diff options
author | tmk <nobody@nowhere> | 2011-05-07 00:04:18 +0900 |
---|---|---|
committer | tmk <nobody@nowhere> | 2011-05-07 00:48:18 +0900 |
commit | 61e12a3157ea6860f23bf8e29372aa70aeb02be0 (patch) | |
tree | b93de00a8deb10713eec89edfb315d5b447201d6 /ps2_usb | |
parent | a6b31e950fe8de3dc4888e2f90a4001a6caee483 (diff) |
move files: main_vusb.c ps2_usart.c sendchar_usart.c from ps2_usb to common dir
Diffstat (limited to 'ps2_usb')
-rwxr-xr-x | ps2_usb/Makefile | 2 | ||||
-rw-r--r-- | ps2_usb/Makefile.vusb | 6 | ||||
-rw-r--r-- | ps2_usb/main_vusb.c | 62 | ||||
-rw-r--r-- | ps2_usb/ps2_usart.c | 325 | ||||
-rw-r--r-- | ps2_usb/sendchar_dummy.c | 8 | ||||
-rw-r--r-- | ps2_usb/sendchar_usart.c | 58 |
6 files changed, 4 insertions, 457 deletions
diff --git a/ps2_usb/Makefile b/ps2_usb/Makefile index 7b55e02019..605962915f 100755 --- a/ps2_usb/Makefile +++ b/ps2_usb/Makefile @@ -10,7 +10,7 @@ TARGET_DIR = . # keyboard dependent files TARGET_SRC = main_pjrc.c \ keymap.c \ - matrix.c \ + matrix.c \ led.c \ ps2.c diff --git a/ps2_usb/Makefile.vusb b/ps2_usb/Makefile.vusb index 7b69dc27b5..6e49fc44dd 100644 --- a/ps2_usb/Makefile.vusb +++ b/ps2_usb/Makefile.vusb @@ -12,13 +12,13 @@ TARGET_SRC = main_vusb.c \ keymap.c \ matrix.c \ led.c \ - ps2_usart.c \ - sendchar_dummy.c -# sendchar_usart.c + ps2_usart.c CONFIG_H = config_vusb.h +# V-USB debug level: To use ps2_usart.c level must be 0 +# ps2_usart.c requires USART to receive PS/2 signal. OPT_DEFS = -DDEBUG_LEVEL=0 diff --git a/ps2_usb/main_vusb.c b/ps2_usb/main_vusb.c deleted file mode 100644 index ec7c5797a1..0000000000 --- a/ps2_usb/main_vusb.c +++ /dev/null @@ -1,62 +0,0 @@ -/* PS/2 to USB keyboard converter - * 2011/02/20 - * Copyright (c) 2011 tmk - */ -/* Name: main.c - * Project: hid-mouse, a very simple HID example - * Author: Christian Starkjohann - * Creation Date: 2008-04-07 - * Tabsize: 4 - * Copyright: (c) 2008 by OBJECTIVE DEVELOPMENT Software GmbH - * License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt) - * This Revision: $Id: main.c 790 2010-05-30 21:00:26Z cs $ - */ -#include <stdint.h> -#include <avr/wdt.h> -#include <avr/interrupt.h> -#include <util/delay.h> -#include "usbdrv.h" -#include "oddebug.h" -#include "host_vusb.h" -#include "keyboard.h" - - -#if 0 -#define DEBUGP_INIT() do { DDRC = 0xFF; } while (0) -#define DEBUGP(x) do { PORTC = x; } while (0) -#else -#define DEBUGP_INIT() -#define DEBUGP(x) -#endif - - -int main(void) -{ - DEBUGP_INIT(); - wdt_enable(WDTO_1S); - odDebugInit(); - usbInit(); - - /* enforce re-enumeration, do this while interrupts are disabled! */ - usbDeviceDisconnect(); - uint8_t i = 0; - /* fake USB disconnect for > 250 ms */ - while(--i){ - wdt_reset(); - _delay_ms(1); - } - usbDeviceConnect(); - - keyboard_init(); - - sei(); - while (1) { - DEBUGP(0x1); - wdt_reset(); - usbPoll(); - DEBUGP(0x2); - keyboard_proc(); - DEBUGP(0x3); - host_vusb_keyboard_send(); - } -} diff --git