);
+
+/*------------- MAIN -------------*/
+int main(void)
+{
+  board_init();
+
+  printf("TinyUSB Bare API Example\r\n");
+
+  // init host stack on configured roothub port
+  tuh_init(BOARD_TUH_RHPORT);
+
+  while (1)
+  {
+    // tinyusb host task
+    tuh_task();
+    led_blinking_task();
+  }
+
+  return 0;
+}
+
+/*------------- TinyUSB Callbacks -------------*/
+
+// Invoked when device is mounted (configured)
+void tuh_mount_cb (uint8_t daddr)
+{
+  printf("Device attached, address = %d\r\n", daddr);
+
+  // Get Device Descriptor
+  // TODO: invoking control transfer now has issue with mounting hub with multiple devices attached, fix later
+  tuh_descriptor_get_device(daddr, &desc_device, 18, print_device_descriptor, 0);
+}
+
+/// Invoked when device is unmounted (bus reset/unplugged)
+void tuh_umount_cb(uint8_t daddr)
+{
+  printf("Device removed, address = %d\r\n", daddr);
+  free_hid_buf(daddr);
+}
+
+//--------------------------------------------------------------------+
+// Device Descriptor
+//--------------------------------------------------------------------+
+
+void print_device_descriptor(tuh_xfer_t* xfer)
+{
+  if ( XFER_RESULT_SUCCESS != xfer->result )
+  {
+    printf("Failed to get device descriptor\r\n");
+    return;
+  }
+
+  uint8_t const daddr = xfer->daddr;
+
+  printf("Device %u: ID %04x:%04x\r\n", daddr, desc_device.idVendor, desc_device.idProduct);
+  printf("Device Descriptor:\r\n");
+  printf("  bLength             %u\r\n"     , desc_device.bLength);
+  printf("  bDescriptorType     %u\r\n"     , desc_device.bDescriptorType);
+  printf("  bcdUSB              %04x\r\n"   , desc_device.bcdUSB);
+  printf("  bDeviceClass        %u\r\n"     , desc_device.bDeviceClass);
+  printf("  bDeviceSubClass     %u\r\n"     , desc_device.bDeviceSubClass);
+  printf("  bDeviceProtocol     %u\r\n"     , desc_device.bDeviceProtocol);
+  printf("  bMaxPacketSize0     %u\r\n"     , desc_device.bMaxPacketSize0);
+  printf("  idVendor            0x%04x\r\n" , desc_device.idVendor);
+  printf("  idProduct           0x%04x\r\n" , desc_device.idProduct);
+  printf("  bcdDevice           %04x\r\n"   , desc_device.bcdDevice);
+
+  // Get String descriptor using Sync API
+  uint16_t temp_buf[128];
+
+  printf("  iManufacturer       %u     "     , desc_device.iManufacturer);
+  if (XFER_RESULT_SUCCESS == tuh_descriptor_get_manufacturer_string_sync(daddr, LANGUAGE_ID, temp_buf, sizeof(temp_buf)) )
+  {
+    print_utf16(temp_buf, TU_ARRAY_SIZE(temp_buf));
+  }
+  printf("\r\n");
+
+  printf("  iProduct            %u     "     , desc_device.iProduct);
+  if (XFER_RESULT_SUCCESS == tuh_descriptor_get_product_string_sync(daddr, LANGUAGE_ID, temp_buf, sizeof(temp_buf)))
+  {
+    print_utf16(temp_buf, TU_ARRAY_SIZE(temp_buf));
+  }
+  printf("\r\n");
+
+  printf("  iSerialNumber       %u     "     , desc_device.iSerialNumber);
+  if (XFER_RESULT_SUCCESS == tuh_descriptor_get_serial_string_sync(daddr, LANGUAGE_ID, temp_buf, sizeof(temp_buf)))
+  {
+    print_utf16(temp_buf, TU_ARRAY_SIZE(temp_buf));
+  }
+  printf("\r\n");
+
+  printf("  bNumConfigurations  %u\r\n"     , desc_device.bNumConfigurations);
+
+  // Get configuration descriptor with sync API
+  if (XFER_RESULT_SUCCESS == tuh_descriptor_get_configuration_sync(daddr, 0, temp_buf, sizeof(temp_buf)))
+  {
+    parse_config_descriptor(daddr, (tusb_desc_configuration_t*) temp_buf);
+  }
+}
+
+//--------------------------------------------------------------------+
+// Configuration Descriptor
+//--------------------------------------------------------------------+
+
+// count total length of an interface
+uint16_t count_interface_total_len(tusb_desc_interface_t const* desc_itf, uint8_t itf_count, uint16_t max_len);
+
+void open_hid_interface(uint8_t daddr, tusb_desc_interface_t const *desc_itf, uint16_t max_len);
+
+// simple configuration parser to open and listen to HID Endpoint IN
+void parse_config_descriptor(uint8_t dev_addr, tusb_desc_configuration_t const* desc_cfg)
