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

BaseUsbHostHub.cpp@5:8a2d056e9b38, 2013-02-11 (annotated)

Committer:
va009039
Date:
Mon Feb 11 12:00:47 2013 +0000
Revision:
5:8a2d056e9b38
Parent:
4:d931d24c2f81 
add GetStringDescriptor()

Who changed what in which revision?

UserRevisionLine numberNew contents of line
va009039 4:d931d24c2f81 1 // BaseUsbHostHub.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 3:ae77d63a1eda 10 #define PORT_CONNECTION 0
va009039 3:ae77d63a1eda 11 #define PORT_ENABLE 1
va009039 3:ae77d63a1eda 12 #define PORT_SUSPEND 2
va009039 0:b7d6879637a8 13 #define PORT_OVER_CURRENT 3
va009039 3:ae77d63a1eda 14 #define PORT_RESET 4
va009039 3:ae77d63a1eda 15 #define PORT_POWER 8
va009039 3:ae77d63a1eda 16 #define PORT_LOW_SPEED 9
va009039 0:b7d6879637a8 17
va009039 3:ae77d63a1eda 18 #define C_PORT_CONNECTION 16
va009039 3:ae77d63a1eda 19 #define C_PORT_ENABLE 17
va009039 3:ae77d63a1eda 20 #define C_PORT_SUSPEND 18
va009039 0:b7d6879637a8 21 #define C_PORT_OVER_CURRENT 19
va009039 3:ae77d63a1eda 22 #define C_PORT_RESET 20
va009039 0:b7d6879637a8 23
va009039 0:b7d6879637a8 24 UsbHub::UsbHub(ControlEp* ctlEp)
va009039 0:b7d6879637a8 25 {
va009039 0:b7d6879637a8 26 if (ctlEp == NULL) {
va009039 0:b7d6879637a8 27 DBG_OHCI(LPC_USB->HcRhPortStatus1);
va009039 0:b7d6879637a8 28 int lowSpeed = 0;
va009039 0:b7d6879637a8 29 if (LPC_USB->HcRhPortStatus1 & 0x200) {
va009039 0:b7d6879637a8 30 lowSpeed = 1;
va009039 0:b7d6879637a8 31 }
va009039 0:b7d6879637a8 32 m_ctlEp = new ControlEp(lowSpeed);
va009039 0:b7d6879637a8 33 TEST_ASSERT_TRUE(m_ctlEp);
va009039 0:b7d6879637a8 34 } else {
va009039 0:b7d6879637a8 35 m_ctlEp = ctlEp;
va009039 0:b7d6879637a8 36 }
va009039 4:d931d24c2f81 37 CTASSERT(sizeof(StandardDeviceDescriptor) == 18);
va009039 4:d931d24c2f81 38 StandardDeviceDescriptor devdesc;
va009039 4:d931d24c2f81 39 int rc = m_ctlEp->GetDescriptor(1, 0, reinterpret_cast<uint8_t*>(&devdesc), sizeof(StandardDeviceDescriptor));
va009039 3:ae77d63a1eda 40 TEST_ASSERT(rc == USB_OK);
va009039 3:ae77d63a1eda 41 if (rc != USB_OK) {
va009039 3:ae77d63a1eda 42 return;
va009039 3:ae77d63a1eda 43 }
va009039 4:d931d24c2f81 44 TEST_ASSERT_TRUE(devdesc.bLength == 0x12);
va009039 4:d931d24c2f81 45 TEST_ASSERT_TRUE(devdesc.bDescriptorType == 0x01);
va009039 4:d931d24c2f81 46 TEST_ASSERT_TRUE(devdesc.bDeviceClass == 0x09); // hub
va009039 4:d931d24c2f81 47 if (devdesc.bDeviceClass != 0x09) { // hub ?
