summaryrefslogtreecommitdiffstats
path: root/quantum/split_common/serial.h
diff options
context:
space:
mode:
Diffstat (limited to 'quantum/split_common/serial.h')
-rw-r--r--quantum/split_common/serial.h65
1 files changed, 52 insertions, 13 deletions
diff --git a/quantum/split_common/serial.h b/quantum/split_common/serial.h
index 0b99f352d0..b6638b3bde 100644
--- a/quantum/split_common/serial.h
+++ b/quantum/split_common/serial.h
@@ -1,5 +1,5 @@
-#ifndef MY_SERIAL_H
-#define MY_SERIAL_H
+#ifndef SOFT_SERIAL_H
+#define SOFT_SERIAL_H
#include <stdbool.h>
@@ -7,20 +7,59 @@
// Need Soft Serial defines in config.h
// /////////////////////////////////////////////////////////////////
// ex.
-// /* Configuration of lower interface with the lower layer(hardware) of serial.c */
// #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
//
-// /* Configuration of upper interface with the upper layer of serial.c */
-// #define SERIAL_SLAVE_BUFFER_LENGTH MATRIX_ROWS/2
-// #define SERIAL_MASTER_BUFFER_LENGTH 1
+// //// USE simple API (using signle-type transaction function)
+// /* nothing */
+// //// USE flexible API (using multi-type transaction function)
+// #define SERIAL_USE_MULTI_TRANSACTION
+//
+// /////////////////////////////////////////////////////////////////
-// Buffers for master - slave communication
-extern volatile uint8_t serial_slave_buffer[SERIAL_SLAVE_BUFFER_LENGTH];
-extern volatile uint8_t serial_master_buffer[SERIAL_MASTER_BUFFER_LENGTH];
+// 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))
-void serial_master_init(void);
-void serial_slave_init(void);
-int serial_update_buffers(void);
-bool serial_slave_data_corrupt(void);
+// 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 */