diff options
author | Dean Camera <[email protected]> | 2010-05-08 03:12:14 +0000 |
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committer | Dean Camera <[email protected]> | 2010-05-08 03:12:14 +0000 |
commit | 071e02c6b6b4837fa9cf0b6d4c749994e02638d7 (patch) | |
tree | 960446788703b69f0bb285450be80c5b3d8cc22c /Projects/Benito/Benito.c | |
parent | e331b531c6e6d93eb0eee42b9002074e8090ad18 (diff) | |
download | qmk_firmware-071e02c6b6b4837fa9cf0b6d4c749994e02638d7.tar.gz qmk_firmware-071e02c6b6b4837fa9cf0b6d4c749994e02638d7.zip |
Add svn:eol-style property to source files, so that the line endings are correctly converted to the target system's native end of line style.
Diffstat (limited to 'Projects/Benito/Benito.c')
-rw-r--r-- | Projects/Benito/Benito.c | 528 |
1 files changed, 264 insertions, 264 deletions
diff --git a/Projects/Benito/Benito.c b/Projects/Benito/Benito.c index a91cef037b..1fceec1f65 100644 --- a/Projects/Benito/Benito.c +++ b/Projects/Benito/Benito.c @@ -1,264 +1,264 @@ -/*
- LUFA Library
- Copyright (C) Dean Camera, 2010.
-
- dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
-*/
-
-/*
- Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
-
- 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
- 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
- software without specific, written prior permission.
-
- The author disclaim all warranties with regard to this
- software, including all implied warranties of merchantability
- and fitness. In no event shall the author be liable for any
- special, indirect or consequential damages or any damages
- whatsoever resulting from loss of use, data or profits, whether
- in an action of contract, negligence or other tortious action,
- arising out of or in connection with the use or performance of
- this software.
-*/
-
-/** \file
- *
- * Main source file for the Benito project. This file contains the main tasks of
- * the project and is responsible for the initial application hardware configuration.
- */
-
-#include "Benito.h"
-
-/** Circular buffer to hold data from the serial port before it is sent to the host. */
-RingBuff_t Tx_Buffer;
-
-/** Pulse generation counters to keep track of the number of milliseconds remaining for each pulse type */
-volatile struct
-{
- uint8_t ResetPulse; /**< Milliseconds remaining for target /RESET pulse */
- uint8_t TxLEDPulse; /**< Milliseconds remaining for data Tx LED pulse */
- uint8_t RxLEDPulse; /**< Milliseconds remaining for data Rx LED pulse */
- uint8_t PingPongLEDPulse; /**< Milliseconds remaining for enumeration Tx/Rx ping-pong LED pulse */
-} PulseMSRemaining;
-
-/** Previous state of the virtual DTR control line from the host */
-bool PreviousDTRState = false;
-
-/** LUFA CDC Class driver interface configuration and state information. This structure is
- * passed to all CDC Class driver functions, so that multiple instances of the same class
- * within a device can be differentiated from one another.
- */
-USB_ClassInfo_CDC_Device_t VirtualSerial_CDC_Interface =
- {
- .Config =
- {
- .ControlInterfaceNumber = 0,
-
- .DataINEndpointNumber = CDC_TX_EPNUM,
- .DataINEndpointSize = CDC_TXRX_EPSIZE,
- .DataINEndpointDoubleBank = false,
-
- .DataOUTEndpointNumber = CDC_RX_EPNUM,
- .DataOUTEndpointSize = CDC_TXRX_EPSIZE,
- .DataOUTEndpointDoubleBank = false,
-
- .NotificationEndpointNumber = CDC_NOTIFICATION_EPNUM,
- .NotificationEndpointSize = CDC_NOTIFICATION_EPSIZE,
- .NotificationEndpointDoubleBank = false,
- },
- };
-
-/** Main program entry point. This routine contains the overall program flow, including initial
- * setup of all components and the main program loop.
