main.c file reverted.
This commit is contained in:
klaute
parent
f2837f8bfe
commit
550962d43a
672
firmware/main.c
672
firmware/main.c
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@ -1,21 +1,13 @@
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/**
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* description: Modified LUFA example to get two virtual serial USB devices.
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* author: Kai Lauterbach
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* date: 08/2016
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* version: v0.1
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* license: GPLv3
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*/
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/*
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/*
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LUFA Library
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LUFA Library
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Copyright (C) Dean Camera, 2016.
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Copyright (C) Dean Camera, 2015.
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dean [at] fourwalledcubicle [dot] com
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dean [at] fourwalledcubicle [dot] com
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www.lufa-lib.org
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www.lufa-lib.org
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*/
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*/
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/*
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/*
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Copyright 2016 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Copyright 2015 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Permission to use, copy, modify, distribute, and sell this
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Permission to use, copy, modify, distribute, and sell this
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software and its documentation for any purpose is hereby granted
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software and its documentation for any purpose is hereby granted
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@ -38,467 +30,357 @@
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/** \file
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/** \file
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*
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*
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* Main source file for the project - based on the Mouse and VirtualSerial lufa demo.
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* Main source file for the iUSB2SerialMux demo. This file contains the main tasks of the demo and
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* This file contains the main tasks of the demo and is responsible for the initial
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* is responsible for the initial application hardware configuration.
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* application hardware configuration.
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*/
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*/
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#include "main.h"
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#include "main.h"
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//********************************************************************************//
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/**************************************************************************************/
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FIFO_t agent_fifo;
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uint32_t EEMEM eep_baudrate;
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FIFO_t seq_mod_fifo;
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FIFO_t seq_val_fifo;
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uint8_t seq_delay = 0;
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uint32_t baudrate = 115200; // replacement for the UART_BAUDRATE definition
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volatile uint16_t time_measure_cnt = 0;
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/**************************************************************************************/
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volatile uint16_t keystroke_delay_time_measure_cnt_old = 0;
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volatile uint16_t seq_delay_time_measure_cnt_old = 0;
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//********************************************************************************//
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/** Contains the current baud rate and other settings of the first virtual serial port. While this demo does not use
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* the physical USART and thus does not use these settings, they must still be retained and returned to the host
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/** Buffer to hold the previously generated Keyboard HID report, for comparison purposes inside the HID class driver. */
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* upon request or the host will assume the device is non-functional.
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static uint8_t PrevKeyboardHIDReportBuffer[sizeof(USB_KeyboardReport_Data_t)];
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*
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* These values are set by the host via a class-specific request, however they are not required to be used accurately.
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//********************************************************************************//
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* It is possible to completely ignore these value or use other settings as the host is completely unaware of the physical
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* serial link characteristics and instead sends and receives data in endpoint streams.
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/** LUFA HID Class driver interface configuration and state information. This structure is
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* passed to all HID Class driver functions, so that multiple instances of the same class
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* within a device can be differentiated from one another. This is for the keyboard HID
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* interface within the device.
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*/
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*/
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USB_ClassInfo_HID_Device_t Keyboard_HID_Interface =
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static CDC_LineEncoding_t LineEncoding1 = { .BaudRateBPS = 0,
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{
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.CharFormat = CDC_LINEENCODING_OneStopBit,
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.Config =
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.ParityType = CDC_PARITY_None,
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{
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.DataBits = 8 };
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.InterfaceNumber = INTERFACE_ID_Keyboard,
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.ReportINEndpoint =
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{
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.Address = KEYBOARD_IN_EPADDR,
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.Size = KEYBOARD_EPSIZE,
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.Banks = 1,
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},
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.PrevReportINBuffer = PrevKeyboardHIDReportBuffer,
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.PrevReportINBufferSize = sizeof(PrevKeyboardHIDReportBuffer),
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},
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};
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/** LUFA CDC Class driver interface configuration and state information. This structure is
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/** Contains the current baud rate and other settings of the second virtual serial port. While this demo does not use
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* passed to all CDC Class driver functions, so that multiple instances of the same class
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* the physical USART and thus does not use these settings, they must still be retained and returned to the host
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* within a device can be differentiated from one another.
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* upon request or the host will assume the device is non-functional.
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*
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* These values are set by the host via a class-specific request, however they are not required to be used accurately.
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* It is possible to completely ignore these value or use other settings as the host is completely unaware of the physical
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* serial link characteristics and instead sends and receives data in endpoint streams.
