データのサイズが4800で制限されているようだったので、 /uvchost/uvc/uvc.cpp内の int uvc::get_jpeg(const char* path) const int size = 9600; に変更。
Fork of uvchost by
usb/UsbHostMgr.cpp@4:97438d526ad3, 2013-02-10 (annotated)
- Committer:
- Dromar
- Date:
- Sun Feb 10 15:20:36 2013 +0000
- Revision:
- 4:97438d526ad3
- Parent:
- 0:b0f04c137829
????????4800????????????????; /uvchost/uvc/uvc.cpp??; int uvc::get_jpeg(const char* path); const int size = 9600;; ????
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
va009039 | 0:b0f04c137829 | 1 | |
va009039 | 0:b0f04c137829 | 2 | /* |
va009039 | 0:b0f04c137829 | 3 | Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com) |
va009039 | 0:b0f04c137829 | 4 | |
va009039 | 0:b0f04c137829 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy |
va009039 | 0:b0f04c137829 | 6 | of this software and associated documentation files (the "Software"), to deal |
va009039 | 0:b0f04c137829 | 7 | in the Software without restriction, including without limitation the rights |
va009039 | 0:b0f04c137829 | 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
va009039 | 0:b0f04c137829 | 9 | copies of the Software, and to permit persons to whom the Software is |
va009039 | 0:b0f04c137829 | 10 | furnished to do so, subject to the following conditions: |
va009039 | 0:b0f04c137829 | 11 | |
va009039 | 0:b0f04c137829 | 12 | The above copyright notice and this permission notice shall be included in |
va009039 | 0:b0f04c137829 | 13 | all copies or substantial portions of the Software. |
va009039 | 0:b0f04c137829 | 14 | |
va009039 | 0:b0f04c137829 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
va009039 | 0:b0f04c137829 | 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
va009039 | 0:b0f04c137829 | 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
va009039 | 0:b0f04c137829 | 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
va009039 | 0:b0f04c137829 | 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
va009039 | 0:b0f04c137829 | 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
va009039 | 0:b0f04c137829 | 21 | THE SOFTWARE. |
va009039 | 0:b0f04c137829 | 22 | */ |
va009039 | 0:b0f04c137829 | 23 | #include "UsbHostMgr.h" |
va009039 | 0:b0f04c137829 | 24 | #include "usb_mem.h" |
va009039 | 0:b0f04c137829 | 25 | #include "string.h" //For memcpy, memmove, memset |
va009039 | 0:b0f04c137829 | 26 | //#define __DEBUG |
va009039 | 0:b0f04c137829 | 27 | //#define __DEBUG3 |
va009039 | 0:b0f04c137829 | 28 | //#include "dbg/dbg.h" |
va009039 | 0:b0f04c137829 | 29 | #include "mydbg.h" |
va009039 | 0:b0f04c137829 | 30 | |
va009039 | 0:b0f04c137829 | 31 | // bits of the USB/OTG clock control register |
va009039 | 0:b0f04c137829 | 32 | #define HOST_CLK_EN (1<<0) |
va009039 | 0:b0f04c137829 | 33 | #define DEV_CLK_EN (1<<1) |
va009039 | 0:b0f04c137829 | 34 | #define PORTSEL_CLK_EN (1<<3) |
va009039 | 0:b0f04c137829 | 35 | #define AHB_CLK_EN (1<<4) |
va009039 | 0:b0f04c137829 | 36 | |
va009039 | 0:b0f04c137829 | 37 | // bits of the USB/OTG clock status register |
