Norimasa Okamoto / BaseUsbHost

USB host library, support isochronous,bulk,interrupt and control.

Dependents:   BaseUsbHost_example BaseJpegDecode_example SimpleJpegDecode_example

Import programBaseUsbHost_example

BaseUsbHost example program

Last commit 25 Jan 2013 by Norimasa Okamoto

BaseUsbHostCtlEp.cpp@4:d931d24c2f81, 2013-01-25 (annotated)

Committer:
va009039
Date:
Fri Jan 25 14:51:33 2013 +0000
Revision:
4:d931d24c2f81
Parent:
3:ae77d63a1eda
Child:
5:8a2d056e9b38
add UsbHub::search()

Who changed what in which revision?

UserRevisionLine numberNew contents of line
va009039 4:d931d24c2f81 1 // BaseUsbHostCtlEp.cpp 2013/1/25
va009039 0:b7d6879637a8 2 #include "mbed.h"
va009039 0:b7d6879637a8 3 #include "rtos.h"
va009039 0:b7d6879637a8 4 #include "BaseUsbHost.h"
va009039 4:d931d24c2f81 5 //#define DEBUG
va009039 0:b7d6879637a8 6 #include "BaseUsbHostDebug.h"
va009039 0:b7d6879637a8 7 #define TEST
va009039 0:b7d6879637a8 8 #include "BaseUsbHostTest.h"
va009039 0:b7d6879637a8 9
va009039 4:d931d24c2f81 10 #pragma pack(push,1)
va009039 4:d931d24c2f81 11 struct SETUP {
va009039 4:d931d24c2f81 12 uint8_t bmRequestType;// +0
va009039 4:d931d24c2f81 13 uint8_t bRequest; // +1
va009039 4:d931d24c2f81 14 uint16_t wValue; // +2
va009039 4:d931d24c2f81 15 uint16_t wIndex; // +4
va009039 4:d931d24c2f81 16 uint16_t wLength; // +6
va009039 4:d931d24c2f81 17 // +8
va009039 4:d931d24c2f81 18 SETUP(uint8_t RequestType, uint8_t Request, uint16_t Value, uint16_t Index, uint16_t Length) {
va009039 4:d931d24c2f81 19 CTASSERT(sizeof(SETUP) == 8);
va009039 4:d931d24c2f81 20 TEST_ASSERT(sizeof(SETUP) == 8);
va009039 4:d931d24c2f81 21 bmRequestType = RequestType;
va009039 4:d931d24c2f81 22 bRequest = Request;
va009039 4:d931d24c2f81 23 wValue = Value;
va009039 4:d931d24c2f81 24 wIndex = Index;
va009039 4:d931d24c2f81 25 wLength = Length;
va009039 4:d931d24c2f81 26 };
va009039 4:d931d24c2f81 27 };
va009039 4:d931d24c2f81 28 #pragma pack(pop)
va009039 4:d931d24c2f81 29
va009039 0:b7d6879637a8 30 static uint8_t device_addr = 1;
va009039 0:b7d6879637a8 31 ControlEp::ControlEp(int lowSpeed):BaseEp(0, 0, 8, lowSpeed)
va009039 0:b7d6879637a8 32 {
va009039 4:d931d24c2f81 33 CTASSERT(HCTD_QUEUE_SIZE >= 3);
va009039 0:b7d6879637a8 34 TEST_ASSERT(HCTD_QUEUE_SIZE >= 3);
va009039 4:d931d24c2f81 35 HCTD* td = new HCTD(this);
va009039 0:b7d6879637a8 36 TEST_ASSERT(td);
va009039 0:b7d6879637a8 37 m_pED->TailTd = td;
va009039 0:b7d6879637a8 38 m_pED->HeadTd = td;
va009039 0:b7d6879637a8 39
va009039 4:d931d24c2f81 40 m_pED->Next = reinterpret_cast<HCED*>(LPC_USB->HcControlHeadED);
va009039 0:b7d6879637a8 41 LPC_USB->HcControlHeadED = reinterpret_cast<uint32_t>(m_pED);
va009039 0:b7d6879637a8 42
va009039 0:b7d6879637a8 43 DBG_OHCI(LPC_USB->HcControlHeadED);