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*/
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*/
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USB_ClassInfo_CDC_Device_t VirtualSerial_CDC_Interface =
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static CDC_LineEncoding_t LineEncoding2 = { .BaudRateBPS = 0,
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{
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.CharFormat = CDC_LINEENCODING_OneStopBit,
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.Config =
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.ParityType = CDC_PARITY_None,
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{
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.DataBits = 8 };
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.ControlInterfaceNumber = INTERFACE_ID_CDC_CCI,
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.DataINEndpoint =
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{
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.Address = CDC_TX_EPADDR,
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.Size = CDC_TXRX_EPSIZE,
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.Banks = 1,
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},
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.DataOUTEndpoint =
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{
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.Address = CDC_RX_EPADDR,
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.Size = CDC_TXRX_EPSIZE,
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.Banks = 1,
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},
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.NotificationEndpoint =
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{
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.Address = CDC_NOTIFICATION_EPADDR,
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.Size = CDC_NOTIFICATION_EPSIZE,
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.Banks = 1,
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},
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},
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};
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/** Standard file stream for the CDC interface when set up, so that the virtual
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* CDC COM port can be used like any regular character stream in the C APIs.
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*/
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static FILE USBSerialStream;
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//********************************************************************************//
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/** Main program entry point. This routine configures the hardware required by the application, then
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* enters a loop to run the application tasks in sequence.
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/** Main program entry point. This routine contains the overall program flow, including initial
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* setup of all components and the main program loop.
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*/
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*/
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int main(void)
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int main(void)
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{
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{
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// USB/LUFA init
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SetupHardware();
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SetupHardware();
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// init the timer for time measurements
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// initialize the command interpreter
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timer_init();
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// LED matrix init
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lm_init();
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// KEY matrix init
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km_init();
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// read the key configuration table from EEPROM
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ch_readConfig();
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// init the serial communication command controller
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cc_init();
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cc_init();
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FIFO_init( agent_fifo);
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SET_ERR_MASK(ERRMASK_USB_NOTREADY);
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FIFO_init(seq_mod_fifo);
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FIFO_init(seq_val_fifo);
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// Create a regular character stream for the interface so that it can be used with the stdio.h functions
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CDC_Device_CreateStream(&VirtualSerial_CDC_Interface, &USBSerialStream);
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SET_GLOB_USB_STATUS(STATUSMASK_USB_NOTREADY);
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GlobalInterruptEnable();
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GlobalInterruptEnable();
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for (;;)
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for (;;)
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{
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{
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SendVirtualSerialData();
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CDC1_Task();
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CDC2_Task();
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ProcessVirtualSerialData();
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CDC_Device_USBTask(&VirtualSerial_CDC_Interface);
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HID_Device_USBTask(&Keyboard_HID_Interface);
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USB_USBTask();
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USB_USBTask();
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static uint8_t delay = 0;
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//uart_putc('1');
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if (delay > 50)
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{
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delay = 0;
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lm_show();
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}
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delay++;
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}
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}
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}
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}
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//********************************************************************************//
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/** Configures the board hardware and chip peripherals for the demo's functionality. */
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void SetupHardware(void)
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void timer_init()
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{
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// configure TIMER0 to count using a specified frequency the TCNT0 variable to generate
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// a overflow interrupt
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TCCR0A = 0x02; // WGM1 = 1; WGM0 = 0 => CTC-mode
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TCCR0B = 0x03; // prescaler = 64; WGM2 = 0 => 16MHz * 256 / 64 = ~ 1mz per Overflow Interrupt
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TIMSK0 = 0x01; // Overflow Interrupt Enable
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sei();
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}
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ISR(TCC0_OVF_vect)
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{
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if (time_measure_cnt >= 65534)
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{
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// reset all the counter values to prevent unpredictable behaviour
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time_measure_cnt = 0;
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seq_delay_time_measure_cnt_old = 0;
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keystroke_delay_time_measure_cnt_old = 0;
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}
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time_measure_cnt++;
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}
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//********************************************************************************//
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/** Configures the board hardware and chip peripherals for the demo's functionality.