+{
+  uint8_t const* desc_end = ((uint8_t const*) desc_cfg) + tu_le16toh(desc_cfg->wTotalLength);
+  uint8_t const* p_desc   = tu_desc_next(desc_cfg);
+
+  // parse each interfaces
+  while( p_desc < desc_end )
+  {
+    uint8_t assoc_itf_count = 1;
+
+    // Class will always starts with Interface Association (if any) and then Interface descriptor
+    if ( TUSB_DESC_INTERFACE_ASSOCIATION == tu_desc_type(p_desc) )
+    {
+      tusb_desc_interface_assoc_t const * desc_iad = (tusb_desc_interface_assoc_t const *) p_desc;
+      assoc_itf_count = desc_iad->bInterfaceCount;
+
+      p_desc = tu_desc_next(p_desc); // next to Interface
+    }
+
+    // must be interface from now
+    if( TUSB_DESC_INTERFACE != tu_desc_type(p_desc) ) return;
+    tusb_desc_interface_t const* desc_itf = (tusb_desc_interface_t const*) p_desc;
+
+    uint16_t const drv_len = count_interface_total_len(desc_itf, assoc_itf_count, (uint16_t) (desc_end-p_desc));
+
+    // probably corrupted descriptor
+    if(drv_len < sizeof(tusb_desc_interface_t)) return;
+
+    // only open and listen to HID endpoint IN
+    if (desc_itf->bInterfaceClass == TUSB_CLASS_HID)
+    {
+      open_hid_interface(dev_addr, desc_itf, drv_len);
+    }
+
+    // next Interface or IAD descriptor
+    p_desc += drv_len;
+  }
+}
+
+uint16_t count_interface_total_len(tusb_desc_interface_t const* desc_itf, uint8_t itf_count, uint16_t max_len)
+{
+  uint8_t const* p_desc = (uint8_t const*) desc_itf;
+  uint16_t len = 0;
+
+  while (itf_count--)
+  {
+    // Next on interface desc
+    len += tu_desc_len(desc_itf);
+    p_desc = tu_desc_next(p_desc);
+
+    while (len < max_len)
+    {
+      // return on IAD regardless of itf count
+      if ( tu_desc_type(p_desc) == TUSB_DESC_INTERFACE_ASSOCIATION ) return len;
+
+      if ( (tu_desc_type(p_desc) == TUSB_DESC_INTERFACE) &&
+           ((tusb_desc_interface_t const*) p_desc)->bAlternateSetting == 0 )
+      {
+        break;
+      }
+
+      len += tu_desc_len(p_desc);
+      p_desc = tu_desc_next(p_desc);
+    }
+  }
+
+  return len;
+}
+
+//--------------------------------------------------------------------+
+// HID Interface
+//--------------------------------------------------------------------+
+
+void hid_report_received(tuh_xfer_t* xfer);
+
+void open_hid_interface(uint8_t daddr, tusb_desc_interface_t const *desc_itf, uint16_t max_len)
+{
+  // len = interface + hid + n*endpoints
+  uint16_t const drv_len = (uint16_t) (sizeof(tusb_desc_interface_t) + sizeof(tusb_hid_descriptor_hid_t) +
+                                       desc_itf->bNumEndpoints * sizeof(tusb_desc_endpoint_t));
+
+  // corrupted descriptor
+  if (max_len < drv_len) return;
+
+  uint8_t const *p_desc = (uint8_t const *) desc_itf;
+
+  // HID descriptor
+  p_desc = tu_desc_next(p_desc);
+  tusb_hid_descriptor_hid_t const *desc_hid = (tusb_hid_descriptor_hid_t const *) p_desc;
+  if(HID_DESC_TYPE_HID != desc_hid->bDescriptorType) return;
+
+  // Endpoint descriptor
+  p_desc = tu_desc_next(p_desc);
+  tusb_desc_endpoint_t const * desc_ep = (tusb_desc_endpoint_t const *) p_desc;
+
+  for(int i = 0; i < desc_itf->bNumEndpoints; i++)
+  {
+    if (TUSB_DESC_ENDPOINT != desc_ep->bDescriptorType) return;
+
+    if(tu_edpt_dir(desc_ep->bEndpointAddress) == TUSB_DIR_IN)
+    {
+      // skip if failed to open endpoint
+      if ( ! tuh_edpt_open(daddr, desc_ep) ) return;
+
+      uint8_t* buf = get_hid_buf(daddr);
+      if (!buf) return; // out of memory
+
+      tuh_xfer_t xfer =
+      {
+        .daddr       = daddr,
+        .ep_addr     = desc_ep->bEndpointAddress,
+        .buflen      = 64,
+        .buffer      = buf,
+        .complete_cb = hid_report_received,
+        .user_data   = (uintptr_t) buf, // since buffer is not available in callback, use user data to store the buffer
+      };
+
+      // submit transfer for this EP
+      tuh_edpt_xfer(&xfer);
+
+      printf("Listen to [dev %u: ep %02x]\r\n", daddr, desc_ep->bEndpointAddress);
