added prescaler for 16 bit pwm in LPC1347 target

Fork of mbed-dev by mbed official

Revision:
144:ef7eb2e8f9f7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/hal/TARGET_Freescale/TARGET_KSDK2_MCUS/TARGET_KL43Z/drivers/fsl_cop.c	Fri Sep 02 15:07:44 2016 +0100
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2015, Freescale Semiconductor, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * o Redistributions of source code must retain the above copyright notice, this list
+ *   of conditions and the following disclaimer.
+ *
+ * o Redistributions in binary form must reproduce the above copyright notice, this
+ *   list of conditions and the following disclaimer in the documentation and/or
+ *   other materials provided with the distribution.
+ *
+ * o Neither the name of Freescale Semiconductor, Inc. nor the names of its
+ *   contributors may be used to endorse or promote products derived from this
+ *   software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "fsl_cop.h"
+
+/*******************************************************************************
+ * Code
+ ******************************************************************************/
+
+void COP_GetDefaultConfig(cop_config_t *config)
+{
+    assert(config);
+
+    config->enableWindowMode = false;
+#if defined(FSL_FEATURE_COP_HAS_LONGTIME_MODE) && FSL_FEATURE_COP_HAS_LONGTIME_MODE
+    config->timeoutMode = kCOP_LongTimeoutMode;
+    config->enableStop = false;
+    config->enableDebug = false;
+#endif /* FSL_FEATURE_COP_HAS_LONGTIME_MODE */
+    config->clockSource = kCOP_LpoClock;
+    config->timeoutCycles = kCOP_2Power10CyclesOr2Power18Cycles;
+}
+
+void COP_Init(SIM_Type *base, const cop_config_t *config)
+{
+    assert(config);
+
+    uint32_t value = 0U;
+
+#if defined(FSL_FEATURE_COP_HAS_LONGTIME_MODE) && FSL_FEATURE_COP_HAS_LONGTIME_MODE
+    value = SIM_COPC_COPW(config->enableWindowMode) | SIM_COPC_COPCLKS(config->timeoutMode) |
+            SIM_COPC_COPT(config->timeoutCycles) | SIM_COPC_COPSTPEN(config->enableStop) |
+            SIM_COPC_COPDBGEN(config->enableDebug) | SIM_COPC_COPCLKSEL(config->clockSource);
+#else
+    value = SIM_COPC_COPW(config->enableWindowMode) | SIM_COPC_COPCLKS(config->clockSource) |
+            SIM_COPC_COPT(config->timeoutCycles);
+#endif /* FSL_FEATURE_COP_HAS_LONGTIME_MODE */
+    base->COPC = value;
+}
+
+void COP_Refresh(SIM_Type *base)
+{
+    uint32_t primaskValue = 0U;
+
+    /* Disable the global interrupt to protect refresh sequence */
+    primaskValue = DisableGlobalIRQ();
+    base->SRVCOP = COP_FIRST_BYTE_OF_REFRESH;
+    base->SRVCOP = COP_SECOND_BYTE_OF_REFRESH;
+    EnableGlobalIRQ(primaskValue);
+}