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*/
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void SetupHardware()
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{
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{
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#if (ARCH == ARCH_AVR8)
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#if (ARCH == ARCH_AVR8)
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// Disable watchdog if enabled by bootloader/fuses
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/* Disable watchdog if enabled by bootloader/fuses */
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MCUSR &= ~(1 << WDRF);
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MCUSR &= ~(1 << WDRF);
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wdt_disable();
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wdt_disable();
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// Disable clock division */
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/* Disable clock division */
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clock_prescale_set(clock_div_1);
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clock_prescale_set(clock_div_1);
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#elif (ARCH == ARCH_XMEGA)
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#elif (ARCH == ARCH_XMEGA)
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// Start the PLL to multiply the 2MHz RC oscillator to 32MHz and switch the CPU
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/* Start the PLL to multiply the 2MHz RC oscillator to 32MHz and switch the CPU core to run from it */
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// core to run from it
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XMEGACLK_StartPLL(CLOCK_SRC_INT_RC2MHZ, 2000000, F_CPU);
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XMEGACLK_StartPLL(CLOCK_SRC_INT_RC2MHZ, 2000000, F_CPU);
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XMEGACLK_SetCPUClockSource(CLOCK_SRC_PLL);
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XMEGACLK_SetCPUClockSource(CLOCK_SRC_PLL);
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// Start the 32MHz internal RC oscillator and start the DFLL to increase it to
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/* Start the 32MHz internal RC oscillator and start the DFLL to increase it to 48MHz using the USB SOF as a reference */
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// 48MHz using the USB SOF as a reference
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XMEGACLK_StartInternalOscillator(CLOCK_SRC_INT_RC32MHZ);
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XMEGACLK_StartInternalOscillator(CLOCK_SRC_INT_RC32MHZ);
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XMEGACLK_StartDFLL(CLOCK_SRC_INT_RC32MHZ, DFLL_REF_INT_USBSOF, F_USB);
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XMEGACLK_StartDFLL(CLOCK_SRC_INT_RC32MHZ, DFLL_REF_INT_USBSOF, F_USB);
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PMIC.CTRL = PMIC_LOLVLEN_bm | PMIC_MEDLVLEN_bm | PMIC_HILVLEN_bm;
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PMIC.CTRL = PMIC_LOLVLEN_bm | PMIC_MEDLVLEN_bm | PMIC_HILVLEN_bm;
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#endif
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#endif
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// Hardware Initialization */
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// set the three MUX control lines to output
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DDRB |= (1 << PIN4) | (1 << PIN5) | (1 << PIN6);
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// set every pin to low
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EN_MUX_LINE0;
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DDRB |= (1 << PIN0) | (1 << PIN1);
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LED0_OFF;
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LED1_OFF;
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/* UART Hardware Initialization */
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eeprom_busy_wait();
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baudrate = eeprom_read_dword(&eep_baudrate);
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if (baudrate == 0xffffffff)
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{
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eeprom_busy_wait();
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baudrate = 115200;
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eeprom_write_dword(&eep_baudrate, baudrate);
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}
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uart_init( UART_BAUD_SELECT(baudrate, F_CPU) );
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sei();
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/* USB Hardware Initialization */
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USB_Init();
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USB_Init();
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}
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}
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//********************************************************************************//
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/** Event handler for the USB_Connect event. This indicates that the device is enumerating via the status LEDs and
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* starts the library USB task to begin the enumeration and USB management process.
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void ProcessVirtualSerialData()
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{
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// process the read data from Host here, if there is data to read
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int16_t ReceivedBytes = CDC_Device_BytesReceived(&VirtualSerial_CDC_Interface);
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if (ReceivedBytes > 0)
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{
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for (uint16_t i = 0; i < ReceivedBytes; i++)
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{
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int16_t ReceivedByte = CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface);
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// call the command controller - command processor
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cc_processData((uint8_t)ReceivedByte);
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}
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}
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}
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//********************************************************************************//
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void SendVirtualSerialData()
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{
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char* ReportString = NULL;
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// send the next id from the agent FIFO
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if (FIFO_available(agent_fifo))
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{
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uint8_t id = FIFO_pop(agent_fifo);
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ReportString = " ";
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sprintf(ReportString, "%c%c%c%c%c%c", MSG_SOM1, MSG_SOM2,
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MSG_TYPE_AGENTID, id,
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MSG_EOM1, MSG_EOM2);
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}
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if ((ReportString != NULL))
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{
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// Write the string to the virtual COM port via the created character stream
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USB_serialStreamWriteC(ReportString, 6);
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}
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}
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//********************************************************************************//
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/** HID class driver callback function for the creation of HID reports to the host.
