USBDevice compatible with frdmk22f-usbhid-4axis
Dependents: frdmk22f-usbhid-4axis
Revision 14:d495202c90f4, committed 2013-09-12
- Comitter:
- bogdanm
- Date:
- Thu Sep 12 14:45:27 2013 +0100
- Parent:
- 13:16731886c049
- Child:
- 15:849c0c0f2769
- Commit message:
- Synchronized with git revision b9d52bda50a692c05a4587bcc8d3219997444f58
Changed in this revision
--- a/USBDevice/USBHAL_KL25Z.cpp Tue Sep 10 15:14:55 2013 +0300 +++ b/USBDevice/USBHAL_KL25Z.cpp Thu Sep 12 14:45:27 2013 +0100 @@ -169,6 +169,16 @@ USB0->CTL &= ~USB_CTL_USBENSOFEN_MASK; // Pull up disable USB0->CONTROL &= ~USB_CONTROL_DPPULLUPNONOTG_MASK; + + //Free buffers if required: + for (int i = 0; i<(NUMBER_OF_PHYSICAL_ENDPOINTS - 2) * 2; i++) { + free(endpoint_buffer[i]); + endpoint_buffer[i] = NULL; + } + free(endpoint_buffer_iso[2]); + endpoint_buffer_iso[2] = NULL; + free(endpoint_buffer_iso[0]); + endpoint_buffer_iso[0] = NULL; } void USBHAL::configureDevice(void) { @@ -200,18 +210,22 @@ if ((flags & ISOCHRONOUS) == 0) { handshake_flag = USB_ENDPT_EPHSHK_MASK; if (IN_EP(endpoint)) { - endpoint_buffer[EP_BDT_IDX(log_endpoint, TX, ODD )] = (uint8_t *) malloc (64*2); - buf = &endpoint_buffer[EP_BDT_IDX(log_endpoint, TX, ODD )][0]; + if (endpoint_buffer[EP_BDT_IDX(log_endpoint, TX, ODD)] == NULL) + endpoint_buffer[EP_BDT_IDX(log_endpoint, TX, ODD)] = (uint8_t *) malloc (64*2); + buf = &endpoint_buffer[EP_BDT_IDX(log_endpoint, TX, ODD)][0]; } else { - endpoint_buffer[EP_BDT_IDX(log_endpoint, RX, ODD )] = (uint8_t *) malloc (64*2); - buf = &endpoint_buffer[EP_BDT_IDX(log_endpoint, RX, ODD )][0]; + if (endpoint_buffer[EP_BDT_IDX(log_endpoint, RX, ODD)] == NULL) + endpoint_buffer[EP_BDT_IDX(log_endpoint, RX, ODD)] = (uint8_t *) malloc (64*2); + buf = &endpoint_buffer[EP_BDT_IDX(log_endpoint, RX, ODD)][0]; } } else { if (IN_EP(endpoint)) { - endpoint_buffer_iso[2] = (uint8_t *) malloc (1023*2); + if (endpoint_buffer_iso[2] == NULL) + endpoint_buffer_iso[2] = (uint8_t *) malloc (1023*2); buf = &endpoint_buffer_iso[2][0]; } else { - endpoint_buffer_iso[0] = (uint8_t *) malloc (1023*2); + if (endpoint_buffer_iso[0] == NULL) + endpoint_buffer_iso[0] = (uint8_t *) malloc (1023*2); buf = &endpoint_buffer_iso[0][0]; } }
--- a/USBMSD/USBMSD.cpp Tue Sep 10 15:14:55 2013 +0300 +++ b/USBMSD/USBMSD.cpp Thu Sep 12 14:45:27 2013 +0100 @@ -67,8 +67,12 @@ stage = READ_CBW; memset((void *)&cbw, 0, sizeof(CBW)); memset((void *)&csw, 0, sizeof(CSW)); + page = NULL; } +USBMSD::~USBMSD() { + disconnect(); +} // Called in ISR context to process a class specific request @@ -117,6 +121,7 @@ if (BlockCount > 0) { BlockSize = MemorySize / BlockCount; if (BlockSize != 0) { + free(page); page = (uint8_t *)malloc(BlockSize * sizeof(uint8_t)); if (page == NULL) return false; @@ -130,6 +135,12 @@ return true; } +void USBMSD::disconnect() { + //De-allocate MSD page size: + free(page); + page = NULL; + USBDevice::disconnect(); +} void USBMSD::reset() { stage = READ_CBW;
--- a/USBMSD/USBMSD.h Tue Sep 10 15:14:55 2013 +0300 +++ b/USBMSD/USBMSD.h Thu Sep 12 14:45:27 2013 +0100 @@ -74,6 +74,15 @@ */ bool connect(); + /** + * Disconnect the USB MSD device. + */ + void disconnect(); + + /** + * Destructor + */ + ~USBMSD(); protected:
--- a/USBSerial/CircBuffer.h Tue Sep 10 15:14:55 2013 +0300 +++ b/USBSerial/CircBuffer.h Thu Sep 12 14:45:27 2013 +0100 @@ -29,6 +29,10 @@ buf = (T *)malloc(size * sizeof(T)); }; + ~CircBuffer() { + free(buf); + } + bool isFull() { return ((write + 1) % size == read); };