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Update split serial code to use driver pattern (#7990)

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* Move avr serial code to drivers

* Update src+= serial.c to driver pattern
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Joel Challis 2020-01-24 13:50:51 +00:00 • committed by GitHub
parent 4867a9b1e6
commit e4a0f841e1
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3 changed files with 8 additions and 2 deletions
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drivers/avr/serial.h Normal file
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#pragma once
#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 (using signle-type transaction function)
// /* nothing */
// //// USE flexible API (using multi-type transaction function)
// #define SERIAL_USE_MULTI_TRANSACTION
//
// /////////////////////////////////////////////////////////////////
// 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