GambitDev / F401RE-USBHost

USB Host Driver with Socket Modem support. Works with revision 323 of mbed-src but broken with any later version.

Dependencies:   FATFileSystem

Fork of F401RE-USBHost by Norimasa Okamoto

USBHost/USBHostHub.cpp@12:b91fdea8c0a7, 2014-06-09 (annotated)

Committer:
va009039
Date:
Mon Jun 09 09:01:10 2014 +0000
Revision:
12:b91fdea8c0a7
Simple USBHost for Nucleo F401RE

Who changed what in which revision?

UserRevisionLine numberNew contents of line
va009039 12:b91fdea8c0a7 1 #include "USBHost.h"
va009039 12:b91fdea8c0a7 2
va009039 12:b91fdea8c0a7 3 #define PORT_CONNECTION 0
va009039 12:b91fdea8c0a7 4 #define PORT_ENABLE 1
va009039 12:b91fdea8c0a7 5 #define PORT_SUSPEND 2
va009039 12:b91fdea8c0a7 6 #define PORT_OVER_CURRENT 3
va009039 12:b91fdea8c0a7 7 #define PORT_RESET 4
va009039 12:b91fdea8c0a7 8 #define PORT_POWER 8
va009039 12:b91fdea8c0a7 9 #define PORT_LOW_SPEED 9
va009039 12:b91fdea8c0a7 10
va009039 12:b91fdea8c0a7 11 #define C_PORT_CONNECTION 16
va009039 12:b91fdea8c0a7 12 #define C_PORT_ENABLE 17
va009039 12:b91fdea8c0a7 13 #define C_PORT_SUSPEND 18
va009039 12:b91fdea8c0a7 14 #define C_PORT_OVER_CURRENT 19
va009039 12:b91fdea8c0a7 15 #define C_PORT_RESET 20
va009039 12:b91fdea8c0a7 16
va009039 12:b91fdea8c0a7 17 bool USBHost::Hub(USBDeviceConnected* dev) {
va009039 12:b91fdea8c0a7 18 USB_INFO("New HUB: VID:%04x PID:%04x [dev: %p]", dev->getVid(), dev->getPid(), dev);
va009039 12:b91fdea8c0a7 19 HubDescriptor hubdesc;
va009039 12:b91fdea8c0a7 20 // get HUB descriptor
va009039 12:b91fdea8c0a7 21 int rc = controlRead(dev,
va009039 12:b91fdea8c0a7 22 USB_DEVICE_TO_HOST | USB_REQUEST_TYPE_CLASS,
va009039 12:b91fdea8c0a7 23 GET_DESCRIPTOR,
va009039 12:b91fdea8c0a7 24 0x29 << 8, 0, reinterpret_cast<uint8_t*>(&hubdesc),
va009039 12:b91fdea8c0a7 25 sizeof(HubDescriptor));
va009039 12:b91fdea8c0a7 26 USB_TEST_ASSERT(rc == USB_TYPE_OK);
va009039 12:b91fdea8c0a7 27 if (rc != USB_TYPE_OK) {
va009039 12:b91fdea8c0a7 28 return false;
va009039 12:b91fdea8c0a7 29 }
va009039 12:b91fdea8c0a7 30 USB_DBG_HEX((uint8_t*)&hubdesc, sizeof(hubdesc));
va009039 12:b91fdea8c0a7 31
va009039 12:b91fdea8c0a7 32 uint32_t status;
va009039 12:b91fdea8c0a7 33 rc = controlRead( dev,
va009039 12:b91fdea8c0a7 34 0xa0, 0, 0, 0, reinterpret_cast<uint8_t*>(&status), 4);
va009039 12:b91fdea8c0a7 35 USB_TEST_ASSERT(rc == USB_TYPE_OK);
va009039 12:b91fdea8c0a7 36 if (rc != USB_TYPE_OK) {
va009039 12:b91fdea8c0a7 37 return false;
va009039 12:b91fdea8c0a7 38 }
va009039 12:b91fdea8c0a7 39 USB_DBG("HUB STATUS: %08X\n", status);
va009039 12:b91fdea8c0a7 40
va009039 12:b91fdea8c0a7 41 for(int i = 1; i <= hubdesc.bNbrPorts; i++) {
va009039 12:b91fdea8c0a7 42 SetPortPower(dev, i); // power on
va009039 12:b91fdea8c0a7 43 wait_ms(hubdesc.bPwrOn2PwrGood*2);
va009039 12:b91fdea8c0a7 44 uint32_t status;
va009039 12:b91fdea8c0a7 45 GetPortStatus(dev, i, &status);
va009039 12:b91fdea8c0a7 46 USB_DBG("port: %d status: %08X\n", i, status);
va009039 12:b91fdea8c0a7 47 if (status & 0x010000) { // Connect Status Change, has changed
va009039 12:b91fdea8c0a7 48 USB_TEST_ASSERT(status & 0x000001);
va009039 12:b91fdea8c0a7 49 ClearPortFeature(dev, C_PORT_CONNECTION, i);
