diff options
Diffstat (limited to 'tmk_core/protocol/m0110.c')
-rw-r--r-- | tmk_core/protocol/m0110.c | 262 |
1 files changed, 127 insertions, 135 deletions
diff --git a/tmk_core/protocol/m0110.c b/tmk_core/protocol/m0110.c index 0d3a5aaa4..b02a6933d 100644 --- a/tmk_core/protocol/m0110.c +++ b/tmk_core/protocol/m0110.c @@ -43,98 +43,95 @@ POSSIBILITY OF SUCH DAMAGE. #include "m0110.h" #include "debug.h" - -static inline uint8_t raw2scan(uint8_t raw); -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); -static inline void data_lo(void); -static inline void data_hi(void); -static inline bool data_in(void); +static inline uint8_t raw2scan(uint8_t raw); +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); +static inline void data_lo(void); +static inline void data_hi(void); +static inline bool data_in(void); static inline uint16_t wait_clock_lo(uint16_t us); static inline uint16_t wait_clock_hi(uint16_t us); static inline uint16_t wait_data_lo(uint16_t us); static inline uint16_t wait_data_hi(uint16_t us); -static inline void idle(void); -static inline void request(void); - - -#define WAIT_US(stat, us, err) do { \ - if (!wait_##stat(us)) { \ - m0110_error = err; \ - goto ERROR; \ - } \ -} while (0) - -#define WAIT_MS(stat, ms, err) do { \ - uint16_t _ms = ms; \ - while (_ms) { \ - if (wait_##stat(1000)) { \ - break; \ - } \ - _ms--; \ - } \ - if (_ms == 0) { \ - m0110_error = err; \ - goto ERROR; \ - } \ -} while (0) - -#define KEY(raw) ((raw) & 0x7f) -#define IS_BREAK(raw) (((raw) & 0x80) == 0x80) - +static inline void idle(void); +static inline void request(void); + +#define WAIT_US(stat, us, err) \ + do { \ + if (!wait_##stat(us)) { \ + m0110_error = err; \ + goto ERROR; \ + } \ + } while (0) + +#define WAIT_MS(stat, ms, err) \ + do { \ + uint16_t _ms = ms; \ + while (_ms) { \ + if (wait_##stat(1000)) { \ + break; \ + } \ + _ms--; \ + } \ + if (_ms == 0) { \ + m0110_error = err; \ + goto ERROR; \ + } \ + } while (0) + +#define KEY(raw) ((raw)&0x7f) +#define IS_BREAK(raw) (((raw)&0x80) == 0x80) uint8_t m0110_error = 0; - -void m0110_init(void) -{ +void m0110_init(void) { idle(); _delay_ms(1000); -/* Not needed to initialize in fact. - uint8_t data; - m0110_send(M0110_MODEL); - data = m0110_recv(); - print("m0110_init model: "); phex(data); print("\n"); + /* Not needed to initialize in fact. + uint8_t data; + m0110_send(M0110_MODEL); + data = m0110_recv(); + print("m0110_init model: "); phex(data); print("\n"); - m0110_send(M0110_TEST); - data = m0110_recv(); - print("m0110_init test: "); phex(data); print("\n"); -*/ + m0110_send(M0110_TEST); + data = m0110_recv(); + print("m0110_init test: "); phex(data); print("\n"); + */ } -uint8_t m0110_send(uint8_t data) -{ +uint8_t m0110_send(uint8_t data) { m0110_error = 0; request(); WAIT_MS(clock_lo, 250, 1); // keyboard may block long time for (uint8_t bit = 0x80; bit; bit >>= 1) { WAIT_US(clock_lo, 250, 3); - if (data&bit) { + if (data & bit) { data_hi(); } else { data_lo(); } WAIT_US(clock_hi, 200, 4); } - _delay_us(100); // hold last bit for 80us + _delay_us(100); // hold last bit for 80us idle(); return 1; ERROR: - print("m0110_send err: "); phex(m0110_error); print("\n"); + print("m0110_send err: "); + phex(m0110_error); + print("\n"); _delay_ms(500); idle(); return 0; } -uint8_t m0110_recv(void) -{ +uint8_t m0110_recv(void) { uint8_t