va009039 | 0:b0f04c137829 | 38 | #define HOST_CLK_ON (1<<0) |
va009039 | 0:b0f04c137829 | 39 | #define DEV_CLK_ON (1<<1) |
va009039 | 0:b0f04c137829 | 40 | #define PORTSEL_CLK_ON (1<<3) |
va009039 | 0:b0f04c137829 | 41 | #define AHB_CLK_ON (1<<4) |
va009039 | 0:b0f04c137829 | 42 | |
va009039 | 0:b0f04c137829 | 43 | // we need host clock, OTG/portsel clock and AHB clock |
va009039 | 0:b0f04c137829 | 44 | #define CLOCK_MASK (HOST_CLK_EN | PORTSEL_CLK_EN | AHB_CLK_EN) |
va009039 | 0:b0f04c137829 | 45 | |
va009039 | 0:b0f04c137829 | 46 | static UsbHostMgr* pMgr = NULL; |
va009039 | 0:b0f04c137829 | 47 | |
va009039 | 0:b0f04c137829 | 48 | extern "C" void sUsbIrqhandler(void) __irq |
va009039 | 0:b0f04c137829 | 49 | { |
va009039 | 0:b0f04c137829 | 50 | DBG("\n+Int\n"); |
va009039 | 0:b0f04c137829 | 51 | if(pMgr) |
va009039 | 0:b0f04c137829 | 52 | pMgr->UsbIrqhandler(); |
va009039 | 0:b0f04c137829 | 53 | DBG("\n-Int\n"); |
va009039 | 0:b0f04c137829 | 54 | return; |
va009039 | 0:b0f04c137829 | 55 | } |
va009039 | 0:b0f04c137829 | 56 | |
va009039 | 0:b0f04c137829 | 57 | UsbHostMgr::UsbHostMgr() : m_lpDevices() |
va009039 | 0:b0f04c137829 | 58 | { |
va009039 | 0:b0f04c137829 | 59 | /*if(!pMgr)*/ //Assume singleton |
va009039 | 0:b0f04c137829 | 60 | pMgr = this; |
va009039 | 0:b0f04c137829 | 61 | usb_mem_init(); |
va009039 | 0:b0f04c137829 | 62 | for(int i = 0; i < USB_HOSTMGR_MAX_DEVS; i++) { |
va009039 | 0:b0f04c137829 | 63 | m_lpDevices[i] = NULL; |
va009039 | 0:b0f04c137829 | 64 | } |
va009039 | 0:b0f04c137829 | 65 | m_pHcca = (HCCA*) usb_get_hcca(); |
va009039 | 0:b0f04c137829 | 66 | memset((void*)m_pHcca, 0, 0x100); |
va009039 | 0:b0f04c137829 | 67 | m_hardware_init = false; |
va009039 | 0:b0f04c137829 | 68 | DBG("Host manager at %p\n", this); |
va009039 | 0:b0f04c137829 | 69 | } |
va009039 | 0:b0f04c137829 | 70 | |
va009039 | 0:b0f04c137829 | 71 | UsbHostMgr::~UsbHostMgr() |
va009039 | 0:b0f04c137829 | 72 | { |
va009039 | 0:b0f04c137829 | 73 | if(pMgr == this) |
va009039 | 0:b0f04c137829 | 74 | pMgr = NULL; |
va009039 | 0:b0f04c137829 | 75 | } |
va009039 | 0:b0f04c137829 | 76 | |
va009039 | 0:b0f04c137829 | 77 | UsbErr UsbHostMgr::init() //Initialize host |
va009039 | 0:b0f04c137829 | 78 | { |
va009039 | 0:b0f04c137829 | 79 | DBG("m_hardware_init=%d\n", m_hardware_init); |
va009039 | 0:b0f04c137829 | 80 | if(m_hardware_init) { |
va009039 | 0:b0f04c137829 | 81 | return USBERR_OK; |
va009039 | 0:b0f04c137829 | 82 | } |
va009039 | 0:b0f04c137829 | 83 | |
va009039 | 0:b0f04c137829 | 84 | NVIC_DisableIRQ(USB_IRQn); /* Disable the USB interrupt source */ |
va009039 | 0:b0f04c137829 | 85 | |
va009039 | 0:b0f04c137829 | 86 | LPC_SC->PCONP &= ~(1UL<<31); //Cut power |
va009039 | 0:b0f04c137829 | 87 | wait(1); |
va009039 | 0:b0f04c137829 | 88 | |
va009039 | 0:b0f04c137829 | 89 | |
va009039 | 0:b0f04c137829 | 90 | // turn on power for USB |
va009039 | 0:b0f04c137829 | 91 | LPC_SC->PCONP |= (1UL<<31); |
va009039 | 0:b0f04c137829 | 92 | // Enable USB host clock, port selection and AHB clock |
