Гудвин, волшебник (17.05.2010 18:53, просмотров: 144) ответил =MIV= на Т.е. если я правильно понял то gUSBConnected взводится.На всякий случай вот то, что у меня работает: void Host_Init (void)
{
USB_INT32U HostBaseAddr;
SC->PCONP |= (1UL<<31);
USB->OTGClkCtrl = 0x0000001F;
while ((USB->OTGClkSt & 0x0000001F) == 0) { /* Host clock is available */
;
}
USB->OTGStCtrl = 0x3;
/* P1[18] = USB_UP_LED, 01 */
/* P1[19] = /USB_PPWR, 10 */
/* P1[22] = USB_PWRD, 10 */
/* P1[27] = /USB_OVRCR, 10 */
//oleg закомментарил 2 строчки ниже
// PINCON->PINSEL3 &= ~((3<<4) | (3<<6) | (3<<12) | (3<<22));
// PINCON->PINSEL3 |= ((1<<4)|(2<<6) | (2<<12) | (2<<22)); // 0x00802080
/* P0[29] = USB_D+, 01 */
/* P0[30] = USB_D-, 01 */
PINCON->PINSEL1 &= ~((3<<26) | (3<<28));
PINCON->PINSEL1 |= ((1<<26)|(1<<28)); // 0x14000000
PRINT_Log("Initializing Host Stack\n");
// For chip revision V01 and later
HostBaseAddr = 0x20080000;
Hcca = (volatile HCCA *)(HostBaseAddr+0x000);
TDHead = (volatile HCTD *)(HostBaseAddr+0x100);
TDTail = (volatile HCTD *)(HostBaseAddr+0x110);
EDCtrl = (volatile HCED *)(HostBaseAddr+0x120);
EDBulkIn = (volatile HCED *)(HostBaseAddr+0x130);
EDBulkOut = (volatile HCED *)(HostBaseAddr+0x140);
TDBuffer = (volatile USB_INT08U *)(HostBaseAddr+0x150);
// FATBuffer = (volatile USB_INT08U *)(HostBaseAddr+0x1D0);
// UserBuffer = (volatile USB_INT08U *)(HostBaseAddr+0x1000);
/* Initialize all the TDs, EDs and HCCA to 0 */
Host_EDInit(EDCtrl);
Host_EDInit(EDBulkIn);
Host_EDInit(EDBulkOut);
Host_TDInit(TDHead);
Host_TDInit(TDTail);
Host_HCCAInit(Hcca);
Host_DelayMS(50); /* Wait 50 ms before apply reset */
USB->HcControl = 0; /* HARDWARE RESET */
USB->HcControlHeadED = 0; /* Initialize Control list head to Zero */
USB->HcBulkHeadED = 0; /* Initialize Bulk list head to Zero */
/* SOFTWARE RESET */
USB->HcCommandStatus = OR_CMD_STATUS_HCR;
USB->HcFmInterval = DEFAULT_FMINTERVAL; /* Write Fm Interval and Largest Data Packet Counter */
/* Put HC in operational state */
USB->HcControl = (USB->HcControl & (~OR_CONTROL_HCFS)) | OR_CONTROL_HC_OPER;
USB->HcRhStatus = OR_RH_STATUS_LPSC; /* Set Global Power */
USB->HcHCCA = (USB_INT32U)Hcca;
USB->HcInterruptStatus |= USB->HcInterruptStatus; /* Clear Interrrupt Status */
USB->HcInterruptEnable = OR_INTR_ENABLE_MIE |
OR_INTR_ENABLE_WDH |
OR_INTR_ENABLE_RHSC;
/* Enable the USB Interrupt */
NVIC_EnableIRQ(USB_IRQn); /* enable USB interrupt */
NVIC_SetPriority (USB_IRQn, 0); /* highest priority */
PRINT_Log("Host Initialized\n");
}