va009039 0:b7d6879637a8 44 DBG_ED(m_pED);
va009039 0:b7d6879637a8 45
va009039 0:b7d6879637a8 46 int r = open(device_addr);
va009039 0:b7d6879637a8 47 if (r == USB_OK) {
va009039 0:b7d6879637a8 48 device_addr++;
va009039 0:b7d6879637a8 49 }
va009039 0:b7d6879637a8 50 }
va009039 0:b7d6879637a8 51
va009039 0:b7d6879637a8 52 int ControlEp::SetAddress(int addr)
va009039 0:b7d6879637a8 53 {
va009039 0:b7d6879637a8 54 return controlSend(0x00, 5, addr);
va009039 0:b7d6879637a8 55 }
va009039 0:b7d6879637a8 56
va009039 0:b7d6879637a8 57 int ControlEp::GetDescriptor(int descType, int descIndex, uint8_t* data, int length)
va009039 0:b7d6879637a8 58 {
va009039 0:b7d6879637a8 59 return controlReceive(0x80, 6, (descType<<8)|descIndex, 0, data, length);
va009039 0:b7d6879637a8 60 }
va009039 0:b7d6879637a8 61
va009039 0:b7d6879637a8 62 int ControlEp::SetConfiguration(int config)
va009039 0:b7d6879637a8 63 {
va009039 0:b7d6879637a8 64 return controlSend(0x00, 9, config);
va009039 0:b7d6879637a8 65 }
va009039 0:b7d6879637a8 66
va009039 0:b7d6879637a8 67 int ControlEp::GetConfiguration(int *config)
va009039 0:b7d6879637a8 68 {
va009039 0:b7d6879637a8 69 uint8_t buf[1];
va009039 0:b7d6879637a8 70 int rc = controlReceive(0x80, 8, 0, 0, buf, 1);
va009039 0:b7d6879637a8 71 *config = buf[0];
va009039 0:b7d6879637a8 72 return rc;
va009039 0:b7d6879637a8 73 }
va009039 0:b7d6879637a8 74
va009039 0:b7d6879637a8 75 int ControlEp::SetInterfaceAlternate(int interface, int alternate)
va009039 0:b7d6879637a8 76 {
va009039 0:b7d6879637a8 77 int rc = controlSend(USB_HOST_TO_DEVICE | USB_RECIPIENT_INTERFACE,
va009039 0:b7d6879637a8 78 SET_INTERFACE, alternate, interface, NULL, 0);
va009039 0:b7d6879637a8 79 return rc;
va009039 0:b7d6879637a8 80 }
va009039 0:b7d6879637a8 81
va009039 0:b7d6879637a8 82 int ControlEp::GetInterface(int interface, int *alternate)
va009039 0:b7d6879637a8 83 {
va009039 0:b7d6879637a8 84 uint8_t buf[1];
va009039 0:b7d6879637a8 85 int rc = controlReceive(0x81, 10, 0, interface, buf, 1);
va009039 0:b7d6879637a8 86 *alternate = buf[0];
va009039 0:b7d6879637a8 87 return rc;
va009039 0:b7d6879637a8 88 }
va009039 0:b7d6879637a8 89
va009039 0:b7d6879637a8 90 int ControlEp::open(int addr)
va009039 0:b7d6879637a8 91 {
va009039 0:b7d6879637a8 92 TEST_ASSERT(addr >= 1 && addr <= 127);
va009039 0:b7d6879637a8 93 uint8_t buf[8];
va009039 0:b7d6879637a8 94 int r = GetDescriptor(1, 0, buf, 8);
va009039 0:b7d6879637a8 95 if (r != USB_OK) {
va009039 0:b7d6879637a8 96 return r;
va009039 0:b7d6879637a8 97 }
va009039 0:b7d6879637a8 98 TEST_ASSERT(buf[0] == 0x12);
va009039 0:b7d6879637a8 99 TEST_ASSERT(buf[1] == 0x01);
va009039 0:b7d6879637a8 100 TEST_ASSERT(buf[7] >= 8);
va009039 0:b7d6879637a8 101 update_MaxPacketSize(buf[7]);
va009039 0:b7d6879637a8 102 r = SetAddress(addr);
