Jonathan Piat
/
mbed-src
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mbed-src
by 
mbed official
Revision 348:3dfac0d3ce7b, committed 2014-10-13
- Comitter:
- mbed_official
- Date:
- Mon Oct 13 15:15:07 2014 +0100
- Parent:
- 347:832eef7a1e60
- Child:
- 349:c3cf33937977
- Commit message:
- Synchronized with git revision ecf04d37822721954ac3aed2c56c831c7675ed56
Full URL: https://github.com/mbedmicro/mbed/commit/ecf04d37822721954ac3aed2c56c831c7675ed56/
HAL: [LPC1549, LPC11U68] Add RTC support
Changed in this revision
--- a/targets/hal/TARGET_NXP/TARGET_LPC11U6X/device.h Mon Oct 13 14:30:06 2014 +0100 +++ b/targets/hal/TARGET_NXP/TARGET_LPC11U6X/device.h Mon Oct 13 15:15:07 2014 +0100 @@ -35,7 +35,7 @@ #define DEVICE_CAN 0 -#define DEVICE_RTC 0 +#define DEVICE_RTC 1 #define DEVICE_ETHERNET 0
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/hal/TARGET_NXP/TARGET_LPC11U6X/rtc_api.c Mon Oct 13 15:15:07 2014 +0100
@@ -0,0 +1,64 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * 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 "rtc_api.h"
+
+#if DEVICE_RTC
+
+void rtc_init(void)
+{
+ // Enables clock for RTC
+ LPC_SYSCON->SYSAHBCLKCTRL |= (1 << 30);
+
+ // Software reset
+ LPC_RTC->CTRL |= 1;
+
+ LPC_RTC->COUNT = 0;
+
+ // Enabled RTC
+ LPC_RTC->CTRL |= (1 << 7);
+ // clear reset
+ LPC_RTC->CTRL &= ~1;
+}
+
+void rtc_free(void)
+{
+ LPC_SYSCON->SYSAHBCLKCTRL &= ~(1 << 30);
+ LPC_RTC->CTRL &= ~(1 << 7);
+}
+
+int rtc_isenabled(void)
+{
+ return (((LPC_RTC->CTRL) & 0x80) != 0);
+}
+
+time_t rtc_read(void)
+{
+ return (time_t)LPC_RTC->COUNT;
+}
+
+void rtc_write(time_t t)
+{
+ // Disabled RTC
+ LPC_RTC->CTRL &= ~(1 << 7);
+
+ // Set count
+ LPC_RTC->COUNT = t;
+
+ //Enabled RTC
+ LPC_RTC->CTRL |= (1 << 7);
+}
+
+#endif
--- a/targets/hal/TARGET_NXP/TARGET_LPC15XX/device.h Mon Oct 13 14:30:06 2014 +0100 +++ b/targets/hal/TARGET_NXP/TARGET_LPC15XX/device.h Mon Oct 13 15:15:07 2014 +0100 @@ -36,7 +36,7 @@ #define DEVICE_CAN 1 -#define DEVICE_RTC 0 +#define DEVICE_RTC 1 #define DEVICE_ETHERNET 0
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/hal/TARGET_NXP/TARGET_LPC15XX/rtc_api.c Mon Oct 13 15:15:07 2014 +0100
@@ -0,0 +1,64 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * 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 "rtc_api.h"
+
+#if DEVICE_RTC
+
+void rtc_init(void)
+{
+ // Enables clock for RTC
+ LPC_SYSCON->SYSAHBCLKCTRL0 |= (1 << 23);
+
+ // Software reset
+ LPC_RTC->CTRL |= 1;
+
+ LPC_RTC->COUNT = 0;
+
+ // Enabled RTC
+ LPC_RTC->CTRL |= (1 << 7);
+ // clear reset
+ LPC_RTC->CTRL &= ~1;
+}
+
+void rtc_free(void)
+{
+ LPC_SYSCON->SYSAHBCLKCTRL0 &= ~(1 << 23);
+ LPC_RTC->CTRL &= ~(1 << 7);
+}
+
+int rtc_isenabled(void)
+{
+ return (((LPC_RTC->CTRL) & 0x80) != 0);
+}
+
+time_t rtc_read(void)
+{
+ return (time_t)LPC_RTC->COUNT;
+}
+
+void rtc_write(time_t t)
+{
+ // Disabled RTC
+ LPC_RTC->CTRL &= ~(1 << 7);
+
+ // Set count
+ LPC_RTC->COUNT = t;
+
+ //Enabled RTC
+ LPC_RTC->CTRL |= (1 << 7);
+}
+
+#endif