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Squashed 'tmk_core/' changes from b9e0ea0..caca2c0

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caca2c0 Add mouse support to ADB
5b0835a Merge commit '1fe4406f374291ab2e86e95a97341fd9c475fcb8'
f2f7556 Remove unneeded tap delays #201
8124195 Fix URL of HID Usage Tables pdf
0bb4679 Fix typo of doc/keycode.txt
b24fa1a Fix handling of consumer usage #199
6ae1a3d Improve anti-ghosting behavior for fast typing
a4c9763 Fix dfu-programmer parameters
b62b3f2 Move ring_buffer.h file
6ec424f Fix debug print
502fb0c Fix ibm4704 protocol with using interrupt

git-subtree-dir: tmk_core
git-subtree-split: caca2c01553394d959550034c817520d575c7fa0
This commit is contained in:
tmk
2015-04-28 11:27:10 +09:00
parent 1fe4406f37
commit 4d116a04e9
13 changed files with 213 additions and 75 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
protocol/adb.c
View File

@@ -60,6 +60,7 @@ static inline void place_bit1(void);
static inline void send_byte(uint8_t data);
static inline uint16_t wait_data_lo(uint16_t us);
static inline uint16_t wait_data_hi(uint16_t us);
static inline uint16_t adb_host_dev_recv(uint8_t device);
void adb_host_init(void)
@@ -121,12 +122,33 @@ bool adb_host_psw(void)
//
// [from Apple IIgs Hardware Reference Second Edition]
enum {
ADDR_KEYB = 0x20,
ADDR_MOUSE = 0x30
};
uint16_t adb_host_kbd_recv(void)
{
return adb_host_dev_recv(ADDR_KEYB);
}
#ifdef ADB_MOUSE_ENABLE
void adb_mouse_init(void) {
return;
}
uint16_t adb_host_mouse_recv(void)
{
return adb_host_dev_recv(ADDR_MOUSE);
}
#endif
static inline uint16_t adb_host_dev_recv(uint8_t device)
{
uint16_t data = 0;
cli();
attention();
send_byte(0x2C); // Addr:Keyboard(0010), Cmd:Talk(11), Register0(00)
send_byte(device|0x0C); // Addr:Keyboard(0010)/Mouse(0011), Cmd:Talk(11), Register0(00)
place_bit0(); // Stopbit(0)
if (!wait_data_hi(500)) { // Service Request(310us Adjustable Keyboard): just ignored
sei();

4
protocol/adb.h
View File

@@ -56,7 +56,11 @@ POSSIBILITY OF SUCH DAMAGE.
void adb_host_init(void);
bool adb_host_psw(void);
uint16_t adb_host_kbd_recv(void);
uint16_t adb_host_mouse_recv(void);
void adb_host_listen(uint8_t cmd, uint8_t data_h, uint8_t data_l);
void adb_host_kbd_led(uint8_t led);
void adb_mouse_task(void);
void adb_mouse_init(void);
#endif