va009039 0:b7d6879637a8 48 return;
va009039 0:b7d6879637a8 49 }
va009039 3:ae77d63a1eda 50 CTASSERT(sizeof(HubDescriptor) == 9);
va009039 3:ae77d63a1eda 51 TEST_ASSERT(sizeof(HubDescriptor) == 9);
va009039 3:ae77d63a1eda 52 HubDescriptor hubdesc;
va009039 3:ae77d63a1eda 53 rc = m_ctlEp->controlReceive(0xa0, 6, 0x29<<8, 0, reinterpret_cast<uint8_t*>(&hubdesc), sizeof(HubDescriptor));
va009039 3:ae77d63a1eda 54 TEST_ASSERT(rc == USB_OK);
va009039 3:ae77d63a1eda 55 if (rc != USB_OK) {
va009039 3:ae77d63a1eda 56 return;
va009039 3:ae77d63a1eda 57 }
va009039 3:ae77d63a1eda 58 TEST_ASSERT(hubdesc.bDescLength == 9); // length
va009039 3:ae77d63a1eda 59 TEST_ASSERT(hubdesc.bDescriptorType == 0x29); // hub
va009039 3:ae77d63a1eda 60 TEST_ASSERT(hubdesc.bNbrPorts >= 1);
va009039 4:d931d24c2f81 61 TEST_ASSERT(hubdesc.bNbrPorts <= 16);
va009039 0:b7d6879637a8 62
va009039 0:b7d6879637a8 63 m_ctlEp->SetConfiguration(1);
va009039 0:b7d6879637a8 64
va009039 0:b7d6879637a8 65 uint32_t status;
va009039 3:ae77d63a1eda 66 rc = m_ctlEp->controlReceive(0xa0, 0, 0, 0, reinterpret_cast<uint8_t*>(&status), 4);
va009039 3:ae77d63a1eda 67 TEST_ASSERT(rc == USB_OK);
va009039 3:ae77d63a1eda 68 if (rc != USB_OK) {
va009039 3:ae77d63a1eda 69 return;
va009039 3:ae77d63a1eda 70 }
va009039 0:b7d6879637a8 71 DBG("HUB STATUS: %08X\n", status);
va009039 0:b7d6879637a8 72
va009039 3:ae77d63a1eda 73 for(int i = 1; i <= hubdesc.bNbrPorts; i++) {
va009039 2:fe1e62051d88 74 SetPortPower(i); // power on
va009039 3:ae77d63a1eda 75 wait_ms(hubdesc.bPwrOn2PwrGood*2);
va009039 0:b7d6879637a8 76 uint32_t status;
va009039 0:b7d6879637a8 77 GetPortStatus(i, &status);
va009039 0:b7d6879637a8 78 DBG("port: %d status: %08X\n", i, status);
va009039 0:b7d6879637a8 79 if (status & 0x010000) { // Connect Status Change, has changed
va009039 0:b7d6879637a8 80 TEST_ASSERT(status & 0x000001);
va009039 0:b7d6879637a8 81 ClearPortFeature(C_PORT_CONNECTION, i);
va009039 3:ae77d63a1eda 82 int lowSpeed = 0;
va009039 0:b7d6879637a8 83 if (status & 0x0200) {
va009039 3:ae77d63a1eda 84 lowSpeed = 1;
va009039 0:b7d6879637a8 85 }
va009039 3:ae77d63a1eda 86 PortReset(i);
va009039 3:ae77d63a1eda 87 ControlEp* ctlEp = new ControlEp(lowSpeed);
va009039 3:ae77d63a1eda 88 PortEp.push_back(ctlEp);
va009039 2:fe1e62051d88 89 } else {
va009039 3:ae77d63a1eda 90 ClearPortPower(i); // power off
va009039 0:b7d6879637a8 91 }
va009039 0:b7d6879637a8 92 }
va009039 0:b7d6879637a8 93 }
va009039 0:b7d6879637a8 94
va009039 3:ae77d63a1eda 95 bool UsbHub::check(ControlEp* ctlEp)
va009039 2:fe1e62051d88 96 {
va009039 3:ae77d63a1eda 97 if (ctlEp == NULL) {
va009039 3:ae77d63a1eda 98 return false;
va009039 2:fe1e62051d88 99 }
va009039 3:ae77d63a1eda 100 StandardDeviceDescriptor desc;
va009039 3:ae77d63a1eda 101 int rc = ctlEp->GetDescriptor(USB_DESCRIPTOR_TYPE_DEVICE, 0, reinterpret_cast<uint8_t*>(&desc), sizeof(StandardDeviceDescriptor));
va009039 3:ae77d63a1eda 102 if (rc != USB_OK) {
va009039 3:ae77d63a1eda 103 return false;
va009039 3:ae77d63a1eda 104 }
va009039 3:ae77d63a1eda 105 if (desc.bDeviceClass == 9) { // hub?
