Axeda Corp / Mbed 2 deprecated AxedaGo-Freescal_FRDM-KL46Z

Axeda Ready Demo for Freescale FRDM-KL46Z as accident alert system

Dependencies:   FRDM_MMA8451Q KL46Z-USBHost MAG3110 SocketModem TSI mbed FATFileSystem

Fork of AxedaGo-Freescal_FRDM-KL46Z by Axeda Corp

KL46Z-USBHost/USBHost/USBHostHub.cpp@0:65004368569c, 2014-07-01 (annotated)

Committer:
AxedaCorp
Date:
Tue Jul 01 21:31:54 2014 +0000
Revision:
0:65004368569c
Made initial

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AxedaCorp 0:65004368569c 1 #include "USBHost.h"
AxedaCorp 0:65004368569c 2
AxedaCorp 0:65004368569c 3 #ifdef _USB_DBG
AxedaCorp 0:65004368569c 4 #define USB_DBG(...) do{fprintf(stderr,"[%s@%d] ",__PRETTY_FUNCTION__,__LINE__);fprintf(stderr,__VA_ARGS__);fprintf(stderr,"\n");} while(0);
AxedaCorp 0:65004368569c 5 #define USB_DBG_HEX(A,B) debug_hex(A,B)
AxedaCorp 0:65004368569c 6 extern void debug_hex(uint8_t* buf, int size);
AxedaCorp 0:65004368569c 7 #else
AxedaCorp 0:65004368569c 8 #define USB_DBG(...) while(0)
AxedaCorp 0:65004368569c 9 #define USB_DBG_HEX(A,B) while(0)
AxedaCorp 0:65004368569c 10 #endif
AxedaCorp 0:65004368569c 11
AxedaCorp 0:65004368569c 12 #ifdef _USB_TEST
AxedaCorp 0:65004368569c 13 #define USB_TEST_ASSERT(A) while(!(A)){fprintf(stderr,"\n\n%s@%d %s ASSERT!\n\n",__PRETTY_FUNCTION__,__LINE__,#A);exit(1);};
AxedaCorp 0:65004368569c 14 #define USB_TEST_ASSERT_FALSE(A) USB_TEST_ASSERT(!(A))
AxedaCorp 0:65004368569c 15 #else
AxedaCorp 0:65004368569c 16 #define USB_TEST_ASSERT(A) while(0)
AxedaCorp 0:65004368569c 17 #define USB_TEST_ASSERT_FALSE(A) while(0)
AxedaCorp 0:65004368569c 18 #endif
AxedaCorp 0:65004368569c 19
AxedaCorp 0:65004368569c 20 #define PORT_CONNECTION 0
AxedaCorp 0:65004368569c 21 #define PORT_ENABLE 1
AxedaCorp 0:65004368569c 22 #define PORT_SUSPEND 2
AxedaCorp 0:65004368569c 23 #define PORT_OVER_CURRENT 3
AxedaCorp 0:65004368569c 24 #define PORT_RESET 4
AxedaCorp 0:65004368569c 25 #define PORT_POWER 8
AxedaCorp 0:65004368569c 26 #define PORT_LOW_SPEED 9
AxedaCorp 0:65004368569c 27
AxedaCorp 0:65004368569c 28 #define C_PORT_CONNECTION 16
AxedaCorp 0:65004368569c 29 #define C_PORT_ENABLE 17
AxedaCorp 0:65004368569c 30 #define C_PORT_SUSPEND 18
AxedaCorp 0:65004368569c 31 #define C_PORT_OVER_CURRENT 19
AxedaCorp 0:65004368569c 32 #define C_PORT_RESET 20
AxedaCorp 0:65004368569c 33
AxedaCorp 0:65004368569c 34 bool USBHost::Hub(USBDeviceConnected* dev) {
AxedaCorp 0:65004368569c 35 HubDescriptor hubdesc;
AxedaCorp 0:65004368569c 36 // get HUB descriptor
AxedaCorp 0:65004368569c 37 int rc = controlRead(dev,
AxedaCorp 0:65004368569c 38 USB_DEVICE_TO_HOST | USB_REQUEST_TYPE_CLASS,
AxedaCorp 0:65004368569c 39 GET_DESCRIPTOR,
AxedaCorp 0:65004368569c 40 0x29 << 8, 0, reinterpret_cast<uint8_t*>(&hubdesc),
AxedaCorp 0:65004368569c 41 sizeof(HubDescriptor));
AxedaCorp 0:65004368569c 42 USB_TEST_ASSERT(rc == USB_TYPE_OK);
AxedaCorp 0:65004368569c 43 if (rc != USB_TYPE_OK) {
AxedaCorp 0:65004368569c 44 return false;
AxedaCorp 0:65004368569c 45 }
AxedaCorp 0:65004368569c 46 USB_DBG_HEX((uint8_t*)&hubdesc, sizeof(hubdesc));
AxedaCorp 0:65004368569c 47
AxedaCorp 0:65004368569c 48 uint32_t status;
AxedaCorp 0:65004368569c 49 rc = controlRead( dev,
AxedaCorp 0:65004368569c 50 0xa0, 0, 0, 0, reinterpret_cast<uint8_t*>(&status), 4);
AxedaCorp 0:65004368569c 51 USB_TEST_ASSERT(rc == USB_TYPE_OK);
AxedaCorp 0:65004368569c 52 if (rc != USB_TYPE_OK) {
AxedaCorp 0:65004368569c 53 return false;
AxedaCorp 0:65004368569c 54 }
AxedaCorp 0:65004368569c 55 USB_DBG("HUB STATUS: %08X\n", status);
AxedaCorp 0:65004368569c 56
AxedaCorp 0:65004368569c 57 for(int i = 1; i <= hubdesc.bNbrPorts; i++) {
AxedaCorp 0:65004368569c 58 SetPortPower(dev, i); // power on
