1 files changed, 127 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/arm/lpc176x/rtc/rtc-config.c b/c/src/lib/libbsp/arm/lpc176x/rtc/rtc-config.c
new file mode 100644
index 0000000000..4abdd1dd35
--- /dev/null
+++ b/c/src/lib/libbsp/arm/lpc176x/rtc/rtc-config.c
@@ -0,0 +1,127 @@
+/**
+ * @file
+ *
+ * @ingroup lpc176x
+ *
+ * @brief RTC configuration.
+ */
+
+/*
+ * Copyright (c) 2008
+ * Embedded Brains GmbH
+ * Obere Lagerstr. 30
+ * D-82178 Puchheim
+ * Germany
+ * rtems@embedded-brains.de
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.com/license/LICENSE.
+ */
+
+#include <libchip/rtc.h>
+#include <bsp/io.h>
+
+#define LPC176X_RTC_NUMBER 1U
+
+void bsp_rtc_initialize( void );
+int bsp_rtc_get_time( rtems_time_of_day *tod );
+int bsp_rtc_set_time( const rtems_time_of_day *tod );
+bool bsp_rtc_probe( void );
+
+/**
+ * @brief Initialize the rtc device.
+ */
+void bsp_rtc_initialize( void )
+{
+  /* Enable module power */
+  lpc176x_module_enable( LPC176X_MODULE_RTC, LPC176X_MODULE_PCLK_DEFAULT );
+
+  /* Enable the RTC and use external clock */
+  RTC_CCR = RTC_CCR_CLKEN | RTC_CCR_CLKSRC;
+
+  /* Disable interrupts */
+  RTC_CIIR = 0U;
+  RTC_CISS = 0U;
+  RTC_AMR = 0xFFU;
+
+  /* Clear interrupts */
+  RTC_ILR = RTC_ILR_RTCCIF | RTC_ILR_RTCALF | RTC_ILR_RTSSF;
+}
+
+/**
+ * @brief Gets the information according to the current time.
+ *
+ * @param  tod Value to be modified.
+ * @return  0
+ */
+int bsp_rtc_get_time( rtems_time_of_day *tod )
+{
+  tod->ticks = 0;
+  tod->second = RTC_SEC;
+  tod->minute = RTC_MIN;
+  tod->hour = RTC_HOUR;
+  tod->day = RTC_DOM;
+  tod->month = RTC_MONTH;
+  tod->year = RTC_YEAR;
+
+  return 0;
+}
+
+/**
+ * @brief Sets the information according to the current time.
+ *
+ * @param  tod Value to get the new information.
+ * @return  0
+ */
+int bsp_rtc_set_time( const rtems_time_of_day *tod )
+{
+  RTC_SEC = tod->second;
+  RTC_MIN = tod->minute;
+  RTC_HOUR = tod->hour;
+  RTC_DOM = tod->day;
+  RTC_MONTH = tod->month;
+  RTC_YEAR = tod->year;
+
+  return 0;
+}
+
+/**
+ * @brief Used to probe. At the moment is not used.
+ *
+ * @return true.
+ */
+bool bsp_rtc_probe( void )
+{
+  return true;
+}
+
+/**
+ * @brief Represents the real time clock options.
+ */
+const rtc_fns lpc176x_rtc_ops = {
+  .deviceInitialize = (void *) bsp_rtc_initialize,
+  .deviceGetTime = (void *) bsp_rtc_get_time,
+  .deviceSetTime = (void *) bsp_rtc_set_time
+};
+
+size_t RTC_Count = LPC176X_RTC_NUMBER;
+
+rtems_device_minor_number RTC_Minor = 0;
+
+/**
+ * @brief Table to describes the rtc device.
+ */
+rtc_tbl RTC_Table[ LPC176X_RTC_NUMBER ] = {
+  {
+    .sDeviceName = "/dev/rtc",
+    .deviceType = RTC_CUSTOM,
+    .pDeviceFns = &lpc176x_rtc_ops,
+    .deviceProbe = (void *) bsp_rtc_probe,
+    .pDeviceParams = NULL,
+    .ulCtrlPort1 = 0,
+    .ulDataPort = 0,
+    .getRegister = NULL,
+    .setRegister = NULL
+  }
+};