- */
-int main(void)
-{
- SetupHardware();
-
- Buffer_Initialize(&Tx_Buffer);
-
- sei();
-
- for (;;)
- {
- /* Echo bytes from the host to the target via the hardware USART */
- while (CDC_Device_BytesReceived(&VirtualSerial_CDC_Interface) > 0)
- {
- Serial_TxByte(CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface));
-
- LEDs_TurnOnLEDs(LEDMASK_TX);
- PulseMSRemaining.TxLEDPulse = TX_RX_LED_PULSE_MS;
- }
-
- /* Echo bytes from the target to the host via the virtual serial port */
- while (Tx_Buffer.Elements > 0)
- {
- CDC_Device_SendByte(&VirtualSerial_CDC_Interface, Buffer_GetElement(&Tx_Buffer));
-
- LEDs_TurnOnLEDs(LEDMASK_RX);
- PulseMSRemaining.RxLEDPulse = TX_RX_LED_PULSE_MS;
- }
-
- /* Check if the millisecond timer has elapsed */
- if (TIFR0 & (1 << OCF0A))
- {
- /* Check if the reset pulse period has elapsed, if so tristate the target reset line */
- if (PulseMSRemaining.ResetPulse && !(--PulseMSRemaining.ResetPulse))
- {
- LEDs_TurnOffLEDs(LEDMASK_BUSY);
- AVR_RESET_LINE_DDR &= ~AVR_RESET_LINE_MASK;
- }
-
- /* Check if the LEDs should be ping-ponging (during enumeration) */
- if (PulseMSRemaining.PingPongLEDPulse && !(--PulseMSRemaining.PingPongLEDPulse))
- {
- LEDs_ToggleLEDs(LEDMASK_TX | LEDMASK_RX);
- PulseMSRemaining.PingPongLEDPulse = PING_PONG_LED_PULSE_MS;
- }
-
- /* Turn off TX LED(s) once the TX pulse period has elapsed */
- if (PulseMSRemaining.TxLEDPulse && !(--PulseMSRemaining.TxLEDPulse))
- LEDs_TurnOffLEDs(LEDMASK_TX);
-
- /* Turn off RX LED(s) once the RX pulse period has elapsed */
- if (PulseMSRemaining.RxLEDPulse && !(--PulseMSRemaining.RxLEDPulse))
- LEDs_TurnOffLEDs(LEDMASK_RX);
-
- /* Clear the millisecond timer CTC flag (cleared by writing logic one to the register) */
- TIFR0 |= (1 << OCF0A);
- }
-
- CDC_Device_USBTask(&VirtualSerial_CDC_Interface);
- USB_USBTask();
- }
-}
-
-/** Configures the board hardware and chip peripherals for the demo's functionality. */
-void SetupHardware(void)
-{
- /* Disable watchdog if enabled by bootloader/fuses */
- MCUSR &= ~(1 << WDRF);
- wdt_disable();
-
- /* Hardware Initialization */
- Serial_Init(9600, false);
- LEDs_Init();
- USB_Init();
-
- /* Millisecond Timer Interrupt */
- OCR0A = (F_CPU / 64 / 1000);
- TCCR0A = (1 << WGM01);
- TCCR0B = ((1 << CS01) | (1 << CS00));
-
- /* Tristate target /RESET Line */
- AVR_RESET_LINE_PORT &= ~AVR_RESET_LINE_MASK;
- AVR_RESET_LINE_DDR &= ~AVR_RESET_LINE_MASK;
-}
-
-/** Event handler for the library USB Connection event. */
-void EVENT_USB_Device_Connect(void)
-{
- PulseMSRemaining.PingPongLEDPulse = PING_PONG_LED_PULSE_MS;
- LEDs_SetAllLEDs(LEDMASK_TX);
-}
-
-/** Event handler for the library USB Disconnection event. */
-void EVENT_USB_Device_Disconnect(void)
-{
- PulseMSRemaining.PingPongLEDPulse = 0;
- LEDs_SetAllLEDs(LEDS_NO_LEDS);
-}
-
-/** Event handler for the library USB Configuration Changed event. */
-void EVENT_USB_Device_ConfigurationChanged(void)
-{
- PulseMSRemaining.PingPongLEDPulse = 0;
- LEDs_SetAllLEDs(LEDS_NO_LEDS);
-
- if (!(CDC_Device_ConfigureEndpoints(&VirtualSerial_CDC_Interface)))
- LEDs_SetAllLEDs(LEDMASK_ERROR);
-}
-
-/** Event handler for the library USB Unhandled Control Request event. */
-void EVENT_USB_Device_UnhandledControlRequest(void)
-{
- CDC_Device_ProcessControlRequest(&VirtualSerial_CDC_Interface);
-}
-
-/** Event handler for the CDC Class driver Line Encoding Changed event.
