Squashed 'tmk_core/' changes from 7967731..b9e0ea0

b9e0ea0 Merge commit '7fa9d8bdea3773d1195b04d98fcf27cf48ddd81d' as 'tool/mbed/mbed-sdk'
7fa9d8b Squashed 'tool/mbed/mbed-sdk/' content from commit 7c21ce5

git-subtree-dir: tmk_core
git-subtree-split: b9e0ea08cb940de20b3610ecdda18e9d8cd7c552

74 files changed, 31660 insertions, 0 deletions

diff --git a/tool/mbed/mbed-sdk/libraries/USBDevice/USBAudio/USBAudio.cpp b/tool/mbed/mbed-sdk/libraries/USBDevice/USBAudio/USBAudio.cpp
new file mode 100644
index 0000000000..aab9e774e3
--- /dev/null
+++ b/tool/mbed/mbed-sdk/libraries/USBDevice/USBAudio/USBAudio.cpp
@@ -0,0 +1,618 @@
+/* Copyright (c) 2010-2011 mbed.org, MIT License
+*
+* 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.
+*/
+
+#include "stdint.h"
+#include "USBAudio.h"
+#include "USBAudio_Types.h"
+
+
+
+USBAudio::USBAudio(uint32_t frequency_in, uint8_t channel_nb_in, uint32_t frequency_out, uint8_t channel_nb_out, uint16_t vendor_id, uint16_t product_id, uint16_t product_release): USBDevice(vendor_id, product_id, product_release) {
+    mute = 0;
+    volCur = 0x0080;
+    volMin = 0x0000;
+    volMax = 0x0100;
+    volRes = 0x0004;
+    available = false;
+
+    FREQ_IN = frequency_in;
+    FREQ_OUT = frequency_out;
+
+    this->channel_nb_in = channel_nb_in;
+    this->channel_nb_out = channel_nb_out;
+
+    // stereo -> *2, mono -> *1
+    PACKET_SIZE_ISO_IN = (FREQ_IN / 500) * channel_nb_in;
+    PACKET_SIZE_ISO_OUT = (FREQ_OUT / 500) * channel_nb_out;
+
+    // STEREO -> left and right
+    channel_config_in = (channel_nb_in == 1) ? CHANNEL_M : CHANNEL_L + CHANNEL_R;
+    channel_config_out = (channel_nb_out == 1) ? CHANNEL_M : CHANNEL_L + CHANNEL_R;
+
+    SOF_handler = false;
+
+    buf_stream_out = NULL;
+    buf_stream_in = NULL;
+
+    interruptOUT = false;
+    writeIN = false;
+    interruptIN = false;
+    available = false;
+
+    volume = 0;
+
+    // connect the device
+    USBDevice::connect();
+}
+
+bool USBAudio::read(uint8_t * buf) {
+    buf_stream_in = buf;
+    SOF_handler = false;
+    while (!available || !SOF_handler);
+    available = false;
+    return true;
+}
+
+bool USBAudio::readNB(uint8_t * buf) {
+    buf_stream_in = buf;
+    SOF_handler = false;
+    while (!SOF_handler);
+    if (available) {
+        available = false;
+        buf_stream_in = NULL;
+        return true;
+    }
+    return false;
+}
+
+bool USBAudio::readWrite(uint8_t * buf_read, uint8_t * buf_write) {
+    buf_stream_in = buf_read;
+    SOF_handler = false;
+    writeIN = false;
+    if (interruptIN) {
+        USBDevice::writeNB(EP3IN, buf_write, PACKET_SIZE_ISO_OUT, PACKET_SIZE_ISO_OUT);
+    } else {
+        buf_stream_out = buf_write;
+    }
+    while (!available);
+    if (interruptIN) {
+        while (!writeIN);
+    }
+    while (!SOF_handler);
+    return true;
+}
+
+
+bool USBAudio::write(uint8_t * buf) {
+    writeIN = false;
+    SOF_handler = false;
+    if (interruptIN) {
+        USBDevice::writeNB(EP3IN, buf, PACKET_SIZE_ISO_OUT, PACKET_SIZE_ISO_OUT);
+    } else {
+        buf_stream_out = buf;
+    }
+    while (!SOF_handler);
+    if (interruptIN) {
+        while (!writeIN);
+    }
+    return true;
+}
+
+
+float USBAudio::getVolume() {
+    return (mute) ? 0.0 : volume;
+}
+
+
+bool USBAudio::EPISO_OUT_callback() {
+    uint32_t size = 0;
+    interruptOUT = true;
+    if (buf_stream_in != NULL) {
+        readEP(EP3OUT, (uint8_t *)buf_stream_in, &size, PACKET_SIZE_ISO_IN);
+        available = true;
+        buf_stream_in = NULL;
+    }
+    readStart(EP3OUT, PACKET_SIZE_ISO_IN);
+    return false;
+}
+
+
+bool USBAudio::EPISO_IN_callback() {
+    interruptIN = true;
+    writeIN = true;
+    return true;
+}
+
+
+
+// Called in ISR context on each start of frame
+void USBAudio::SOF(int frameNumber) {
+    uint32_t size = 0;
+
+    if (!interruptOUT) {
+        // read the isochronous endpoint
+        if (buf_stream_in != NULL) {
+            if (USBDevice::readEP_NB(EP3OUT, (uint8_t *)buf_stream_in, &size, PACKET_SIZE_ISO_IN)) {
+                if (size) {
+                    available = true;
+                    readStart(EP3OUT, PACKET_SIZE_ISO_IN);
+                    buf_stream_in = NULL;
+                }
+            }
+        }
+    }
+
+    if (!interruptIN) {
+        // write if needed
+        if (buf_stream_out != NULL) {
+            USBDevice::writeNB(EP3IN, (uint8_t *)buf_stream_out, PACKET_SIZE_ISO_OUT, PACKET_SIZE_ISO_OUT);
+            buf_stream_out = NULL;
+        }
+    }
+
+    SOF_handler = true;
+}
+
+
+// Called in ISR context
+// Set configuration. Return false if the configuration is not supported.
+bool USBAudio::USBCallback_setConfiguration(uint8_t configuration) {
+    if (configuration != DEFAULT_CONFIGURATION) {
+        return false;
+    }
+
+    // Configure isochronous endpoint
+    realiseEndpoint(EP3OUT, PACKET_SIZE_ISO_IN, ISOCHRONOUS);
+    realiseEndpoint(EP3IN, PACKET_SIZE_ISO_OUT, ISOCHRONOUS);
+
+    // activate readings on this endpoint
+    readStart(EP3OUT, PACKET_SIZE_ISO_IN);
+    return true;
+}
+
+
+// Called in ISR context
+// Set alternate setting. Return false if the alternate setting is not supported
+bool USBAudio::USBCallback_setInterface(uint16_t interface, uint8_t alternate) {
+    if (interface == 0 && alternate == 0) {
+        return true;
+    }
+    if (interface == 1 && (alternate == 0 || alternate == 1)) {
+        return true;
+    }
+    if (interface == 2 && (alternate == 0 || alternate == 1)) {