va009039 | 0:b0f04c137829 | 93 | LPC_USB->USBClkCtrl |= CLOCK_MASK; |
va009039 | 0:b0f04c137829 | 94 | // Wait for clocks to become available |
va009039 | 0:b0f04c137829 | 95 | while ((LPC_USB->USBClkSt & CLOCK_MASK) != CLOCK_MASK) |
va009039 | 0:b0f04c137829 | 96 | ; |
va009039 | 0:b0f04c137829 | 97 | |
va009039 | 0:b0f04c137829 | 98 | // it seems the bits[0:1] mean the following |
va009039 | 0:b0f04c137829 | 99 | // 0: U1=device, U2=host |
va009039 | 0:b0f04c137829 | 100 | // 1: U1=host, U2=host |
va009039 | 0:b0f04c137829 | 101 | // 2: reserved |
va009039 | 0:b0f04c137829 | 102 | // 3: U1=host, U2=device |
va009039 | 0:b0f04c137829 | 103 | // NB: this register is only available if OTG clock (aka "port select") is enabled!! |
va009039 | 0:b0f04c137829 | 104 | // since we don't care about port 2, set just bit 0 to 1 (U1=host) |
va009039 | 0:b0f04c137829 | 105 | LPC_USB->OTGStCtrl |= 1; |
va009039 | 0:b0f04c137829 | 106 | |
va009039 | 0:b0f04c137829 | 107 | // now that we've configured the ports, we can turn off the portsel clock |
va009039 | 0:b0f04c137829 | 108 | LPC_USB->USBClkCtrl &= ~PORTSEL_CLK_EN; |
va009039 | 0:b0f04c137829 | 109 | |
va009039 | 0:b0f04c137829 | 110 | // power pins are not connected on mbed, so we can skip them |
va009039 | 0:b0f04c137829 | 111 | /* P1[18] = USB_UP_LED, 01 */ |
va009039 | 0:b0f04c137829 | 112 | /* P1[19] = /USB_PPWR, 10 */ |
va009039 | 0:b0f04c137829 | 113 | /* P1[22] = USB_PWRD, 10 */ |
va009039 | 0:b0f04c137829 | 114 | /* P1[27] = /USB_OVRCR, 10 */ |
va009039 | 0:b0f04c137829 | 115 | /*LPC_PINCON->PINSEL3 &= ~((3<<4) | (3<<6) | (3<<12) | (3<<22)); |
va009039 | 0:b0f04c137829 | 116 | LPC_PINCON->PINSEL3 |= ((1<<4)|(2<<6) | (2<<12) | (2<<22)); // 0x00802080 |
va009039 | 0:b0f04c137829 | 117 | */ |
va009039 | 0:b0f04c137829 | 118 | |
va009039 | 0:b0f04c137829 | 119 | // configure USB D+/D- pins |
va009039 | 0:b0f04c137829 | 120 | /* P0[29] = USB_D+, 01 */ |
va009039 | 0:b0f04c137829 | 121 | /* P0[30] = USB_D-, 01 */ |
va009039 | 0:b0f04c137829 | 122 | LPC_PINCON->PINSEL1 &= ~((3<<26) | (3<<28)); |
va009039 | 0:b0f04c137829 | 123 | LPC_PINCON->PINSEL1 |= ((1<<26)|(1<<28)); // 0x14000000 |
va009039 | 0:b0f04c137829 | 124 | |
va009039 | 0:b0f04c137829 | 125 | DBG("Initializing Host Stack\n"); |
va009039 | 0:b0f04c137829 | 126 | |
va009039 | 0:b0f04c137829 | 127 | wait_ms(100); /* Wait 50 ms before apply reset */ |
va009039 | 0:b0f04c137829 | 128 | LPC_USB->HcControl = 0; /* HARDWARE RESET */ |
va009039 | 0:b0f04c137829 | 129 | LPC_USB->HcControlHeadED = 0; /* Initialize Control list head to Zero */ |
va009039 | 0:b0f04c137829 | 130 | LPC_USB->HcBulkHeadED = 0; /* Initialize Bulk list head to Zero */ |
va009039 | 0:b0f04c137829 | 131 | |
va009039 | 0:b0f04c137829 | 132 | /* SOFTWARE RESET */ |
va009039 | 0:b0f04c137829 | 133 | LPC_USB->HcCommandStatus = OR_CMD_STATUS_HCR; |
va009039 | 0:b0f04c137829 | 134 | LPC_USB->HcFmInterval = DEFAULT_FMINTERVAL; /* Write Fm Interval and Largest Data Packet Counter */ |
va009039 | 0:b0f04c137829 | 135 | LPC_USB->HcPeriodicStart = FI*90/100; |