a/ps2_usb/ps2_usart.c b/ps2_usb/ps2_usart.c deleted file mode 100644 index e45b94c93b..0000000000 --- a/ps2_usb/ps2_usart.c +++ /dev/null @@ -1,325 +0,0 @@ -/* -Copyright (c) 2010,2011 Jun WAKO <wakojun@gmail.com> - -This software is licensed with a Modified BSD License. -All of this is supposed to be Free Software, Open Source, DFSG-free, -GPL-compatible, and OK to use in both free and proprietary applications. -Additions and corrections to this file are welcome. - - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions are met: - -* Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - -* Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in - the documentation and/or other materials provided with the - distribution. - -* Neither the name of the copyright holders nor the names of - contributors may be used to endorse or promote products derived - from this software without specific prior written permission. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -*/ -/* -Primitive PS/2 Library for AVR -============================== -Host side is only supported now. -Synchronous USART is used to receive data by hardware process -rather than interrupt. During V-USB interrupt runs, CLOCK interrupt -cannot interpose. In the result it is prone to lost CLOCK edge. - - -I/O control ------------ -High state is asserted by internal pull-up. -If you have a signaling problem, you may need to have -external pull-up resisters on CLOCK and DATA line. - - -PS/2 References ---------------- -http://www.computer-engineering.org/ps2protocol/ -http://www.mcamafia.de/pdf/ibm_hitrc07.pdf -*/ -#include <stdbool.h> -#include <avr/io.h> -#include <avr/interrupt.h> -#include <util/delay.h> -#include "ps2.h" -#include "debug.h" - - -#if 0 -#define DEBUGP_INIT() do { DDRC = 0xFF; } while (0) -#define DEBUGP(x) do { PORTC = x; } while (0) -#else -#define DEBUGP_INIT() -#define DEBUGP(x) -#endif - -#define WAIT(stat, us, err) do { \ - if (!wait_##stat(us)) { \ - ps2_error = err; \ - goto ERROR; \ - } \ -} while (0) - - -uint8_t ps2_error = PS2_ERR_NONE; - - -static inline void clock_lo(void); -static inline void clock_hi(void); -static inline bool clock_in(void); -static inline void data_lo(void); -static inline void data_hi(void); -static inline bool data_in(void); -static inline uint16_t wait_clock_lo(uint16_t us); -static inline uint16_t wait_clock_hi(uint16_t us); -static inline uint16_t wait_data_lo(uint16_t us); -static inline uint16_t wait_data_hi(uint16_t us); -static inline void idle(void); -static inline void inhibit(void); -#if defined PS2_USE_INT || defined PS2_USE_USART -static inline uint8_t pbuf_dequeue(void); -static inline void pbuf_enqueue(uint8_t data); -#endif - - -void ps2_host_init(void) -{ - DEBUGP_INIT(); - DEBUGP(0x1); - idle(); - PS2_USART_INIT(); - PS2_USART_RX_INT_ON(); -} - -uint8_t ps2_host_send(uint8_t data) -{ - uint8_t res = 0; - bool parity = true; - ps2_error = PS2_ERR_NONE; - - DEBUGP(0x6); - PS2_USART_OFF(); - - /* terminate a transmission if we have */ - inhibit(); - _delay_us(100); - - /* start bit [1] */ - data_lo(); - clock_hi(); - WAIT(clock_lo, 15000, 1); - /* data [2-9] */ - for (uint8_t i = 0; i < 8; i++) { - _delay_us(15); - if (data&(1<<i)) { - parity = !parity; - data_hi(); - } else { - data_lo(); - } - WAIT(clock_hi, 50, 2); - WAIT(clock_lo, 50, 3); - } - /* parity [10] */ - _delay_us(15); - if (parity) { data_hi(); } else { data_lo(); } - WAIT(clock_hi, 50, 4); - WAIT(clock_lo, 50, 5); - /* stop bit [11] */ - _delay_us(15); - data_hi(); - /* ack [12] */ - WAIT(data_lo, 50, 6); - WAIT(clock_lo, 50, 7); - - /* wait for idle state */ - WAIT(clock_hi, 50, 8); - WAIT(data_hi, 50, 9); - - res = ps2_host_recv_response(); -ERROR: - idle(); - PS2_USART_INIT(); - PS2_USART_RX_INT_ON(); - return res; -} - -// Do polling data from keyboard to get response to last command. -uint8_t ps2_host_recv_response(void) -{ - uint8_t data = 0; - PS2_USART_INIT(); - PS2_USART_RX_POLL_ON(); - while (!PS2_USART_RX_READY) - ; - data = PS2_USART_RX_DATA; - PS2_USART_OFF(); - DEBUGP(0x9); - return data; -} - -uint8_t ps2_host_recv(void) -{ - return pbuf_dequeue(); -} - -ISR(PS2_USART_RX_VECT) -{ - DEBUGP(0x7); - uint8_t error = PS2_USART_ERROR; - uint8_t data = PS2_USART_RX_DATA; - if (error) { - DEBUGP(error>>2); - } else { - pbuf_enqueue(data); - } - DEBUGP(0x8); -} - -/* send LED state to keyboard */ -void ps2_host_set_led(uint8_t led) -{ - // send 0xED then keyboard keeps waiting for next LED data - // and keyboard does not send any scan codes during waiting. - // If fail to send LED data keyboard looks like being freezed. - uint8_t retry = 3; - while (retry-- && ps2_host_send(PS2_SET_LED) != PS2_ACK) - ; - retry = 3; - while (retry-- && ps2_host_send(led) != PS2_ACK) - ; -} - - -/*-------------------------------------------------------------------- - * static functions - *------------------------------------------------------------------*/ -static inline void clock_lo() -{ - PS2_CLOCK_PORT &= ~(1<<PS2_CLOCK_BIT); - PS2_CLOCK_DDR |= (1<<PS2_CLOCK_BIT); -} -static inline void clock_hi() -{ - /* input with pull up */ - PS2_CLOCK_DDR &= ~(1<<PS2_CLOCK_BIT); - PS2_CLOCK_PORT |= (1<<PS2_CLOCK_BIT); -} -static inline bool clock_in() -{ - PS2_CLOCK_DDR &= ~(1<<PS2_CLOCK_BIT); - PS2_CLOCK_PORT |= (1<<PS2_CLOCK_BIT); - _delay_us(1); - return PS2_CLOCK_PIN&(1<<PS2_CLOCK_BIT); -} -static inline void data_lo() -{ - PS2_DATA_PORT &= ~(1<<PS2_DATA_BIT); - PS2_DATA_DDR |= (1<<PS2_DATA_BIT); -} -static inline void data_hi() -{ - /* input with pull up */ - PS2_DATA_DDR &= ~(1<<PS2_DATA_BIT); - PS2_DATA_PORT |= (1<<PS2_DATA_BIT); -} -static inline bool data_in() -{ - PS2_DATA_DDR &= ~(1<<PS2_DATA_BIT); - PS2_DATA_PORT |= (1<<PS2_DATA_BIT); - _delay_us(1); - return PS2_DATA_PIN&(1<<PS2_DATA_BIT); -} - -static inline uint16_t wait_clock_lo(uint16_t us) -{ - while (clock_in() && us) { asm(""); _delay_us(1); us--; } - return