va009039 0:b7d6879637a8 103 TEST_ASSERT(r == USB_OK);
va009039 0:b7d6879637a8 104 if (r != USB_OK) {
va009039 0:b7d6879637a8 105 return r;
va009039 0:b7d6879637a8 106 }
va009039 0:b7d6879637a8 107 wait_ms(2);
va009039 0:b7d6879637a8 108 update_FunctionAddress(addr);
va009039 0:b7d6879637a8 109 return USB_OK;
va009039 0:b7d6879637a8 110 }
va009039 0:b7d6879637a8 111
va009039 0:b7d6879637a8 112 int ControlEp::controlReceive(uint8_t bmRequestType, uint8_t bRequest, uint16_t wValue, uint16_t wIndex,
va009039 0:b7d6879637a8 113 uint8_t* data, int length) {
va009039 0:b7d6879637a8 114 DBG("Type: %02X Request: %02X Value: %04X Index: %04X %p %d\n", bmRequestType, bRequest, wValue, wIndex, data, length);
va009039 0:b7d6879637a8 115 HCTD* setup_td = m_pED->TailTd;
va009039 4:d931d24c2f81 116 SETUP setup(bmRequestType, bRequest, wValue, wIndex, length);
va009039 4:d931d24c2f81 117 setup_td->transfer(reinterpret_cast<uint8_t*>(&setup), sizeof(SETUP));
va009039 4:d931d24c2f81 118 setup_td->Control |= TD_TOGGLE_0|TD_SETUP|TD_DI;
va009039 0:b7d6879637a8 119
va009039 4:d931d24c2f81 120 HCTD* data_td = new HCTD(this);
va009039 0:b7d6879637a8 121 TEST_ASSERT(data_td);
va009039 4:d931d24c2f81 122 data_td->transfer(data, length);
va009039 0:b7d6879637a8 123 data_td->Control |= TD_TOGGLE_1|TD_IN|TD_DI;
va009039 4:d931d24c2f81 124 setup_td->Next = data_td;
va009039 0:b7d6879637a8 125
va009039 4:d931d24c2f81 126 HCTD* status_td = new HCTD(this);
va009039 0:b7d6879637a8 127 TEST_ASSERT(status_td);
va009039 0:b7d6879637a8 128 status_td->Control |= TD_TOGGLE_1|TD_OUT; // OUT(DATA1)
va009039 4:d931d24c2f81 129 data_td->Next = status_td;
va009039 0:b7d6879637a8 130
va009039 4:d931d24c2f81 131 HCTD* blank_td = new HCTD(this);
va009039 0:b7d6879637a8 132 TEST_ASSERT(blank_td);
va009039 4:d931d24c2f81 133 status_td->Next = blank_td;
va009039 0:b7d6879637a8 134 m_pED->TailTd = blank_td;
va009039 0:b7d6879637a8 135
va009039 0:b7d6879637a8 136 LPC_USB->HcCommandStatus |= OR_CMD_STATUS_CLF;
va009039 0:b7d6879637a8 137 LPC_USB->HcControl |= OR_CONTROL_CLE;
va009039 0:b7d6879637a8 138
va009039 0:b7d6879637a8 139 int r = wait_queue_HCTD(setup_td, 100); // wait setup stage
va009039 3:ae77d63a1eda 140 if (r != USB_OK) {
va009039 3:ae77d63a1eda 141 return r;
va009039 3:ae77d63a1eda 142 }
va009039 0:b7d6879637a8 143 HCTD* td = get_queue_HCTD(100);
va009039 0:b7d6879637a8 144 if (td == data_td) {
va009039 4:d931d24c2f81 145 delete td;
va009039 0:b7d6879637a8 146 } else {
va009039 0:b7d6879637a8 147 DBG_TD(td);
va009039 0:b7d6879637a8 148 TEST_ASSERT(td == data_td);
va009039 0:b7d6879637a8 149 return USB_ERROR;
va009039 0:b7d6879637a8 150 }
va009039 0:b7d6879637a8 151 r = wait_queue_HCTD(status_td, 100); // wait status stage
va009039 0:b7d6879637a8 152 TEST_ASSERT(r == USB_OK);
va009039 0:b7d6879637a8 153 return r;