- *
- * \param[in] CDCInterfaceInfo Pointer to the CDC class interface configuration structure being referenced
- */
-void EVENT_CDC_Device_LineEncodingChanged(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)
-{
- uint8_t ConfigMask = 0;
-
- switch (CDCInterfaceInfo->State.LineEncoding.ParityType)
- {
- case CDC_PARITY_Odd:
- ConfigMask = ((1 << UPM11) | (1 << UPM10));
- break;
- case CDC_PARITY_Even:
- ConfigMask = (1 << UPM11);
- break;
- }
-
- if (CDCInterfaceInfo->State.LineEncoding.CharFormat == CDC_LINEENCODING_TwoStopBits)
- ConfigMask |= (1 << USBS1);
-
- switch (CDCInterfaceInfo->State.LineEncoding.DataBits)
- {
- case 6:
- ConfigMask |= (1 << UCSZ10);
- break;
- case 7:
- ConfigMask |= (1 << UCSZ11);
- break;
- case 8:
- ConfigMask |= ((1 << UCSZ11) | (1 << UCSZ10));
- break;
- }
-
- UCSR1A = (1 << U2X1);
- UCSR1B = ((1 << RXCIE1) | (1 << TXEN1) | (1 << RXEN1));
- UCSR1C = ConfigMask;
- UBRR1 = SERIAL_2X_UBBRVAL(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS);
-}
-
-/** ISR to manage the reception of data from the serial port, placing received bytes into a circular buffer
- * for later transmission to the host.
- */
-ISR(USART1_RX_vect, ISR_BLOCK)
-{
- uint8_t ReceivedByte = UDR1;
-
- if (USB_DeviceState == DEVICE_STATE_Configured)
- Buffer_StoreElement(&Tx_Buffer, ReceivedByte);
-}
-
-/** Event handler for the CDC Class driver Host-to-Device Line Encoding Changed event.
- *
- * \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)
-{
- bool CurrentDTRState = (CDCInterfaceInfo->State.ControlLineStates.HostToDevice & CDC_CONTROL_LINE_OUT_DTR);
-
- /* Check if the DTR line has been asserted - if so, start the target AVR's reset pulse */
- if (!(PreviousDTRState) && CurrentDTRState)
- {
- LEDs_SetAllLEDs(LEDMASK_BUSY);
-
- AVR_RESET_LINE_DDR |= AVR_RESET_LINE_MASK;
- PulseMSRemaining.ResetPulse = AVR_RESET_PULSE_MS;
- }
-
- PreviousDTRState = CurrentDTRState;
-}
+/* + LUFA Library + Copyright (C) Dean Camera, 2010. + + dean [at] fourwalledcubicle [dot] com + www.fourwalledcubicle.com +*/ + +/* + Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + 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 + 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 + software without specific, written prior permission. + + The author disclaim all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +/** \file + * + * Main source file for the Benito project. This file contains the main tasks of + * the project and is responsible for the initial application hardware configuration. + */ + +#include "Benito.h" + +/** Circular buffer to hold data from the serial port before it is sent to the host. */ +RingBuff_t Tx_Buffer; + +/** Pulse generation counters to keep track of the number of milliseconds remaining for each pulse type */ +volatile struct +{ + uint8_t ResetPulse; /**< Milliseconds remaining for target /RESET pulse */ + uint8_t TxLEDPulse; /**< Milliseconds remaining for data Tx LED pulse */ + uint8_t RxLEDPulse; /**< Milliseconds remaining for data Rx LED pulse */ + uint8_t PingPongLEDPulse; /**< Milliseconds remaining for enumeration Tx/Rx ping-pong LED pulse */ +} PulseMSRemaining; + +/** Previous