+        return true;
+    }
+    return false;
+}
+
+
+
+// Called in ISR context
+// Called by USBDevice on Endpoint0 request
+// This is used to handle extensions to standard requests and class specific requests.
+// Return true if class handles this request
+bool USBAudio::USBCallback_request() {
+    bool success = false;
+    CONTROL_TRANSFER * transfer = getTransferPtr();
+
+    // Process class-specific requests
+    if (transfer->setup.bmRequestType.Type == CLASS_TYPE) {
+
+        // Feature Unit: Interface = 0, ID = 2
+        if (transfer->setup.wIndex == 0x0200) {
+
+            // Master Channel
+            if ((transfer->setup.wValue & 0xff) == 0) {
+
+                switch (transfer->setup.wValue >> 8) {
+                    case MUTE_CONTROL:
+                        switch (transfer->setup.bRequest) {
+                            case REQUEST_GET_CUR:
+                                transfer->remaining = 1;
+                                transfer->ptr = &mute;
+                                transfer->direction = DEVICE_TO_HOST;
+                                success = true;
+                                break;
+
+                            case REQUEST_SET_CUR:
+                                transfer->remaining = 1;
+                                transfer->notify = true;
+                                transfer->direction = HOST_TO_DEVICE;
+                                success = true;
+                                break;
+                            default:
+                                break;
+                        }
+                        break;
+                    case VOLUME_CONTROL:
+                        switch (transfer->setup.bRequest) {
+                            case REQUEST_GET_CUR:
+                                transfer->remaining = 2;
+                                transfer->ptr = (uint8_t *)&volCur;
+                                transfer->direction = DEVICE_TO_HOST;
+                                success = true;
+                                break;
+                            case REQUEST_GET_MIN:
+                                transfer->remaining = 2;
+                                transfer->ptr = (uint8_t *)&volMin;
+                                transfer->direction = DEVICE_TO_HOST;
+                                success = true;
+                                break;
+                            case REQUEST_GET_MAX:
+                                transfer->remaining = 2;
+                                transfer->ptr = (uint8_t *)&volMax;
+                                transfer->direction = DEVICE_TO_HOST;
+                                success = true;
+                                break;
+                            case REQUEST_GET_RES:
+                                transfer->remaining = 2;
+                                transfer->ptr = (uint8_t *)&volRes;
+                                transfer->direction = DEVICE_TO_HOST;
+                                success = true;
+                                break;
+
+                            case REQUEST_SET_CUR:
+                                transfer->remaining = 2;
+                                transfer->notify = true;
+                                transfer->direction = HOST_TO_DEVICE;
+                                success = true;
+                                break;
+                            case REQUEST_SET_MIN:
+                                transfer->remaining = 2;
+                                transfer->notify = true;
+                                transfer->direction = HOST_TO_DEVICE;
+                                success = true;
+                                break;
+                            case REQUEST_SET_MAX:
+                                transfer->remaining = 2;
+                                transfer->notify = true;
+                                transfer->direction = HOST_TO_DEVICE;
+                                success = true;
+                                break;
+                            case REQUEST_SET_RES:
+                                transfer->remaining = 2;
+                                transfer->notify = true;
+                                transfer->direction = HOST_TO_DEVICE;
+                                success = true;
+                                break;
+                        }
+                        break;
+                    default:
+                        break;
+                }
+            }
+        }
+    }
+    return success;
+}
+
+
+// Called in ISR context when a data OUT stage has been performed
+void USBAudio::USBCallback_requestCompleted(uint8_t * buf, uint32_t length) {
+    if ((length == 1) || (length == 2)) {
+        uint16_t data = (length == 1) ? *buf : *((uint16_t *)buf);
+        CONTROL_TRANSFER * transfer = getTransferPtr();
+        switch (transfer->setup.wValue >> 8) {
+            case MUTE_CONTROL:
+                switch (transfer->setup.bRequest) {
+                    case REQUEST_SET_CUR:
+                        mute = data & 0xff;
+                        updateVol.call();
+                        break;
+                    default:
+                        break;
+                }
+                break;
+            case VOLUME_CONTROL:
+                switch (transfer->setup.bRequest) {
+                    case REQUEST_SET_CUR:
+                        volCur = data;
+                        volume = (float)volCur/(float)volMax;