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*
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* \param[in] HIDInterfaceInfo Pointer to the HID class interface configuration structure being referenced
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* \param[in,out] ReportID Report ID requested by the host if non-zero, otherwise callback should set to the generated report ID
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* \param[in] ReportType Type of the report to create, either HID_REPORT_ITEM_In or HID_REPORT_ITEM_Feature
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* \param[out] ReportData Pointer to a buffer where the created report should be stored
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* \param[out] ReportSize Number of bytes written in the report (or zero if no report is to be sent)
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*
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* \return Boolean \c true to force the sending of the report, \c false to let the library determine if it needs to be sent
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*/
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*/
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bool CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo,
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uint8_t* const ReportID,
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const uint8_t ReportType,
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void* ReportData,
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uint16_t* const ReportSize)
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{
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// Determine which interface must have its report generated */
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if (HIDInterfaceInfo == &Keyboard_HID_Interface)
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{
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USB_KeyboardReport_Data_t* KeyboardReport = (USB_KeyboardReport_Data_t*)ReportData;
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// update the key matrix values
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km_updateKeyStates();
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// prepare the new sequence related to the pressed key
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for (uint8_t k = 0; k < LM_LED_CNT; k++)
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{
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if (km_getKeyState(k) == KEY_STATE_GO_DOWN)
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{
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FIFO_push(agent_fifo, k);
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for (uint8_t s = 0; s < EEP_KEY_CNT; s++)
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{
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// ignore a mod/value combination of 0xff 0xff
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// just add the sequence to a "sequence execution FIFO" in case that it
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// is not an agent call
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// prevent multiple calls
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// TODO manage multikey (simultanous pressed) shortcuts here
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if (key_config[k][s][0] == 0xff && key_config[k][s][1] == 0xff)
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{
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s = EEP_KEY_CNT; // abort the loop, no more data found
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} else {
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FIFO_push(seq_mod_fifo, key_config[k][s][0]);
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FIFO_push(seq_val_fifo, key_config[k][s][1]);
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}
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}
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}
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}
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// TODO maybe we shall do ab bit more precise time measurement
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if (seq_delay > 0 && time_measure_cnt > seq_delay_time_measure_cnt_old)
|
|
||||||
{
|
|
||||||
seq_delay--;
|
|
||||||
seq_delay_time_measure_cnt_old = time_measure_cnt;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (keystroke_delay_cnt > 0 && time_measure_cnt > keystroke_delay_time_measure_cnt_old)
|
|
||||||
{
|
|
||||||
// TODO test if NN seconds are gone
|
|
||||||
keystroke_delay_cnt--;
|
|
||||||
keystroke_delay_time_measure_cnt_old = time_measure_cnt;
|
|
||||||
}
|
|
||||||
|
|
||||||
// execute the sequence execution FIFO content
|
|
||||||
if (FIFO_available(seq_mod_fifo) && FIFO_available(seq_val_fifo) &&
|
|
||||||
seq_delay == 0 && keystroke_delay_cnt == 0)
|
|
||||||
{
|
|
||||||
uint8_t mod = FIFO_pop(seq_mod_fifo);
|
|
||||||
uint8_t val = FIFO_pop(seq_val_fifo);
|
|
||||||
|
|
||||||
// reset the keystroke delay
|
|
||||||
keystroke_delay_cnt = keystroke_delay;
|
|
||||||
|
|
||||||
// process the data
|
|
||||||
if ((mod & KEY_MOD_DELAY) != 0)
|
|
||||||
{
|
|
||||||
// start the delay
|
|
||||||
seq_delay = val;
|
|
||||||
} else {
|
|
||||||
// TODO be aware of the os_type variable
|
|
||||||
if ((mod & KEY_MOD_FN) != 0)
|
|
||||||
KeyboardReport->Modifier += HID_KEYBOARD_MODIFIER_RIGHTSHIFT; // TODO fix the modifier
|
|
||||||
if ((mod & KEY_MOD_SHIFT) != 0)
|
|
||||||
KeyboardReport->Modifier += HID_KEYBOARD_MODIFIER_LEFTSHIFT;
|
|
||||||
if ((mod & KEY_MOD_CTRL) != 0)
|
|
||||||
KeyboardReport->Modifier += HID_KEYBOARD_MODIFIER_LEFTCTRL;
|
|
||||||
if ((mod & KEY_MOD_ALT) != 0)
|
|
||||||
KeyboardReport->Modifier += HID_KEYBOARD_MODIFIER_LEFTALT;
|
|
||||||
if ((mod & KEY_MOD_ALTGR) != 0)
|
|
||||||
KeyboardReport->Modifier += HID_KEYBOARD_MODIFIER_RIGHTALT;
|
|
||||||
if ((mod & KEY_MOD_SUPER) != 0)
|
|
||||||
KeyboardReport->Modifier += HID_KEYBOARD_MODIFIER_LEFTGUI;
|
|
||||||
|
|
||||||
// possible values: http://www.fourwalledcubicle.com/files/LUFA/Doc/120219/html/group___group___u_s_b_class_h_i_d_common.html
|
|
||||||
KeyboardReport->KeyCode[0] = val; // TODO one key at a time, up to 6 is supported: http://www.fourwalledcubicle.com/files/LUFA/Doc/120219/html/struct_u_s_b___keyboard_report___data__t.html#a1c24d97011685d58ab05e2f65d7b2c1b
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Some debug and test code
|
|
||||||
for (uint8_t i = 0; i < LM_LED_CNT; i++)
|
|
||||||
{
|
|
||||||
if (km_getKeyState(i) == KEY_STATE_GO_DOWN)
|
|
||||||
lm_ledOn(i);
|
|
||||||
if (km_getKeyState(i) == KEY_STATE_GO_UP)
|
|
||||||
lm_ledOff(i);
|
|
||||||
}
|
|
||||||
|
|
||||||
*ReportSize = sizeof(USB_KeyboardReport_Data_t);
|
|
||||||
|
|
||||||
}
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
|
|
||||||
//********************************************************************************//
|
|
||||||
|
|
||||||
/** HID class driver callback function for the processing of HID reports from the host.
