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Merge branch 'pc98_fix' into overlays

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This commit is contained in:
tmk 2013-02-25 15:29:47 +09:00
commit 000f3c4c54
9 changed files with 396 additions and 246 deletions
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4
converter/pc98_usb/Makefile
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@ -11,8 +11,8 @@ TARGET_DIR = .
SRC = keymap.c \ SRC = keymap.c \
matrix.c \ matrix.c \
led.c \ led.c \
command_extra.c \ protocol/serial_uart.c
protocol/serial_soft.c # protocol/serial_soft.c
CONFIG_H = config.h CONFIG_H = config.h

5
converter/pc98_usb/README
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@ -60,6 +60,11 @@ http://davy.nyacom.net/kbd98usb/
PC98 to PS/2 PC98 to PS/2
http://www.tsp.ne.jp/~sawada/mago/c_gka98at.htm http://www.tsp.ne.jp/~sawada/mago/c_gka98at.htm
http://www.tsp.ne.jp/~sawada/mago/src/gka98at.asm
PC98 keyboard commands PC98 keyboard commands
http://www.webtech.co.jp/company/doc/undocumented_mem/io_kb.txt http://www.webtech.co.jp/company/doc/undocumented_mem/io_kb.txt
Inhibit repeating key:
0x9C, 0x70

43
converter/pc98_usb/command_extra.c
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@ -1,43 +0,0 @@
#include "stdbool.h"
#include "stdint.h"
#include "keycode.h"
#include "serial.h"
#include "print.h"
#include "command.h"
bool command_extra(uint8_t code)
{
switch (code) {
case KC_H:
case KC_SLASH: /* ? */
print("\n\n----- Sun converter Help -----\n");
print("UP: Bell On\n");
print("DOWN: Bell Off\n");
print("LEFT: Click On\n");
print("RIGHT: Click Off\n");
return false;
case KC_UP:
print("Bell On\n");
serial_send(0x02);
break;
case KC_DOWN:
print("Bell Off\n");
serial_send(0x03);
break;
case KC_LEFT:
print("Click On\n");
serial_send(0x0A);
break;
case KC_RIGHT:
print("Click Off\n");
serial_send(0x0B);
break;
case KC_NUMLOCK:
print("layout\n");
serial_send(0x0F);
break;
default:
return false;
}
return true;
}