va009039 | 0:b0f04c137829 | 136 | |
va009039 | 0:b0f04c137829 | 137 | /* Put HC in operational state */ |
va009039 | 0:b0f04c137829 | 138 | LPC_USB->HcControl = (LPC_USB->HcControl & (~OR_CONTROL_HCFS)) | OR_CONTROL_HC_OPER; |
va009039 | 0:b0f04c137829 | 139 | LPC_USB->HcRhStatus = OR_RH_STATUS_LPSC; /* Set Global Power */ |
va009039 | 0:b0f04c137829 | 140 | |
va009039 | 0:b0f04c137829 | 141 | LPC_USB->HcHCCA = (uint32_t)(m_pHcca); |
va009039 | 0:b0f04c137829 | 142 | LPC_USB->HcInterruptStatus |= LPC_USB->HcInterruptStatus; /* Clear Interrrupt Status */ |
va009039 | 0:b0f04c137829 | 143 | |
va009039 | 0:b0f04c137829 | 144 | |
va009039 | 0:b0f04c137829 | 145 | LPC_USB->HcInterruptEnable = OR_INTR_ENABLE_MIE | |
va009039 | 0:b0f04c137829 | 146 | OR_INTR_ENABLE_WDH | |
va009039 | 0:b0f04c137829 | 147 | OR_INTR_ENABLE_RHSC; |
va009039 | 0:b0f04c137829 | 148 | |
va009039 | 0:b0f04c137829 | 149 | NVIC_SetPriority(USB_IRQn, 0); /* highest priority */ |
va009039 | 0:b0f04c137829 | 150 | /* Enable the USB Interrupt */ |
va009039 | 0:b0f04c137829 | 151 | NVIC_SetVector(USB_IRQn, (uint32_t)(sUsbIrqhandler)); |
va009039 | 0:b0f04c137829 | 152 | LPC_USB->HcRhPortStatus1 = OR_RH_PORT_CSC; |
va009039 | 0:b0f04c137829 | 153 | LPC_USB->HcRhPortStatus1 = OR_RH_PORT_PRSC; |
va009039 | 0:b0f04c137829 | 154 | |
va009039 | 0:b0f04c137829 | 155 | |
va009039 | 0:b0f04c137829 | 156 | /* Check for any connected devices */ |
va009039 | 0:b0f04c137829 | 157 | //if (LPC_USB->HcRhPortStatus1 & OR_RH_PORT_CCS) //Root device connected |
va009039 | 0:b0f04c137829 | 158 | //{ |
va009039 | 0:b0f04c137829 | 159 | // //Device connected |
va009039 | 0:b0f04c137829 | 160 | // wait(1); |
va009039 | 0:b0f04c137829 | 161 | // DBG("Device connected (%08x)\n", LPC_USB->HcRhPortStatus1); |
va009039 | 0:b0f04c137829 | 162 | // onUsbDeviceConnected(0, 1); //Hub 0 (root hub), Port 1 (count starts at 1) |
va009039 | 0:b0f04c137829 | 163 | //} |
va009039 | 0:b0f04c137829 | 164 | |
va009039 | 0:b0f04c137829 | 165 | DBG("Enabling IRQ\n"); |
va009039 | 0:b0f04c137829 | 166 | NVIC_EnableIRQ(USB_IRQn); |
va009039 | 0:b0f04c137829 | 167 | DBG("End of host stack initialization\n"); |
va009039 | 0:b0f04c137829 | 168 | m_hardware_init = true; |
va009039 | 0:b0f04c137829 | 169 | return USBERR_OK; |
va009039 | 0:b0f04c137829 | 170 | } |
va009039 | 0:b0f04c137829 | 171 | |
va009039 | 0:b0f04c137829 | 172 | UsbErr UsbHostMgr::poll() //Enumerate connected devices, etc |
va009039 | 0:b0f04c137829 | 173 | { |
va009039 | 0:b0f04c137829 | 174 | /* Check for any connected devices */ |
va009039 | 0:b0f04c137829 | 175 | if (LPC_USB->HcRhPortStatus1 & OR_RH_PORT_CCS) //Root device connected |
va009039 | 0:b0f04c137829 | 176 | { |
va009039 | 0:b0f04c137829 | 177 | //Device connected |
va009039 | 0:b0f04c137829 | 178 | wait(1); |
va009039 | 0:b0f04c137829 | 179 | DBG("Device connected (%08x)\n", LPC_USB->HcRhPortStatus1); |
va009039 | 0:b0f04c137829 | 180 | bool lowspeed = false; |
va009039 | 0:b0f04c137829 | 181 | if (LPC_USB->HcRhPortStatus1 & 0x0200) { // lowspeed? |
