KRAI 2017 / Mbed 2 deprecated USBPAD

dari pinpin usb langsung

Dependencies:   mbed

Fork of Nucleo_Ex04_USBPAD by woodstock .

USBHost/USBHostHub.cpp@0:b5f79b4f741d, 2016-03-15 (annotated)

Committer:
beaglescout007
Date:
Tue Mar 15 11:39:04 2016 +0000
Revision:
0:b5f79b4f741d
Release

Who changed what in which revision?

UserRevisionLine numberNew contents of line
beaglescout007 0:b5f79b4f741d 1 #include "USBHost.h"
beaglescout007 0:b5f79b4f741d 2
beaglescout007 0:b5f79b4f741d 3 #define PORT_CONNECTION 0
beaglescout007 0:b5f79b4f741d 4 #define PORT_ENABLE 1
beaglescout007 0:b5f79b4f741d 5 #define PORT_SUSPEND 2
beaglescout007 0:b5f79b4f741d 6 #define PORT_OVER_CURRENT 3
beaglescout007 0:b5f79b4f741d 7 #define PORT_RESET 4
beaglescout007 0:b5f79b4f741d 8 #define PORT_POWER 8
beaglescout007 0:b5f79b4f741d 9 #define PORT_LOW_SPEED 9
beaglescout007 0:b5f79b4f741d 10
beaglescout007 0:b5f79b4f741d 11 #define C_PORT_CONNECTION 16
beaglescout007 0:b5f79b4f741d 12 #define C_PORT_ENABLE 17
beaglescout007 0:b5f79b4f741d 13 #define C_PORT_SUSPEND 18
beaglescout007 0:b5f79b4f741d 14 #define C_PORT_OVER_CURRENT 19
beaglescout007 0:b5f79b4f741d 15 #define C_PORT_RESET 20
beaglescout007 0:b5f79b4f741d 16
beaglescout007 0:b5f79b4f741d 17 bool USBHost::Hub(USBDeviceConnected* dev) {
beaglescout007 0:b5f79b4f741d 18 USB_INFO("New HUB: VID:%04x PID:%04x [dev: %p]", dev->getVid(), dev->getPid(), dev);
beaglescout007 0:b5f79b4f741d 19 HubDescriptor hubdesc;
beaglescout007 0:b5f79b4f741d 20 // get HUB descriptor
beaglescout007 0:b5f79b4f741d 21 int rc = controlRead(dev,
beaglescout007 0:b5f79b4f741d 22 USB_DEVICE_TO_HOST | USB_REQUEST_TYPE_CLASS,
beaglescout007 0:b5f79b4f741d 23 GET_DESCRIPTOR,
beaglescout007 0:b5f79b4f741d 24 0x29 << 8, 0, reinterpret_cast<uint8_t*>(&hubdesc),
beaglescout007 0:b5f79b4f741d 25 sizeof(HubDescriptor));
beaglescout007 0:b5f79b4f741d 26 USB_TEST_ASSERT(rc == USB_TYPE_OK);
beaglescout007 0:b5f79b4f741d 27 if (rc != USB_TYPE_OK) {
beaglescout007 0:b5f79b4f741d 28 return false;
beaglescout007 0:b5f79b4f741d 29 }
beaglescout007 0:b5f79b4f741d 30 USB_DBG_HEX((uint8_t*)&hubdesc, sizeof(hubdesc));
beaglescout007 0:b5f79b4f741d 31
beaglescout007 0:b5f79b4f741d 32 uint32_t status;
beaglescout007 0:b5f79b4f741d 33 rc = controlRead( dev,
beaglescout007 0:b5f79b4f741d 34 0xa0, 0, 0, 0, reinterpret_cast<uint8_t*>(&status), 4);
beaglescout007 0:b5f79b4f741d 35 USB_TEST_ASSERT(rc == USB_TYPE_OK);
beaglescout007 0:b5f79b4f741d 36 if (rc != USB_TYPE_OK) {
beaglescout007 0:b5f79b4f741d 37 return false;
beaglescout007 0:b5f79b4f741d 38 }
beaglescout007 0:b5f79b4f741d 39 USB_DBG("HUB STATUS: %08X\n", status);
beaglescout007 0:b5f79b4f741d 40
beaglescout007 0:b5f79b4f741d 41 for(int i = 1; i <= hubdesc.bNbrPorts; i++) {
beaglescout007 0:b5f79b4f741d 42 SetPortPower(dev, i); // power on
beaglescout007 0:b5f79b4f741d 43 wait_ms(hubdesc.bPwrOn2PwrGood*2);
beaglescout007 0:b5f79b4f741d 44 uint32_t status;
beaglescout007 0:b5f79b4f741d 45 GetPortStatus(dev, i, &status);
beaglescout007 0:b5f79b4f741d 46 USB_DBG("port: %d status: %08X\n", i, status);
beaglescout007 0:b5f79b4f741d 47 if (status & 0x010000) { // Connect Status Change, has changed
beaglescout007 0:b5f79b4f741d 48 USB_TEST_ASSERT(status & 0x000001);
beaglescout007 0:b5f79b4f741d 49 ClearPortFeature(dev, C_PORT_CONNECTION, i);
beaglescout007 0:b5f79b4f741d 50 int lowSpeed = 0;
beaglescout007 0:b5f79b4f741d 51 if (status & 0x0200) {