state of the virtual DTR control line from the host */ +bool PreviousDTRState = false; + +/** LUFA CDC Class driver interface configuration and state information. This structure is + * passed to all CDC Class driver functions, so that multiple instances of the same class + * within a device can be differentiated from one another. + */ +USB_ClassInfo_CDC_Device_t VirtualSerial_CDC_Interface = + { + .Config = + { + .ControlInterfaceNumber = 0, + + .DataINEndpointNumber = CDC_TX_EPNUM, + .DataINEndpointSize = CDC_TXRX_EPSIZE, + .DataINEndpointDoubleBank = false, + + .DataOUTEndpointNumber = CDC_RX_EPNUM, + .DataOUTEndpointSize = CDC_TXRX_EPSIZE, + .DataOUTEndpointDoubleBank = false, + + .NotificationEndpointNumber = CDC_NOTIFICATION_EPNUM, + .NotificationEndpointSize = CDC_NOTIFICATION_EPSIZE, + .NotificationEndpointDoubleBank = false, + }, + }; + +/** Main program entry point. This routine contains the overall program flow, including initial + * setup of all components and the main program loop. + */ +int main(void) +{ + SetupHardware(); + + Buffer_Initialize(&Tx_Buffer); + + sei(); + + for (;;) + { + /* Echo bytes from the host to the target via the hardware USART */ + while (CDC_Device_BytesReceived(&VirtualSerial_CDC_Interface) > 0) + { + Serial_TxByte(CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface)); + + LEDs_TurnOnLEDs(LEDMASK_TX); + PulseMSRemaining.TxLEDPulse = TX_RX_LED_PULSE_MS; + } + + /* Echo bytes from the target to the host via the virtual serial port */ + while (Tx_Buffer.Elements > 0) + { + CDC_Device_SendByte(&VirtualSerial_CDC_Interface, Buffer_GetElement(&Tx_Buffer)); + + LEDs_TurnOnLEDs(LEDMASK_RX); + PulseMSRemaining.RxLEDPulse = TX_RX_LED_PULSE_MS; + } + + /* Check if the millisecond timer has elapsed */ + if (TIFR0 & (1 << OCF0A)) + { + /* Check if the reset pulse period has elapsed, if so tristate the target reset line */ + if (PulseMSRemaining.ResetPulse && !(--PulseMSRemaining.ResetPulse)) + { + LEDs_TurnOffLEDs(LEDMASK_BUSY); + AVR_RESET_LINE_DDR &= ~AVR_RESET_LINE_MASK; + } + + /* Check if the LEDs should be ping-ponging (during enumeration) */ + if (PulseMSRemaining.PingPongLEDPulse && !(--PulseMSRemaining.PingPongLEDPulse)) + { + LEDs_ToggleLEDs(LEDMASK_TX | LEDMASK_RX); + PulseMSRemaining.PingPongLEDPulse = PING_PONG_LED_PULSE_MS; + } + + /* Turn off TX LED(s) once the TX pulse period has elapsed */ + if (PulseMSRemaining.TxLEDPulse && !(--PulseMSRemaining.TxLEDPulse)) + LEDs_TurnOffLEDs(LEDMASK_TX); + + /* Turn off RX LED(s) once the RX pulse period has elapsed */ + if (PulseMSRemaining.RxLEDPulse && !(--PulseMSRemaining.RxLEDPulse)) + LEDs_TurnOffLEDs(LEDMASK_RX); + + /* Clear the millisecond timer CTC flag (cleared by writing logic one to the register) */ + TIFR0 |= (1 << OCF0A); + } + + CDC_Device_USBTask(&VirtualSerial_CDC_Interface); + USB_USBTask(); + } +} + +/** Configures the board hardware and chip peripherals for the demo's functionality. */ +void SetupHardware(void) +{ + /* Disable watchdog if enabled by bootloader/fuses */ + MCUSR &= ~(1 << WDRF); + wdt_disable(); + + /* Hardware Initialization */ + Serial_Init(9600, false); + LEDs_Init(); + USB_Init(); + + /* Millisecond