Added RTC module

RTE/Device/GD32F107VC/gd32f10x_rtc.c

@@ -0,0 +1,276 @@
+/*!
+    \file    gd32f10x_rtc.c
+    \brief   RTC driver
+    
+    \version 2014-12-26, V1.0.0, firmware for GD32F10x
+    \version 2017-06-20, V2.0.0, firmware for GD32F10x
+    \version 2018-07-31, V2.1.0, firmware for GD32F10x
+    \version 2020-09-30, V2.2.0, firmware for GD32F10x
+*/
+
+/*
+    Copyright (c) 2020, GigaDevice Semiconductor Inc.
+
+    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 the copyright holder 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 "gd32f10x_rtc.h"
+
+/* RTC register high / low bits mask */
+#define RTC_HIGH_BITS_MASK         ((uint32_t)0x000F0000U)  /* RTC high bits mask */
+#define RTC_LOW_BITS_MASK          ((uint32_t)0x0000FFFFU)  /* RTC low bits mask */
+
+/* RTC register high bits offset */
+#define RTC_HIGH_BITS_OFFSET       ((uint32_t)16U)
+
+/*!
+    \brief      enter RTC configuration mode
+    \param[in]  none
+    \param[out] none
+    \retval     none
+*/
+void rtc_configuration_mode_enter(void)
+{
+    RTC_CTL |= RTC_CTL_CMF;
+}
+
+/*!
+    \brief      exit RTC configuration mode 
+    \param[in]  none
+    \param[out] none
+    \retval     none
+*/
+void rtc_configuration_mode_exit(void)
+{
+    RTC_CTL &= ~RTC_CTL_CMF;
+}
+
+/*!
+    \brief      set RTC counter value
+    \param[in]  cnt: RTC counter value
+    \param[out] none
+    \retval     none
+*/
+void rtc_counter_set(uint32_t cnt)
+{
+    rtc_configuration_mode_enter();
+    /* set the RTC counter high bits */
+    RTC_CNTH = (cnt >> RTC_HIGH_BITS_OFFSET);
+    /* set the RTC counter low bits */
+    RTC_CNTL = (cnt & RTC_LOW_BITS_MASK);
+    rtc_configuration_mode_exit();
+}
+
+/*!
+    \brief      set RTC prescaler value
+    \param[in]  psc: RTC prescaler value
+    \param[out] none
+    \retval     none
+*/
+void rtc_prescaler_set(uint32_t psc)
+{
+    rtc_configuration_mode_enter();
+    /* set the RTC prescaler high bits */
+    RTC_PSCH = ((psc & RTC_HIGH_BITS_MASK) >> RTC_HIGH_BITS_OFFSET);
+    /* set the RTC prescaler low bits */
+    RTC_PSCL = (psc & RTC_LOW_BITS_MASK);
+    rtc_configuration_mode_exit();
+}
+
+/*!
+    \brief      wait RTC last write operation finished flag set
+    \param[in]  none
+    \param[out] none
+    \retval     none
+*/
+void rtc_lwoff_wait(void)
+{
+    /* loop until LWOFF flag is set */
+    while(RESET == (RTC_CTL & RTC_CTL_LWOFF)){
+    }
+}
+
+/*!
+    \brief      wait RTC registers synchronized flag set
+    \param[in]  none
+    \param[out] none
+    \retval     none
+*/
+void rtc_register_sync_wait(void)
+{
+    /* clear RSYNF flag */
+    RTC_CTL &= ~RTC_CTL_RSYNF;
+    /* loop until RSYNF flag is set */
+    while(RESET == (RTC_CTL & RTC_CTL_RSYNF)){
+    }
+}
+
+/*!
+    \brief      set RTC alarm value
+    \param[in]  alarm: RTC alarm value
+    \param[out] none
+    \retval     none
+*/
+void rtc_alarm_config(uint32_t alarm)
+{
+    rtc_configuration_mode_enter();
+    /* set the alarm high bits */
+    RTC_ALRMH = (alarm >> RTC_HIGH_BITS_OFFSET);
+    /* set the alarm low bits */
+    RTC_ALRML = (alarm & RTC_LOW_BITS_MASK);
+    rtc_configuration_mode_exit();
+}
+
+/*!
