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Added M0110A support contributed by skagon@github.

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- README is written with markdown notation.
- m0110.c can handles Arrow keys and Calc keys of M0110A.
- EXTRAFLAGS and EXTRALDFLAGS are added in rules.mk to give flags on make command line.
This commit is contained in:
tmk 2012-04-28 01:57:36 +09:00
parent 0a4fa89548
commit 12f6e9ffa7
8 changed files with 359 additions and 133 deletions
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81
m0110.c
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@ -34,6 +34,7 @@ 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.
*/
/* M0110A Support was contributed by skagon@github */
#include <stdbool.h>
#include <avr/io.h>
@ -43,6 +44,8 @@ POSSIBILITY OF SUCH DAMAGE.
#include "debug.h"
static inline uint8_t inquiry(void);
static inline uint8_t instant(void);
static inline void clock_lo(void);
static inline void clock_hi(void);
static inline bool clock_in(void);
@ -106,6 +109,23 @@ KEY EVENT:
Moreover, the numpad keys =, /, * and + are preceded by shift-down 0x71 on press and shift-up 0xF1 on release.
So, the data transferred by nupmad 5 is "79 2F" whereas for numpad + it's "71 79 0D".
ARROW KEYS:
Arrow keys and Pad+,*,/,=(Calc keys) share same byte sequence and its preceding byte
0x71 and 0xF1 means press and release event of SHIFT. These cause very confusing situation.
It is difficult or impossible to tell Calc key from Arrow key with SHIFT in some cases.
Raw key events:
press release
---------------- ----------------
Left: 0x79, 0x0D 0x79, 0x8D
Right: 0x79, 0x05 0x79, 0x85
Up: 0x79, 0x1B 0x79, 0x9B
Down: 0x79, 0x11 0x79, 0x91
Pad+: 0x71, 0x79, 0x0D 0xF1, 0x79, 0x8D
Pad*: 0x71, 0x79, 0x05 0xF1, 0x79, 0x85
Pad/: 0x71, 0x79, 0x1B 0xF1, 0x79, 0x9B
Pad=: 0x71, 0x79, 0x11 0xF1, 0x79, 0x91
SCAN CODE:
m0111_recv_key() function returns follwing scan codes instead of raw key events.
Scan codes are 1 byte long and bit7 is set when key is released.
@ -275,16 +295,63 @@ ERROR:
uint8_t m0110_recv_key(void)
{
uint8_t key;
m0110_send(M0110_INQUIRY);
key = m0110_recv();
if (key == 0xFF || key == M0110_NULL)
return M0110_NULL;
else
return M0110_RAW2SCAN(key);
static uint8_t keybuf = 0x00;
uint8_t key, key2, key3;
if (keybuf) {
key = keybuf;
keybuf = 0x00;
return key;
}
key = instant(); // Use INSTANT for better response. Should be INQUIRY ?
switch (key) {
case M0110_KEYPAD:
// Pad/Arrow keys
return (M0110_RAW2SCAN(instant()) | M0110_KEYPAD_OFFSET);
break;
case M0110_SHIFT_MAKE:
case M0110_SHIFT_BREAK:
key2 = instant();
if (key2 == M0110_KEYPAD) {
key3 = instant();
switch (key3) {
case M0110_ARROW_UP:
case M0110_ARROW_DOWN:
case M0110_ARROW_LEFT:
case M0110_ARROW_RIGHT:
// Calc keys
return (M0110_RAW2SCAN(key3) | M0110_CALC_OFFSET);
default:
// Shift + Pad/Arrow keys
keybuf = M0110_RAW2SCAN(key3);
return (M0110_RAW2SCAN(key) | M0110_KEYPAD_OFFSET);
}
} else {
// Shift + other keys
keybuf = M0110_RAW2SCAN(key2);
return M0110_RAW2SCAN(key);
}
break;
default:
// other keys
return M0110_RAW2SCAN(key);
break;
}
}
static inline uint8_t inquiry(void)
{
m0110_send(M0110_INQUIRY);
return m0110_recv();
}
static inline uint8_t instant(void)
{
m0110_send(M0110_INSTANT);
return m0110_recv();
}
static inline void clock_lo()
{
M0110_CLOCK_PORT &= ~(1<<M0110_CLOCK_BIT);