98
converter/pc98_usb/config.h
View File

@ -30,27 +30,19 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#define MATRIX_ROWS 16 #define MATRIX_ROWS 16
#define MATRIX_COLS 8 #define MATRIX_COLS 8
/* To use new keymap framework */
#define USE_KEYMAP_V2
/* key combination for command */ /* key combination for command */
#define IS_COMMAND() ( \ #define IS_COMMAND() ( \
keyboard_report->mods == (MOD_BIT(KC_LALT) | MOD_BIT(KC_RALT)) || \ host_get_first_key() == KC_CANCEL \
keyboard_report->mods == (MOD_BIT(KC_LGUI) | MOD_BIT(KC_RGUI)) || \
keyboard_report->mods == (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT)) \
) )
/* PC98 Serial(USART) configuration /* PC98 Reset Port shared with TXD */
* asynchronous, positive logic, 19200baud, bit order: LSB first
* 1-start bit, 8-data bit, odd parity, 1-stop bit
*/
#define SERIAL_BAUD 19200
#define SERIAL_PARITY_ODD
#define SERIAL_BIT_ORDER_LSB
/* PC98 Reset Port */
#define PC98_RST_DDR DDRD #define PC98_RST_DDR DDRD
#define PC98_RST_PORT PORTD #define PC98_RST_PORT PORTD
#define PC98_RST_BIT 1 #define PC98_RST_BIT 3
/* PC98 Ready Port */ /* PC98 Ready Port */
#define PC98_RDY_DDR DDRD #define PC98_RDY_DDR DDRD
#define PC98_RDY_PORT PORTD #define PC98_RDY_PORT PORTD
@ -60,41 +52,75 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#define PC98_RTY_PORT PORTD #define PC98_RTY_PORT PORTD
#define PC98_RTY_BIT 5 #define PC98_RTY_BIT 5
/*
* PC98 Serial(USART) configuration
* asynchronous, positive logic, 19200baud, bit order: LSB first
* 1-start bit, 8-data bit, odd parity, 1-stop bit
*/
/*
* Software Serial
*/
#define SERIAL_SOFT_BAUD 19200
#define SERIAL_SOFT_PARITY_ODD
#define SERIAL_SOFT_BIT_ORDER_LSB
#define SERIAL_SOFT_LOGIC_POSITIVE
/* RXD Port */ /* RXD Port */
#define SERIAL_RXD_DDR DDRD #define SERIAL_SOFT_RXD_DDR DDRD
#define SERIAL_RXD_PORT PORTD #define SERIAL_SOFT_RXD_PORT PORTD
#define SERIAL_RXD_PIN PIND #define SERIAL_SOFT_RXD_PIN PIND
#define SERIAL_RXD_BIT 2 #define SERIAL_SOFT_RXD_BIT 2
#define SERIAL_RXD_READ() (SERIAL_RXD_PIN&(1<<SERIAL_RXD_BIT)) #define SERIAL_SOFT_RXD_READ() (SERIAL_SOFT_RXD_PIN&(1<<SERIAL_SOFT_RXD_BIT))
/* RXD Interupt */ /* RXD Interupt */
#define SERIAL_RXD_VECT INT2_vect #define SERIAL_SOFT_RXD_VECT INT2_vect
#define SERIAL_RXD_INIT() do { \ #define SERIAL_SOFT_RXD_INIT() do { \
/* pin configuration: input with pull-up */ \ /* pin configuration: input with pull-up */ \
SERIAL_RXD_DDR &= ~(1<<SERIAL_RXD_BIT); \ SERIAL_SOFT_RXD_DDR &= ~(1<<SERIAL_SOFT_RXD_BIT); \
SERIAL_RXD_PORT |= (1<<SERIAL_RXD_BIT); \ SERIAL_SOFT_RXD_PORT |= (1<<SERIAL_SOFT_RXD_BIT); \
/* enable interrupt: INT2(falling edge) */ \ /* enable interrupt: INT2(falling edge) */ \
EICRA |= ((1<<ISC21)|(0<<ISC20)); \ EICRA |= ((1<<ISC21)|(0<<ISC20)); \
EIMSK |= (1<<INT2); \ EIMSK |= (1<<INT2); \
sei(); \
} while (0) } while (0)
#define SERIAL_RXD_INT_ENTER() #define SERIAL_SOFT_RXD_INT_ENTER()
#define SERIAL_RXD_INT_EXIT() do { \ #define SERIAL_SOFT_RXD_INT_EXIT() do { \
/* clear interrupt flag */ \ /* clear interrupt flag */ \
EIFR = (1<<INTF2); \ EIFR = (1<<INTF2); \
} while (0) } while (0)
/* TXD Port */
/* TXD Port: Not used */ #define SERIAL_SOFT_TXD_DDR DDRD
#define SERIAL_TXD_DDR DDRD #define SERIAL_SOFT_TXD_PORT PORTD
#define SERIAL_TXD_PORT PORTD #define SERIAL_SOFT_TXD_PIN PIND
#define SERIAL_TXD_PIN PIND #define SERIAL_SOFT_TXD_BIT 3
#define SERIAL_TXD_BIT 3 #define SERIAL_SOFT_TXD_HI() do { SERIAL_SOFT_TXD_PORT |= (1<<SERIAL_SOFT_TXD_BIT); } while (0)
/* negative logic */ #define SERIAL_SOFT_TXD_LO() do { SERIAL_SOFT_TXD_PORT &= ~(1<<SERIAL_SOFT_TXD_BIT); } while (0)
#define SERIAL_TXD_ON() do { SERIAL_TXD_PORT &= ~(1<<SERIAL_TXD_BIT); } while (0) #define SERIAL_SOFT_TXD_INIT() do { \
#define SERIAL_TXD_OFF() do { SERIAL_TXD_PORT |= (1<<SERIAL_TXD_BIT); } while (0)
#define SERIAL_TXD_INIT() do { \
/* pin configuration: output */ \ /* pin configuration: output */ \
SERIAL_TXD_DDR |= (1<<SERIAL_TXD_BIT); \ SERIAL_SOFT_TXD_DDR |= (1<<SERIAL_SOFT_TXD_BIT); \
/* idle */ \ /* idle */ \
SERIAL_TXD_ON(); \ SERIAL_SOFT_TXD_ON(); \
} while (0) } while (0)
/*
* Hardware Serial(UART)
*/
#ifdef __AVR_ATmega32U4__
#define SERIAL_UART_BAUD 19200
#define SERIAL_UART_DATA UDR1
#define SERIAL_UART_UBRR ((F_CPU/(16UL*SERIAL_UART_BAUD))-1)
#define SERIAL_UART_RXD_VECT USART1_RX_vect
#define SERIAL_UART_TXD_READY (UCSR1A&(1<<UDRE1))
#define SERIAL_UART_INIT() do { \
UBRR1L = (uint8_t) SERIAL_UART_UBRR; /* baud rate */ \
UBRR1H = (uint8_t) (SERIAL_UART_UBRR>>8); /* baud rate */ \
UCSR1B |= (1<<RXCIE1) | (1<<RXEN1); /* RX interrupt, RX: enable */ \
UCSR1B |= (0<<TXCIE1) | (1<<TXEN1); /* TX interrupt, TX: enable */ \
UCSR1C |= (1<<UPM11) | (1<<UPM10); /* parity: none(00), even(01), odd(11) */ \
sei(); \
} while(0)
#else
#error "USART configuration is needed."
#endif
#endif #endif