va009039 | 0:b0f04c137829 | 182 | lowspeed = true; |
va009039 | 0:b0f04c137829 | 183 | } |
va009039 | 0:b0f04c137829 | 184 | onUsbDeviceConnected(0, 1, lowspeed); //Hub 0 (root hub), Port 1 (count starts at 1) |
va009039 | 0:b0f04c137829 | 185 | } |
va009039 | 0:b0f04c137829 | 186 | |
va009039 | 0:b0f04c137829 | 187 | for(int i = 0; i < USB_HOSTMGR_MAX_DEVS; i++) |
va009039 | 0:b0f04c137829 | 188 | { |
va009039 | 0:b0f04c137829 | 189 | UsbDevice* dev = m_lpDevices[i]; |
va009039 | 0:b0f04c137829 | 190 | if (dev == NULL) { |
va009039 | 0:b0f04c137829 | 191 | continue; |
va009039 | 0:b0f04c137829 | 192 | } |
va009039 | 0:b0f04c137829 | 193 | DBG3("%d dev=%p %d %d addr=%d\n", i, dev, dev->m_connected, dev->m_enumerated, dev->m_addr); |
va009039 | 0:b0f04c137829 | 194 | if(dev->m_connected) { |
va009039 | 0:b0f04c137829 | 195 | if (!dev->m_enumerated) { |
va009039 | 0:b0f04c137829 | 196 | dev->enumerate(); |
va009039 | 0:b0f04c137829 | 197 | return USBERR_PROCESSING; |
va009039 | 0:b0f04c137829 | 198 | } |
va009039 | 0:b0f04c137829 | 199 | } |
va009039 | 0:b0f04c137829 | 200 | } |
va009039 | 0:b0f04c137829 | 201 | for(int i = 0; i < USB_HOSTMGR_MAX_DEVS; i++) { |
va009039 | 0:b0f04c137829 | 202 | UsbDevice* dev = m_lpDevices[i]; |
va009039 | 0:b0f04c137829 | 203 | if (dev == NULL) { |
va009039 | 0:b0f04c137829 | 204 | continue; |
va009039 | 0:b0f04c137829 | 205 | } |
va009039 | 0:b0f04c137829 | 206 | if (dev->m_connected && dev->m_enumerated) { |
va009039 | 0:b0f04c137829 | 207 | if (dev->m_DeviceClass == 0x09) { // HUB |
va009039 | 0:b0f04c137829 | 208 | UsbErr rc = dev->hub_poll(); |
va009039 | 0:b0f04c137829 | 209 | if (rc == USBERR_PROCESSING) { |
va009039 | 0:b0f04c137829 | 210 | return USBERR_PROCESSING; |
va009039 | 0:b0f04c137829 | 211 | } |
va009039 | 0:b0f04c137829 | 212 | } |
va009039 | 0:b0f04c137829 | 213 | } |
va009039 | 0:b0f04c137829 | 214 | } |
va009039 | 0:b0f04c137829 | 215 | return USBERR_OK; |
va009039 | 0:b0f04c137829 | 216 | } |
va009039 | 0:b0f04c137829 | 217 | |
va009039 | 0:b0f04c137829 | 218 | int UsbHostMgr::devicesCount() |
va009039 | 0:b0f04c137829 | 219 | { |
va009039 | 0:b0f04c137829 | 220 | int i; |
va009039 | 0:b0f04c137829 | 221 | for(i = 0; i < USB_HOSTMGR_MAX_DEVS; i++) |
va009039 | 0:b0f04c137829 | 222 | { |
va009039 | 0:b0f04c137829 | 223 | if (m_lpDevices[i] == NULL) { |
va009039 | 0:b0f04c137829 | 224 | return i; |
va009039 | 0:b0f04c137829 | 225 | } |
va009039 | 0:b0f04c137829 | 226 | } |
va009039 | 0:b0f04c137829 | 227 | return i; |
va009039 | 0:b0f04c137829 | 228 | } |
va009039 | 0:b0f04c137829 | 229 | |
va009039 | 0:b0f04c137829 | 230 | UsbDevice* UsbHostMgr::getDevice(int item) |
va009039 | 0:b0f04c137829 | 231 | { |
va009039 | 0:b0f04c137829 | 232 | UsbDevice* pDev = m_lpDevices[item]; |
va009039 | 0:b0f04c137829 | 233 | if(!pDev) |
va009039 | 0:b0f04c137829 | 234 | return NULL; |
va009039 | 0:b0f04c137829 | 235 | |
va009039 | 0:b0f04c137829 | 236 | pDev->m_refs++; |
va009039 | 0:b0f04c137829 | 237 | return pDev; |