|
|
||||||
*
|
|
||||||
* \param[in] HIDInterfaceInfo Pointer to the HID class interface configuration structure being referenced
|
|
||||||
* \param[in] ReportID Report ID of the received report from the host
|
|
||||||
* \param[in] ReportType The type of report that the host has sent, either HID_REPORT_ITEM_Out or HID_REPORT_ITEM_Feature
|
|
||||||
* \param[in] ReportData Pointer to a buffer where the received report has been stored
|
|
||||||
* \param[in] ReportSize Size in bytes of the received HID report
|
|
||||||
*/
|
|
||||||
void CALLBACK_HID_Device_ProcessHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo,
|
|
||||||
const uint8_t ReportID,
|
|
||||||
const uint8_t ReportType,
|
|
||||||
const void* ReportData,
|
|
||||||
const uint16_t ReportSize)
|
|
||||||
{
|
|
||||||
if (HIDInterfaceInfo == &Keyboard_HID_Interface)
|
|
||||||
{
|
|
||||||
uint8_t* LEDReport = (uint8_t*)ReportData;
|
|
||||||
|
|
||||||
/*
|
|
||||||
// TODO process the Keyboard LED status information
|
|
||||||
if (*LEDReport & HID_KEYBOARD_LED_NUMLOCK)
|
|
||||||
|
|
||||||
if (*LEDReport & HID_KEYBOARD_LED_CAPSLOCK)
|
|
||||||
|
|
||||||
if (*LEDReport & HID_KEYBOARD_LED_SCROLLLOCK)
|
|
||||||
*/
|
|
||||||
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
//********************************************************************************//
|
|
||||||
|
|
||||||
/** CDC class driver callback function the processing of changes to the virtual
|
|
||||||
* control lines sent from the host..
|
|
||||||
*
|
|
||||||
* \param[in] CDCInterfaceInfo Pointer to the CDC class interface configuration structure being referenced
|
|
||||||
*/
|
|
||||||
void EVENT_CDC_Device_ControLineStateChanged(USB_ClassInfo_CDC_Device_t *const CDCInterfaceInfo)
|
|
||||||
{
|
|
||||||
// You can get changes to the virtual CDC lines in this callback; a common
|
|
||||||
// use-case is to use the Data Terminal Ready (DTR) flag to enable and
|
|
||||||
// disable CDC communications in your application when set to avoid the
|
|
||||||
// application blocking while waiting for a host to become ready and read
|
|
||||||
// in the pending data from the USB endpoints.
|
|
||||||
|
|
||||||
bool HostReady = (CDCInterfaceInfo->State.ControlLineStates.HostToDevice & CDC_CONTROL_LINE_OUT_DTR) != 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
//********************************************************************************//
|
|
||||||
|
|
||||||
/** Event handler for the library USB Connection event. */
|
|
||||||
void EVENT_USB_Device_Connect(void)
|
void EVENT_USB_Device_Connect(void)
|
||||||
{
|
{
|
||||||
SET_GLOB_USB_STATUS(STATUSMASK_USB_ENUMERATING);
|
/* Indicate USB enumerating */
|
||||||
|
SET_ERR_MASK(ERRMASK_USB_ENUMERATING);
|
||||||
}
|
}
|
||||||
|
|
||||||
/** Event handler for the library USB Disconnection event. */
|
/** Event handler for the USB_Disconnect event. This indicates that the device is no longer connected to a host via
|
||||||
|
* the status LEDs and stops the USB management and CDC management tasks.