155
converter/pc98_usb/keymap.c
View File

@ -19,6 +19,9 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#include <stdbool.h> #include <stdbool.h>
#include <avr/pgmspace.h> #include <avr/pgmspace.h>
#include "keycode.h" #include "keycode.h"
#include "action.h"
#include "action_macro.h"
#include "layer_switch.h"
#include "util.h" #include "util.h"
#include "keymap.h" #include "keymap.h"
@ -33,7 +36,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
| 00| 01| 02| 03| 04| 05| 58| 71| 06| 07| 08| 09| 0A| 0E| | 00| 01| 02| 03| 04| 05| 58| 71| 06| 07| 08| 09| 0A| 0E|
|---------------------------------------------------------------| |---------------------------------------------------------------|
| 0F| 10| 11| 12| 13| 14| 3A | 15| 16| 17| 18| 19| 1C| | 0F| 10| 11| 12| 13| 14| 3A | 15| 16| 17| 18| 19| 1C|
|---------------------------------------------------------------| |---------------------------------------------------------'. |
| 74| 20| 21| 22| 23| 24| 3B | 3C | 25| 26| 27| 28| 29| | | 74| 20| 21| 22| 23| 24| 3B | 3C | 25| 26| 27| 28| 29| |
|---------------------------------------------------------------| |---------------------------------------------------------------|
| 70| 2A| 2B| 2C| 2D| 2E| 38| 3D | 39| 2F| 30| 31| 32| 33| 70| | 70| 2A| 2B| 2C| 2D| 2E| 38| 3D | 39| 2F| 30| 31| 32| 33| 70|
@ -70,33 +73,6 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
// Assign Fn key(0-7) to a layer to which switch with the Fn key pressed.
static const uint8_t PROGMEM fn_layer[] = {
2, // Fn0
3, // Fn1
4, // Fn2
0, // Fn3
0, // Fn4
0, // Fn5
0, // Fn6
0 // Fn7
};
// Assign Fn key(0-7) to a keycode sent when release Fn key without use of the layer.
// See layer.c for details.
static const uint8_t PROGMEM fn_keycode[] = {
KC_NO, // Fn0
KC_SCLN, // Fn1
KC_SLSH, // Fn2
KC_NO, // Fn3
KC_NO, // Fn4
KC_NO, // Fn5
KC_NO, // Fn6
KC_NO // Fn7
};
static const uint8_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = { static const uint8_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
/* /*
,---------------------------------------------------------------. ,---------------------------------------------------------------.
@ -115,73 +91,80 @@ static const uint8_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
`-----------------------------------------------' `-----------------------------------------------'
*/ */
KEYMAP( KEYMAP(
PAUS,COPY, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, F13, F14, CANCEL,COPY, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, F13, F14,
ESC, 1, 2, 3, 4, 5, NO, NO, 6, 7, 8, 9, 0, BSPC, ESC, 1, 2, 3, 4, 5, NO, NO, 6, 7, 8, 9, 0, BSPC,
TAB, Q, W, E, R, T, UP, Y, U, I, O, P, ENT, TAB, Q, W, E, R, T, UP, Y, U, I, O, P, ENT,
LCTL, A, S, D, F, G, MINS, EQL, H, J, K, L,SCLN, LCTL, A, S, D, F, G, MINS, EQL, H, J, K, L, FN2,
LSFT, Z, X, C, V, B, INS, DOWN, DEL, N, M,COMM, DOT,SLSH, LSFT, Z, X, C, V, B, INS, DOWN, DEL, N, M,COMM, DOT, FN1,
LGUI, LALT, LCTL, LSFT, SPC, SPC, RALT
),
KEYMAP(
PAUS,COPY, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, F13, F14,
GRV, F1, F2, F3, F4, F5, NO, NO, F6, F7, F8, F9, F10, DEL,
TAB, Q, W, E, R, T, UP, HOME,PGDN,PGUP, END, P, ENT,
LCTL, A, S, D, F, G, MINS, EQL, LEFT,DOWN, UP,RGHT,SCLN,
LSFT, Z, X, C, V, B, INS, DOWN, DEL,HOME,PGDN,PGUP, END,TRNS,
LGUI, LALT, LCTL, LSFT, SPC, SPC, RALT
),
KEYMAP(
PAUS,COPY, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, F13, F14,
GRV, F1, F2, F3, F4, F5, NO, NO, F6, F7, F8, F9, F10, DEL,
TAB, Q, W, E, R, T, UP, WH_L,WH_D,WH_U,WH_R, P, ENT,
LCTL, A, S, D, F, G, MINS, EQL, MS_L,MS_D,MS_U,MS_R,TRNS,
LSFT, Z, X, C, V, B, INS, DOWN, BTN3,BTN2,BTN1,BTN4,BTN5,TRNS,
LGUI, LALT, LCTL, LSFT, SPC, SPC, RALT LGUI, LALT, LCTL, LSFT, SPC, SPC, RALT
), ),
}; };
static const uint8_t PROGMEM overlays[][MATRIX_ROWS][MATRIX_COLS] = {};
uint8_t keymap_get_keycode(uint8_t layer, uint8_t row, uint8_t col) static const uint16_t PROGMEM fn_actions[] = {
