NRF51 DK board

3 files changed, 147 insertions, 0 deletions

diff --git a/os/hal/boards/NRF51-DK/board.c b/os/hal/boards/NRF51-DK/board.c
new file mode 100644
index 0000000..7c18a6b
--- /dev/null
+++ b/os/hal/boards/NRF51-DK/board.c
@@ -0,0 +1,85 @@
+/*
+    Copyright (C) 2015 Fabio Utzig
+
+    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"
+
+#if HAL_USE_PAL || defined(__DOXYGEN__)
+/**
+ * @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.
+ */
+const PALConfig pal_default_config =
+{
+  .pads = {
+        PAL_MODE_UNCONNECTED,         /* P0.0                  */
+        PAL_MODE_UNCONNECTED,         /* P0.1                  */
+        PAL_MODE_UNCONNECTED,         /* P0.2                  */
+        PAL_MODE_UNCONNECTED,         /* P0.3                  */
+        PAL_MODE_UNCONNECTED,         /* P0.4                  */
+        PAL_MODE_UNCONNECTED,         /* P0.5                  */
+        PAL_MODE_UNCONNECTED,         /* P0.6                  */
+        PAL_MODE_OUTPUT_OPENDRAIN,    /* P0.7 : SCL            */
+        PAL_MODE_OUTPUT_PUSHPULL,     /* P0.8 : UART_RTS       */
+        PAL_MODE_OUTPUT_PUSHPULL,     /* P0.9 : UART_TX        */
+        PAL_MODE_INPUT_PULLUP,        /* P0.10: UART_CTS       */
+        PAL_MODE_INPUT_PULLUP,        /* P0.11: UART_RX        */
+        PAL_MODE_UNCONNECTED,         /* P0.12                 */
+        PAL_MODE_UNCONNECTED,         /* P0.13                 */
+        PAL_MODE_UNCONNECTED,         /* P0.14                 */
+        PAL_MODE_UNCONNECTED,         /* P0.15                 */
+        PAL_MODE_UNCONNECTED,         /* P0.16                 */
+        PAL_MODE_INPUT_PULLUP,        /* P0.17: BTN1           */
+        PAL_MODE_INPUT_PULLUP,        /* P0.18: BTN2           */
+        PAL_MODE_INPUT_PULLUP,        /* P0.19: BTN3           */
+        PAL_MODE_INPUT_PULLUP,        /* P0.20: BTN4           */
+        PAL_MODE_OUTPUT_PUSHPULL,     /* P0.21: LED1           */
+        PAL_MODE_OUTPUT_PUSHPULL,     /* P0.22: LED2           */
+        PAL_MODE_OUTPUT_PUSHPULL,     /* P0.23: LED3           */
+        PAL_MODE_OUTPUT_PUSHPULL,     /* P0.24: LED4 | SPI_SEL */
+        PAL_MODE_OUTPUT_PUSHPULL,     /* P0.25: SPI_MOSI       */
+        PAL_MODE_UNCONNECTED,         /* P0.26: XTAL (32MHz)   */
+        PAL_MODE_UNCONNECTED,         /* P0.27: XTAL (32MHz)   */
+        PAL_MODE_INPUT_PULLUP,        /* P0.28: SPI_MISO       */
+        PAL_MODE_OUTPUT_PUSHPULL,     /* P0.29: SPI_SCK        */
+        PAL_MODE_OUTPUT_OPENDRAIN,    /* P0.30: SDA            */
+        PAL_MODE_UNCONNECTED,         /* P0.31                 */
+  },
+};
+#endif
+
+/**
+ * @brief   Early initialization code.
+ * @details This initialization is performed just after reset before BSS and
+ *          DATA segments initialization.
+ */
+void __early_init(void)
+{
+}
+
+/**
+ * @brief   Late initialization code.
+ * @note    This initialization is performed after BSS and DATA segments
+ *          initialization and before invoking the main() function.
+ */
+void boardInit(void)
+{
+  //FIXME: not really needed yet
+  //NRF_CLOCK->XTALFREQ = 0xff;
+  //NRF_CLOCK->EVENTS_HFCLKSTARTED = 0;
+  //NRF_CLOCK->TASKS_HFCLKSTART = 1;
+  //while (!NRF_CLOCK->EVENTS_HFCLKSTARTED) {}
+}
diff --git a/os/hal/boards/NRF51-DK/board.h b/os/hal/boards/NRF51-DK/board.h
new file mode 100644
index 0000000..5e0c738
--- /dev/null
+++ b/os/hal/boards/NRF51-DK/board.h
@@ -0,0 +1,57 @@
+/*
+    Copyright (C) 2015 Fabio Utzig
+
+    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_
+
+/* Board identifier. */
+#define BOARD_NRF51_DK
+#define BOARD_NAME              "nRF51 DK"
+
+/* Board oscillators-related settings. */
+#define XTAL_VALUE              16000000
+
+/* GPIO pins. */
+#define BTN1           17
+#define BTN2           18
+#define BTN3           19
+#define BTN4           20
+#define LED1           21
+#define LED2           22
+#define LED3           23
+#define LED4           24
+#define UART_RTS        8
+#define UART_TX         9
+#define UART_CTS       10
+#define UART_RX        11
+#define SPI_SCK        29
+#define SPI_MOSI       25
+#define SPI_MISO       28
+#define SPI_SS         24
+#define I2C_SCL         7
+#define I2C_SDA        30
+
+#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/NRF51-DK/board.mk b/os/hal/boards/NRF51-DK/board.mk
new file mode 100644
index 0000000..4d20da3
--- /dev/null
+++ b/os/hal/boards/NRF51-DK/board.mk
@@ -0,0 +1,5 @@
+# List of all the board related files.
+BOARDSRC = ${CHIBIOS_CONTRIB}/os/hal/boards/NRF51-DK/board.c
+
+# Required include directories
+BOARDINC = ${CHIBIOS_CONTRIB}/os/hal/boards/NRF51-DK