AxedaCorp 0:65004368569c 59 wait_ms(hubdesc.bPwrOn2PwrGood*2);
AxedaCorp 0:65004368569c 60 uint32_t status;
AxedaCorp 0:65004368569c 61 GetPortStatus(dev, i, &status);
AxedaCorp 0:65004368569c 62 USB_DBG("port: %d status: %08X\n", i, status);
AxedaCorp 0:65004368569c 63 if (status & 0x010000) { // Connect Status Change, has changed
AxedaCorp 0:65004368569c 64 USB_TEST_ASSERT(status & 0x000001);
AxedaCorp 0:65004368569c 65 ClearPortFeature(dev, C_PORT_CONNECTION, i);
AxedaCorp 0:65004368569c 66 int lowSpeed = 0;
AxedaCorp 0:65004368569c 67 if (status & 0x0200) {
AxedaCorp 0:65004368569c 68 lowSpeed = 1;
AxedaCorp 0:65004368569c 69 }
AxedaCorp 0:65004368569c 70 PortReset(dev, i);
AxedaCorp 0:65004368569c 71 if (!addDevice(1, i, lowSpeed)) {
AxedaCorp 0:65004368569c 72 ClearPortPower(dev, i); // power off
AxedaCorp 0:65004368569c 73 }
AxedaCorp 0:65004368569c 74 } else {
AxedaCorp 0:65004368569c 75 ClearPortPower(dev, i); // power off
AxedaCorp 0:65004368569c 76 }
AxedaCorp 0:65004368569c 77 }
AxedaCorp 0:65004368569c 78 return false;
AxedaCorp 0:65004368569c 79 }
AxedaCorp 0:65004368569c 80
AxedaCorp 0:65004368569c 81
AxedaCorp 0:65004368569c 82 int USBHost::SetPortPower(USBDeviceConnected* dev, int port)
AxedaCorp 0:65004368569c 83 {
AxedaCorp 0:65004368569c 84 return SetPortFeature(dev, PORT_POWER, port);
AxedaCorp 0:65004368569c 85 }
AxedaCorp 0:65004368569c 86
AxedaCorp 0:65004368569c 87 int USBHost::ClearPortPower(USBDeviceConnected* dev, int port)
AxedaCorp 0:65004368569c 88 {
AxedaCorp 0:65004368569c 89 return ClearPortFeature(dev, PORT_POWER, port);
AxedaCorp 0:65004368569c 90 }
AxedaCorp 0:65004368569c 91
AxedaCorp 0:65004368569c 92 int USBHost::SetPortFeature(USBDeviceConnected* dev, int feature, int index)
AxedaCorp 0:65004368569c 93 {
AxedaCorp 0:65004368569c 94 return controlWrite(dev, 0x23, SET_FEATURE,feature,index,0,0);
AxedaCorp 0:65004368569c 95 }
AxedaCorp 0:65004368569c 96
AxedaCorp 0:65004368569c 97 int USBHost::ClearPortFeature(USBDeviceConnected* dev, int feature, int index)
AxedaCorp 0:65004368569c 98 {
AxedaCorp 0:65004368569c 99 return controlWrite(dev, 0x23, CLEAR_FEATURE,feature,index,0,0);
AxedaCorp 0:65004368569c 100 }
AxedaCorp 0:65004368569c 101
AxedaCorp 0:65004368569c 102 int USBHost::SetPortReset(USBDeviceConnected* dev, int port)
AxedaCorp 0:65004368569c 103 {
AxedaCorp 0:65004368569c 104 return SetPortFeature(dev, PORT_RESET, port);
AxedaCorp 0:65004368569c 105 }
AxedaCorp 0:65004368569c 106
AxedaCorp 0:65004368569c 107 int USBHost::GetPortStatus(USBDeviceConnected* dev, int port, uint32_t* status)
AxedaCorp 0:65004368569c 108 {
AxedaCorp 0:65004368569c 109 return controlRead(dev, 0xa3, GET_STATUS, 0, port, (uint8_t*)status, 4);
AxedaCorp 0:65004368569c 110 }
AxedaCorp 0:65004368569c 111
AxedaCorp 0:65004368569c 112 int USBHost::PortReset(USBDeviceConnected* dev, int port)
AxedaCorp 0:65004368569c 113 {
AxedaCorp 0:65004368569c 114 USB_DBG("%p port=%d\n", this, port);
AxedaCorp 0:65004368569c 115 USB_TEST_ASSERT(port >= 1);
AxedaCorp 0:65004368569c 116 SetPortReset(dev, port);
AxedaCorp 0:65004368569c 117 // wait reset
AxedaCorp 0:65004368569c 118 for(int i = 0; i < 100; i++) {
AxedaCorp 0:65004368569c 119 uint32_t status;
AxedaCorp 0:65004368569c 120 GetPortStatus(dev, port, &status);
AxedaCorp 0:65004368569c 121 USB_DBG("RESET port: %d status: %08X\n", port, status);
AxedaCorp 0:65004368569c 122 if (status & 0x100000) { // Reset change , Reset complete
AxedaCorp 0:65004368569c 123 return USB_TYPE_OK;
AxedaCorp 0:65004368569c 124 }
AxedaCorp 0:65004368569c 125 wait_ms(5);
AxedaCorp 0:65004368569c 126 }
AxedaCorp 0:65004368569c 127 return USB_TYPE_ERROR;
AxedaCorp 0:65004368569c 128 }