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Diffstat (limited to 'core/usb/usb_callbacks.c')
-rw-r--r--core/usb/usb_callbacks.c293
1 files changed, 0 insertions, 293 deletions
diff --git a/core/usb/usb_callbacks.c b/core/usb/usb_callbacks.c
deleted file mode 100644
index 08d62c5..0000000
--- a/core/usb/usb_callbacks.c
+++ /dev/null
@@ -1,293 +0,0 @@
-/* insert license */
-
-#include "usb_callbacks.h"
-#include "usb_lib.h"
-#include "descriptors.h"
-#include "usb_config.h"
-#include "usb.h"
-
-ONE_DESCRIPTOR Device_Descriptor = {
- (uint8*)&usbVcomDescriptor_Device,
- sizeof(USB_Descriptor_Device)
-};
-
-ONE_DESCRIPTOR Config_Descriptor = {
- (uint8*)&usbVcomDescriptor_Config,
- 0x43//sizeof(USB_Descriptor_Config)
-};
-
-ONE_DESCRIPTOR String_Descriptor[3] = {
- {(uint8*)&usbVcomDescriptor_LangID, USB_DESCRIPTOR_STRING_LEN(1)},
- {(uint8*)&usbVcomDescriptor_iManufacturer,USB_DESCRIPTOR_STRING_LEN(8)},
- {(uint8*)&usbVcomDescriptor_iProduct, USB_DESCRIPTOR_STRING_LEN(8)}
-};
-
-uint8 last_request = 0;
-
-USB_Line_Coding line_coding = {
- bitrate: 115200,
- format: 0x00, /* stop bits-1 */
- paritytype: 0x00,
- datatype: 0x08
-};
-
-uint8 vcomBufferRx[VCOM_RX_EPSIZE];
-uint8 countTx = 0;
-uint8 recvBufIn = 0;
-uint8 recvBufOut = 0;
-uint8 maxNewBytes = VCOM_RX_EPSIZE;
-
-RESET_STATE reset_state = START;
-
-void vcomDataTxCb(void) {
- /* do whatever after data has been sent to host */
-
- /* allows usbSendBytes to stop blocking */
-
-
- countTx = 0;
-}
-
-/* we could get arbitrarily complicated here for speed purposes
- however, the simple scheme here is to implement a receive fifo
- and always set the maximum to new bytes to the space remaining
- in the fifo. this number will be reincremented after calls
- to usbReceiveBytes */
-void vcomDataRxCb(void) {
- /* do whatever after data has been received from host */
-
- /* setEPRxCount on the previous cycle should garuntee
- we havnt received more bytes than we can fit */
- uint8 newBytes = GetEPRxCount(VCOM_RX_ENDP);
- /* assert (newBytes <= maxNewBytes); */
-
- if (recvBufIn + newBytes < VCOM_RX_EPSIZE) {
- PMAToUserBufferCopy(&vcomBufferRx[recvBufIn],VCOM_RX_ADDR,newBytes);
- recvBufIn += newBytes;
- } else {
- /* we have to copy the data in two chunks because we roll over
- the edge of the circular buffer */
- uint8 tailBytes = VCOM_RX_EPSIZE - recvBufIn;
- uint8 remaining = newBytes - tailBytes;
-
- PMAToUserBufferCopy(&vcomBufferRx[recvBufIn],VCOM_RX_ADDR,tailBytes);
- PMAToUserBufferCopy(&vcomBufferRx[0], VCOM_RX_ADDR,remaining);
-
- recvBufIn = (recvBufIn + newBytes ) % VCOM_RX_EPSIZE;
- }
-
- maxNewBytes -= newBytes;
- SetEPRxCount(VCOM_RX_ENDP,maxNewBytes);
- SetEPRxValid(VCOM_RX_ENDP);
-}
-
-void vcomManagementCb(void) {
-/* unused. This enpoint would callback if we had sent a linestate
- changed notification */
-}
-
-u8* vcomGetSetLineCoding(uint16 length) {
- if (length == 0) {
- pInformation->Ctrl_Info.Usb_wLength = sizeof(USB_Line_Coding);
- }
- return (uint8*)&line_coding;
-}
-
-vcomSetLineState(void) {
-}
-
-void usbInit(void) {
- pInformation->Current_Configuration = 0;
- usbPowerOn();
-
- _SetISTR(0);
- wInterrupt_Mask = ISR_MSK;
- _SetCNTR(wInterrupt_Mask);
-
- usbEnbISR();
- bDeviceState = UNCONNECTED;
-}
-
-void usbReset(void) {
- pInformation->Current_Configuration = 0;
-
- /* current feature is current bmAttributes */
- pInformation->Current_Feature = (USB_CONFIG_ATTR_BUSPOWERED | USB_CONFIG_ATTR_SELF_POWERED);
-
- _SetBTABLE(USB_BTABLE_ADDRESS);
-
- /* setup control endpoint 0 */
- _SetEPType(ENDP0, EP_CONTROL);
- _SetEPTxStatus(ENDP0, EP_TX_STALL);
- _SetEPRxAddr(ENDP0,VCOM_CTRL_RX_ADDR);
- _SetEPTxAddr(ENDP0,VCOM_CTRL_TX_ADDR);
- Clear_Status_Out(ENDP0);
-
- SetEPRxCount(ENDP0, pProperty->MaxPacketSize);
- SetEPRxValid(ENDP0);
-
- /* setup management endpoint 1 */
- SetEPType (VCOM_NOTIFICATION_ENDP, EP_INTERRUPT);
