From 2cb4707f92ffc65b2f160a7d1ea7d6b28892b548 Mon Sep 17 00:00:00 2001
From: Jeff Epler <jepler@gmail.com>
Date: Thu, 17 Sep 2020 10:57:16 -0500
Subject: Message: add extended address flag

---
 shared-module/_canio/Message.c | 13 ++++++++++++-
 shared-module/_canio/Message.h |  9 ++++++---
 2 files changed, 18 insertions(+), 4 deletions(-)

(limited to 'shared-module')

diff --git a/shared-module/_canio/Message.c b/shared-module/_canio/Message.c
index 1ac5b8178..c0403b519 100644
--- a/shared-module/_canio/Message.c
+++ b/shared-module/_canio/Message.c
@@ -28,11 +28,12 @@
 
 #include <string.h>
 
-void common_hal_canio_message_construct(canio_message_obj_t *self, int id, void *data, size_t size, bool rtr)
+void common_hal_canio_message_construct(canio_message_obj_t *self, int id, void *data, size_t size, bool rtr, bool extended)
 {
     self->id = id;
     self->size = size;
     self->rtr = rtr;
+    self->extended = extended;
     if (data) {
         memcpy(self->data, data, size);
     } else {
@@ -84,3 +85,13 @@ void common_hal_canio_message_rtr_set(canio_message_obj_t *self, bool rtr)
 {
     self->rtr = rtr;
 }
+
+bool common_hal_canio_message_extended_get(const canio_message_obj_t *self)
+{
+    return self->extended;
+}
+
+void common_hal_canio_message_extended_set(canio_message_obj_t *self, bool extended)
+{
+    self->extended = extended;
+}
diff --git a/shared-module/_canio/Message.h b/shared-module/_canio/Message.h
index e846f1095..b9fd8eaf2 100644
--- a/shared-module/_canio/Message.h
+++ b/shared-module/_canio/Message.h
@@ -31,17 +31,20 @@
 typedef struct {
     mp_obj_base_t base;
     int id;
-    size_t size;
     uint8_t data[8];
-    bool rtr;
+    size_t size:4;
+    bool rtr:1;
+    bool extended:1;
 } canio_message_obj_t;
 
-void common_hal_canio_message_construct(canio_message_obj_t *self, int id, void *data, size_t size, bool rtr);
+void common_hal_canio_message_construct(canio_message_obj_t *self, int id, void *data, size_t size, bool rtr, bool extended);
 bool common_hal_canio_message_rtr_get(const canio_message_obj_t *self);
+bool common_hal_canio_message_extended_get(const canio_message_obj_t *self);
 int common_hal_canio_message_id_get(const canio_message_obj_t *self);
 const void *common_hal_canio_message_data_get(const canio_message_obj_t *self);
 size_t common_hal_canio_message_size_get(const canio_message_obj_t *self);
 void common_hal_canio_message_rtr_set(canio_message_obj_t *self, bool rtr);
+void common_hal_canio_message_extended_set(canio_message_obj_t *self, bool extended);
 void common_hal_canio_message_id_set(canio_message_obj_t *self, int id);
 void common_hal_canio_message_data_set(canio_message_obj_t *self, const void *data, size_t size);
 void common_hal_canio_message_size_set(canio_message_obj_t *self, size_t size);
-- 
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