I'm trying to port GRBL 1.1 to the STM32F746 chip. Tell me the solution, thanks.
usb/usb_endp.c@0:9dcf85d9b2f3, 2017-09-04 (annotated)
- Committer:
- Sergunb
- Date:
- Mon Sep 04 12:05:05 2017 +0000
- Revision:
- 0:9dcf85d9b2f3
Initial commit
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Sergunb | 0:9dcf85d9b2f3 | 1 | /******************** (C) COPYRIGHT 2011 STMicroelectronics ******************** |
Sergunb | 0:9dcf85d9b2f3 | 2 | * File Name : usb_endp.c |
Sergunb | 0:9dcf85d9b2f3 | 3 | * Author : MCD Application Team |
Sergunb | 0:9dcf85d9b2f3 | 4 | * Version : V3.3.0 |
Sergunb | 0:9dcf85d9b2f3 | 5 | * Date : 21-March-2011 |
Sergunb | 0:9dcf85d9b2f3 | 6 | * Description : Endpoint routines |
Sergunb | 0:9dcf85d9b2f3 | 7 | ******************************************************************************** |
Sergunb | 0:9dcf85d9b2f3 | 8 | * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS |
Sergunb | 0:9dcf85d9b2f3 | 9 | * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME. |
Sergunb | 0:9dcf85d9b2f3 | 10 | * AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT, |
Sergunb | 0:9dcf85d9b2f3 | 11 | * INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE |
Sergunb | 0:9dcf85d9b2f3 | 12 | * CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING |
Sergunb | 0:9dcf85d9b2f3 | 13 | * INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. |
Sergunb | 0:9dcf85d9b2f3 | 14 | *******************************************************************************/ |
Sergunb | 0:9dcf85d9b2f3 | 15 | |
Sergunb | 0:9dcf85d9b2f3 | 16 | #include "usb_lib.h" |
Sergunb | 0:9dcf85d9b2f3 | 17 | #include "usb_desc.h" |
Sergunb | 0:9dcf85d9b2f3 | 18 | #include "usb_mem.h" |
Sergunb | 0:9dcf85d9b2f3 | 19 | #include "hw_config.h" |
Sergunb | 0:9dcf85d9b2f3 | 20 | #include "usb_istr.h" |
Sergunb | 0:9dcf85d9b2f3 | 21 | #include "usb_pwr.h" |
Sergunb | 0:9dcf85d9b2f3 | 22 | #include "serial.h" |
Sergunb | 0:9dcf85d9b2f3 | 23 | uint8_t USB_Rx_Buffer[VIRTUAL_COM_PORT_DATA_SIZE]; |
Sergunb | 0:9dcf85d9b2f3 | 24 | |
Sergunb | 0:9dcf85d9b2f3 | 25 | extern uint8_t serial_tx_buffer[]; |
Sergunb | 0:9dcf85d9b2f3 | 26 | extern uint8_t serial_tx_buffer_head; |
Sergunb | 0:9dcf85d9b2f3 | 27 | extern volatile uint8_t serial_tx_buffer_tail; |
Sergunb | 0:9dcf85d9b2f3 | 28 | |
Sergunb | 0:9dcf85d9b2f3 | 29 | void EP3_OUT_Callback(void) |
Sergunb | 0:9dcf85d9b2f3 | 30 | { |
Sergunb | 0:9dcf85d9b2f3 | 31 | uint16_t USB_Rx_Cnt; |
Sergunb | 0:9dcf85d9b2f3 | 32 | |
Sergunb | 0:9dcf85d9b2f3 | 33 | /* Get the received data buffer and update the counter */ |
Sergunb | 0:9dcf85d9b2f3 | 34 | USB_Rx_Cnt = USB_SIL_Read(EP3_OUT, USB_Rx_Buffer); |
Sergunb | 0:9dcf85d9b2f3 | 35 | |
Sergunb | 0:9dcf85d9b2f3 | 36 | /* USB data will be immediately processed, this allow next USB traffic being |
Sergunb | 0:9dcf85d9b2f3 | 37 | NAKed till the end of the USART Xfer */ |
Sergunb | 0:9dcf85d9b2f3 | 38 | |
Sergunb | 0:9dcf85d9b2f3 | 39 | OnUsbDataRx(USB_Rx_Buffer, USB_Rx_Cnt); |
Sergunb | 0:9dcf85d9b2f3 | 40 | |
Sergunb | 0:9dcf85d9b2f3 | 41 | /* Enable the receive of data on EP3 */ |
Sergunb | 0:9dcf85d9b2f3 | 42 | SetEPRxValid(ENDP3); |
Sergunb | 0:9dcf85d9b2f3 | 43 | } |
Sergunb | 0:9dcf85d9b2f3 | 44 | void EP1_IN_Callback (void) |
Sergunb | 0:9dcf85d9b2f3 | 45 | { |
Sergunb | 0:9dcf85d9b2f3 | 46 | if (serial_tx_buffer_head != serial_tx_buffer_tail && (_GetEPTxStatus(ENDP1) == EP_TX_NAK)) |