141
protocol/ibm4704.c
View File

@@ -4,6 +4,7 @@ Copyright 2010,2011,2012,2013 Jun WAKO <wakojun@gmail.com>
#include <stdbool.h>
#include <util/delay.h>
#include "debug.h"
#include "ring_buffer.h"
#include "ibm4704.h"
@@ -20,7 +21,9 @@ uint8_t ibm4704_error = 0;
void ibm4704_init(void)
{
inhibit();
IBM4704_INT_INIT();
IBM4704_INT_ON();
idle();
}
/*
@@ -47,6 +50,8 @@ uint8_t ibm4704_send(uint8_t data)
bool parity = true; // odd parity
ibm4704_error = 0;
IBM4704_INT_OFF();
/* Request to send */
idle();
clock_lo();
@@ -57,7 +62,6 @@ uint8_t ibm4704_send(uint8_t data)
/* Data bit */
for (uint8_t i = 0; i < 8; i++) {
WAIT(clock_hi, 100, 0x40+i);
//_delay_us(5);
if (data&(1<<i)) {
parity = !parity;
data_hi();
@@ -79,28 +83,25 @@ uint8_t ibm4704_send(uint8_t data)
/* End */
WAIT(data_lo, 100, 0x36);
inhibit();
_delay_us(200); // wait to recover clock to hi
idle();
IBM4704_INT_ON();
return 0;
ERROR:
inhibit();
if (ibm4704_error >= 0x30) {
xprintf("x%02X ", ibm4704_error);
idle();
if (ibm4704_error > 0x30) {
xprintf("S:%02X ", ibm4704_error);
}
_delay_us(200); // wait to recover clock to hi
IBM4704_INT_ON();
return -1;
}
/* receive data when host want else inhibit communication */
/* wait forever to receive data */
uint8_t ibm4704_recv_response(void)
{
// 250 * 100us(wait start bit in ibm4704_recv)
uint8_t data = 0;
uint8_t try = 250;
do {
data = ibm4704_recv();
} while (try-- && ibm4704_error);
return data;
while (!rbuf_has_data()) {
_delay_ms(1);
}
return rbuf_dequeue();
}
/*
@@ -121,49 +122,69 @@ Stop bit: Keyboard pulls down Data line to lo after 9th clock.
*/
uint8_t ibm4704_recv(void)
{
uint8_t data = 0;
bool parity = true; // odd parity
ibm4704_error = IBM4704_ERR_NONE;
idle();
_delay_us(5); // wait for line settles
/* start bit */
WAIT(clock_lo, 100, 0x11); // wait for keyboard to send
WAIT(data_hi, 100, 0x12); // can be delayed that long
WAIT(clock_hi, 100, 0x13); // first rising edge which can take longer
/* data */
for (uint8_t i = 0; i < 8; i++) {
WAIT(clock_hi, 100, 0x20+i);
//_delay_us(5);
if (data_in()) {
parity = !parity;
data |= (1<<i);
}
WAIT(clock_lo, 150, 0x28+i);
if (rbuf_has_data()) {
return rbuf_dequeue();
} else {
return -1;
}
/* parity */
WAIT(clock_hi, 100, 0x17);
if (data_in() != parity) {
ibm4704_error = IBM4704_ERR_PARITY;
goto ERROR;
}
WAIT(clock_lo, 150, 0x18);
/* stop bit */
WAIT(clock_hi, 100, 0x19);
WAIT(data_lo, 1, 0x19);
inhibit();
_delay_us(200); // wait to recover clock to hi
return data;
ERROR:
if (ibm4704_error > 0x12) {
xprintf("x%02X ", ibm4704_error);
}
inhibit();
_delay_us(200); // wait to recover clock to hi
return -1;
}
ISR(IBM4704_INT_VECT)
{
static enum {
INIT, START, BIT0, BIT1, BIT2, BIT3, BIT4, BIT5, BIT6, BIT7, PARITY,
} state = INIT;
// LSB first
static uint8_t data = 0;
// Odd parity
static uint8_t parity = false;
ibm4704_error = 0;
// return unless falling edge
if (clock_in()) { goto RETURN; } // why this occurs?
state++;
switch (state) {
case START:
// Data:Low
WAIT(data_hi, 10, state);
break;
case BIT0:
case BIT1:
case BIT2:
case BIT3:
case BIT4:
case BIT5:
case BIT6:
case BIT7:
data >>= 1;
if (data_in()) {
data |= 0x80;
parity = !parity;
}
break;
case PARITY:
if (data_in()) {
parity = !parity;
}
if (!parity)
goto ERROR;
rbuf_enqueue(data);
ibm4704_error = IBM4704_ERR_NONE;
goto DONE;
break;
default:
goto ERROR;
}
goto RETURN;
ERROR:
ibm4704_error = state;
while (ibm4704_send(0xFE)) _delay_ms(1); // resend
xprintf("R:%02X%02X\n", state, data);
DONE:
state = INIT;
data = 0;
parity = false;
RETURN:
return;
}

4
protocol/pjrc.mk
View File

@@ -11,6 +11,10 @@ ifdef MOUSEKEY_ENABLE
SRC += $(PJRC_DIR)/usb_mouse.c
endif
ifdef ADB_MOUSE_ENABLE
SRC += $(PJRC_DIR)/usb_mouse.c
endif
ifdef PS2_MOUSE_ENABLE
SRC += $(PJRC_DIR)/usb_mouse.c
endif