X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/e72f424f6450cf67d3ef57d347a4f8d86ec5a119..0019fbd1294ccc9ecb0ac4ddb5d8c71efcf9597f:/LUFA/Drivers/USB/LowLevel/Endpoint.c?ds=inline diff --git a/LUFA/Drivers/USB/LowLevel/Endpoint.c b/LUFA/Drivers/USB/LowLevel/Endpoint.c index 742e61860..33f5ec924 100644 --- a/LUFA/Drivers/USB/LowLevel/Endpoint.c +++ b/LUFA/Drivers/USB/LowLevel/Endpoint.c @@ -1,21 +1,21 @@ /* LUFA Library - Copyright (C) Dean Camera, 2010. - + Copyright (C) Dean Camera, 2011. + dean [at] fourwalledcubicle [dot] com - www.fourwalledcubicle.com + www.lufa-lib.org */ /* - Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com) + Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com) - Permission to use, copy, modify, distribute, and sell this + Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted - without fee, provided that the above copyright notice appear in + without fee, provided that the above copyright notice appear in all copies and that both that the copyright notice and this - permission notice and warranty disclaimer appear in supporting - documentation, and that the name of the author not be used in - advertising or publicity pertaining to distribution of the + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the software without specific, written prior permission. The author disclaim all warranties with regard to this @@ -43,45 +43,55 @@ bool Endpoint_ConfigureEndpoint_Prv(const uint8_t Number, const uint8_t UECFG0XData, const uint8_t UECFG1XData) { - uint8_t UECFG0XTemp[ENDPOINT_TOTAL_ENDPOINTS]; - uint8_t UECFG1XTemp[ENDPOINT_TOTAL_ENDPOINTS]; - - for (uint8_t EPNum = 0; EPNum < ENDPOINT_TOTAL_ENDPOINTS; EPNum++) +#if defined(CONTROL_ONLY_DEVICE) || defined(ORDERED_EP_CONFIG) + Endpoint_SelectEndpoint(Number); + Endpoint_EnableEndpoint(); + + UECFG1X = 0; + UECFG0X = UECFG0XData; + UECFG1X = UECFG1XData; + + return Endpoint_IsConfigured(); +#else + for (uint8_t EPNum = Number; EPNum < ENDPOINT_TOTAL_ENDPOINTS; EPNum++) { + uint8_t UECFG0XTemp; + uint8_t UECFG1XTemp; + uint8_t UEIENXTemp; + Endpoint_SelectEndpoint(EPNum); - UECFG0XTemp[EPNum] = UECFG0X; - UECFG1XTemp[EPNum] = UECFG1X; - } - - UECFG0XTemp[Number] = UECFG0XData; - UECFG1XTemp[Number] = UECFG1XData; - - for (uint8_t EPNum = 1; EPNum < ENDPOINT_TOTAL_ENDPOINTS; EPNum++) - { - Endpoint_SelectEndpoint(EPNum); - UEIENX = 0; - UEINTX = 0; - UECFG1X = 0; - Endpoint_DisableEndpoint(); - } + + if (EPNum == Number) + { + UECFG0XTemp = UECFG0XData; + UECFG1XTemp = UECFG1XData; + UEIENXTemp = 0; + } + else + { + UECFG0XTemp = UECFG0X; + UECFG1XTemp = UECFG1X; + UEIENXTemp = UEIENX; + } - for (uint8_t EPNum = 0; EPNum < ENDPOINT_TOTAL_ENDPOINTS; EPNum++) - { - if (!(UECFG1XTemp[EPNum] & (1 << ALLOC))) + if (!(UECFG1XTemp & (1 << ALLOC))) continue; - - Endpoint_SelectEndpoint(EPNum); - Endpoint_EnableEndpoint(); - UECFG0X = UECFG0XTemp[EPNum]; - UECFG1X = UECFG1XTemp[EPNum]; - + Endpoint_DisableEndpoint(); + UECFG1X &= (1 << ALLOC); + + Endpoint_EnableEndpoint(); + UECFG0X = UECFG0XTemp; + UECFG1X = UECFG1XTemp; + UEIENX = UEIENXTemp; + if (!(Endpoint_IsConfigured())) - return false; + return false; } Endpoint_SelectEndpoint(Number); return true; +#endif } void Endpoint_ClearEndpoints(void) @@ -90,7 +100,7 @@ void Endpoint_ClearEndpoints(void) for (uint8_t EPNum = 0; EPNum < ENDPOINT_TOTAL_ENDPOINTS; EPNum++) { - Endpoint_SelectEndpoint(EPNum); + Endpoint_SelectEndpoint(EPNum); UEIENX = 0; UEINTX = 0; UECFG1X = 0; @@ -117,7 +127,7 @@ void Endpoint_ClearStatusStage(void) if (USB_DeviceState == DEVICE_STATE_Unattached) return; } - + Endpoint_ClearIN(); } } @@ -126,11 +136,13 @@ void Endpoint_ClearStatusStage(void) uint8_t Endpoint_WaitUntilReady(void) { #if (USB_STREAM_TIMEOUT_MS < 0xFF) - uint8_t TimeoutMSRem = USB_STREAM_TIMEOUT_MS; + uint8_t TimeoutMSRem = USB_STREAM_TIMEOUT_MS; #else uint16_t TimeoutMSRem = USB_STREAM_TIMEOUT_MS; #endif + uint16_t PreviousFrameNumber = USB_Device_GetFrameNumber(); + for (;;) { if (Endpoint_GetEndpointDirection() == ENDPOINT_DIR_IN) @@ -144,16 +156,20 @@ uint8_t Endpoint_WaitUntilReady(void) return ENDPOINT_READYWAIT_NoError; } - if (USB_DeviceState == DEVICE_STATE_Unattached) + uint8_t USB_DeviceState_LCL = USB_DeviceState; + + if (USB_DeviceState_LCL == DEVICE_STATE_Unattached) return ENDPOINT_READYWAIT_DeviceDisconnected; - else if (USB_DeviceState == DEVICE_STATE_Suspended) + else if (USB_DeviceState_LCL == DEVICE_STATE_Suspended) return ENDPOINT_READYWAIT_BusSuspended; else if (Endpoint_IsStalled()) return ENDPOINT_READYWAIT_EndpointStalled; - - if (USB_INT_HasOccurred(USB_INT_SOFI)) + + uint16_t CurrentFrameNumber = USB_Device_GetFrameNumber(); + + if (CurrentFrameNumber != PreviousFrameNumber) { - USB_INT_Clear(USB_INT_SOFI); + PreviousFrameNumber = CurrentFrameNumber; if (!(TimeoutMSRem--)) return ENDPOINT_READYWAIT_Timeout; @@ -163,3 +179,4 @@ uint8_t Endpoint_WaitUntilReady(void) #endif #endif +