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| author | skullY <skullydazed@gmail.com> | 2019-08-30 11:19:03 -0700 |
|---|---|---|
| committer | skullydazed <skullydazed@users.noreply.github.com> | 2019-08-30 15:01:52 -0700 |
| commit | b624f32f944acdc59dcb130674c09090c5c404cb (patch) | |
| tree | bc13adbba137d122d9a2c2fb2fafcbb08ac10e25 /tmk_core/protocol/ibm4704.h | |
| parent | 61af76a10d00aba185b8338604171de490a13e3b (diff) | |
| download | qmk_firmware-b624f32f944acdc59dcb130674c09090c5c404cb.tar.gz qmk_firmware-b624f32f944acdc59dcb130674c09090c5c404cb.zip | |
clang-format changes
Diffstat (limited to 'tmk_core/protocol/ibm4704.h')
| -rw-r--r-- | tmk_core/protocol/ibm4704.h | 113 |
1 files changed, 54 insertions, 59 deletions
diff --git a/tmk_core/protocol/ibm4704.h b/tmk_core/protocol/ibm4704.h index 618cce6be..cc2418ee6 100644 --- a/tmk_core/protocol/ibm4704.h +++ b/tmk_core/protocol/ibm4704.h | |||
| @@ -4,105 +4,100 @@ Copyright 2014 Jun WAKO <wakojun@gmail.com> | |||
| 4 | #ifndef IBM4704_H | 4 | #ifndef IBM4704_H |
| 5 | #define IBM4704_H | 5 | #define IBM4704_H |
| 6 | 6 | ||
| 7 | #define IBM4704_ERR_NONE 0 | 7 | #define IBM4704_ERR_NONE 0 |
| 8 | #define IBM4704_ERR_PARITY 0x70 | 8 | #define IBM4704_ERR_PARITY 0x70 |
| 9 | 9 | ||
| 10 | 10 | void ibm4704_init(void); | |
| 11 | void ibm4704_init(void); | ||
| 12 | uint8_t ibm4704_send(uint8_t data); | 11 | uint8_t ibm4704_send(uint8_t data); |
| 13 | uint8_t ibm4704_recv_response(void); | 12 | uint8_t ibm4704_recv_response(void); |
| 14 | uint8_t ibm4704_recv(void); | 13 | uint8_t ibm4704_recv(void); |
| 15 | 14 | ||
| 16 | |||
| 17 | /* Check pin configuration */ | 15 | /* Check pin configuration */ |
| 18 | #if !(defined(IBM4704_CLOCK_PORT) && \ | 16 | #if !(defined(IBM4704_CLOCK_PORT) && defined(IBM4704_CLOCK_PIN) && defined(IBM4704_CLOCK_DDR) && defined(IBM4704_CLOCK_BIT)) |
| 19 | defined(IBM4704_CLOCK_PIN) && \ | 17 | # error "ibm4704 clock pin configuration is required in config.h" |
| 20 | defined(IBM4704_CLOCK_DDR) && \ | ||
| 21 | defined(IBM4704_CLOCK_BIT)) | ||
| 22 | # error "ibm4704 clock pin configuration is required in config.h" | ||
| 23 | #endif | 18 | #endif |
| 24 | 19 | ||
| 25 | #if !(defined(IBM4704_DATA_PORT) && \ | 20 | #if !(defined(IBM4704_DATA_PORT) && defined(IBM4704_DATA_PIN) && defined(IBM4704_DATA_DDR) && defined(IBM4704_DATA_BIT)) |
| 26 | defined(IBM4704_DATA_PIN) && \ | 21 | # error "ibm4704 data pin configuration is required in config.h" |
| 27 | defined(IBM4704_DATA_DDR) && \ | ||
| 28 | defined(IBM4704_DATA_BIT)) | ||
| 29 | # error "ibm4704 data pin configuration is required in config.h" | ||
| 30 | #endif | 22 | #endif |
| 31 | 23 | ||
| 32 | |||
| 33 | /*-------------------------------------------------------------------- | 24 | /*-------------------------------------------------------------------- |
| 34 | * static functions | 25 | * static functions |
| 35 | *------------------------------------------------------------------*/ | 26 | *------------------------------------------------------------------*/ |
| 36 | static inline void clock_lo(void) | 27 | static inline void clock_lo(void) { |
| 37 | { | 28 | IBM4704_CLOCK_PORT &= ~(1 << IBM4704_CLOCK_BIT); |
| 38 | IBM4704_CLOCK_PORT &= ~(1<<IBM4704_CLOCK_BIT); | 29 | IBM4704_CLOCK_DDR |= (1 << IBM4704_CLOCK_BIT); |
| 39 | IBM4704_CLOCK_DDR |= (1<<IBM4704_CLOCK_BIT); | ||
| 40 | } | 30 | } |
| 41 | static inline void clock_hi(void) | 31 | static inline void clock_hi(void) { |
| 42 | { | ||
| 43 | /* input with pull up */ | 32 | /* input with pull up */ |
| 44 | IBM4704_CLOCK_DDR &= ~(1<<IBM4704_CLOCK_BIT); | 33 | IBM4704_CLOCK_DDR &= ~(1 << IBM4704_CLOCK_BIT); |
| 45 | IBM4704_CLOCK_PORT |= (1<<IBM4704_CLOCK_BIT); | 34 | IBM4704_CLOCK_PORT |= (1 << IBM4704_CLOCK_BIT); |
| 46 | } | 35 | } |
| 47 | static inline bool clock_in(void) | 36 | static inline bool clock_in(void) { |
