added NRF52 pwm, icu, i2c, radio esb drivers

3 files changed, 253 insertions, 0 deletions

diff --git a/os/hal/boards/NRF52-E73-2G4M04S/board.c b/os/hal/boards/NRF52-E73-2G4M04S/board.c
new file mode 100644
index 0000000..adf002d
--- /dev/null
+++ b/os/hal/boards/NRF52-E73-2G4M04S/board.c
@@ -0,0 +1,81 @@
+/*
+    Copyright (C) 2016 Stéphane D'Alu
+
+    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 : XTAL (32MHz)   */
+        PAL_MODE_UNCONNECTED,         /* P0.1 : XTAL (32MHz)   */
+        PAL_MODE_UNCONNECTED,         /* P0.2                  */
+        PAL_MODE_UNCONNECTED,         /* P0.3                  */
+        PAL_MODE_UNCONNECTED,         /* P0.4                  */
+        PAL_MODE_OUTPUT_PUSHPULL,     /* P0.5 : UART_RTS       */
+        PAL_MODE_OUTPUT_PUSHPULL,     /* P0.6 : UART_TX        */
+        PAL_MODE_INPUT_PULLUP,        /* P0.7 : UART_CTS       */
+        PAL_MODE_INPUT_PULLUP,        /* P0.8 : UART_RX        */
+        PAL_MODE_UNCONNECTED,         /* P0.9                  */
+        PAL_MODE_UNCONNECTED,         /* P0.10                 */
+        PAL_MODE_UNCONNECTED,         /* P0.11                 */
+        PAL_MODE_UNCONNECTED,         /* P0.12                 */
+        PAL_MODE_INPUT,        	      /* P0.13: BTN1           */
+        PAL_MODE_INPUT,               /* P0.14: BTN2           */
+        PAL_MODE_INPUT_PULLUP,        /* P0.15: BTN3           */
+        PAL_MODE_INPUT_PULLUP,        /* P0.16: BTN4           */
+        PAL_MODE_OUTPUT_PUSHPULL,     /* P0.17: LED1           */
+        PAL_MODE_OUTPUT_PUSHPULL,     /* P0.18: LED2           */
+        PAL_MODE_OUTPUT_PUSHPULL,     /* P0.19: LED3           */
+        PAL_MODE_OUTPUT_PUSHPULL,     /* P0.20: LED4           */
+        PAL_MODE_UNCONNECTED,         /* P0.21                 */
+        PAL_MODE_OUTPUT_PUSHPULL,     /* P0.22: SPI_SS         */
+        PAL_MODE_INPUT_PULLUP,        /* P0.23: SPI_MISO       */
+        PAL_MODE_OUTPUT_PUSHPULL,     /* P0.24: SPI_MOSI       */
+        PAL_MODE_OUTPUT_PUSHPULL,     /* P0.25: SPI_SCK        */
+        PAL_MODE_OUTPUT_OPENDRAIN,    /* P0.26: SDA            */
+        PAL_MODE_OUTPUT_OPENDRAIN,    /* P0.27: SCL            */
+        PAL_MODE_UNCONNECTED,         /* P0.28                 */
+        PAL_MODE_UNCONNECTED,         /* P0.29                 */
+        PAL_MODE_UNCONNECTED,         /* P0.30                 */
+        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)
+{
+}
diff --git a/os/hal/boards/NRF52-E73-2G4M04S/board.h b/os/hal/boards/NRF52-E73-2G4M04S/board.h
new file mode 100644
index 0000000..c78909f
--- /dev/null
+++ b/os/hal/boards/NRF52-E73-2G4M04S/board.h
@@ -0,0 +1,164 @@
+/*
+    Copyright (C) 2016 Stephane D'Alu
+
+    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_NRF52_EBYTE_E73
+#define BOARD_NAME             "nRF52 EBYTE E73-2G4M04S"
+
+/* Board oscillators-related settings. */
+#define NRF5_XTAL_VALUE        32000000
+#define NRF5_HFCLK_SOURCE      NRF5_HFCLK_HFXO
+#define NRF5_LFCLK_SOURCE      NRF5_LFCLK_XTAL
+
+#define NRF5_HFCLK_HFINT       0
+#define NRF5_HFCLK_HFXO        1
+
+#define NRF5_LFCLK_RC          0
+#define NRF5_LFCLK_XTAL        1
+#define NRF5_LFCLK_SYNTH       2
+
+/*
+ * GPIO pins. 
+ */
+/* Defined by board */
+#define BTN1           13U
+#define BTN2           14U
+#define BTN3           15U
+#define BTN4           16U
+#define LED1           17U
+#define LED2           18U
+#define LED3           19U
+#define LED4           20U
+#define UART_RTS        5U
+#define UART_TX         6U
+#define UART_CTS        7U
+#define UART_RX         8U
+#define NFC1            9U
+#define NFC2           10U
+#define I2C_SCL        27U
+#define I2C_SDA        26U
+
+/* Our definitions */
+#define SPI_SCK        25U
+#define SPI_MOSI       24U
+#define SPI_MISO       23U
+#define SPI_SS         22U
+
+/* Analog input */
+#define AIN0            2U
+#define AIN1            3U
+#define AIN2            4U
+#define AIN3            5U
+#define AIN4           28U
+#define AIN5           29U
+#define AIN6           30U
+#define AIN7           31U
+#define AREF0         AIN0
+#define AREF1         AIN1
+
+/*
+ * IO pins assignments.