va009039 | 0:b0f04c137829 | 238 | } |
va009039 | 0:b0f04c137829 | 239 | |
va009039 | 0:b0f04c137829 | 240 | void UsbHostMgr::releaseDevice(UsbDevice* pDev) |
va009039 | 0:b0f04c137829 | 241 | { |
va009039 | 0:b0f04c137829 | 242 | pDev->m_refs--; |
va009039 | 0:b0f04c137829 | 243 | if(pDev->m_refs > 0) |
va009039 | 0:b0f04c137829 | 244 | return; |
va009039 | 0:b0f04c137829 | 245 | //If refs count = 0, delete |
va009039 | 0:b0f04c137829 | 246 | //Find & remove from list |
va009039 | 0:b0f04c137829 | 247 | int i; |
va009039 | 0:b0f04c137829 | 248 | for(i = 0; i < USB_HOSTMGR_MAX_DEVS; i++) |
va009039 | 0:b0f04c137829 | 249 | { |
va009039 | 0:b0f04c137829 | 250 | if (m_lpDevices[i] == pDev) |
va009039 | 0:b0f04c137829 | 251 | break; |
va009039 | 0:b0f04c137829 | 252 | } |
va009039 | 0:b0f04c137829 | 253 | if(i!=USB_HOSTMGR_MAX_DEVS) |
va009039 | 0:b0f04c137829 | 254 | memmove(&m_lpDevices[i], &m_lpDevices[i+1], sizeof(UsbDevice*) * (USB_HOSTMGR_MAX_DEVS - (i + 1))); //Safer than memcpy because of overlapping mem |
va009039 | 0:b0f04c137829 | 255 | m_lpDevices[USB_HOSTMGR_MAX_DEVS - 1] = NULL; |
va009039 | 0:b0f04c137829 | 256 | delete pDev; |
va009039 | 0:b0f04c137829 | 257 | } |
va009039 | 0:b0f04c137829 | 258 | |
va009039 | 0:b0f04c137829 | 259 | void UsbHostMgr::UsbIrqhandler() |
va009039 | 0:b0f04c137829 | 260 | { |
va009039 | 0:b0f04c137829 | 261 | uint32_t int_status; |
va009039 | 0:b0f04c137829 | 262 | uint32_t ie_status; |
va009039 | 0:b0f04c137829 | 263 | |
va009039 | 0:b0f04c137829 | 264 | int_status = LPC_USB->HcInterruptStatus; /* Read Interrupt Status */ |
va009039 | 0:b0f04c137829 | 265 | ie_status = LPC_USB->HcInterruptEnable; /* Read Interrupt enable status */ |
va009039 | 0:b0f04c137829 | 266 | |
va009039 | 0:b0f04c137829 | 267 | if (!(int_status & ie_status)) |
va009039 | 0:b0f04c137829 | 268 | { |
va009039 | 0:b0f04c137829 | 269 | return; |
va009039 | 0:b0f04c137829 | 270 | } |
va009039 | 0:b0f04c137829 | 271 | else |
va009039 | 0:b0f04c137829 | 272 | { |
va009039 | 0:b0f04c137829 | 273 | int_status = int_status & ie_status; |
va009039 | 0:b0f04c137829 | 274 | if (int_status & OR_INTR_STATUS_RHSC) /* Root hub status change interrupt */ |
va009039 | 0:b0f04c137829 | 275 | { |
va009039 | 0:b0f04c137829 | 276 | DBG("LPC_USB->HcRhPortStatus1 = %08x\n", LPC_USB->HcRhPortStatus1); |
va009039 | 0:b0f04c137829 | 277 | if (LPC_USB->HcRhPortStatus1 & OR_RH_PORT_CSC) |
va009039 | 0:b0f04c137829 | 278 | { |
va009039 | 0:b0f04c137829 | 279 | if (LPC_USB->HcRhStatus & OR_RH_STATUS_DRWE) |
va009039 | 0:b0f04c137829 | 280 | { |
va009039 | 0:b0f04c137829 | 281 | /* |
va009039 | 0:b0f04c137829 | 282 | * When DRWE is on, Connect Status Change |
va009039 | 0:b0f04c137829 | 283 | * means a remote wakeup event. |
va009039 | 0:b0f04c137829 | 284 | */ |
va009039 | 0:b0f04c137829 | 285 | //HOST_RhscIntr = 1;// JUST SOMETHING FOR A BREAKPOINT |
va009039 | 0:b0f04c137829 | 286 | } |
va009039 | 0:b0f04c137829 | 287 | else |
va009039 | 0:b0f04c137829 | 288 | { |