beaglescout007 0:b5f79b4f741d 52 lowSpeed = 1;
beaglescout007 0:b5f79b4f741d 53 }
beaglescout007 0:b5f79b4f741d 54 PortReset(dev, i);
beaglescout007 0:b5f79b4f741d 55 if (!addDevice(dev, i, lowSpeed)) {
beaglescout007 0:b5f79b4f741d 56 ClearPortPower(dev, i); // power off
beaglescout007 0:b5f79b4f741d 57 }
beaglescout007 0:b5f79b4f741d 58 } else {
beaglescout007 0:b5f79b4f741d 59 ClearPortPower(dev, i); // power off
beaglescout007 0:b5f79b4f741d 60 }
beaglescout007 0:b5f79b4f741d 61 }
beaglescout007 0:b5f79b4f741d 62 return false;
beaglescout007 0:b5f79b4f741d 63 }
beaglescout007 0:b5f79b4f741d 64
beaglescout007 0:b5f79b4f741d 65
beaglescout007 0:b5f79b4f741d 66 int USBHost::SetPortPower(USBDeviceConnected* dev, int port)
beaglescout007 0:b5f79b4f741d 67 {
beaglescout007 0:b5f79b4f741d 68 return SetPortFeature(dev, PORT_POWER, port);
beaglescout007 0:b5f79b4f741d 69 }
beaglescout007 0:b5f79b4f741d 70
beaglescout007 0:b5f79b4f741d 71 int USBHost::ClearPortPower(USBDeviceConnected* dev, int port)
beaglescout007 0:b5f79b4f741d 72 {
beaglescout007 0:b5f79b4f741d 73 return ClearPortFeature(dev, PORT_POWER, port);
beaglescout007 0:b5f79b4f741d 74 }
beaglescout007 0:b5f79b4f741d 75
beaglescout007 0:b5f79b4f741d 76 int USBHost::SetPortFeature(USBDeviceConnected* dev, int feature, int index)
beaglescout007 0:b5f79b4f741d 77 {
beaglescout007 0:b5f79b4f741d 78 return controlWrite(dev, 0x23, SET_FEATURE,feature,index,0,0);
beaglescout007 0:b5f79b4f741d 79 }
beaglescout007 0:b5f79b4f741d 80
beaglescout007 0:b5f79b4f741d 81 int USBHost::ClearPortFeature(USBDeviceConnected* dev, int feature, int index)
beaglescout007 0:b5f79b4f741d 82 {
beaglescout007 0:b5f79b4f741d 83 return controlWrite(dev, 0x23, CLEAR_FEATURE,feature,index,0,0);
beaglescout007 0:b5f79b4f741d 84 }
beaglescout007 0:b5f79b4f741d 85
beaglescout007 0:b5f79b4f741d 86 int USBHost::SetPortReset(USBDeviceConnected* dev, int port)
beaglescout007 0:b5f79b4f741d 87 {
beaglescout007 0:b5f79b4f741d 88 return SetPortFeature(dev, PORT_RESET, port);
beaglescout007 0:b5f79b4f741d 89 }
beaglescout007 0:b5f79b4f741d 90
beaglescout007 0:b5f79b4f741d 91 int USBHost::GetPortStatus(USBDeviceConnected* dev, int port, uint32_t* status)
beaglescout007 0:b5f79b4f741d 92 {
beaglescout007 0:b5f79b4f741d 93 return controlRead(dev, 0xa3, GET_STATUS, 0, port, (uint8_t*)status, 4);
beaglescout007 0:b5f79b4f741d 94 }
beaglescout007 0:b5f79b4f741d 95
beaglescout007 0:b5f79b4f741d 96 int USBHost::PortReset(USBDeviceConnected* dev, int port)
beaglescout007 0:b5f79b4f741d 97 {
beaglescout007 0:b5f79b4f741d 98 USB_DBG("%p port=%d\n", this, port);
beaglescout007 0:b5f79b4f741d 99 USB_TEST_ASSERT(port >= 1);
beaglescout007 0:b5f79b4f741d 100 SetPortReset(dev, port);
beaglescout007 0:b5f79b4f741d 101 // wait reset
beaglescout007 0:b5f79b4f741d 102 for(int i = 0; i < 100; i++) {
beaglescout007 0:b5f79b4f741d 103 uint32_t status;
beaglescout007 0:b5f79b4f741d 104 GetPortStatus(dev, port, &status);
beaglescout007 0:b5f79b4f741d 105 USB_DBG("RESET port: %d status: %08X\n", port, status);
beaglescout007 0:b5f79b4f741d 106 if (status & 0x100000) { // Reset change , Reset complete
beaglescout007 0:b5f79b4f741d 107 return USB_TYPE_OK;
beaglescout007 0:b5f79b4f741d 108 }
beaglescout007 0:b5f79b4f741d 109 wait_ms(5);
beaglescout007 0:b5f79b4f741d 110 }
beaglescout007 0:b5f79b4f741d 111 return USB_TYPE_ERROR;
beaglescout007 0:b5f79b4f741d 112 }
beaglescout007 0:b5f79b4f741d 113