|
||||||
|
*/
|
||||||
void EVENT_USB_Device_Disconnect(void)
|
void EVENT_USB_Device_Disconnect(void)
|
||||||
{
|
{
|
||||||
SET_GLOB_USB_STATUS(STATUSMASK_USB_NOTREADY);
|
/* Indicate USB not ready */
|
||||||
|
SET_ERR_MASK(ERRMASK_USB_NOTREADY);
|
||||||
}
|
}
|
||||||
|
|
||||||
/** Event handler for the library USB Configuration Changed event. */
|
/** Event handler for the USB_ConfigurationChanged event. This is fired when the host set the current configuration
|
||||||
|
* of the USB device after enumeration - the device endpoints are configured and the CDC management tasks are started.
|
||||||
|
*/
|
||||||
void EVENT_USB_Device_ConfigurationChanged(void)
|
void EVENT_USB_Device_ConfigurationChanged(void)
|
||||||
{
|
{
|
||||||
bool ConfigSuccess = true;
|
bool ConfigSuccess = true;
|
||||||
|
|
||||||
ConfigSuccess &= HID_Device_ConfigureEndpoints(&Keyboard_HID_Interface);
|
/* Setup first CDC Interface's Endpoints */
|
||||||
ConfigSuccess &= CDC_Device_ConfigureEndpoints(&VirtualSerial_CDC_Interface);
|
ConfigSuccess &= Endpoint_ConfigureEndpoint(CDC1_TX_EPADDR, EP_TYPE_BULK, CDC_TXRX_EPSIZE, 1);
|
||||||
|
ConfigSuccess &= Endpoint_ConfigureEndpoint(CDC1_RX_EPADDR, EP_TYPE_BULK, CDC_TXRX_EPSIZE, 1);
|
||||||
|
ConfigSuccess &= Endpoint_ConfigureEndpoint(CDC1_NOTIFICATION_EPADDR, EP_TYPE_INTERRUPT, CDC_NOTIFICATION_EPSIZE, 1);
|
||||||
|
|
||||||
USB_Device_EnableSOFEvents();
|
/* Setup second CDC Interface's Endpoints */
|
||||||
|
ConfigSuccess &= Endpoint_ConfigureEndpoint(CDC2_TX_EPADDR, EP_TYPE_BULK, CDC_TXRX_EPSIZE, 1);
|
||||||
|
ConfigSuccess &= Endpoint_ConfigureEndpoint(CDC2_RX_EPADDR, EP_TYPE_BULK, CDC_TXRX_EPSIZE, 1);
|
||||||
|
ConfigSuccess &= Endpoint_ConfigureEndpoint(CDC2_NOTIFICATION_EPADDR, EP_TYPE_INTERRUPT, CDC_NOTIFICATION_EPSIZE, 1);
|
||||||
|
|
||||||
SET_GLOB_USB_STATUS(ConfigSuccess ? STATUSMASK_USB_READY : STATUSMASK_USB_ERROR);
|
/* Reset line encoding baud rates so that the host knows to send new values */
|
||||||
|
LineEncoding1.BaudRateBPS = 0;
|
||||||
|
LineEncoding2.BaudRateBPS = 0;
|
||||||
|
|
||||||
|
/* Indicate endpoint configuration success or failure */
|
||||||
|
SET_ERR_MASK(ConfigSuccess ? ERRMASK_USB_READY : ERRMASK_USB_ERROR);
|
||||||
}
|
}
|
||||||
|
|
||||||
/** Event handler for the library USB Control Request reception event. */
|
/** Event handler for the USB_ControlRequest event. This is used to catch and process control requests sent to
|
||||||
|
* the device from the USB host before passing along unhandled control requests to the library for processing
|
||||||
|
* internally.