{ ACTION_KEYMAP_TAP_TOGGLE(0), // FN0
return pgm_read_byte(&keymaps[(layer)][(row)][(col)]); ACTION_KEYMAP_TAP_KEY(1, KC_SLASH), // FN1
} ACTION_KEYMAP_TAP_KEY(2, KC_SCLN), // FN2
ACTION_KEYMAP(2), // FN3
uint8_t keymap_fn_layer(uint8_t index) };
{
return pgm_read_byte(&fn_layer[index]);
}
uint8_t keymap_fn_keycode(uint8_t index)
{
return pgm_read_byte(&fn_keycode[index]);
}
#if 0
/* PC-9801-98-S02 Raku Raku keyboard(Luckyboard) M-siki mode /*
,---------------------------------------------------------------. * No need to edit.
| 60| 61| 62| 63| 64| 65| 66| 67| 68| 69| 6A| 6B| 36| 37| 3F| 3E|
`---------------------------------------------------------------'
,---------------------------------------------------------------.
| 00| 01| 02| 03| 04| 05| NUM|CAPS| 06| 07| 08| 09| 0A| 0E|
|---------------------------------------------------------------|
| 0F| 10| 25| 20| 23| 2B| 3A | 2F| 15| 13| 11| 19| 1C|
|---------------------------------------------------------------|
| 74| 12| 16| 17| 1D| 18| 3B | 3C | 24| 1E| 14| 2E| 22| |
|---------------------------------------------------------------|
| 70| xx| 2A| 2C| xx| xx| 38| 3D | 39| 21| 29| 1F| xx| 2D| 70|
`---------------------------------------------------------------'
| 73| 51| xx| xx| 34| xx| 35| xx|
`-----------------------------------------------'
*/ */
#define KEYMAPS_SIZE (sizeof(keymaps) / sizeof(keymaps[0]))
#define OVERLAYS_SIZE (sizeof(overlays) / sizeof(overlays[0]))
#define FN_ACTIONS_SIZE (sizeof(fn_actions) / sizeof(fn_actions[0]))
#define KEYMAP_M( \ /* translates key to keycode */
K60, K61, K62, K63, K64, K65, K66, K67, K68, K69, K6A, K6B, K36, K37, K3F, K3E, \ uint8_t keymap_key_to_keycode(uint8_t layer, key_t key)
K00, K01, K02, K03, K04, K05, K06, K07, K08, K09, K0A, K0E, \ {
K0F, K10, K25, K23, K20, K2B, K3A, K2F, K15, K13, K11, K19, K1C, \ /* Overlay: 16-31(OVERLAY_BIT(0x10) | overlay_layer) */
K74, K12, K16, K17, K1D, K18, K3B, K3C, K24, K1E, K14, K2E, K22, \ if (layer & OVERLAY_BIT) {
K70, K2A, K2C, K38, K3D, K39, K21, K29, K1F, K2D, \ layer &= OVERLAY_MASK;
K73, K51, K34, K35 \ if (layer < OVERLAYS_SIZE) {
) { \ return pgm_read_byte(&overlays[(layer)][(key.row)][(key.col)]);
{ KC_##K00, KC_##K01, KC_##K02, KC_##K03, KC_##K04, KC_##K05, KC_##K06, KC_##K07 }, \ } else {
{ KC_##K08, KC_##K09, KC_##K0A, KC_NO, KC_NO, KC_NO, KC_##K0E, KC_##K0F }, \ return KC_TRANSPARENT;
{ KC_##K10, KC_##K11, KC_##K12, KC_##K13, KC_##K14, KC_##K15, KC_##K16, KC_##K17 }, \ }
{ KC_##K18, KC_##K19, KC_NO, KC_NO, KC_##K1C, KC_##K1D, KC_##K1E, KC_##K1F }, \ }
{ KC_##K20, KC_##K21, KC_##K22, KC_##K23, KC_##K24, KC_##K25, KC_NO, KC_NO }, \ /* Keymap: 0-15 */
{ KC_NO, KC_##K29, KC_##K2A, KC_##K2B, KC_##K2C, KC_##K2D, KC_##K2E, KC_##K2F }, \ else {
{ KC_NO, KC_NO, KC_NO, KC_NO, KC_##K34, KC_##K35, KC_##K36, KC_##K37 }, \ if (layer < KEYMAPS_SIZE) {
{ KC_##K38, KC_##K39, KC_##K3A, KC_##K3B, KC_##K3C, KC_##K3D, KC_##K3E, KC_##K3F }, \ return pgm_read_byte(&keymaps[(layer)][(key.row)][(key.col)]);
{ KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO }, \ } else {
{ KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO }, \ // fall back to layer 0
{ KC_NO, KC_##K51, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO }, \ return pgm_read_byte(&keymaps[0][(key.row)][(key.col)]);
{ KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO }, \ }
{ KC_##K60, KC_##K61, KC_##K62, KC_##K63, KC_##K64, KC_##K65, KC_##K66, KC_##K67 }, \ }
{ KC_##K68, KC_##K69, KC_##K6A, KC_##K6B, KC_NO, KC_NO, KC_NO, KC_NO }, \ }
{ KC_##K70, KC_NO, KC_NO, KC_##K73, KC_##K74, KC_NO, KC_NO, KC_NO }, \
{ KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO } \ /* translates Fn keycode to action */
action_t keymap_fn_to_action(uint8_t keycode)
{
action_t action;
if (FN_INDEX(keycode) < FN_ACTIONS_SIZE) {
action.code = pgm_read_word(&fn_actions[FN_INDEX(keycode)]);
} else {
action.code = ACTION_NO;
}
return action;
} }
#endif