+    }
+
+    p_desc = tu_desc_next(p_desc);
+    desc_ep = (tusb_desc_endpoint_t const *) p_desc;
+  }
+}
+
+void hid_report_received(tuh_xfer_t* xfer)
+{
+  // Note: not all field in xfer is available for use (i.e filled by tinyusb stack) in callback to save sram
+  // For instance, xfer->buffer is NULL. We have used user_data to store buffer when submitted callback
+  uint8_t* buf = (uint8_t*) xfer->user_data;
+
+  if (xfer->result == XFER_RESULT_SUCCESS)
+  {
+    printf("[dev %u: ep %02x] HID Report:", xfer->daddr, xfer->ep_addr);
+    for(uint32_t i=0; i<xfer->actual_len; i++)
+    {
+      if (i%16 == 0) printf("\r\n  ");
+      printf("%02X ", buf[i]);
+    }
+    printf("\r\n");
+  }
+
+  // continue to submit transfer, with updated buffer
+  // other field remain the same
+  xfer->buflen = 64;
+  xfer->buffer = buf;
+
+  tuh_edpt_xfer(xfer);
+}
+
+//--------------------------------------------------------------------+
+// Buffer helper
+//--------------------------------------------------------------------+
+
+// get an buffer from pool
+uint8_t* get_hid_buf(uint8_t daddr)
+{
+  for(size_t i=0; i<BUF_COUNT; i++)
+  {
+    if (buf_owner[i] == 0)
+    {
+      buf_owner[i] = daddr;
+      return buf_pool[i];
+    }
+  }
+
+  // out of memory, increase BUF_COUNT
+  return NULL;
+}
+
+// free all buffer owned by device
+void free_hid_buf(uint8_t daddr)
+{
+  for(size_t i=0; i<BUF_COUNT; i++)
+  {
+    if (buf_owner[i] == daddr) buf_owner[i] = 0;
+  }
+}
+
+//--------------------------------------------------------------------+
+// Blinking Task
+//--------------------------------------------------------------------+
+void led_blinking_task(void)
+{
+  const uint32_t interval_ms = 1000;
+  static uint32_t start_ms = 0;
+
+  static bool led_state = false;
+
+  // Blink every interval ms
+  if ( board_millis() - start_ms < interval_ms) return; // not enough time
+  start_ms += interval_ms;
+
+  board_led_write(led_state);
+  led_state = 1 - led_state; // toggle
+}
+
+//--------------------------------------------------------------------+
+// String Descriptor Helper
+//--------------------------------------------------------------------+
+
+static void _convert_utf16le_to_utf8(const uint16_t *utf16, size_t utf16_len, uint8_t *utf8, size_t utf8_len) {
+    // TODO: Check for runover.
+    (void)utf8_len;
+    // Get the UTF-16 length out of the data itself.
+
+    for (size_t i = 0; i < utf16_len; i++) {
+        uint16_t chr = utf16[i];
+        if (chr < 0x80) {
+            *utf8++ = chr & 0xffu;
+        } else if (chr < 0x800) {
+            *utf8++ = (uint8_t)(0xC0 | (chr >> 6 & 0x1F));
+            *utf8++ = (uint8_t)(0x80 | (chr >> 0 & 0x3F));
+        } else {
+            // TODO: Verify surrogate.
+            *utf8++ = (uint8_t)(0xE0 | (chr >> 12 & 0x0F));
+            *utf8++ = (uint8_t)(0x80 | (chr >> 6 & 0x3F));
+            *utf8++ = (uint8_t)(0x80 | (chr >> 0 & 0x3F));
+        }
+        // TODO: Handle UTF-16 code points that take two entries.
+    }
+}
+
+// Count how many bytes a utf-16-le encoded string will take in utf-8.
+static int _count_utf8_bytes(const uint16_t *buf, size_t len) {
+    size_t total_bytes = 0;
+    for (size_t i = 0; i < len; i++) {
+        uint16_t chr = buf[i];
+        if (chr < 0x80) {
+            total_bytes += 1;
+        } else if (chr < 0x800) {
+            total_bytes += 2;
+        } else {
+            total_bytes += 3;
+        }
+        // TODO: Handle UTF-16 code points that take two entries.
+    }
+    return (int) total_bytes;
+}
+
+static void print_utf16(uint16_t *temp_buf, size_t buf_len) {
+    size_t utf16_len = ((temp_buf[0] & 0xff) - 2) / sizeof(uint16_t);
+    size_t utf8_len = (size_t) _count_utf8_bytes(temp_buf + 1, utf16_len);
+    _convert_utf16le_to_utf8(temp_buf + 1, utf16_len, (uint8_t *) temp_buf, sizeof(uint16_t) * buf_len);
+    ((uint8_t*) temp_buf)[utf8_len] = '\0';
+
+    printf((char*)temp_buf);
+}