test
Dependents: Production_version1_0 Production_ver1_0 USBHost_TEST USBHost_Test5 ... more
Fork of USBHost by
Diff: USBHost/USBHALHost.cpp
- Revision:
- 24:868cbfe611a7
- Parent:
- 13:b58a2204422f
--- a/USBHost/USBHALHost.cpp Fri Mar 07 16:00:46 2014 +0000 +++ b/USBHost/USBHALHost.cpp Tue Jun 03 11:30:38 2014 +0100 @@ -57,7 +57,7 @@ void USBHALHost::init() { NVIC_DisableIRQ(USB_IRQn); - + //Cut power LPC_SC->PCONP &= ~(1UL<<31); wait_ms(100); @@ -98,7 +98,7 @@ // software reset LPC_USB->HcCommandStatus = OR_CMD_STATUS_HCR; - + // Write Fm Interval and Largest Data Packet Counter LPC_USB->HcFmInterval = DEFAULT_FMINTERVAL; LPC_USB->HcPeriodicStart = FI * 90 / 100; @@ -109,7 +109,7 @@ LPC_USB->HcRhStatus = OR_RH_STATUS_LPSC; LPC_USB->HcHCCA = (uint32_t)(usb_hcca); - + // Clear Interrrupt Status LPC_USB->HcInterruptStatus |= LPC_USB->HcInterruptStatus; @@ -249,9 +249,9 @@ void USBHALHost::resetRootHub() { // Initiate port reset LPC_USB->HcRhPortStatus1 = OR_RH_PORT_PRS; - + while (LPC_USB->HcRhPortStatus1 & OR_RH_PORT_PRS); - + // ...and clear port reset signal LPC_USB->HcRhPortStatus1 = OR_RH_PORT_PRSC; } @@ -266,11 +266,11 @@ void USBHALHost::UsbIrqhandler() { if( LPC_USB->HcInterruptStatus & LPC_USB->HcInterruptEnable ) //Is there something to actually process? { - + uint32_t int_status = LPC_USB->HcInterruptStatus & LPC_USB->HcInterruptEnable; // Root hub status change interrupt - if (int_status & OR_INTR_STATUS_RHSC) { + if (int_status & OR_INTR_STATUS_RHSC) { if (LPC_USB->HcRhPortStatus1 & OR_RH_PORT_CSC) { if (LPC_USB->HcRhStatus & OR_RH_STATUS_DRWE) { // When DRWE is on, Connect Status Change @@ -278,27 +278,27 @@ } else { //Root device connected - if (LPC_USB->HcRhPortStatus1 & OR_RH_PORT_CCS) { - + if (LPC_USB->HcRhPortStatus1 & OR_RH_PORT_CCS) { + // wait 150ms to avoid bounce wait_ms(150); - + //Hub 0 (root hub), Port 1 (count starts at 1), Low or High speed - deviceConnected(0, 1, LPC_USB->HcRhPortStatus1 & OR_RH_PORT_LSDA); - } - + deviceConnected(0, 1, LPC_USB->HcRhPortStatus1 & OR_RH_PORT_LSDA); + } + //Root device disconnected - else { - + else { + if (!(int_status & OR_INTR_STATUS_WDH)) { usb_hcca->DoneHead = 0; } - + // wait 200ms to avoid bounce wait_ms(200); - + deviceDisconnected(0, 1, NULL, usb_hcca->DoneHead & 0xFFFFFFFE); - + if (int_status & OR_INTR_STATUS_WDH) { usb_hcca->DoneHead = 0; LPC_USB->HcInterruptStatus = OR_INTR_STATUS_WDH;