us; -} -static inline uint16_t wait_clock_hi(uint16_t us) -{ - while (!clock_in() && us) { asm(""); _delay_us(1); us--; } - return us; -} -static inline uint16_t wait_data_lo(uint16_t us) -{ - while (data_in() && us) { asm(""); _delay_us(1); us--; } - return us; -} -static inline uint16_t wait_data_hi(uint16_t us) -{ - while (!data_in() && us) { asm(""); _delay_us(1); us--; } - return us; -} - -/* idle state that device can send */ -static inline void idle(void) -{ - clock_hi(); - data_hi(); -} - -/* inhibit device to send */ -static inline void inhibit(void) -{ - clock_lo(); - data_hi(); -} - - -/*-------------------------------------------------------------------- - * Ring buffer to store scan codes from keyboard - *------------------------------------------------------------------*/ -#define PBUF_SIZE 8 -static uint8_t pbuf[PBUF_SIZE]; -static uint8_t pbuf_head = 0; -static uint8_t pbuf_tail = 0; -static inline void pbuf_enqueue(uint8_t data) -{ - if (!data) - return; - - uint8_t sreg = SREG; - cli(); - uint8_t next = (pbuf_head + 1) % PBUF_SIZE; - if (next != pbuf_tail) { - pbuf[pbuf_head] = data; - pbuf_head = next; - } else { - debug("pbuf: full\n"); - } - SREG = sreg; -} - -static inline uint8_t pbuf_dequeue(void) -{ - uint8_t val = 0; - - uint8_t sreg = SREG; - cli(); - if (pbuf_head != pbuf_tail) { - val = pbuf[pbuf_tail]; - pbuf_tail = (pbuf_tail + 1) % PBUF_SIZE; - } - SREG = sreg; - - return val; -} diff --git a/ps2_usb/sendchar_dummy.c b/ps2_usb/sendchar_dummy.c deleted file mode 100644 index 8c9e583f12..0000000000 --- a/ps2_usb/sendchar_dummy.c +++ /dev/null @@ -1,8 +0,0 @@ -#include <stdint.h> -#include "sendchar.h" - - -int8_t sendchar(uint8_t c) -{ - return 1; -} diff --git a/ps2_usb/sendchar_usart.c b/ps2_usb/sendchar_usart.c deleted file mode 100644 index fe18177a3c..0000000000 --- a/ps2_usb/sendchar_usart.c +++ /dev/null @@ -1,58 +0,0 @@ -#include <stdint.h> -#include "oddebug.h" -#include "sendchar.h" - - -/* from oddebug.h */ -#if defined UBRR -# define ODDBG_UBRR UBRR -#elif defined UBRRL -# define ODDBG_UBRR UBRRL -#elif defined UBRR0 -# define ODDBG_UBRR UBRR0 -#elif defined UBRR0L -# define ODDBG_UBRR UBRR0L -#endif - -#if defined UCR -# define ODDBG_UCR UCR -#elif defined UCSRB -# define ODDBG_UCR UCSRB -#elif defined UCSR0B -# define ODDBG_UCR UCSR0B -#endif - -#if defined TXEN -# define ODDBG_TXEN TXEN -#else -# define ODDBG_TXEN TXEN0 -#endif - -#if defined USR -# define ODDBG_USR USR -#elif defined UCSRA -# define ODDBG_USR UCSRA -#elif defined UCSR0A -# define ODDBG_USR UCSR0A -#endif - -#if defined UDRE -# define ODDBG_UDRE UDRE -#else -# define ODDBG_UDRE UDRE0 -#endif - -#if defined UDR -# define ODDBG_UDR UDR -#elif defined UDR0 -# define ODDBG_UDR UDR0 -#endif - - -/* from oddebug.c */ -int8_t sendchar(uint8_t c) -{ - while(!(ODDBG_USR & (1 << ODDBG_UDRE))); /* wait for data register empty */ - ODDBG_UDR = c; - return 1; -} |