license: update source file and licensing files

[libsi24] / libsi24.h

diff --git a/libsi24.h b/libsi24.h
index d862537..6d25244 100644 (file)
--- a/libsi24.h
+++ b/libsi24.h
@@ -1,11 +1,20 @@
-/**
- * File              : libsi24.h
- * Author            : Robin Krens <robin@robinkrens.nl>
- * Date              : 18.01.2023
- * Last Modified Date: 22.01.2023
- * Last Modified By  : Robin Krens <robin@robinkrens.nl>
+/* Copyright (C) 
+ * 2023 - Robin Krens
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ * 
  */
-
 #include <stddef.h>
 
 #if defined(__cplusplus)
@@ -30,8 +39,8 @@ enum si24_mode_t {
 typedef enum si24_mode_t si24_mode_t;
 
 enum si24_crc_t {
-    ONE_BYTE = 1,
-    TWO_BYTE = 2
+    ONE_BYTE = 0,
+    TWO_BYTE = 1
 };
 
 typedef enum si24_crc_t si24_crc_t;
@@ -61,6 +70,7 @@ enum si24_event_type_t {
     EV_RX_COMPLETE = 0,
     EV_TX_COMPLETE,
     EV_TX_FULL,
+    EV_RX_EMPTY,
     EV_ERR_TIMEOUT,
     EV_ERR_BUS,
     EV_ERR_MAX_RETRIES,
@@ -86,7 +96,7 @@ typedef union si24_event_t si24_event_t;
 /* low level IO control */
 typedef struct {
     int (*write_and_read)(unsigned char *data, size_t sz);
-    int (*chip_enable)(unsigned val);
+    void (*chip_enable)(unsigned val);
 } si24_ioctl_t;
 
 typedef struct {
@@ -102,7 +112,7 @@ typedef struct {
     unsigned payload;
     unsigned timeout; /* 1: 250 us, 15: 4000 us */
     unsigned retries; /* 1 to 15 */
-    unsigned mac_addr;
+    unsigned char mac_addr[5];
 } si24_opts_t;
 
 /* private data structure */