+ */
+/* Defined by board */
+#define IOPORT1_BTN1           13U
+#define IOPORT1_BTN2           14U
+#define IOPORT1_BTN3           15U
+#define IOPORT1_BTN4           16U
+#define IOPORT1_LED1           17U
+#define IOPORT1_LED2           18U
+#define IOPORT1_LED3           19U
+#define IOPORT1_LED4           20U
+#define IOPORT1_UART_RTS        5U
+#define IOPORT1_UART_TX         6U
+#define IOPORT1_UART_CTS        7U
+#define IOPORT1_UART_RX         8U
+#define IOPORT1_NFC1            9U
+#define IOPORT1_NFC2           10U
+#define IOPORT1_I2C_SCL        27U
+#define IOPORT1_I2C_SDA        26U
+#define IOPORT1_RESET          21U
+
+/* Our definitions */
+#define IOPORT1_SPI_SCK        25U
+#define IOPORT1_SPI_MOSI       24U
+#define IOPORT1_SPI_MISO       23U
+#define IOPORT1_SPI_SS         22U
+
+/* Analog inpupt */
+#define IOPORT1_AIN0            2U
+#define IOPORT1_AIN1            3U
+#define IOPORT1_AIN2            4U
+#define IOPORT1_AIN3            5U
+#define IOPORT1_AIN4           28U
+#define IOPORT1_AIN5           29U
+#define IOPORT1_AIN6           30U
+#define IOPORT1_AIN7           31U
+#define IOPORT1_AREF0           IOPORT1_AIN0
+#define IOPORT1_AREF1           IOPORT1_AIN1
+
+/*
+ * IO lines assignments.
+ */
+/* Board defined */
+#define LINE_BTN1      PAL_LINE(IOPORT1, IOPORT1_BTN1)
+#define LINE_BTN2      PAL_LINE(IOPORT1, IOPORT1_BTN2)
+#define LINE_BTN3      PAL_LINE(IOPORT1, IOPORT1_BTN3)
+#define LINE_BTN4      PAL_LINE(IOPORT1, IOPORT1_BTN4)
+#define LINE_LED1      PAL_LINE(IOPORT1, IOPORT1_LED1)
+#define LINE_LED2      PAL_LINE(IOPORT1, IOPORT1_LED2)
+#define LINE_LED3      PAL_LINE(IOPORT1, IOPORT1_LED3)
+#define LINE_LED4      PAL_LINE(IOPORT1, IOPORT1_LED4)
+#define LINE_UART_RTS  PAL_LINE(IOPORT1, IOPORT1_UART_RTS)
+#define LINE_UART_TX   PAL_LINE(IOPORT1, IOPORT1_UART_TX)
+#define LINE_UART_CTS  PAL_LINE(IOPORT1, IOPORT1_UART_CTS)
+#define LINE_UART_RX   PAL_LINE(IOPORT1, IOPORT1_UART_RX)
+#define LINE_NFC1      PAL_LINE(IOPORT1, IOPORT1_NFC1)
+#define LINE_NFC2      PAL_LINE(IOPORT1, IOPORT1_NFC2)
+#define LINE_I2C_SCL   PAL_LINE(IOPORT1, IOPORT1_I2C_SCL)
+#define LINE_I2C_SDA   PAL_LINE(IOPORT1, IOPORT1_I2C_SDA)
+
+/* Our definitions */
+#define LINE_SPI_SCK   PAL_LINE(IOPORT1, IOPORT1_SPI_SCK)
+#define LINE_SPI_MOSI  PAL_LINE(IOPORT1, IOPORT1_SPI_MOSI)
+#define LINE_SPI_MISO  PAL_LINE(IOPORT1, IOPORT1_SPI_MISO)
+#define LINE_SPI_SS    PAL_LINE(IOPORT1, IOPORT1_SPI_SS)
+
+/* Analog line */
+#define LINE_AIN0      PAL_LINE(IOPORT1, IOPORT1_AIN0)
+#define LINE_AIN1      PAL_LINE(IOPORT1, IOPORT1_AIN1)
+#define LINE_AIN2      PAL_LINE(IOPORT1, IOPORT1_AIN2)
+#define LINE_AIN3      PAL_LINE(IOPORT1, IOPORT1_AIN3)
+#define LINE_AIN4      PAL_LINE(IOPORT1, IOPORT1_AIN4)
+#define LINE_AIN5      PAL_LINE(IOPORT1, IOPORT1_AIN5)
+#define LINE_AIN6      PAL_LINE(IOPORT1, IOPORT1_AIN6)
+#define LINE_AIN7      PAL_LINE(IOPORT1, IOPORT1_AIN7)
+#define LINE_AREF0     PAL_LINE(IOPORT1, IOPORT1_AREF0)
+#define LINE_AREF1     PAL_LINE(IOPORT1, IOPORT1_AREF1)
+
+#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/NRF52-E73-2G4M04S/board.mk b/os/hal/boards/NRF52-E73-2G4M04S/board.mk
new file mode 100644
index 0000000..8876668
--- /dev/null
+++ b/os/hal/boards/NRF52-E73-2G4M04S/board.mk
@@ -0,0 +1,8 @@
+# List of all the board related files.
+BOARDSRC =  ${CHIBIOS_CONTRIB}/os/hal/boards/NRF52-E73-2G4M04S/board.c
+
+# Required include directories
+BOARDINC = ${CHIBIOS_CONTRIB}/os/hal/boards/NRF52-E73-2G4M04S
+
+ALLCSRC += $(BOARDSRC)
+ALLINC += $(BOARDINC)