|
||||||
|
*/
|
||||||
void EVENT_USB_Device_ControlRequest(void)
|
void EVENT_USB_Device_ControlRequest(void)
|
||||||
{
|
{
|
||||||
HID_Device_ProcessControlRequest(&Keyboard_HID_Interface);
|
/* Determine which interface's Line Coding data is being set from the wIndex parameter */
|
||||||
CDC_Device_ProcessControlRequest(&VirtualSerial_CDC_Interface);
|
void* LineEncodingData = (USB_ControlRequest.wIndex == 0) ? &LineEncoding1 : &LineEncoding2;
|
||||||
}
|
|
||||||
|
|
||||||
/** Event handler for the USB device Start Of Frame event. */
|
/* Process CDC specific control requests */
|
||||||
void EVENT_USB_Device_StartOfFrame(void)
|
switch (USB_ControlRequest.bRequest)
|
||||||
{
|
|
||||||
HID_Device_MillisecondElapsed(&Keyboard_HID_Interface);
|
|
||||||
}
|
|
||||||
|
|
||||||
//********************************************************************************//
|
|
||||||
|
|
||||||
void USB_serialStreamWriteC(char* msg, uint16_t len)
|
|
||||||
{
|
|
||||||
for (uint8_t i = 0; i < len; i++)
|
|
||||||
{
|
{
|
||||||
fputc(msg[i], &USBSerialStream);
|
case CDC_REQ_GetLineEncoding:
|
||||||
|
if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
|
||||||
|
{
|
||||||
|
Endpoint_ClearSETUP();
|
||||||
|
|
||||||
|
/* Write the line coding data to the control endpoint */
|
||||||
|
Endpoint_Write_Control_Stream_LE(LineEncodingData, sizeof(CDC_LineEncoding_t));
|
||||||
|
Endpoint_ClearOUT();
|
||||||
|
}
|
||||||
|
|
||||||
|
break;
|
||||||
|
case CDC_REQ_SetLineEncoding:
|
||||||
|
if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
|
||||||
|
{
|
||||||
|
Endpoint_ClearSETUP();
|
||||||
|
|
||||||
|
/* Read the line coding data in from the host into the global struct */
|
||||||
|
Endpoint_Read_Control_Stream_LE(LineEncodingData, sizeof(CDC_LineEncoding_t));
|
||||||
|
Endpoint_ClearIN();
|
||||||
|
}
|
||||||
|
|
||||||
|
break;
|
||||||
|
case CDC_REQ_SetControlLineState:
|
||||||
|
if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
|
||||||
|
{
|
||||||
|
Endpoint_ClearSETUP();
|
||||||
|
Endpoint_ClearStatusStage();
|
||||||
|
}
|
||||||
|
|
||||||
|
break;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
void USB_serialStreamWrite(char* msg)
|
/** Function to manage CDC data transmission and reception to and from the host for the first CDC interface,
|
||||||
|
* which sends answers or response data to the host.
|
||||||
|
*/
|
||||||
|
void CDC1_Task(void)
|
||||||
{
|
{
|
||||||
fputs(msg, &USBSerialStream);
|
/* Device must be connected and configured for the task to run */
|
||||||
|
if (USB_DeviceState != DEVICE_STATE_Configured)
|
||||||
|
return;
|
||||||
|
|
||||||
|
//===========================================================================
|
||||||
|
/* Select the Serial Rx Endpoint */
|
||||||
|
Endpoint_SelectEndpoint(CDC1_RX_EPADDR);
|
||||||
|
|
||||||
|
if (Endpoint_IsOUTReceived())
|
||||||
|
{
|
||||||
|
/* Create a temp buffer big enough to hold the incoming endpoint packet */
|
||||||
|
uint8_t Buffer[Endpoint_BytesInEndpoint()];
|
||||||
|
|
||||||
|
/* Remember how large the incoming packet is */
|
||||||
|
uint16_t DataLength = Endpoint_BytesInEndpoint();
|
||||||
|
|
||||||
|
/* Read in the incoming packet into the buffer */
|
||||||
|
Endpoint_Read_Stream_LE(&Buffer, DataLength, NULL);
|
||||||
|
|
||||||
|
/* Finalize the stream transfer to send the last packet */
|
||||||
|
Endpoint_ClearOUT();
|
||||||
|
|
||||||
|
for (uint16_t i = 0; i < DataLength; i++)
|
||||||
|
{
|
||||||
|
// process the received data and descide to do an action
|
||||||
|
LED0_ON;
|
||||||
|
cc_processData(Buffer[i]);
|
||||||
|
LED0_OFF;
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
||||||
//********************************************************************************//
|
void USB_serialStreamWriteC(char *data, uint16_t len)
|
||||||
|
{
|
||||||
|
//===========================================================================
|
||||||
|
/* Determine if data/answeres should be sent to the host
|
||||||
|
* the previous RX section should be clarify that behaviour.