57
converter/pc98_usb/matrix.c
View File

@ -61,10 +61,40 @@ uint8_t matrix_cols(void)
return MATRIX_COLS; return MATRIX_COLS;
} }
static void pc98_inhibit_repeat(void)
{
uint8_t code;
while (serial_recv()) ;
RETRY:
PC98_RDY_PORT |= (1<<PC98_RDY_BIT);
_delay_ms(500);
serial_send(0x9C);
PC98_RDY_PORT &= ~(1<<PC98_RDY_BIT);
_delay_ms(100);
while (!(code = serial_recv())) ;
print("PC98: send 9C: "); print_hex8(code); print("\n");
if (code != 0xFA) goto RETRY;
PC98_RDY_PORT |= (1<<PC98_RDY_BIT);
_delay_ms(100);
serial_send(0x70);
PC98_RDY_PORT &= ~(1<<PC98_RDY_BIT);
_delay_ms(100);
//code = serial_recv();
while (!(code = serial_recv())) ;
print("PC98: send 70: "); print_hex8(code); print("\n");
if (code != 0xFA) goto RETRY;
}
void matrix_init(void) void matrix_init(void)
{ {
print_enable = true; print_enable = true;
debug_enable = true; // debug_enable = true;
// debug_matrix = true; // debug_matrix = true;
PC98_RST_DDR |= (1<<PC98_RST_BIT); PC98_RST_DDR |= (1<<PC98_RST_BIT);
@ -74,17 +104,21 @@ void matrix_init(void)
PC98_RDY_PORT |= (1<<PC98_RDY_BIT); PC98_RDY_PORT |= (1<<PC98_RDY_BIT);
PC98_RTY_PORT |= (1<<PC98_RTY_BIT); PC98_RTY_PORT |= (1<<PC98_RTY_BIT);
DDRD |= 1<<7;
serial_init(); serial_init();
// PC98 reset // PC98 reset
/*
PC98_RST_PORT &= ~(1<<PC98_RST_BIT); PC98_RST_PORT &= ~(1<<PC98_RST_BIT);
_delay_us(15); _delay_us(15);
PC98_RST_PORT |= (1<<PC98_RST_BIT); PC98_RST_PORT |= (1<<PC98_RST_BIT);
_delay_us(13); _delay_us(13);
PC98_RDY_PORT |= (1<<PC98_RDY_BIT); PC98_RDY_PORT &= ~(1<<PC98_RDY_BIT);
*/
_delay_ms(500);
pc98_inhibit_repeat();
// PC98 ready // PC98 ready
PC98_RDY_PORT &= ~(1<<PC98_RDY_BIT); PC98_RDY_PORT &= ~(1<<PC98_RDY_BIT);
@ -107,7 +141,20 @@ uint8_t matrix_scan(void)
PC98_RDY_PORT &= ~(1<<PC98_RDY_BIT); PC98_RDY_PORT &= ~(1<<PC98_RDY_BIT);
if (code == -1) return 0; if (code == -1) return 0;
debug_hex(code); debug(" "); if (code == 0x60) {
pc98_inhibit_repeat();
/*
PC98_RDY_PORT |= (1<<PC98_RDY_BIT);
_delay_ms(100);
serial_send(0x96);
PC98_RDY_PORT &= ~(1<<PC98_RDY_BIT);
*/
return 0;
}
print_hex8(code); print(" ");
if (code&0x80) { if (code&0x80) {
// break code // break code