va009039 0:b7d6879637a8 154 }
va009039 0:b7d6879637a8 155
va009039 0:b7d6879637a8 156 int ControlEp::controlSend(uint8_t bmRequestType, uint8_t bRequest, uint16_t wValue, uint16_t wIndex,
va009039 0:b7d6879637a8 157 const uint8_t* data, int length) {
va009039 0:b7d6879637a8 158 DBG("Type: %02X Request: %02X Value: %04X Index: %04X %p %d\n", bmRequestType, bRequest, wValue, wIndex, data, length);
va009039 0:b7d6879637a8 159 HCTD* setup_td = m_pED->TailTd;
va009039 0:b7d6879637a8 160
va009039 4:d931d24c2f81 161 HCTD* status_td = new HCTD(this);
va009039 0:b7d6879637a8 162 TEST_ASSERT(status_td);
va009039 4:d931d24c2f81 163 HCTD* blank_td = new HCTD(this);
va009039 0:b7d6879637a8 164 TEST_ASSERT(blank_td);
va009039 4:d931d24c2f81 165
va009039 4:d931d24c2f81 166 SETUP setup(bmRequestType, bRequest, wValue, wIndex, length);
va009039 4:d931d24c2f81 167 setup_td->transfer(reinterpret_cast<uint8_t*>(&setup), sizeof(SETUP));
va009039 4:d931d24c2f81 168 setup_td->Control |= TD_TOGGLE_0|TD_SETUP|TD_DI;
va009039 0:b7d6879637a8 169 status_td->Control |= TD_TOGGLE_1|TD_IN; // IN(DATA1)
va009039 4:d931d24c2f81 170 setup_td->Next = status_td;
va009039 4:d931d24c2f81 171 status_td->Next = blank_td;
va009039 0:b7d6879637a8 172
va009039 0:b7d6879637a8 173 if (length != 0) {
va009039 4:d931d24c2f81 174 HCTD* data_td = new HCTD(this);
va009039 0:b7d6879637a8 175 TEST_ASSERT(data_td);
va009039 0:b7d6879637a8 176 data_td->Control |= TD_TOGGLE_1|TD_OUT|TD_DI;
va009039 4:d931d24c2f81 177 data_td->transfer(const_cast<uint8_t*>(data), length);
va009039 4:d931d24c2f81 178 setup_td->Next = data_td;
va009039 4:d931d24c2f81 179 data_td->Next = status_td;
va009039 0:b7d6879637a8 180 }
va009039 0:b7d6879637a8 181 m_pED->TailTd = blank_td;
va009039 0:b7d6879637a8 182 DBG_ED(m_pED);
va009039 0:b7d6879637a8 183
va009039 0:b7d6879637a8 184 LPC_USB->HcCommandStatus |= OR_CMD_STATUS_CLF;
va009039 0:b7d6879637a8 185 LPC_USB->HcControl |= OR_CONTROL_CLE;
va009039 0:b7d6879637a8 186
va009039 0:b7d6879637a8 187 int r = wait_queue_HCTD(status_td, 200); // wait status stage
va009039 0:b7d6879637a8 188 TEST_ASSERT(r == USB_OK);
va009039 0:b7d6879637a8 189 return r;
va009039 0:b7d6879637a8 190 }
va009039 0:b7d6879637a8 191
va009039 4:d931d24c2f81 192 HCTD::HCTD(BaseEp* obj) {
va009039 4:d931d24c2f81 193 CTASSERT(sizeof(HCTD) == 36);
va009039 4:d931d24c2f81 194 TEST_ASSERT(sizeof(HCTD) == 36);
va009039 4:d931d24c2f81 195 TEST_ASSERT(obj);
va009039 4:d931d24c2f81 196 Control = TD_CC|TD_ROUNDING;
va009039 4:d931d24c2f81 197 CurrBufPtr = NULL;
va009039 4:d931d24c2f81 198 Next = NULL;
va009039 4:d931d24c2f81 199 BufEnd = NULL;
va009039 4:d931d24c2f81 200 buf_top = NULL;
va009039 4:d931d24c2f81 201 buf_size = 0;
va009039 4:d931d24c2f81 202 ep = obj;
va009039 0:b7d6879637a8 203 }