data = 0; - m0110_error = 0; + m0110_error = 0; WAIT_MS(clock_lo, 250, 1); // keyboard may block long time for (uint8_t i = 0; i < 8; i++) { @@ -148,7 +145,9 @@ uint8_t m0110_recv(void) idle(); return data; ERROR: - print("m0110_recv err: "); phex(m0110_error); print("\n"); + print("m0110_recv err: "); + phex(m0110_error); + print("\n"); _delay_ms(500); idle(); return 0xFF; @@ -199,26 +198,25 @@ During Calc key is hold: *b: Shift(d) event is ignored. *c: Arrow/Calc(d) event is ignored. */ -uint8_t m0110_recv_key(void) -{ - static uint8_t keybuf = 0x00; +uint8_t m0110_recv_key(void) { + static uint8_t keybuf = 0x00; static uint8_t keybuf2 = 0x00; - static uint8_t rawbuf = 0x00; - uint8_t raw, raw2, raw3; + static uint8_t rawbuf = 0x00; + uint8_t raw, raw2, raw3; if (keybuf) { - raw = keybuf; + raw = keybuf; keybuf = 0x00; return raw; } if (keybuf2) { - raw = keybuf2; + raw = keybuf2; keybuf2 = 0x00; return raw; } if (rawbuf) { - raw = rawbuf; + raw = rawbuf; rawbuf = 0x00; } else { raw = instant(); // Use INSTANT for better response. Should be INQUIRY ? @@ -233,8 +231,8 @@ uint8_t m0110_recv_key(void) case M0110_ARROW_RIGHT: if (IS_BREAK(raw2)) { // Case B,F,N: - keybuf = (raw2scan(raw2) | M0110_CALC_OFFSET); // Calc(u) - return (raw2scan(raw2) | M0110_KEYPAD_OFFSET); // Arrow(u) + keybuf = (raw2scan(raw2) | M0110_CALC_OFFSET); // Calc(u) + return (raw2scan(raw2) | M0110_KEYPAD_OFFSET); // Arrow(u) } break; } @@ -247,7 +245,7 @@ uint8_t m0110_recv_key(void) case M0110_SHIFT: // Case: 5-8,C,G,H rawbuf = raw2; - return raw2scan(raw); // Shift(d/u) + return raw2scan(raw); // Shift(d/u) break; case M0110_KEYPAD: // Shift + Arrow, Calc, or etc. @@ -261,38 +259,38 @@ uint8_t m0110_recv_key(void) if (IS_BREAK(raw3)) { // Case 4: print("(4)\n"); - keybuf2 = raw2scan(raw); // Shift(u) - keybuf = (raw2scan(raw3) | M0110_CALC_OFFSET); // Calc(u) - return (raw2scan(raw3) | M0110_KEYPAD_OFFSET); // Arrow(u) + keybuf2 = raw2scan(raw); // Shift(u) + keybuf = (raw2scan(raw3) | M0110_CALC_OFFSET); // Calc(u) + return (raw2scan(raw3) | M0110_KEYPAD_OFFSET); // Arrow(u) } else { // Case 3: print("(3)\n"); - return (raw2scan(raw)); // Shift(u) + return (raw2scan(raw)); // Shift(u) } } else { if (IS_BREAK(raw3)) { // Case 2: print("(2)\n"); - keybuf = (raw2scan(raw3) | M0110_CALC_OFFSET); // Calc(u) + keybuf = (raw2scan(raw3) | M0110_CALC_OFFSET); // Calc(u) return (raw2scan(raw3) | M0110_KEYPAD_OFFSET); // Arrow(u) } else { // Case 1: print("(1)\n"); - return (raw2scan(raw3) | M0110_CALC_OFFSET); // Calc(d) + return (raw2scan(raw3) | M0110_CALC_OFFSET); // Calc(d) } } break; default: // Shift + Keypad keybuf = (raw2scan(raw3) | M0110_KEYPAD_OFFSET); - return raw2scan(raw); // Shift(d/u) + return raw2scan(raw); // Shift(d/u) break; } break; default: // Shift + Normal keys keybuf = raw2scan(raw2); - return raw2scan(raw); // Shift(d/u) + return raw2scan(raw); // Shift(d/u) break; } break; @@ -303,103 +301,97 @@ uint8_t m0110_recv_key(void) } } +static inline uint8_t raw2scan(uint8_t raw) { return (raw == M0110_NULL) ? M0110_NULL : ((raw == M0110_ERROR) ? M0110_ERROR : (((raw & 0x80) | ((raw & 0x7F) >> 1)))); } -static inline uint8_t raw2scan(uint8_t raw) { - return (raw == M0110_NULL) ? M0110_NULL : ( - (raw == M0110_ERROR) ? M0110_ERROR : ( - ((raw&0x80) | ((raw&0x7F)>>1)) - ) - ); -} - -static