54
converter/sun_usb/config.h
View File

@ -43,40 +43,46 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
* asynchronous, negative logic, 1200baud, no flow control * asynchronous, negative logic, 1200baud, no flow control
* 1-start bit, 8-data bit, non parity, 1-stop bit * 1-start bit, 8-data bit, non parity, 1-stop bit
*/ */
#define SERIAL_BAUD 1200 #define SERIAL_SOFT_BAUD 1200
#define SERIAL_SOFT_PARITY_NONE
#define SERIAL_RXD_DDR DDRD #define SERIAL_SOFT_BIT_ORDER_LSB
#define SERIAL_RXD_PORT PORTD #define SERIAL_SOFT_LOGIC_NEGATIVE
#define SERIAL_RXD_PIN PIND /* RXD Port */
#define SERIAL_RXD_BIT 2 #define SERIAL_SOFT_RXD_ENABLE
#define SERIAL_RXD_VECT INT2_vect #define SERIAL_SOFT_RXD_DDR DDRD
#define SERIAL_RXD_INIT() do { \ #define SERIAL_SOFT_RXD_PORT PORTD
#define SERIAL_SOFT_RXD_PIN PIND
#define SERIAL_SOFT_RXD_BIT 2
#define SERIAL_SOFT_RXD_VECT INT2_vect
/* RXD Interupt */
#define SERIAL_SOFT_RXD_INIT() do { \
/* pin configuration: input with pull-up */ \ /* pin configuration: input with pull-up */ \
SERIAL_RXD_DDR &= ~(1<<SERIAL_RXD_BIT); \ SERIAL_SOFT_RXD_DDR &= ~(1<<SERIAL_SOFT_RXD_BIT); \
SERIAL_RXD_PORT |= (1<<SERIAL_RXD_BIT); \ SERIAL_SOFT_RXD_PORT |= (1<<SERIAL_SOFT_RXD_BIT); \
/* enable interrupt: INT2(rising edge) */ \ /* enable interrupt: INT2(rising edge) */ \
EICRA |= ((1<<ISC21)|(1<<ISC20)); \ EICRA |= ((1<<ISC21)|(1<<ISC20)); \
EIMSK |= (1<<INT2); \ EIMSK |= (1<<INT2); \
sei(); \
} while (0) } while (0)
#define SERIAL_RXD_INT_ENTER() #define SERIAL_SOFT_RXD_INT_ENTER()
#define SERIAL_RXD_INT_EXIT() do { \ #define SERIAL_SOFT_RXD_INT_EXIT() do { \
/* clear interrupt flag */ \ /* clear interrupt flag */ \
EIFR = (1<<INTF2); \ EIFR = (1<<INTF2); \
} while (0) } while (0)
#define SERIAL_RXD_READ() (~SERIAL_RXD_PIN&(1<<SERIAL_RXD_BIT)) #define SERIAL_SOFT_RXD_READ() (SERIAL_SOFT_RXD_PIN&(1<<SERIAL_SOFT_RXD_BIT))
/* TXD Port */
#define SERIAL_TXD_DDR DDRD #define SERIAL_SOFT_TXD_ENABLE
#define SERIAL_TXD_PORT PORTD #define SERIAL_SOFT_TXD_DDR DDRD
#define SERIAL_TXD_PIN PIND #define SERIAL_SOFT_TXD_PORT PORTD
#define SERIAL_TXD_BIT 3 #define SERIAL_SOFT_TXD_PIN PIND
/* negative logic */ #define SERIAL_SOFT_TXD_BIT 3
#define SERIAL_TXD_ON() do { SERIAL_TXD_PORT &= ~(1<<SERIAL_TXD_BIT); } while (0) #define SERIAL_SOFT_TXD_HI() do { SERIAL_SOFT_TXD_PORT |= (1<<SERIAL_SOFT_TXD_BIT); } while (0)
#define SERIAL_TXD_OFF() do { SERIAL_TXD_PORT |= (1<<SERIAL_TXD_BIT); } while (0) #define SERIAL_SOFT_TXD_LO() do { SERIAL_SOFT_TXD_PORT &= ~(1<<SERIAL_SOFT_TXD_BIT); } while (0)
#define SERIAL_TXD_INIT() do { \ #define SERIAL_SOFT_TXD_INIT() do { \
/* pin configuration: output */ \ /* pin configuration: output */ \
SERIAL_TXD_DDR |= (1<<SERIAL_TXD_BIT); \ SERIAL_SOFT_TXD_DDR |= (1<<SERIAL_SOFT_TXD_BIT); \
/* idle */ \ /* idle */ \
SERIAL_TXD_ON(); \ SERIAL_SOFT_TXD_ON(); \
} while (0) } while (0)
#endif #endif