va009039 | 0:b0f04c137829 | 289 | /* |
va009039 | 0:b0f04c137829 | 290 | * When DRWE is off, Connect Status Change |
va009039 | 0:b0f04c137829 | 291 | * is NOT a remote wakeup event |
va009039 | 0:b0f04c137829 | 292 | */ |
va009039 | 0:b0f04c137829 | 293 | if (LPC_USB->HcRhPortStatus1 & OR_RH_PORT_CCS) //Root device connected |
va009039 | 0:b0f04c137829 | 294 | { |
va009039 | 0:b0f04c137829 | 295 | //Device connected |
va009039 | 0:b0f04c137829 | 296 | DBG("Device connected (%08x)\n", LPC_USB->HcRhPortStatus1); |
va009039 | 0:b0f04c137829 | 297 | onUsbDeviceConnected(0, 1); //Hub 0 (root hub), Port 1 (count starts at 1) |
va009039 | 0:b0f04c137829 | 298 | } |
va009039 | 0:b0f04c137829 | 299 | else //Root device disconnected |
va009039 | 0:b0f04c137829 | 300 | { |
va009039 | 0:b0f04c137829 | 301 | //Device disconnected |
va009039 | 0:b0f04c137829 | 302 | DBG("Device disconnected\n"); |
va009039 | 0:b0f04c137829 | 303 | onUsbDeviceDisconnected(0, 1); |
va009039 | 0:b0f04c137829 | 304 | } |
va009039 | 0:b0f04c137829 | 305 | //TODO: HUBS |
va009039 | 0:b0f04c137829 | 306 | } |
va009039 | 0:b0f04c137829 | 307 | LPC_USB->HcRhPortStatus1 = OR_RH_PORT_CSC; |
va009039 | 0:b0f04c137829 | 308 | } |
va009039 | 0:b0f04c137829 | 309 | if (LPC_USB->HcRhPortStatus1 & OR_RH_PORT_PRSC) |
va009039 | 0:b0f04c137829 | 310 | { |
va009039 | 0:b0f04c137829 | 311 | LPC_USB->HcRhPortStatus1 = OR_RH_PORT_PRSC; |
va009039 | 0:b0f04c137829 | 312 | } |
va009039 | 0:b0f04c137829 | 313 | } |
va009039 | 0:b0f04c137829 | 314 | if (int_status & OR_INTR_STATUS_WDH) /* Writeback Done Head interrupt */ |
va009039 | 0:b0f04c137829 | 315 | { |
va009039 | 0:b0f04c137829 | 316 | //UsbEndpoint::sOnCompletion((LPC_USB->HccaDoneHead) & 0xFE); |
va009039 | 0:b0f04c137829 | 317 | if(m_pHcca->DoneHead) |
va009039 | 0:b0f04c137829 | 318 | { |
va009039 | 0:b0f04c137829 | 319 | UsbEndpoint::sOnCompletion(m_pHcca->DoneHead); |
va009039 | 0:b0f04c137829 | 320 | m_pHcca->DoneHead = 0; |
va009039 | 0:b0f04c137829 | 321 | LPC_USB->HcInterruptStatus = OR_INTR_STATUS_WDH; |
va009039 | 0:b0f04c137829 | 322 | if(m_pHcca->DoneHead) |
va009039 | 0:b0f04c137829 | 323 | DBG("??????????????????????????????\n\n\n"); |
va009039 | 0:b0f04c137829 | 324 | } |
va009039 | 0:b0f04c137829 | 325 | else |
va009039 | 0:b0f04c137829 | 326 | { |
va009039 | 0:b0f04c137829 | 327 | //Probably an error |
va009039 | 0:b0f04c137829 | 328 | int_status = LPC_USB->HcInterruptStatus; |
va009039 | 0:b0f04c137829 | 329 | DBG("HcInterruptStatus = %08x\n", int_status); |
va009039 | 0:b0f04c137829 | 330 | if (int_status & OR_INTR_STATUS_UE) //Unrecoverable error, disconnect devices and resume |
va009039 | 0:b0f04c137829 | 331 | { |
va009039 | 0:b0f04c137829 | 332 | onUsbDeviceDisconnected(0, 1); |
va009039 | 0:b0f04c137829 | 333 | LPC_USB->HcInterruptStatus = OR_INTR_STATUS_UE; |
va009039 | 0:b0f04c137829 | 334 | LPC_USB->HcCommandStatus = 0x01; //Host Controller Reset |
va009039 | 0:b0f04c137829 | 335 | } |
va009039 | 0:b0f04c137829 | 336 | } |
va009039 | 0:b0f04c137829 | 337 | } |