| 48 | { | 37 | IBM4704_CLOCK_DDR &= ~(1 << IBM4704_CLOCK_BIT); |
| 49 | IBM4704_CLOCK_DDR &= ~(1<<IBM4704_CLOCK_BIT); | 38 | IBM4704_CLOCK_PORT |= (1 << IBM4704_CLOCK_BIT); |
| 50 | IBM4704_CLOCK_PORT |= (1<<IBM4704_CLOCK_BIT); | ||
| 51 | _delay_us(1); | 39 | _delay_us(1); |
| 52 | return IBM4704_CLOCK_PIN&(1<<IBM4704_CLOCK_BIT); | 40 | return IBM4704_CLOCK_PIN & (1 << IBM4704_CLOCK_BIT); |
| 53 | } | 41 | } |
| 54 | static inline void data_lo(void) | 42 | static inline void data_lo(void) { |
| 55 | { | 43 | IBM4704_DATA_PORT &= ~(1 << IBM4704_DATA_BIT); |
| 56 | IBM4704_DATA_PORT &= ~(1<<IBM4704_DATA_BIT); | 44 | IBM4704_DATA_DDR |= (1 << IBM4704_DATA_BIT); |
| 57 | IBM4704_DATA_DDR |= (1<<IBM4704_DATA_BIT); | ||
| 58 | } | 45 | } |
| 59 | static inline void data_hi(void) | 46 | static inline void data_hi(void) { |
| 60 | { | ||
| 61 | /* input with pull up */ | 47 | /* input with pull up */ |
| 62 | IBM4704_DATA_DDR &= ~(1<<IBM4704_DATA_BIT); | 48 | IBM4704_DATA_DDR &= ~(1 << IBM4704_DATA_BIT); |
| 63 | IBM4704_DATA_PORT |= (1<<IBM4704_DATA_BIT); | 49 | IBM4704_DATA_PORT |= (1 << IBM4704_DATA_BIT); |
| 64 | } | 50 | } |
| 65 | static inline bool data_in(void) | 51 | static inline bool data_in(void) { |
| 66 | { | 52 | IBM4704_DATA_DDR &= ~(1 << IBM4704_DATA_BIT); |
| 67 | IBM4704_DATA_DDR &= ~(1<<IBM4704_DATA_BIT); | 53 | IBM4704_DATA_PORT |= (1 << IBM4704_DATA_BIT); |
| 68 | IBM4704_DATA_PORT |= (1<<IBM4704_DATA_BIT); | ||
| 69 | _delay_us(1); | 54 | _delay_us(1); |
| 70 | return IBM4704_DATA_PIN&(1<<IBM4704_DATA_BIT); | 55 | return IBM4704_DATA_PIN & (1 << IBM4704_DATA_BIT); |
| 71 | } | 56 | } |
| 72 | 57 | ||
| 73 | static inline uint16_t wait_clock_lo(uint16_t us) | 58 | static inline uint16_t wait_clock_lo(uint16_t us) { |
| 74 | { | 59 | while (clock_in() && us) { |
| 75 | while (clock_in() && us) { asm(""); _delay_us(1); us--; } | 60 | asm(""); |
| 61 | _delay_us(1); | ||
| 62 | us--; | ||
| 63 | } | ||
| 76 | return us; | 64 | return us; |
| 77 | } | 65 | } |
| 78 | static inline uint16_t wait_clock_hi(uint16_t us) | 66 | static inline uint16_t wait_clock_hi(uint16_t us) { |
| 79 | { | 67 | while (!clock_in() && us) { |
| 80 | while (!clock_in() && us) { asm(""); _delay_us(1); us--; } | 68 | asm(""); |
| 69 | _delay_us(1); | ||
| 70 | us--; | ||
| 71 | } | ||
| 81 | return us; | 72 | return us; |
| 82 | } | 73 | } |
| 83 | static inline uint16_t wait_data_lo(uint16_t us) | 74 | static inline uint16_t wait_data_lo(uint16_t us) { |
| 84 | { | 75 | while (data_in() && us) { |
| 85 | while (data_in() && us) { asm(""); _delay_us(1); us--; } | 76 | asm(""); |
| 77 | _delay_us(1); | ||
| 78 | us--; | ||
| 79 | } | ||
| 86 | return us; | 80 | return us; |
| 87 | } | 81 | } |
| 88 | static inline uint16_t wait_data_hi(uint16_t us) | 82 | static inline uint16_t wait_data_hi(uint16_t us) { |
| 89 | { | 83 | while (!data_in() && us) { |
| 90 | while (!data_in() && us) { asm(""); _delay_us(1); us--; } | 84 | asm(""); |
| 85 | _delay_us(1); | ||
| 86 | us--; | ||
| 87 | } | ||
| 91 | return us; | 88 | return us; |
| 92 | } | 89 | } |
| 93 | 90 | ||
| 94 | /* idle state that device can send */ | 91 | /* idle state that device can send */ |
| 95 | static inline void idle(void) | 92 | static inline void idle(void) { |
| 96 | { | ||
| 97 | clock_hi(); | 93 | clock_hi(); |
| 98 | data_hi(); | 94 | data_hi(); |
| 99 | } | 95 | } |
| 100 | 96 | ||
| 101 | /* inhibit device to send | 97 | /* inhibit device to send |
| 102 | * keyboard checks Data line on start bit(Data:hi) and it stops sending if Data line is low. | 98 | * keyboard checks Data line on start bit(Data:hi) and it stops sending if Data line is low. |
| 103 | */ | 99 | */ |
| 104 | static inline void inhibit(void) | 100 | static inline void inhibit(void) { |
| 105 | { | ||
| 106 | clock_hi(); | 101 | clock_hi(); |
| 107 | data_lo(); | 102 | data_lo(); |
| 108 | } | 103 | } |