- SetEPTxAddr (VCOM_NOTIFICATION_ENDP, VCOM_NOTIFICATION_ADDR);
- SetEPTxStatus (VCOM_NOTIFICATION_ENDP, EP_TX_NAK);
- SetEPRxStatus (VCOM_NOTIFICATION_ENDP, EP_RX_DIS);
-
- /* setup data endpoint OUT (rx) */
-/* SetEPType (VCOM_RX_ENDP, EP_BULK); */
-/* SetEPRxAddr (VCOM_RX_ENDP, VCOM_RX_ADDR); */
-/* SetEPRxCount (VCOM_RX_ENDP, VCOM_RX_EPSIZE); */
-/* // SetEPTxStatus (VCOM_RX_ENDP, EP_TX_DIS); */
-/* SetEPRxStatus (VCOM_RX_ENDP, EP_RX_VALID); */
-
- SetEPType (3, EP_BULK);
- SetEPRxAddr (3, 0x110);
- SetEPRxCount (3,64);
- // SetEPTxStatus (VCOM_RX_ENDP, EP_TX_DIS);
- SetEPRxStatus (3, EP_RX_VALID);
-
- /* setup data endpoint IN (tx) */
- SetEPType (VCOM_TX_ENDP, EP_BULK);
- SetEPTxAddr (VCOM_TX_ENDP, VCOM_TX_ADDR);
- SetEPTxStatus (VCOM_TX_ENDP, EP_TX_NAK);
- SetEPRxStatus (VCOM_TX_ENDP, EP_RX_DIS);
-
- bDeviceState = ATTACHED;
- SetDeviceAddress(0);
-
- /* reset the rx fifo */
- recvBufIn = 0;
- recvBufOut = 0;
- maxNewBytes = VCOM_RX_EPSIZE;
- countTx = 0;
-}
-
-
-void usbStatusIn(void) {
- /* adjust the usart line coding
- if we wish to couple the CDC line coding
- with the real usart port */
-}
-
-void usbStatusOut(void) {
-}
-
-RESULT usbDataSetup(uint8 request) {
- uint8 *(*CopyRoutine)(uint16);
- CopyRoutine = NULL;
-
- if (Type_Recipient == (CLASS_REQUEST | INTERFACE_RECIPIENT)) {
- switch (request) {
- case (GET_LINE_CODING):
- CopyRoutine = vcomGetSetLineCoding;
- last_request = GET_LINE_CODING;
- break;
- case (SET_LINE_CODING):
- CopyRoutine = vcomGetSetLineCoding;
- last_request = SET_LINE_CODING;
- break;
- default: break;
- }
- }
-
- if (CopyRoutine == NULL) {
- return USB_UNSUPPORT;
- }
-
- pInformation->Ctrl_Info.CopyData = CopyRoutine;
- pInformation->Ctrl_Info.Usb_wOffset = 0;
- (*CopyRoutine)(0);
- return USB_SUCCESS;
-}
-
-RESULT usbNoDataSetup(u8 request) {
- uint8 new_signal;
-
- /* we support set com feature but dont handle it */
- if (Type_Recipient == (CLASS_REQUEST | INTERFACE_RECIPIENT)) {
-
- switch (request) {
- case (SET_COMM_FEATURE):
- return USB_SUCCESS;
- case (SET_CONTROL_LINE_STATE):
- /* to reset the board, pull both dtr and rts low
- then pulse dtr by itself */
- new_signal = pInformation->USBwValues.bw.bb0 & (CONTROL_LINE_DTR | CONTROL_LINE_RTS);
- switch (reset_state) {
- /* no default, covered enum */
- case START:
- if (new_signal == 0) {
- reset_state = NDTR_NRTS;
- }
- break;
-
- case NDTR_NRTS:
- if (new_signal == CONTROL_LINE_DTR) {
- reset_state = DTR_NRTS;
- } else if (new_signal == 0) {
- reset_state = NDTR_NRTS;
- } else {
- reset_state = START;
- }
- break;
-
- case DTR_NRTS:
- if (new_signal == 0) {
- /* dont reset here, otherwise
- well likely crash the host! */
- reset_state = RESET_NOW;
- } else {
- reset_state = START;
- }
- break;
- case RESET_NEXT:
- reset_state = RESET_NOW;
- break;
- case RESET_NOW:
- /* do nothing, wait for reset */
- break;
- }
- return USB_SUCCESS;
- }
- }
- return USB_UNSUPPORT;
-}
-
-RESULT usbGetInterfaceSetting(uint8 interface, uint8 alt_setting) {
- if (alt_setting > 0) {
- return USB_UNSUPPORT;
- } else if (interface > 1) {
- return USB_UNSUPPORT;
- }
-
- return USB_SUCCESS;
-}
-
-
-u8* usbGetDeviceDescriptor(u16 length) {
- return Standard_GetDescriptorData(length, &Device_Descriptor);
-}
-
-u8* usbGetConfigDescriptor(u16 length) {
- return Standard_GetDescriptorData(length, &Config_Descriptor);
-}
-
-u8* usbGetStringDescriptor(u16 length) {
- uint8 wValue0 = pInformation->USBwValue0;
-
- if (wValue0 > 2) {
- return NULL;
- }
- return Standard_GetDescriptorData(length, &String_Descriptor[wValue0]);
-}
-
-/* internal callbacks to respond to standard requests */
-void usbSetConfiguration(void) {
- if (pInformation->Current_Configuration != 0) {
- bDeviceState = CONFIGURED;
- }
-}
-
-void usbSetDeviceAddress(void) {
- bDeviceState = ADDRESSED;
-}
-
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