inline uint8_t inquiry(void) -{ +static inline uint8_t inquiry(void) { m0110_send(M0110_INQUIRY); return m0110_recv(); } -static inline uint8_t instant(void) -{ +static inline uint8_t instant(void) { m0110_send(M0110_INSTANT); uint8_t data = m0110_recv(); if (data != M0110_NULL) { - debug_hex(data); debug(" "); + debug_hex(data); + debug(" "); } return data; } -static inline void clock_lo() -{ - M0110_CLOCK_PORT &= ~(1<<M0110_CLOCK_BIT); - M0110_CLOCK_DDR |= (1<<M0110_CLOCK_BIT); +static inline void clock_lo() { + M0110_CLOCK_PORT &= ~(1 << M0110_CLOCK_BIT); + M0110_CLOCK_DDR |= (1 << M0110_CLOCK_BIT); } -static inline void clock_hi() -{ +static inline void clock_hi() { /* input with pull up */ - M0110_CLOCK_DDR &= ~(1<<M0110_CLOCK_BIT); - M0110_CLOCK_PORT |= (1<<M0110_CLOCK_BIT); + M0110_CLOCK_DDR &= ~(1 << M0110_CLOCK_BIT); + M0110_CLOCK_PORT |= (1 << M0110_CLOCK_BIT); } -static inline bool clock_in() -{ - M0110_CLOCK_DDR &= ~(1<<M0110_CLOCK_BIT); - M0110_CLOCK_PORT |= (1<<M0110_CLOCK_BIT); +static inline bool clock_in() { + M0110_CLOCK_DDR &= ~(1 << M0110_CLOCK_BIT); + M0110_CLOCK_PORT |= (1 << M0110_CLOCK_BIT); _delay_us(1); - return M0110_CLOCK_PIN&(1<<M0110_CLOCK_BIT); + return M0110_CLOCK_PIN & (1 << M0110_CLOCK_BIT); } -static inline void data_lo() -{ - M0110_DATA_PORT &= ~(1<<M0110_DATA_BIT); - M0110_DATA_DDR |= (1<<M0110_DATA_BIT); +static inline void data_lo() { + M0110_DATA_PORT &= ~(1 << M0110_DATA_BIT); + M0110_DATA_DDR |= (1 << M0110_DATA_BIT); } -static inline void data_hi() -{ +static inline void data_hi() { /* input with pull up */ - M0110_DATA_DDR &= ~(1<<M0110_DATA_BIT); - M0110_DATA_PORT |= (1<<M0110_DATA_BIT); + M0110_DATA_DDR &= ~(1 << M0110_DATA_BIT); + M0110_DATA_PORT |= (1 << M0110_DATA_BIT); } -static inline bool data_in() -{ - M0110_DATA_DDR &= ~(1<<M0110_DATA_BIT); - M0110_DATA_PORT |= (1<<M0110_DATA_BIT); +static inline bool data_in() { + M0110_DATA_DDR &= ~(1 << M0110_DATA_BIT); + M0110_DATA_PORT |= (1 << M0110_DATA_BIT); _delay_us(1); - return M0110_DATA_PIN&(1<<M0110_DATA_BIT); + return M0110_DATA_PIN & (1 << M0110_DATA_BIT); } -static inline uint16_t wait_clock_lo(uint16_t us) -{ - while (clock_in() && us) { asm(""); _delay_us(1); us--; } +static inline uint16_t wait_clock_lo(uint16_t us) { + while (clock_in() && us) { + asm(""); + _delay_us(1); + us--; + } return us; } -static inline uint16_t wait_clock_hi(uint16_t us) -{ - while (!clock_in() && us) { asm(""); _delay_us(1); us--; } +static inline uint16_t wait_clock_hi(uint16_t us) { + while (!clock_in() && us) { + asm(""); + _delay_us(1); + us--; + } return us; } -static inline uint16_t wait_data_lo(uint16_t us) -{ - while (data_in() && us) { asm(""); _delay_us(1); us--; } +static inline uint16_t wait_data_lo(uint16_t us) { + while (data_in() && us) { + asm(""); + _delay_us(1); + us--; + } return us; } -static inline uint16_t wait_data_hi(uint16_t us) -{ - while (!data_in() && us) { asm(""); _delay_us(1); us--; } +static inline uint16_t wait_data_hi(uint16_t us) { + while (!data_in() && us) { + asm(""); + _delay_us(1); + us--; + } return us; } -static inline void idle(void) -{ +static inline void idle(void) { clock_hi(); data_hi(); } -static inline void request(void) -{ +static inline void request(void) { clock_hi(); data_lo(); } - - /* Primitive M0110 Library for AVR ============================== |