Suga koubou
Dependencies: ChaNFSSD mbed ChaNFS
USBMSC.cpp@1:efbcfbae4747, 2011-11-10 (annotated)
- Committer:
- okini3939
- Date:
- Thu Nov 10 03:20:42 2011 +0000
- Revision:
- 1:efbcfbae4747
- Parent:
- 0:02c293160df3
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| okini3939 | 0:02c293160df3 | 1 | // USB_MIDI.cpp |
| okini3939 | 0:02c293160df3 | 2 | // MIDI edvice example |
| okini3939 | 0:02c293160df3 | 3 | // Copyright (c) 2011 ARM Limited. All rights reserved. |
| okini3939 | 0:02c293160df3 | 4 | |
| okini3939 | 0:02c293160df3 | 5 | //#define DEBUG |
| okini3939 | 0:02c293160df3 | 6 | #include "dbg.h" |
| okini3939 | 0:02c293160df3 | 7 | #include "stdint.h" |
| okini3939 | 0:02c293160df3 | 8 | #include "USBMSC.h" |
| okini3939 | 0:02c293160df3 | 9 | #include "USBBusInterface.h" |
| okini3939 | 0:02c293160df3 | 10 | #include "USBDevice.h" |
| okini3939 | 0:02c293160df3 | 11 | #include "USBDevice_Types.h" |
| okini3939 | 0:02c293160df3 | 12 | |
| okini3939 | 0:02c293160df3 | 13 | void USBMSC::setTransferData (uint8_t *buf, int len) { |
| okini3939 | 0:02c293160df3 | 14 | CONTROL_TRANSFER *transfer = getTransferPtr(); |
| okini3939 | 0:02c293160df3 | 15 | transfer->remaining = len; |
| okini3939 | 0:02c293160df3 | 16 | transfer->ptr = buf; |
| okini3939 | 0:02c293160df3 | 17 | transfer->direction = DEVICE_TO_HOST; |
| okini3939 | 0:02c293160df3 | 18 | } |
| okini3939 | 0:02c293160df3 | 19 | |
| okini3939 | 0:02c293160df3 | 20 | void USBMSC::attach(void (*fptr)(uint8_t)) { |
| okini3939 | 0:02c293160df3 | 21 | msc_evt = fptr; |
| okini3939 | 0:02c293160df3 | 22 | } |
| okini3939 | 0:02c293160df3 | 23 | |
| okini3939 | 0:02c293160df3 | 24 | USBMSC::USBMSC(uint16_t vendor_id, uint16_t product_id, uint16_t product_release): USBDevice(vendor_id, product_id, product_release) { |
| okini3939 | 0:02c293160df3 | 25 | msc_evt = NULL; |
| okini3939 | 0:02c293160df3 | 26 | } |
| okini3939 | 0:02c293160df3 | 27 | |
| okini3939 | 0:02c293160df3 | 28 | bool USBMSC::EPBULK_OUT_callback() { |
| okini3939 | 0:02c293160df3 | 29 | |
| okini3939 | 0:02c293160df3 | 30 | if (msc_evt && ! getEndpointStallState(EPBULK_OUT)) { |
| okini3939 | 0:02c293160df3 | 31 | msc_evt(EPBULK_OUT); |
| okini3939 | 0:02c293160df3 | 32 | } |
| okini3939 | 0:02c293160df3 | 33 | |
| okini3939 | 0:02c293160df3 | 34 | // We reactivate the endpoint to receive next characters |
| okini3939 | 0:02c293160df3 | 35 | readStart(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK); |
| okini3939 | 0:02c293160df3 | 36 | DBG("EPBULK_OUT_callback\r\n"); |
| okini3939 | 0:02c293160df3 | 37 | return true; |
| okini3939 | 0:02c293160df3 | 38 | } |
| okini3939 | 0:02c293160df3 | 39 | |
| okini3939 | 0:02c293160df3 | 40 | bool USBMSC::EPBULK_IN_callback() { |
| okini3939 | 0:02c293160df3 | 41 | DBG("EPBULK_IN_callback\r\n"); |
| okini3939 | 0:02c293160df3 | 42 | |
| okini3939 | 0:02c293160df3 | 43 | if (msc_evt && ! getEndpointStallState(EPBULK_IN)) { |
| okini3939 | 0:02c293160df3 | 44 | msc_evt(EPBULK_IN); |
| okini3939 | 0:02c293160df3 | 45 | } |
| okini3939 | 0:02c293160df3 | 46 | |
| okini3939 | 0:02c293160df3 | 47 | return false; |
| okini3939 | 0:02c293160df3 | 48 | } |
| okini3939 | 0:02c293160df3 | 49 | |
| okini3939 | 0:02c293160df3 | 50 | bool USBMSC::USBCallback_request () { |
| okini3939 | 0:02c293160df3 | 51 | bool success = false; |