99
protocol/serial_soft.c
View File

@ -43,12 +43,32 @@ POSSIBILITY OF SUCH DAMAGE.
/* /*
* Stupid Inefficient Busy-wait Software Serial * Stupid Inefficient Busy-wait Software Serial
* is still useful for negative logic signal like Sun protocol not supported by hardware USART. * which is still useful for negative logic signal like Sun protocol
* if it is not supported by hardware UART.
*
* TODO: delay is not accurate enough. Instruction cycle should be counted and inline assemby is needed.
*/ */
#define WAIT_US (1000000/SERIAL_BAUD) #define WAIT_US (1000000L/SERIAL_SOFT_BAUD)
#ifdef SERIAL_SOFT_LOGIC_NEGATIVE
#define SERIAL_SOFT_RXD_IN() !(SERIAL_SOFT_RXD_READ())
#define SERIAL_SOFT_TXD_ON() SERIAL_SOFT_TXD_LO()
#define SERIAL_SOFT_TXD_OFF() SERIAL_SOFT_TXD_HI()
#else
#define SERIAL_SOFT_RXD_IN() !!(SERIAL_SOFT_RXD_READ())
#define SERIAL_SOFT_TXD_ON() SERIAL_SOFT_TXD_HI()
#define SERIAL_SOFT_TXD_OFF() SERIAL_SOFT_TXD_LO()
#endif
#ifdef SERIAL_SOFT_PARITY_EVEN
#define SERIAL_SOFT_PARITY_VAL 0
#elif defined(SERIAL_SOFT_PARITY_ODD)
#define SERIAL_SOFT_PARITY_VAL 1
#endif
/* debug for signal timing, see debug pin with oscilloscope */ /* debug for signal timing, see debug pin with oscilloscope */
#define SERIAL_SOFT_DEBUG
#ifdef SERIAL_SOFT_DEBUG #ifdef SERIAL_SOFT_DEBUG
#define SERIAL_SOFT_DEBUG_INIT() (DDRD |= 1<<7) #define SERIAL_SOFT_DEBUG_INIT() (DDRD |= 1<<7)
#define SERIAL_SOFT_DEBUG_TGL() (PORTD ^= 1<<7) #define SERIAL_SOFT_DEBUG_TGL() (PORTD ^= 1<<7)
@ -62,8 +82,8 @@ void serial_init(void)
{ {
SERIAL_SOFT_DEBUG_INIT(); SERIAL_SOFT_DEBUG_INIT();
SERIAL_RXD_INIT(); SERIAL_SOFT_RXD_INIT();
SERIAL_TXD_INIT(); SERIAL_SOFT_TXD_INIT();
} }
/* RX ring buffer */ /* RX ring buffer */
@ -100,85 +120,98 @@ int16_t serial_recv2(void)
void serial_send(uint8_t data) void serial_send(uint8_t data)
{ {
/* signal state: IDLE: ON, START: OFF, STOP: ON, DATA0: OFF, DATA1: ON */ /* signal state: IDLE: ON, START: OFF, STOP: ON, DATA0: OFF, DATA1: ON */
/* start bit */
SERIAL_TXD_OFF();
_delay_us(WAIT_US);
#ifdef SERIAL_BIT_ORDER_MSB #ifdef SERIAL_SOFT_BIT_ORDER_MSB
uint8_t mask = 0x80; uint8_t mask = 0x80;
#else #else
uint8_t mask = 0x01; uint8_t mask = 0x01;
#endif #endif
while (mask) {
if (data&mask) { SERIAL_TXD_ON(); } else { SERIAL_TXD_OFF(); } uint8_t parity = 0;
/* start bit */
SERIAL_SOFT_TXD_OFF();
_delay_us(WAIT_US); _delay_us(WAIT_US);
#ifdef SERIAL_BIT_ORDER_MSB while (mask) {
if (data&mask) {
SERIAL_SOFT_TXD_ON();
parity ^= 1;
} else {
SERIAL_SOFT_TXD_OFF();
}
_delay_us(WAIT_US);
#ifdef SERIAL_SOFT_BIT_ORDER_MSB
mask >>= 1; mask >>= 1;
#else #else
mask <<= 1; mask <<= 1;
#endif #endif
} }
#if defined(SERIAL_SOFT_PARITY_EVEN) || defined(SERIAL_SOFT_PARITY_ODD)
/* to center of parity bit */
if (parity != SERIAL_SOFT_PARITY_VAL) {
SERIAL_SOFT_TXD_ON();
} else {
SERIAL_SOFT_TXD_OFF();
}
_delay_us(WAIT_US);
#endif
/* stop bit */ /* stop bit */
SERIAL_TXD_ON(); SERIAL_SOFT_TXD_ON();
_delay_us(WAIT_US); _delay_us(WAIT_US);
} }
/* detect edge of start bit */ /* detect edge of start bit */
ISR(SERIAL_RXD_VECT) ISR(SERIAL_SOFT_RXD_VECT)
{ {
SERIAL_SOFT_DEBUG_TGL() SERIAL_SOFT_DEBUG_TGL();
SERIAL_RXD_INT_ENTER() SERIAL_SOFT_RXD_INT_ENTER()
uint8_t data = 0; uint8_t data = 0;
#ifdef SERIAL_BIT_ORDER_MSB #ifdef SERIAL_SOFT_BIT_ORDER_MSB
uint8_t mask = 0x80; uint8_t mask = 0x80;
#else #else
uint8_t mask = 0x01; uint8_t mask = 0x01;
#endif #endif
#ifdef SERIAL_PARITY_ODD
uint8_t parity = 0; uint8_t parity = 0;
#elif defined(SERIAL_PARITY_EVEN)
uint8_t parity = 1;
#endif
/* to center of start bit */ /* to center of start bit */
_delay_us(WAIT_US/2); _delay_us(WAIT_US/2);
SERIAL_SOFT_DEBUG_TGL() SERIAL_SOFT_DEBUG_TGL();
do { do {
/* to center of next bit */ /* to center of next bit */
_delay_us(WAIT_US); _delay_us(WAIT_US);
SERIAL_SOFT_DEBUG_TGL() SERIAL_SOFT_DEBUG_TGL();
if (SERIAL_RXD_READ()) { if (SERIAL_SOFT_RXD_IN()) {
data |= mask; data |= mask;
#if defined(SERIAL_PARITY_EVEN) || defined(SERIAL_PARITY_ODD)
parity ^= 1; parity ^= 1;
#endif
} }
#ifdef SERIAL_BIT_ORDER_MSB #ifdef SERIAL_SOFT_BIT_ORDER_MSB
mask >>= 1; mask >>= 1;
#else #else
mask <<= 1; mask <<= 1;
#endif #endif
} while (mask); } while (mask);
#if defined(SERIAL_PARITY_EVEN) || defined(SERIAL_PARITY_ODD) #if defined(SERIAL_SOFT_PARITY_EVEN) || defined(SERIAL_SOFT_PARITY_ODD)
/* to center of parity bit */ /* to center of parity bit */
_delay_us(WAIT_US); _delay_us(WAIT_US);
if (SERIAL_RXD_READ()) { parity ^= 1; } if (SERIAL_SOFT_RXD_IN()) { parity ^= 1; }
SERIAL_SOFT_DEBUG_TGL() SERIAL_SOFT_DEBUG_TGL();
#endif #endif
/* to center of stop bit */ /* to center of stop bit */
_delay_us(WAIT_US); _delay_us(WAIT_US);
uint8_t next = (rbuf_head + 1) % RBUF_SIZE; uint8_t next = (rbuf_head + 1) % RBUF_SIZE;
#if defined(SERIAL_PARITY_EVEN) || defined(SERIAL_PARITY_ODD) #if defined(SERIAL_SOFT_PARITY_EVEN) || defined(SERIAL_SOFT_PARITY_ODD)
if (parity && next != rbuf_tail) { if ((parity == SERIAL_SOFT_PARITY_VAL) && next != rbuf_tail) {
#else #else
if (next != rbuf_tail) { if (next != rbuf_tail) {
#endif #endif
@ -186,6 +219,6 @@ ISR(SERIAL_RXD_VECT)
rbuf_head = next; rbuf_head = next;
} }
SERIAL_RXD_INT_EXIT(); SERIAL_SOFT_RXD_INT_EXIT();
SERIAL_SOFT_DEBUG_TGL() SERIAL_SOFT_DEBUG_TGL();
} }