va009039 12:b91fdea8c0a7 50 int lowSpeed = 0;
va009039 12:b91fdea8c0a7 51 if (status & 0x0200) {
va009039 12:b91fdea8c0a7 52 lowSpeed = 1;
va009039 12:b91fdea8c0a7 53 }
va009039 12:b91fdea8c0a7 54 PortReset(dev, i);
va009039 12:b91fdea8c0a7 55 if (!addDevice(dev, i, lowSpeed)) {
va009039 12:b91fdea8c0a7 56 ClearPortPower(dev, i); // power off
va009039 12:b91fdea8c0a7 57 }
va009039 12:b91fdea8c0a7 58 } else {
va009039 12:b91fdea8c0a7 59 ClearPortPower(dev, i); // power off
va009039 12:b91fdea8c0a7 60 }
va009039 12:b91fdea8c0a7 61 }
va009039 12:b91fdea8c0a7 62 return false;
va009039 12:b91fdea8c0a7 63 }
va009039 12:b91fdea8c0a7 64
va009039 12:b91fdea8c0a7 65
va009039 12:b91fdea8c0a7 66 int USBHost::SetPortPower(USBDeviceConnected* dev, int port)
va009039 12:b91fdea8c0a7 67 {
va009039 12:b91fdea8c0a7 68 return SetPortFeature(dev, PORT_POWER, port);
va009039 12:b91fdea8c0a7 69 }
va009039 12:b91fdea8c0a7 70
va009039 12:b91fdea8c0a7 71 int USBHost::ClearPortPower(USBDeviceConnected* dev, int port)
va009039 12:b91fdea8c0a7 72 {
va009039 12:b91fdea8c0a7 73 return ClearPortFeature(dev, PORT_POWER, port);
va009039 12:b91fdea8c0a7 74 }
va009039 12:b91fdea8c0a7 75
va009039 12:b91fdea8c0a7 76 int USBHost::SetPortFeature(USBDeviceConnected* dev, int feature, int index)
va009039 12:b91fdea8c0a7 77 {
va009039 12:b91fdea8c0a7 78 return controlWrite(dev, 0x23, SET_FEATURE,feature,index,0,0);
va009039 12:b91fdea8c0a7 79 }
va009039 12:b91fdea8c0a7 80
va009039 12:b91fdea8c0a7 81 int USBHost::ClearPortFeature(USBDeviceConnected* dev, int feature, int index)
va009039 12:b91fdea8c0a7 82 {
va009039 12:b91fdea8c0a7 83 return controlWrite(dev, 0x23, CLEAR_FEATURE,feature,index,0,0);
va009039 12:b91fdea8c0a7 84 }
va009039 12:b91fdea8c0a7 85
va009039 12:b91fdea8c0a7 86 int USBHost::SetPortReset(USBDeviceConnected* dev, int port)
va009039 12:b91fdea8c0a7 87 {
va009039 12:b91fdea8c0a7 88 return SetPortFeature(dev, PORT_RESET, port);
va009039 12:b91fdea8c0a7 89 }
va009039 12:b91fdea8c0a7 90
va009039 12:b91fdea8c0a7 91 int USBHost::GetPortStatus(USBDeviceConnected* dev, int port, uint32_t* status)
va009039 12:b91fdea8c0a7 92 {
va009039 12:b91fdea8c0a7 93 return controlRead(dev, 0xa3, GET_STATUS, 0, port, (uint8_t*)status, 4);
va009039 12:b91fdea8c0a7 94 }
va009039 12:b91fdea8c0a7 95
va009039 12:b91fdea8c0a7 96 int USBHost::PortReset(USBDeviceConnected* dev, int port)
va009039 12:b91fdea8c0a7 97 {
va009039 12:b91fdea8c0a7 98 USB_DBG("%p port=%d\n", this, port);
va009039 12:b91fdea8c0a7 99 USB_TEST_ASSERT(port >= 1);
va009039 12:b91fdea8c0a7 100 SetPortReset(dev, port);
va009039 12:b91fdea8c0a7 101 // wait reset
va009039 12:b91fdea8c0a7 102 for(int i = 0; i < 100; i++) {
va009039 12:b91fdea8c0a7 103 uint32_t status;
va009039 12:b91fdea8c0a7 104 GetPortStatus(dev, port, &status);
va009039 12:b91fdea8c0a7 105 USB_DBG("RESET port: %d status: %08X\n", port, status);
va009039 12:b91fdea8c0a7 106 if (status & 0x100000) { // Reset change , Reset complete
va009039 12:b91fdea8c0a7 107 return USB_TYPE_OK;
va009039 12:b91fdea8c0a7 108 }
va009039 12:b91fdea8c0a7 109 wait_ms(5);
va009039 12:b91fdea8c0a7 110 }
va009039 12:b91fdea8c0a7 111 return USB_TYPE_ERROR;
va009039 12:b91fdea8c0a7 112 }