| okini3939 | 0:02c293160df3 | 52 | CONTROL_TRANSFER *transfer = getTransferPtr(); |
| okini3939 | 0:02c293160df3 | 53 | |
| okini3939 | 0:02c293160df3 | 54 | DBG("USBCallback_request: type %x, request %x\r\n", transfer->setup.bmRequestType.Type, transfer->setup.bRequest); |
| okini3939 | 0:02c293160df3 | 55 | /* Process standard requests */ |
| okini3939 | 0:02c293160df3 | 56 | if ((transfer->setup.bmRequestType.Type == STANDARD_TYPE)) |
| okini3939 | 0:02c293160df3 | 57 | { |
| okini3939 | 0:02c293160df3 | 58 | switch (transfer->setup.bRequest) |
| okini3939 | 0:02c293160df3 | 59 | { |
| okini3939 | 0:02c293160df3 | 60 | default: |
| okini3939 | 0:02c293160df3 | 61 | break; |
| okini3939 | 0:02c293160df3 | 62 | } |
| okini3939 | 0:02c293160df3 | 63 | } |
| okini3939 | 0:02c293160df3 | 64 | |
| okini3939 | 0:02c293160df3 | 65 | if (transfer->setup.bmRequestType.Type == CLASS_TYPE) |
| okini3939 | 0:02c293160df3 | 66 | { |
| okini3939 | 0:02c293160df3 | 67 | switch (transfer->setup.bRequest) |
| okini3939 | 0:02c293160df3 | 68 | { |
| okini3939 | 0:02c293160df3 | 69 | case 0xFE: // MSC get max LUN |
| okini3939 | 0:02c293160df3 | 70 | static uint8_t dummy[] = {0}; |
| okini3939 | 0:02c293160df3 | 71 | transfer->remaining = 1; |
| okini3939 | 0:02c293160df3 | 72 | transfer->ptr = dummy; |
| okini3939 | 0:02c293160df3 | 73 | transfer->direction = DEVICE_TO_HOST; |
| okini3939 | 0:02c293160df3 | 74 | success = true; |
| okini3939 | 0:02c293160df3 | 75 | break; |
| okini3939 | 0:02c293160df3 | 76 | case 0xFF: // MSC reset |
| okini3939 | 0:02c293160df3 | 77 | if (transfer->setup.wLength == 0) { |
| okini3939 | 0:02c293160df3 | 78 | if (msc_evt) { |
| okini3939 | 0:02c293160df3 | 79 | msc_evt(0xFF); |
| okini3939 | 0:02c293160df3 | 80 | } |
| okini3939 | 0:02c293160df3 | 81 | success = true; |
| okini3939 | 0:02c293160df3 | 82 | } |
| okini3939 | 0:02c293160df3 | 83 | break; |
| okini3939 | 0:02c293160df3 | 84 | default: |
| okini3939 | 0:02c293160df3 | 85 | break; |
| okini3939 | 0:02c293160df3 | 86 | } |
| okini3939 | 0:02c293160df3 | 87 | } |
| okini3939 | 0:02c293160df3 | 88 | |
| okini3939 | 0:02c293160df3 | 89 | return success; |
| okini3939 | 0:02c293160df3 | 90 | } |
| okini3939 | 0:02c293160df3 | 91 | |
| okini3939 | 0:02c293160df3 | 92 | bool USBMSC::USBCallback_setConfiguration(uint8_t configuration) { |
| okini3939 | 0:02c293160df3 | 93 | DBG("USBCallback_setConfiguration: config %x\r\n", configuration); |
| okini3939 | 0:02c293160df3 | 94 | // Called in ISR context |
| okini3939 | 0:02c293160df3 | 95 | // Set configuration. Return false if the |
| okini3939 | 0:02c293160df3 | 96 | // configuration is not supported. |
| okini3939 | 0:02c293160df3 | 97 | if (configuration != DEFAULT_CONFIGURATION) { |
| okini3939 | 0:02c293160df3 | 98 | return false; |
| okini3939 | 0:02c293160df3 | 99 | } |
| okini3939 | 0:02c293160df3 | 100 | |
| okini3939 | 0:02c293160df3 | 101 | addEndpoint(EPINT_IN, MAX_PACKET_SIZE_EPINT); |
| okini3939 | 0:02c293160df3 | 102 | |
| okini3939 | 0:02c293160df3 | 103 | // enable bulk-in interrupts on NAKs |
| okini3939 | 0:02c293160df3 | 104 | // these are required to get the BOT protocol going again after a STALL |
| okini3939 | 0:02c293160df3 | 105 | NakIntEnable(EPBULK_IN); |
| okini3939 | 0:02c293160df3 | 106 | |
| okini3939 | 0:02c293160df3 | 107 | // Configure endpoints > 0 |