va009039 | 0:b0f04c137829 | 338 | LPC_USB->HcInterruptStatus = int_status; /* Clear interrupt status register */ |
va009039 | 0:b0f04c137829 | 339 | } |
va009039 | 0:b0f04c137829 | 340 | return; |
va009039 | 0:b0f04c137829 | 341 | } |
va009039 | 0:b0f04c137829 | 342 | |
va009039 | 0:b0f04c137829 | 343 | void UsbHostMgr::onUsbDeviceDisconnected(int hub, int port) |
va009039 | 0:b0f04c137829 | 344 | { |
va009039 | 0:b0f04c137829 | 345 | for(int i = 0; i < devicesCount(); i++) |
va009039 | 0:b0f04c137829 | 346 | { |
va009039 | 0:b0f04c137829 | 347 | if( (m_lpDevices[i]->m_hub == hub) |
va009039 | 0:b0f04c137829 | 348 | && (m_lpDevices[i]->m_port == port) ) |
va009039 | 0:b0f04c137829 | 349 | { |
va009039 | 0:b0f04c137829 | 350 | m_lpDevices[i]->m_connected = false; |
va009039 | 0:b0f04c137829 | 351 | if(!m_lpDevices[i]->m_enumerated) |
va009039 | 0:b0f04c137829 | 352 | { |
va009039 | 0:b0f04c137829 | 353 | delete m_lpDevices[i]; |
va009039 | 0:b0f04c137829 | 354 | m_lpDevices[i] = NULL; |
va009039 | 0:b0f04c137829 | 355 | } |
va009039 | 0:b0f04c137829 | 356 | return; |
va009039 | 0:b0f04c137829 | 357 | } |
va009039 | 0:b0f04c137829 | 358 | } |
va009039 | 0:b0f04c137829 | 359 | } |
va009039 | 0:b0f04c137829 | 360 | |
va009039 | 0:b0f04c137829 | 361 | void UsbHostMgr::resetPort(int hub, int port) |
va009039 | 0:b0f04c137829 | 362 | { |
va009039 | 0:b0f04c137829 | 363 | DBG3("hub=%d port=%d\n", hub, port); |
va009039 | 0:b0f04c137829 | 364 | if(hub == 0) //Root hub |
va009039 | 0:b0f04c137829 | 365 | { |
va009039 | 0:b0f04c137829 | 366 | wait_ms(100); /* USB 2.0 spec says at least 50ms delay before port reset */ |
va009039 | 0:b0f04c137829 | 367 | LPC_USB->HcRhPortStatus1 = OR_RH_PORT_PRS; // Initiate port reset |
va009039 | 0:b0f04c137829 | 368 | DBG("Before loop\n"); |
va009039 | 0:b0f04c137829 | 369 | while (LPC_USB->HcRhPortStatus1 & OR_RH_PORT_PRS) |
va009039 | 0:b0f04c137829 | 370 | ; |
va009039 | 0:b0f04c137829 | 371 | LPC_USB->HcRhPortStatus1 = OR_RH_PORT_PRSC; // ...and clear port reset signal |
va009039 | 0:b0f04c137829 | 372 | DBG("After loop\n"); |
va009039 | 0:b0f04c137829 | 373 | wait_ms(200); /* Wait for 100 MS after port reset */ |
va009039 | 0:b0f04c137829 | 374 | } |
va009039 | 0:b0f04c137829 | 375 | else |
va009039 | 0:b0f04c137829 | 376 | { |
va009039 | 0:b0f04c137829 | 377 | for(int i = 0; i < USB_HOSTMGR_MAX_DEVS; i++) { |
va009039 | 0:b0f04c137829 | 378 | UsbDevice* dev = m_lpDevices[i]; |
va009039 | 0:b0f04c137829 | 379 | if (dev == NULL) { |
va009039 | 0:b0f04c137829 | 380 | continue; |
va009039 | 0:b0f04c137829 | 381 | } |
va009039 | 0:b0f04c137829 | 382 | if (dev->m_addr == hub) { |
va009039 | 0:b0f04c137829 | 383 | DBG("%d dev=%p\n", i, dev); |
va009039 | 0:b0f04c137829 | 384 | dev->hub_PortReset(port); |
va009039 | 0:b0f04c137829 | 385 | return; |
va009039 | 0:b0f04c137829 | 386 | } |
va009039 | 0:b0f04c137829 | 387 | } |
va009039 | 0:b0f04c137829 | 388 | DBG_ASSERT(0); |
va009039 | 0:b0f04c137829 | 389 | } |
va009039 | 0:b0f04c137829 | 390 | } |