Timer Interrupt */ + OCR0A = (F_CPU / 64 / 1000); + TCCR0A = (1 << WGM01); + TCCR0B = ((1 << CS01) | (1 << CS00)); + + /* Tristate target /RESET Line */ + AVR_RESET_LINE_PORT &= ~AVR_RESET_LINE_MASK; + AVR_RESET_LINE_DDR &= ~AVR_RESET_LINE_MASK; +} + +/** Event handler for the library USB Connection event. */ +void EVENT_USB_Device_Connect(void) +{ + PulseMSRemaining.PingPongLEDPulse = PING_PONG_LED_PULSE_MS; + LEDs_SetAllLEDs(LEDMASK_TX); +} + +/** Event handler for the library USB Disconnection event. */ +void EVENT_USB_Device_Disconnect(void) +{ + PulseMSRemaining.PingPongLEDPulse = 0; + LEDs_SetAllLEDs(LEDS_NO_LEDS); +} + +/** Event handler for the library USB Configuration Changed event. */ +void EVENT_USB_Device_ConfigurationChanged(void) +{ + PulseMSRemaining.PingPongLEDPulse = 0; + LEDs_SetAllLEDs(LEDS_NO_LEDS); + + if (!(CDC_Device_ConfigureEndpoints(&VirtualSerial_CDC_Interface))) + LEDs_SetAllLEDs(LEDMASK_ERROR); +} + +/** Event handler for the library USB Unhandled Control Request event. */ +void EVENT_USB_Device_UnhandledControlRequest(void) +{ + CDC_Device_ProcessControlRequest(&VirtualSerial_CDC_Interface); +} + +/** Event handler for the CDC Class driver Line Encoding Changed event. + * + * \param[in] CDCInterfaceInfo Pointer to the CDC class interface configuration structure being referenced + */ +void EVENT_CDC_Device_LineEncodingChanged(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo) +{ + uint8_t ConfigMask = 0; + + switch (CDCInterfaceInfo->State.LineEncoding.ParityType) + { + case CDC_PARITY_Odd: + ConfigMask = ((1 << UPM11) | (1 << UPM10)); + break; + case CDC_PARITY_Even: + ConfigMask = (1 << UPM11); + break; + } + + if (CDCInterfaceInfo->State.LineEncoding.CharFormat == CDC_LINEENCODING_TwoStopBits) + ConfigMask |= (1 << USBS1); + + switch (CDCInterfaceInfo->State.LineEncoding.DataBits) + { + case 6: + ConfigMask |= (1 << UCSZ10); + break; + case 7: + ConfigMask |= (1 << UCSZ11); + break; + case 8: + ConfigMask |= ((1 << UCSZ11) | (1 << UCSZ10)); + break; + } + + UCSR1A = (1 << U2X1); + UCSR1B = ((1 << RXCIE1) | (1 << TXEN1) | (1 << RXEN1)); + UCSR1C = ConfigMask; + UBRR1 = SERIAL_2X_UBBRVAL(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS); +} + +/** ISR to manage the reception of data from the serial port, placing received bytes into a circular buffer + * for later transmission to the host. + */ +ISR(USART1_RX_vect, ISR_BLOCK) +{ + uint8_t ReceivedByte = UDR1; + + if (USB_DeviceState == DEVICE_STATE_Configured) + Buffer_StoreElement(&Tx_Buffer, ReceivedByte); +} + +/** Event handler for the CDC Class driver Host-to-Device Line Encoding Changed event. + * + * \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) +{ + bool CurrentDTRState = (CDCInterfaceInfo->State.ControlLineStates.HostToDevice & CDC_CONTROL_LINE_OUT_DTR); + + /* Check if the DTR line has been asserted - if so, start the target AVR's reset pulse */ + if (!(PreviousDTRState) && CurrentDTRState) + { + LEDs_SetAllLEDs(LEDMASK_BUSY); + + AVR_RESET_LINE_DDR |= AVR_RESET_LINE_MASK; + PulseMSRemaining.ResetPulse = AVR_RESET_PULSE_MS; + } + + PreviousDTRState = CurrentDTRState; +} |