diff options
Diffstat (limited to 'keyboards/crkbd/serial.h')
| -rw-r--r-- | keyboards/crkbd/serial.h | 90 |
1 files changed, 71 insertions, 19 deletions
diff --git a/keyboards/crkbd/serial.h b/keyboards/crkbd/serial.h index 43e51f7fa4..7e0c0847a4 100644 --- a/keyboards/crkbd/serial.h +++ b/keyboards/crkbd/serial.h @@ -1,32 +1,84 @@ -#ifndef MY_SERIAL_H -#define MY_SERIAL_H +#ifndef SOFT_SERIAL_H +#define SOFT_SERIAL_H -#include "config.h" #include <stdbool.h> -/* TODO: some defines for interrupt setup */ -#define SERIAL_PIN_DDR DDRD -#define SERIAL_PIN_PORT PORTD -#define SERIAL_PIN_INPUT PIND +// ///////////////////////////////////////////////////////////////// +// Need Soft Serial defines in config.h +// ///////////////////////////////////////////////////////////////// +// ex. +// #define SOFT_SERIAL_PIN ?? // ?? = D0,D1,D2,D3,E6 +// OPTIONAL: #define SELECT_SOFT_SERIAL_SPEED ? // ? = 1,2,3,4,5 +// // 1: about 137kbps (default) +// // 2: about 75kbps +// // 3: about 39kbps +// // 4: about 26kbps +// // 5: about 20kbps +// +// //// USE Simple API (OLD API, compatible with let's split serial.c) +// ex. +// #define SERIAL_SLAVE_BUFFER_LENGTH MATRIX_ROWS/2 +// #define SERIAL_MASTER_BUFFER_LENGTH 1 +// +// //// USE flexible API (using multi-type transaction function) +// #define SERIAL_USE_MULTI_TRANSACTION +// +// ///////////////////////////////////////////////////////////////// -#ifndef USE_SERIAL_PD2 -#define SERIAL_PIN_MASK _BV(PD0) -#define SERIAL_PIN_INTERRUPT INT0_vect -#else -#define SERIAL_PIN_MASK _BV(PD2) -#define SERIAL_PIN_INTERRUPT INT2_vect -#endif - -#define SERIAL_SLAVE_BUFFER_LENGTH MATRIX_ROWS/2 -#define SERIAL_MASTER_BUFFER_LENGTH MATRIX_ROWS/2 -// Buffers for master - slave communication +#ifndef SERIAL_USE_MULTI_TRANSACTION +/* --- USE Simple API (OLD API, compatible with let's split serial.c) */ +#if SERIAL_SLAVE_BUFFER_LENGTH > 0 extern volatile uint8_t serial_slave_buffer[SERIAL_SLAVE_BUFFER_LENGTH]; +#endif +#if SERIAL_MASTER_BUFFER_LENGTH > 0 extern volatile uint8_t serial_master_buffer[SERIAL_MASTER_BUFFER_LENGTH]; +#endif void serial_master_init(void); void serial_slave_init(void); int serial_update_buffers(void); -bool serial_slave_data_corrupt(void); +#endif // USE Simple API + +// Soft Serial Transaction Descriptor +typedef struct _SSTD_t { + uint8_t *status; + uint8_t initiator2target_buffer_size; + uint8_t *initiator2target_buffer; + uint8_t target2initiator_buffer_size; + uint8_t *target2initiator_buffer; +} SSTD_t; +#define TID_LIMIT( table ) (sizeof(table) / sizeof(SSTD_t)) + +// initiator is transaction start side +void soft_serial_initiator_init(SSTD_t *sstd_table, int sstd_table_size); +// target is interrupt accept side +void soft_serial_target_init(SSTD_t *sstd_table, int sstd_table_size); + +// initiator resullt +#define TRANSACTION_END 0 +#define TRANSACTION_NO_RESPONSE 0x1 +#define TRANSACTION_DATA_ERROR 0x2 +#define TRANSACTION_TYPE_ERROR 0x4 +#ifndef SERIAL_USE_MULTI_TRANSACTION +int soft_serial_transaction(void); +#else +int soft_serial_transaction(int sstd_index); #endif + +// target status +// *SSTD_t.status has +// initiator: +// TRANSACTION_END +// or TRANSACTION_NO_RESPONSE +// or TRANSACTION_DATA_ERROR +// target: +// TRANSACTION_DATA_ERROR +// or TRANSACTION_ACCEPTED +#define TRANSACTION_ACCEPTED 0x8 +#ifdef SERIAL_USE_MULTI_TRANSACTION +int soft_serial_get_and_clean_status(int sstd_index); +#endif + +#endif /* SOFT_SERIAL_H */ |