Sergunb | 0:9dcf85d9b2f3 | 47 | { |
Sergunb | 0:9dcf85d9b2f3 | 48 | uint16_t USB_Tx_length; |
Sergunb | 0:9dcf85d9b2f3 | 49 | |
Sergunb | 0:9dcf85d9b2f3 | 50 | if (serial_tx_buffer_head > serial_tx_buffer_tail) |
Sergunb | 0:9dcf85d9b2f3 | 51 | USB_Tx_length = serial_tx_buffer_head - serial_tx_buffer_tail; |
Sergunb | 0:9dcf85d9b2f3 | 52 | else |
Sergunb | 0:9dcf85d9b2f3 | 53 | { |
Sergunb | 0:9dcf85d9b2f3 | 54 | USB_Tx_length = TX_BUFFER_SIZE - serial_tx_buffer_tail + serial_tx_buffer_head; |
Sergunb | 0:9dcf85d9b2f3 | 55 | } |
Sergunb | 0:9dcf85d9b2f3 | 56 | |
Sergunb | 0:9dcf85d9b2f3 | 57 | if (USB_Tx_length != 0) |
Sergunb | 0:9dcf85d9b2f3 | 58 | { |
Sergunb | 0:9dcf85d9b2f3 | 59 | if (USB_Tx_length > 64) |
Sergunb | 0:9dcf85d9b2f3 | 60 | USB_Tx_length = 64; |
Sergunb | 0:9dcf85d9b2f3 | 61 | |
Sergunb | 0:9dcf85d9b2f3 | 62 | // UserToPMABufferCopy(&serial_tx_buffer[serial_tx_buffer_tail], ENDP1_TXADDR, USB_Tx_length); |
Sergunb | 0:9dcf85d9b2f3 | 63 | { |
Sergunb | 0:9dcf85d9b2f3 | 64 | uint8_t *pbUsrBuf = serial_tx_buffer + serial_tx_buffer_tail; |
Sergunb | 0:9dcf85d9b2f3 | 65 | uint32_t n = (USB_Tx_length + 1) >> 1; /* n = (wNBytes + 1) / 2 */ |
Sergunb | 0:9dcf85d9b2f3 | 66 | uint32_t i, temp1; |
Sergunb | 0:9dcf85d9b2f3 | 67 | uint16_t *pdwVal; |
Sergunb | 0:9dcf85d9b2f3 | 68 | pdwVal = (uint16_t *)(ENDP1_TXADDR * 2 + PMAAddr); |
Sergunb | 0:9dcf85d9b2f3 | 69 | for (i = n; i != 0; i--) |
Sergunb | 0:9dcf85d9b2f3 | 70 | { |
Sergunb | 0:9dcf85d9b2f3 | 71 | temp1 = (uint16_t) * pbUsrBuf; |
Sergunb | 0:9dcf85d9b2f3 | 72 | pbUsrBuf++; |
Sergunb | 0:9dcf85d9b2f3 | 73 | if (pbUsrBuf - serial_tx_buffer == TX_BUFFER_SIZE) |
Sergunb | 0:9dcf85d9b2f3 | 74 | pbUsrBuf = serial_tx_buffer; |
Sergunb | 0:9dcf85d9b2f3 | 75 | |
Sergunb | 0:9dcf85d9b2f3 | 76 | *pdwVal++ = temp1 | (uint16_t) * pbUsrBuf << 8; |
Sergunb | 0:9dcf85d9b2f3 | 77 | pdwVal++; |
Sergunb | 0:9dcf85d9b2f3 | 78 | pbUsrBuf++; |
Sergunb | 0:9dcf85d9b2f3 | 79 | if (pbUsrBuf - serial_tx_buffer == TX_BUFFER_SIZE) |
Sergunb | 0:9dcf85d9b2f3 | 80 | pbUsrBuf = serial_tx_buffer; |
Sergunb | 0:9dcf85d9b2f3 | 81 | } |
Sergunb | 0:9dcf85d9b2f3 | 82 | } |
Sergunb | 0:9dcf85d9b2f3 | 83 | |
Sergunb | 0:9dcf85d9b2f3 | 84 | SetEPTxCount(ENDP1, USB_Tx_length); |
Sergunb | 0:9dcf85d9b2f3 | 85 | SetEPTxValid(ENDP1); |
Sergunb | 0:9dcf85d9b2f3 | 86 | |
Sergunb | 0:9dcf85d9b2f3 | 87 | serial_tx_buffer_tail += USB_Tx_length; |
Sergunb | 0:9dcf85d9b2f3 | 88 | if (serial_tx_buffer_tail >= TX_BUFFER_SIZE) |
Sergunb | 0:9dcf85d9b2f3 | 89 | serial_tx_buffer_tail -= TX_BUFFER_SIZE; |
Sergunb | 0:9dcf85d9b2f3 | 90 | } |
Sergunb | 0:9dcf85d9b2f3 | 91 | } |
Sergunb | 0:9dcf85d9b2f3 | 92 | } |
Sergunb | 0:9dcf85d9b2f3 | 93 | |
Sergunb | 0:9dcf85d9b2f3 | 94 | |
Sergunb | 0:9dcf85d9b2f3 | 95 | /* \brief Start Of Frame (SOF) callback |
Sergunb | 0:9dcf85d9b2f3 | 96 | */ |
Sergunb | 0:9dcf85d9b2f3 | 97 | void SOF_Callback(void) |
Sergunb | 0:9dcf85d9b2f3 | 98 | { |
Sergunb | 0:9dcf85d9b2f3 | 99 | if(bDeviceState == CONFIGURED) |
Sergunb | 0:9dcf85d9b2f3 | 100 | { |
Sergunb | 0:9dcf85d9b2f3 | 101 | /* Check the data to be sent through IN pipe */ |
Sergunb | 0:9dcf85d9b2f3 | 102 | EP1_IN_Callback(); |
Sergunb | 0:9dcf85d9b2f3 | 103 | } |
Sergunb | 0:9dcf85d9b2f3 | 104 | } |
Sergunb | 0:9dcf85d9b2f3 | 105 | /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/ |
Sergunb | 0:9dcf85d9b2f3 | 106 |