Added USART implementation for PS/2 signal handling.

1 files changed, 91 insertions, 0 deletions

diff --git a/ps2_usb/config_pjrc_usart.h b/ps2_usb/config_pjrc_usart.h
new file mode 100644
index 0000000000..23b0c79106
--- /dev/null
+++ b/ps2_usb/config_pjrc_usart.h
@@ -0,0 +1,91 @@
+/*
+Copyright 2012 Jun Wako <wakojun@gmail.com>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef CONFIG_H
+#define CONFIG_H
+
+/* controller configuration */
+#include "controller_teensy.h"
+
+#define VENDOR_ID       0xFEED
+#define PRODUCT_ID      0x6513
+#define MANUFACTURER    t.m.k.
+#define PRODUCT         PS/2 keyboard converter(USART)
+#define DESCRIPTION     convert PS/2 keyboard to USB
+
+
+/* matrix size */
+#define MATRIX_ROWS 32  // keycode bit: 3-0
+#define MATRIX_COLS 8   // keycode bit: 6-4
+
+
+/* key combination for command */
+#define IS_COMMAND() ( \
+    keyboard_report->mods == (MOD_BIT(KB_LSHIFT) | MOD_BIT(KB_RSHIFT)) || \
+    keyboard_report->mods == (MOD_BIT(KB_LCTRL) | MOD_BIT(KB_RSHIFT)) \
+)
+
+
+/* mouse keys */
+#ifdef MOUSEKEY_ENABLE
+#   define MOUSEKEY_DELAY_TIME 255
+#endif
+
+
+/* PS/2 lines */
+#define PS2_CLOCK_PORT  PORTF
+#define PS2_CLOCK_PIN   PINF
+#define PS2_CLOCK_DDR   DDRF
+#define PS2_CLOCK_BIT   5
+#define PS2_DATA_PORT   PORTF
+#define PS2_DATA_PIN    PINF
+#define PS2_DATA_DDR    DDRF
+#define PS2_DATA_BIT    2
+
+
+// synchronous, odd parity, 1-bit stop, 8-bit data, sample at falling edge
+// set DDR of CLOCK as input to be slave
+#define PS2_USART_INIT() do {   \
+    PS2_CLOCK_DDR &= ~(1<<PS2_CLOCK_BIT);   \
+    PS2_DATA_DDR &= ~(1<<PS2_DATA_BIT);     \
+    UCSR1C = ((1 << UMSEL10) |  \
+              (3 << UPM10)   |  \
+              (0 << USBS1)   |  \
+              (3 << UCSZ10)  |  \
+              (0 << UCPOL1));   \
+    UCSR1A = 0;                 \
+    UBRR1H = 0;                 \
+    UBRR1L = 0;                 \
+} while (0)
+#define PS2_USART_RX_INT_ON() do {  \
+    UCSR1B = ((1 << RXCIE1) |       \
+              (1 << RXEN1));        \
+} while (0)
+#define PS2_USART_RX_POLL_ON() do { \
+    UCSR1B = (1 << RXEN1);          \
+} while (0)
+#define PS2_USART_OFF() do {    \
+    UCSR1C = 0;                 \
+    UCSR1B &= ~((1 << RXEN1) |  \
+                (1 << TXEN1));  \
+} while (0)
+#define PS2_USART_RX_READY      (UCSR1A & (1<<RXC1))
+#define PS2_USART_RX_DATA       UDR1
+#define PS2_USART_ERROR         (UCSR1A & ((1<<FE1) | (1<<DOR1) | (1<<UPE1)))
+#define PS2_USART_RX_VECT       USART1_RX_vect
+
+#endif