teralytic
mbed library sources. Supersedes mbed-src.
Diff: targets/hal/TARGET_WIZNET/TARGET_W7500x/us_ticker.c
- Revision:
- 144:ef7eb2e8f9f7
- Parent:
- 0:9b334a45a8ff
--- a/targets/hal/TARGET_WIZNET/TARGET_W7500x/us_ticker.c Tue Aug 02 14:07:36 2016 +0000
+++ b/targets/hal/TARGET_WIZNET/TARGET_W7500x/us_ticker.c Fri Sep 02 15:07:44 2016 +0100
@@ -1,136 +1,136 @@
-/* mbed Microcontroller Library
- *******************************************************************************
- * Copyright (c) 2015 WIZnet Co.,Ltd. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. 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.
- * 3. Neither the name of ARM Limited 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 <stddef.h>
-#include "us_ticker_api.h"
-#include "PeripheralNames.h"
-#include "system_W7500x.h"
-#include "W7500x_dualtimer.h"
-#include "W7500x_pwm.h"
-
-#define TIMER_0 DUALTIMER0_0
-#define TIMER_1 PWM_CH1
-#define TIMER_IRQn DUALTIMER0_IRQn
-
-static PWM_TimerModeInitTypeDef TimerInitType;
-static DUALTIMER_InitTypDef TimerHandler;
-
-static int us_ticker_inited = 0;
-
-
-#ifdef __cplusplus
-extern "C"{
-#endif
-
-void DUALTIMER0_Handler(void)
-{
- if(DUALTIMER_GetIntStatus(DUALTIMER0_0))
- {
- DUALTIMER_IntClear(DUALTIMER0_0);
- us_ticker_irq_handler();
- }
-}
-
-#ifdef __cplusplus
-}
-#endif
-
-void us_ticker_init(void)
-{
- if (us_ticker_inited) return;
- us_ticker_inited = 1;
-
- SystemCoreClockUpdate();
- TimerInitType.PWM_CHn_PR = (GetSystemClock() / 1000000) -1;
- TimerInitType.PWM_CHn_LR = 0xFFFFFFFF;
- TimerInitType.PWM_CHn_PDMR = 1;
-
- PWM_TimerModeInit(TIMER_1, &TimerInitType);
- PWM_CHn_Start(TIMER_1);
-}
-
-
-uint32_t us_ticker_read()
-{
- if (!us_ticker_inited) us_ticker_init();
- return (TIMER_1->TCR);
-}
-
-
-void us_ticker_set_interrupt(timestamp_t timestamp)
-{
- int32_t dev = 0;
-
- if (!us_ticker_inited)
- {
- us_ticker_init();
- }
-
- dev = (int32_t)(timestamp - us_ticker_read());
- dev = dev * ((GetSystemClock() / 1000000) / 16);
-
- if(dev <= 0)
- {
- us_ticker_irq_handler();
- return;
- }
-
- DUALTIMER_ClockEnable(TIMER_0);
- DUALTIMER_Stop(TIMER_0);
-
- TimerHandler.TimerControl_Mode = DUALTIMER_TimerControl_Periodic;
- TimerHandler.TimerControl_OneShot = DUALTIMER_TimerControl_OneShot;
- TimerHandler.TimerControl_Pre = DUALTIMER_TimerControl_Pre_16;
- TimerHandler.TimerControl_Size = DUALTIMER_TimerControl_Size_32;
-
- TimerHandler.TimerLoad = (uint32_t)dev;
-
- DUALTIMER_Init(TIMER_0, &TimerHandler);
-
- DUALTIMER_IntConfig(TIMER_0, ENABLE);
-
- NVIC_EnableIRQ(TIMER_IRQn);
-
- DUALTIMER_Start(TIMER_0);
-
-
-}
-
-void us_ticker_disable_interrupt(void)
-{
- NVIC_DisableIRQ(TIMER_IRQn);
-
- DUALTIMER_IntConfig(TIMER_0, DISABLE);
-}
-
-void us_ticker_clear_interrupt(void)
-{
- DUALTIMER_IntClear(TIMER_0);
-}
+/* mbed Microcontroller Library
+ *******************************************************************************
+ * Copyright (c) 2015 WIZnet Co.,Ltd. All rights reserved.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 3. Neither the name of ARM Limited 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 <stddef.h>
+#include "us_ticker_api.h"
+#include "PeripheralNames.h"
+#include "system_W7500x.h"
+#include "W7500x_dualtimer.h"
+#include "W7500x_pwm.h"
+
+#define TIMER_0 DUALTIMER0_0
+#define TIMER_1 PWM_CH1
+#define TIMER_IRQn DUALTIMER0_IRQn
+
+static PWM_TimerModeInitTypeDef TimerInitType;
+static DUALTIMER_InitTypDef TimerHandler;
+
+static int us_ticker_inited = 0;
+
+
+#ifdef __cplusplus
+extern "C"{
+#endif
+
+void DUALTIMER0_Handler(void)
+{
+ if(DUALTIMER_GetIntStatus(DUALTIMER0_0))
+ {
+ DUALTIMER_IntClear(DUALTIMER0_0);
+ us_ticker_irq_handler();
+ }
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+void us_ticker_init(void)
+{
+ if (us_ticker_inited) return;
+ us_ticker_inited = 1;
+
+ SystemCoreClockUpdate();
+ TimerInitType.PWM_CHn_PR = (GetSystemClock() / 1000000) -1;
+ TimerInitType.PWM_CHn_LR = 0xFFFFFFFF;
+ TimerInitType.PWM_CHn_PDMR = 1;
+
+ PWM_TimerModeInit(TIMER_1, &TimerInitType);
+ PWM_CHn_Start(TIMER_1);
+}
+
+
+uint32_t us_ticker_read()
+{
+ if (!us_ticker_inited) us_ticker_init();
+ return (TIMER_1->TCR);
+}
+
+
+void us_ticker_set_interrupt(timestamp_t timestamp)
+{
+ int32_t dev = 0;
+
+ if (!us_ticker_inited)
+ {
+ us_ticker_init();
+ }
+
+ dev = (int32_t)(timestamp - us_ticker_read());
+ dev = dev * ((GetSystemClock() / 1000000) / 16);
+
+ if(dev <= 0)
+ {
+ us_ticker_irq_handler();
+ return;
+ }
+
+ DUALTIMER_ClockEnable(TIMER_0);
+ DUALTIMER_Stop(TIMER_0);
+
+ TimerHandler.TimerControl_Mode = DUALTIMER_TimerControl_Periodic;
+ TimerHandler.TimerControl_OneShot = DUALTIMER_TimerControl_OneShot;
+ TimerHandler.TimerControl_Pre = DUALTIMER_TimerControl_Pre_16;
+ TimerHandler.TimerControl_Size = DUALTIMER_TimerControl_Size_32;
+
+ TimerHandler.TimerLoad = (uint32_t)dev;
+
+ DUALTIMER_Init(TIMER_0, &TimerHandler);
+
+ DUALTIMER_IntConfig(TIMER_0, ENABLE);
+
+ NVIC_EnableIRQ(TIMER_IRQn);
+
+ DUALTIMER_Start(TIMER_0);
+
+
+}
+
+void us_ticker_disable_interrupt(void)
+{
+ NVIC_DisableIRQ(TIMER_IRQn);
+
+ DUALTIMER_IntConfig(TIMER_0, DISABLE);
+}
+
+void us_ticker_clear_interrupt(void)
+{
+ DUALTIMER_IntClear(TIMER_0);
+}