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adb_usb: Fix mouse_init

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tmk 2019-06-23 13:31:54 +09:00
parent 35da7a8d70
commit 66e97371ba
3 changed files with 225 additions and 75 deletions
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66
tmk_core/protocol/adb.c
View file

@ -1,5 +1,5 @@
/*
Copyright 2011 Jun WAKO <wakojun@gmail.com>
Copyright 2011-19 Jun WAKO <wakojun@gmail.com>
Copyright 2013 Shay Green <gblargg@gmail.com>
This software is licensed with a Modified BSD License.
@ -113,18 +113,71 @@ uint8_t adb_host_talk_buf(uint8_t addr, uint8_t reg, uint8_t *buf, uint8_t len)
attention();
send_byte((addr<<4) | ADB_CMD_TALK | reg);
place_bit0(); // Stopbit(0)
// TODO: Service Request(Srq):
// Device holds low part of comannd stopbit for 140-260us
//
// Command:
// ......._ ______________________ ___ ............_ -------
// | | | | | | |
// Command | | | | | Data bytes | |
// ........|___| | 140-260 |__| |_............|___|
// |stop0 | Tlt Stop-to-Start |start1| |stop0 |
//
// Command without data:
// ......._ __________________________
// | |
// Command | |
// ........|___| | 140-260 |
// |stop0 | Tlt Stop-to-Start |
//
// Service Request:
// ......._ ______ ___ ............_ -------
// | 140-260 | | | | | |
// Command | Service Request | | | | Data bytes | |
// ........|___________________| |__| |_............|___|
// |stop0 | |start1| |stop0 |
// ......._ __________
// | 140-260 |
// Command | Service Request |
// ........|___________________|
// |stop0 |
// This can be happened?
// ......._ ______________________ ___ ............_ -----
// | | | | | | 140-260 |
// Command | | | | | Data bytes | Service Request |
// ........|___| | 140-260 |__| |_............|_________________|
// |stop0 | Tlt Stop-to-Start |start1| |stop0 |
//
// "Service requests are issued by the devices during a very specific time at the
// end of the reception of the command packet.
// If a device in need of service issues a service request, it must do so within
// the 65 µs of the Stop Bit’s low time and maintain the line low for a total of 300 µs."
//
// "A device sends a Service Request signal by holding the bus low during the low
// portion of the stop bit of any command or data transaction. The device must lengthen
// the stop by a minimum of 140 J.lS beyond its normal duration, as shown in Figure 8-15."
// http://ww1.microchip.com/downloads/en/AppNotes/00591b.pdf
if (!wait_data_hi(500)) { // Service Request(310us Adjustable Keyboard): just ignored
xprintf("R");
sei();
return -30; // something wrong
return 0;
}
if (!wait_data_lo(500)) { // Tlt/Stop to Start(140-260us)
sei();
return 0; // No data to send
return 0; // No data from device(not error);
}
// start bit(1)
if (!wait_data_hi(40)) return 0;
if (!wait_data_lo(100)) return 0;
if (!wait_data_hi(40)) {
xprintf("S");
sei();
return 0;
}
if (!wait_data_lo(100)) {
xprintf("s");
sei();
return 0;
}
uint8_t n = 0; // bit count
do {
@ -143,7 +196,7 @@ uint8_t adb_host_talk_buf(uint8_t addr, uint8_t reg, uint8_t *buf, uint8_t len)
uint8_t hi = (uint8_t) wait_data_lo(lo);
if (!hi)
goto error; // stop bit extedned by Srq
goto error; // stop bit extedned by Srq?
if (n/8 >= len) continue; // can't store in buf
@ -174,6 +227,7 @@ void adb_host_listen_buf(uint8_t addr, uint8_t reg, uint8_t *buf, uint8_t len)
attention();
send_byte((addr<<4) | ADB_CMD_LISTEN | reg);
place_bit0(); // Stopbit(0)
// TODO: Service Request
_delay_us(200); // Tlt/Stop to Start
place_bit1(); // Startbit(1)
for (int8_t i = 0; i < len; i++) {

15
tmk_core/protocol/adb.h
View file

@ -1,5 +1,5 @@
/*
Copyright 2011 Jun WAKO <wakojun@gmail.com>
Copyright 2011-19 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,
@ -54,11 +54,23 @@ POSSIBILITY OF SUCH DAMAGE.
/* ADB commands */
// Default Address
#define ADB_ADDR_0 0
#define ADB_ADDR_DONGLE 1
#define ADB_ADDR_KEYBOARD 2
#define ADB_ADDR_MOUSE 3
#define ADB_ADDR_TABLET 4
#define ADB_ADDR_APPLIANCE 7
#define ADB_ADDR_8 8
#define ADB_ADDR_9 9
#define ADB_ADDR_10 10
#define ADB_ADDR_11 11
#define ADB_ADDR_12 12
#define ADB_ADDR_13 13
#define ADB_ADDR_14 14
#define ADB_ADDR_15 15
// for temporary purpose, do not use for polling
#define ADB_ADDR_TMP 15
#define ADB_ADDR_MOUSE_POLL 10
// Command Type
#define ADB_CMD_RESET 0
#define ADB_CMD_FLUSH 1
@ -80,6 +92,7 @@ POSSIBILITY OF SUCH DAMAGE.
#define ADB_HANDLER_CLASSIC1_MOUSE 0x01
#define ADB_HANDLER_CLASSIC2_MOUSE 0x02
#define ADB_HANDLER_EXTENDED_MOUSE 0x04
#define ADB_HANDLER_TURBO_MOUSE 0x32
// ADB host