93
protocol/serial_uart.c Normal file
View File

@ -0,0 +1,93 @@
/*
Copyright 2013 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.
*/
#include <stdbool.h>
#include <avr/io.h>
#include <avr/interrupt.h>
#include "serial.h"
void serial_init(void)
{
SERIAL_UART_INIT();
}
// RX ring buffer
#define RBUF_SIZE 8
static uint8_t rbuf[RBUF_SIZE];
static uint8_t rbuf_head = 0;
static uint8_t rbuf_tail = 0;
uint8_t serial_recv(void)
{
uint8_t data = 0;
if (rbuf_head == rbuf_tail) {
return 0;
}
data = rbuf[rbuf_tail];
rbuf_tail = (rbuf_tail + 1) % RBUF_SIZE;
return data;
}
int16_t serial_recv2(void)
{
uint8_t data = 0;
if (rbuf_head == rbuf_tail) {
return -1;
}
data = rbuf[rbuf_tail];
rbuf_tail = (rbuf_tail + 1) % RBUF_SIZE;
return data;
}
void serial_send(uint8_t data)
{
while (!SERIAL_UART_TXD_READY) ;
SERIAL_UART_DATA = data;
}
// USART RX complete interrupt
ISR(SERIAL_UART_RXD_VECT)
{
uint8_t next = (rbuf_head + 1) % RBUF_SIZE;
if (next != rbuf_tail) {
rbuf[rbuf_head] = SERIAL_UART_DATA;
rbuf_head = next;
}
}