| okini3939 | 0:02c293160df3 | 108 | addEndpoint(EPBULK_IN, MAX_PACKET_SIZE_EPBULK); |
| okini3939 | 0:02c293160df3 | 109 | addEndpoint(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK); |
| okini3939 | 0:02c293160df3 | 110 | |
| okini3939 | 0:02c293160df3 | 111 | // We activate the endpoint to be able to receive data |
| okini3939 | 0:02c293160df3 | 112 | readStart(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK); |
| okini3939 | 0:02c293160df3 | 113 | |
| okini3939 | 0:02c293160df3 | 114 | return true; |
| okini3939 | 0:02c293160df3 | 115 | } |
| okini3939 | 0:02c293160df3 | 116 | |
| okini3939 | 0:02c293160df3 | 117 | uint8_t * USBMSC::configurationDesc() { |
| okini3939 | 0:02c293160df3 | 118 | static uint8_t configDescriptor[] = { |
| okini3939 | 0:02c293160df3 | 119 | // configuration descriptor |
| okini3939 | 0:02c293160df3 | 120 | 0x09, 0x02, 32, 0x00, 0x01, 0x01, 0x00, 0xC0, 0x32, |
| okini3939 | 0:02c293160df3 | 121 | |
| okini3939 | 0:02c293160df3 | 122 | // MSC |
| okini3939 | 0:02c293160df3 | 123 | // control class interface |
| okini3939 | 0:02c293160df3 | 124 | 0x09, 0x04, 0x00, 0x00, 0x02, 0x08, 0x06, 0x50, 0x00, |
| okini3939 | 0:02c293160df3 | 125 | // EP OUT |
| okini3939 | 0:02c293160df3 | 126 | 0x07, 0x05, 0x02, 0x02, 0x40, 0x00, 0x00, |
| okini3939 | 0:02c293160df3 | 127 | // EP IN |
| okini3939 | 0:02c293160df3 | 128 | 0x07, 0x05, 0x82, 0x02, 0x40, 0x00, 0x00, |
| okini3939 | 0:02c293160df3 | 129 | }; |
| okini3939 | 0:02c293160df3 | 130 | DBG("configurationDesc %d\r\n", sizeof(configDescriptor)); |
| okini3939 | 0:02c293160df3 | 131 | return configDescriptor; |
| okini3939 | 0:02c293160df3 | 132 | } |
| okini3939 | 0:02c293160df3 | 133 | |
| okini3939 | 0:02c293160df3 | 134 | uint8_t * USBMSC::deviceDesc() { |
| okini3939 | 0:02c293160df3 | 135 | static uint8_t deviceDescriptor[] = { |
| okini3939 | 0:02c293160df3 | 136 | DEVICE_DESCRIPTOR_LENGTH, /* bLength */ |
| okini3939 | 0:02c293160df3 | 137 | DEVICE_DESCRIPTOR, /* bDescriptorType */ |
| okini3939 | 1:efbcfbae4747 | 138 | LSB(USB_VERSION_2_0), /* bcdUSB (LSB) */ |
| okini3939 | 1:efbcfbae4747 | 139 | MSB(USB_VERSION_2_0), /* bcdUSB (MSB) */ |
| okini3939 | 0:02c293160df3 | 140 | 0x00, /* bDeviceClass */ |
| okini3939 | 0:02c293160df3 | 141 | 0x00, /* bDeviceSubClass */ |
| okini3939 | 0:02c293160df3 | 142 | 0x00, /* bDeviceprotocol */ |
| okini3939 | 0:02c293160df3 | 143 | MAX_PACKET_SIZE_EP0, /* bMaxPacketSize0 */ |
| okini3939 | 0:02c293160df3 | 144 | LSB(VENDOR_ID), /* idVendor (LSB) */ |
| okini3939 | 0:02c293160df3 | 145 | MSB(VENDOR_ID), /* idVendor (MSB) */ |
| okini3939 | 0:02c293160df3 | 146 | LSB(PRODUCT_ID), /* idProduct (LSB) */ |
| okini3939 | 0:02c293160df3 | 147 | MSB(PRODUCT_ID), /* idProduct (MSB) */ |
| okini3939 | 0:02c293160df3 | 148 | LSB(PRODUCT_RELEASE), /* bcdDevice (LSB) */ |
| okini3939 | 0:02c293160df3 | 149 | MSB(PRODUCT_RELEASE), /* bcdDevice (MSB) */ |
| okini3939 | 0:02c293160df3 | 150 | STRING_OFFSET_IMANUFACTURER, /* iManufacturer */ |
| okini3939 | 0:02c293160df3 | 151 | STRING_OFFSET_IPRODUCT, /* iProduct */ |
| okini3939 | 0:02c293160df3 | 152 | STRING_OFFSET_ISERIAL, /* iSerialNumber */ |
| okini3939 | 0:02c293160df3 | 153 | 0x01 /* bNumConfigurations */ |
| okini3939 | 0:02c293160df3 | 154 | }; |
| okini3939 | 0:02c293160df3 | 155 | return deviceDescriptor; |
| okini3939 | 0:02c293160df3 | 156 | } |