Adds support for USB device functionality for AT90USB and

ATU2/U4 series devices.

Support tested on a PJRC TEENSY2++ board with AT90USB1286.

Signed-off-by: Rob Lippert <roblip@gmail.com>



git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@9487 35acf78f-673a-0410-8e92-d51de3d6d3f4

3 files changed, 166 insertions, 0 deletions

diff --git a/os/hal/boards/PJRC_TEENSY_2PLUSPLUS/board.c b/os/hal/boards/PJRC_TEENSY_2PLUSPLUS/board.c
new file mode 100644
index 000000000..a16f25305
--- /dev/null
+++ b/os/hal/boards/PJRC_TEENSY_2PLUSPLUS/board.c
@@ -0,0 +1,75 @@
+/*
+    Copyright (C) 2015 Robert Lippert
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+*/
+
+#include "hal.h"
+
+/**
+ * @brief   PAL setup.
+ * @details Digital I/O ports static configuration as defined in @p board.h.
+ *          This variable is used by the HAL when initializing the PAL driver.
+ */
+#if HAL_USE_PAL || defined(__DOXYGEN__)
+const PALConfig pal_default_config =
+{
+#if defined(PORTA)
+  {VAL_PORTA, VAL_DDRA},
+#endif
+#if defined(PORTB)
+  {VAL_PORTB, VAL_DDRB},
+#endif
+#if defined(PORTC)
+  {VAL_PORTC, VAL_DDRC},
+#endif
+#if defined(PORTD)
+  {VAL_PORTD, VAL_DDRD},
+#endif
+#if defined(PORTE)
+  {VAL_PORTE, VAL_DDRE},
+#endif
+#if defined(PORTF)
+  {VAL_PORTF, VAL_DDRF},
+#endif
+#if defined(PORTG)
+  {VAL_PORTG, VAL_DDRG},
+#endif
+#if defined(PORTH)
+  {VAL_PORTH, VAL_DDRH},
+#endif
+#if defined(PORTJ)
+  {VAL_PORTJ, VAL_DDRJ},
+#endif
+#if defined(PORTK)
+  {VAL_PORTK, VAL_DDRK},
+#endif
+#if defined(PORTL)
+  {VAL_PORTL, VAL_DDRL},
+#endif
+};
+#endif /* HAL_USE_PAL */
+
+/**
+ * Board-specific initialization code.
+ */
+void boardInit(void) {
+
+  /*
+   * External interrupts setup, all disabled initially.
+   */
+  EICRA  = 0x00;
+  EICRB  = 0x00;
+  EIMSK  = 0x00;
+
+}
diff --git a/os/hal/boards/PJRC_TEENSY_2PLUSPLUS/board.h b/os/hal/boards/PJRC_TEENSY_2PLUSPLUS/board.h
new file mode 100644
index 000000000..7b20330ee
--- /dev/null
+++ b/os/hal/boards/PJRC_TEENSY_2PLUSPLUS/board.h
@@ -0,0 +1,86 @@
+/*
+    Copyright (C) 2015 Robert Lippert
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+*/
+
+#ifndef BOARD_H_
+#define BOARD_H_
+
+/*
+ * Setup for the PJRC Teensy2++ board.
+ */
+
+/*
+ * Board identifier.
+ */
+#define BOARD_TEENSY_2PLUSPLUS
+#define BOARD_NAME "PJRC Teensy 2++"
+
+/* All inputs with pull-ups */
+#define VAL_DDRA  0x00
+#define VAL_PORTA 0xFF
+
+/* All inputs with pull-ups */
+#define VAL_DDRB  0x00
+#define VAL_PORTB 0xFF
+
+/* All inputs with pull-ups */
+#define VAL_DDRC  0x00
+#define VAL_PORTC 0xFF
+
+/* All inputs with pull-ups, LED on D6, serial TX1 on D3 */
+#define VAL_DDRD  0x48
+#define VAL_PORTD 0xFF
+
+/* All inputs with pull-ups */
+#define VAL_DDRE  0x00
+#define VAL_PORTE 0xFF
+
+/* All inputs with pull-ups */
+#define VAL_DDRF  0x00
+#define VAL_PORTF 0xFF
+
+/* All inputs with pull-ups */
+#define VAL_DDRG  0x00
+#define VAL_PORTG 0xFF
+
+/* All inputs with pull-ups */
+#define VAL_DDRH  0x00
+#define VAL_PORTH 0xFF
+
+/* All inputs with pull-ups */
+#define VAL_DDRJ  0x00
+#define VAL_PORTJ 0xFF
+
+/* All inputs with pull-ups */
+#define VAL_DDRK  0x00
+#define VAL_PORTK 0xFF
+
+/* All inputs with pull-ups */
+#define VAL_DDRL  0x00
+#define VAL_PORTL 0xFF
+
+#define BOARD_LED1        6
+
+#if !defined(_FROM_ASM_)
+#ifdef __cplusplus
+extern "C" {
+#endif
+  void boardInit(void);
+#ifdef __cplusplus
+}
+#endif
+#endif /* _FROM_ASM_ */
+
+#endif /* BOARD_H_ */
diff --git a/os/hal/boards/PJRC_TEENSY_2PLUSPLUS/board.mk b/os/hal/boards/PJRC_TEENSY_2PLUSPLUS/board.mk
new file mode 100644
index 000000000..244324067
--- /dev/null
+++ b/os/hal/boards/PJRC_TEENSY_2PLUSPLUS/board.mk
@@ -0,0 +1,5 @@
+# List of all the board related files.
+BOARDSRC = ${CHIBIOS}/os/hal/boards/PJRC_TEENSY_2PLUSPLUS/board.c
+
+# Required include directories
+BOARDINC = ${CHIBIOS}/os/hal/boards/PJRC_TEENSY_2PLUSPLUS