|
||||||
|
*/
|
||||||
|
|
||||||
|
/* Flag management - Only allow one string to be sent per action */
|
||||||
|
if (data != NULL && len > 0 && LineEncoding1.BaudRateBPS)
|
||||||
|
{
|
||||||
|
|
||||||
|
LED1_ON;
|
||||||
|
|
||||||
|
/* Select the Serial Tx Endpoint */
|
||||||
|
Endpoint_SelectEndpoint(CDC1_TX_EPADDR);
|
||||||
|
|
||||||
|
/* Write the String to the Endpoint */
|
||||||
|
Endpoint_Write_Stream_LE(data, len, NULL);
|
||||||
|
|
||||||
|
/* Finalize the stream transfer to send the last packet */
|
||||||
|
Endpoint_ClearIN();
|
||||||
|
|
||||||
|
/* Wait until the endpoint is ready for another packet */
|
||||||
|
Endpoint_WaitUntilReady();
|
||||||
|
|
||||||
|
/* Send an empty packet to ensure that the host does not buffer data sent to it */
|
||||||
|
Endpoint_ClearIN();
|
||||||
|
|
||||||
|
LED1_OFF;
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
/** Function to manage CDC data transmission and reception to and from the host for the second CDC interface,
|
||||||
|
* which sends all data received from a node (mux) during USART to the host.
|
||||||
|
*/
|
||||||
|
void CDC2_Task(void)
|
||||||
|
{
|
||||||
|
/* Device must be connected and configured for the task to run */
|
||||||
|
if (USB_DeviceState != DEVICE_STATE_Configured)
|
||||||
|
return;
|
||||||
|
|
||||||
|
//===========================================================================
|
||||||
|
/* Select the Serial Rx Endpoint */
|
||||||
|
Endpoint_SelectEndpoint(CDC2_RX_EPADDR);
|
||||||
|
|
||||||
|
/* Check to see if any data has been received */
|
||||||
|
if (Endpoint_IsOUTReceived())
|
||||||
|
{
|
||||||
|
/* Create a temp buffer big enough to hold the incoming endpoint packet */
|
||||||
|
uint8_t Buffer[Endpoint_BytesInEndpoint()];
|
||||||
|
|
||||||
|
/* Remember how large the incoming packet is */
|
||||||
|
uint16_t DataLength = Endpoint_BytesInEndpoint();
|
||||||
|
|
||||||
|
/* Read in the incoming packet into the buffer */
|
||||||
|
Endpoint_Read_Stream_LE(&Buffer, DataLength, NULL);
|
||||||
|
|
||||||
|
/* Finalize the stream transfer to send the last packet */
|
||||||
|
Endpoint_ClearOUT();
|
||||||
|
|
||||||
|
// TODO at this point send the data to the USART
|
||||||
|
// Send USART &Buffer
|
||||||
|
for (uint16_t i = 0; i < DataLength; i++)
|
||||||
|
{
|
||||||
|
uart_putc(Buffer[i]);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
//return;
|
||||||
|
|
||||||
|
//===========================================================================
|
||||||
|
uint8_t outBuffer[OUTPUT_BUFFER_SIZE];
|
||||||
|
// TODO read the USART data and send them to the host
|
||||||
|
// Fill &Buffer with USART data or send the USART input buffer direct
|
||||||
|
uint16_t cnt = 0;
|
||||||
|
int c = uart_getc();
|
||||||
|
while (!(c & UART_NO_DATA) && cnt < OUTPUT_BUFFER_SIZE)
|
||||||
|
{
|
||||||
|
//LED0_ON;
|
||||||
|
outBuffer[cnt] = c;
|
||||||
|
c = uart_getc();
|
||||||
|
cnt++;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
cnt = 1;
|
||||||
|
outBuffer[0] = '2';
|
||||||
|
*/
|
||||||
|
|
||||||
|
// send the data which was received from the uart connection
|
||||||
|
if (cnt > 0)
|
||||||
|
{
|
||||||
|
/* Select the Serial Tx Endpoint */
|
||||||
|
Endpoint_SelectEndpoint(CDC2_TX_EPADDR);
|
||||||
|
|
||||||
|
/* Write the received data to the endpoint */
|
||||||
|
Endpoint_Write_Stream_LE(&outBuffer, cnt, NULL);
|
||||||
|
|
||||||
|
/* Finalize the stream transfer to send the last packet */
|
||||||
|
Endpoint_ClearIN();
|
||||||
|
|
||||||
|
/* Wait until the endpoint is ready for the next packet */
|
||||||
|
Endpoint_WaitUntilReady();
|
||||||
|
|
||||||
|
/* Send an empty packet to prevent host buffering */
|
||||||
|
Endpoint_ClearIN();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
|
||||||
Loading…
Reference in a new issue