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-rw-r--r--keyboards/crkbd/serial.h90
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 */