va009039 3:ae77d63a1eda 106 return true;
va009039 3:ae77d63a1eda 107 }
va009039 3:ae77d63a1eda 108 return false;
va009039 2:fe1e62051d88 109 }
va009039 2:fe1e62051d88 110
va009039 2:fe1e62051d88 111 int UsbHub::SetPortPower(int port)
va009039 2:fe1e62051d88 112 {
va009039 2:fe1e62051d88 113 return SetPortFeature(PORT_POWER, port);
va009039 2:fe1e62051d88 114 }
va009039 2:fe1e62051d88 115
va009039 2:fe1e62051d88 116 int UsbHub::ClearPortPower(int port)
va009039 2:fe1e62051d88 117 {
va009039 2:fe1e62051d88 118 return ClearPortFeature(PORT_POWER, port);
va009039 2:fe1e62051d88 119 }
va009039 2:fe1e62051d88 120
va009039 2:fe1e62051d88 121 int UsbHub::SetPortFeature(int feature, int index)
va009039 2:fe1e62051d88 122 {
va009039 2:fe1e62051d88 123 return m_ctlEp->controlSend(0x23, SET_FEATURE,feature,index,0,0);
va009039 2:fe1e62051d88 124 }
va009039 2:fe1e62051d88 125
va009039 2:fe1e62051d88 126 int UsbHub::ClearPortFeature(int feature, int index)
va009039 2:fe1e62051d88 127 {
va009039 2:fe1e62051d88 128 return m_ctlEp->controlSend(0x23, CLEAR_FEATURE,feature,index,0,0);
va009039 2:fe1e62051d88 129 }
va009039 2:fe1e62051d88 130
va009039 2:fe1e62051d88 131 int UsbHub::SetPortReset(int port)
va009039 2:fe1e62051d88 132 {
va009039 2:fe1e62051d88 133 return SetPortFeature(PORT_RESET, port);
va009039 2:fe1e62051d88 134 }
va009039 2:fe1e62051d88 135
va009039 2:fe1e62051d88 136 int UsbHub::GetPortStatus(int port, uint32_t* status)
va009039 2:fe1e62051d88 137 {
va009039 2:fe1e62051d88 138 return m_ctlEp->controlReceive(0xa3, GET_STATUS, 0, port, (uint8_t*)status, 4);
va009039 2:fe1e62051d88 139 }
va009039 2:fe1e62051d88 140
va009039 0:b7d6879637a8 141 int UsbHub::PortReset(int port)
va009039 0:b7d6879637a8 142 {
va009039 0:b7d6879637a8 143 DBG("%p port=%d\n", this, port);
va009039 0:b7d6879637a8 144 TEST_ASSERT(port >= 1);
va009039 0:b7d6879637a8 145 SetPortReset(port);
va009039 0:b7d6879637a8 146 // wait reset
va009039 0:b7d6879637a8 147 for(int i = 0; i < 100; i++) {
va009039 0:b7d6879637a8 148 uint32_t status;
va009039 0:b7d6879637a8 149 GetPortStatus(port, &status);
va009039 0:b7d6879637a8 150 DBG("RESET port: %d status: %08X\n", port, status);
va009039 0:b7d6879637a8 151 if (status & 0x100000) { // Reset change , Reset complete
va009039 0:b7d6879637a8 152 return USB_OK;
va009039 0:b7d6879637a8 153 }
va009039 0:b7d6879637a8 154 wait_ms(5);
va009039 0:b7d6879637a8 155 }
va009039 0:b7d6879637a8 156 return USB_ERROR;
va009039 0:b7d6879637a8 157 }