#ifndef SOFT_SERIAL_H #define SOFT_SERIAL_H #include <stdbool.h> // ///////////////////////////////////////////////////////////////// // 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 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); #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 */