+    \brief      get RTC counter value
+    \param[in]  none
+    \param[out] none
+    \retval     RTC counter value
+*/
+uint32_t rtc_counter_get(void)
+{
+    uint32_t temp = 0x0U;
+    
+    temp = RTC_CNTL;
+    temp |= (RTC_CNTH << RTC_HIGH_BITS_OFFSET);
+    return temp;
+}
+
+/*!
+    \brief      get RTC divider value
+    \param[in]  none
+    \param[out] none
+    \retval     RTC divider value
+*/
+uint32_t rtc_divider_get(void)
+{
+    uint32_t temp = 0x00U;
+    
+    temp = ((RTC_DIVH & RTC_DIVH_DIV) << RTC_HIGH_BITS_OFFSET);
+    temp |= RTC_DIVL;
+    return temp;
+}
+
+/*!
+    \brief      get RTC flag status 
+    \param[in]  flag: specify which flag status to get
+                only one parameter can be selected which is shown as below:
+      \arg        RTC_FLAG_SECOND: second interrupt flag
+      \arg        RTC_FLAG_ALARM: alarm interrupt flag
+      \arg        RTC_FLAG_OVERFLOW: overflow interrupt flag
+      \arg        RTC_FLAG_RSYN: registers synchronized flag
+      \arg        RTC_FLAG_LWOF: last write operation finished flag
+    \param[out] none
+    \retval     SET or RESET
+*/
+FlagStatus rtc_flag_get(uint32_t flag)
+{
+    if(RESET != (RTC_CTL & flag)){
+        return SET;
+    }else{
+        return RESET;
+    }
+}
+
+/*!
+    \brief      clear RTC flag status
+    \param[in]  flag: specify which flag status to clear
+                one or more parameters can be selected which are shown as below:
+      \arg        RTC_FLAG_SECOND: second interrupt flag
+      \arg        RTC_FLAG_ALARM: alarm interrupt flag
+      \arg        RTC_FLAG_OVERFLOW: overflow interrupt flag
+      \arg        RTC_FLAG_RSYN: registers synchronized flag
+    \param[out] none
+    \retval     none
+*/
+void rtc_flag_clear(uint32_t flag)
+{
+    /* clear RTC flag */
+    RTC_CTL &= ~flag;
+}
+
+/*!
+    \brief      get RTC interrupt flag status 
+    \param[in]  flag: specify which flag status to get
+                only one parameter can be selected which is shown as below:
+      \arg        RTC_INT_FLAG_SECOND: second interrupt flag
+      \arg        RTC_INT_FLAG_ALARM: alarm interrupt flag
+      \arg        RTC_INT_FLAG_OVERFLOW: overflow interrupt flag
+    \param[out] none
+    \retval     SET or RESET
+*/
+FlagStatus rtc_interrupt_flag_get(uint32_t flag)
+{
+    if(RESET != (RTC_CTL & flag)){
+        return SET;
+    }else{
+        return RESET;
+    }
+}
+
+/*!
+    \brief      clear RTC interrupt flag status
+    \param[in]  flag: specify which flag status to clear
+                one or more parameters can be selected which are shown as below:
+      \arg        RTC_INT_FLAG_SECOND: second interrupt flag
+      \arg        RTC_INT_FLAG_ALARM: alarm interrupt flag
+      \arg        RTC_INT_FLAG_OVERFLOW: overflow interrupt flag
+    \param[out] none
+    \retval     none
+*/
+void rtc_interrupt_flag_clear(uint32_t flag)
+{
+    /* clear RTC interrupt flag */
+    RTC_CTL &= ~flag;
+}
+
+/*!
+    \brief      enable RTC interrupt
+    \param[in]  interrupt: specify which interrupt to enbale
+                one or more parameters can be selected which are shown as below:
+      \arg        RTC_INT_SECOND: second interrupt
+      \arg        RTC_INT_ALARM: alarm interrupt
+      \arg        RTC_INT_OVERFLOW: overflow interrupt
+    \param[out] none
+    \retval     none
+*/
+void rtc_interrupt_enable(uint32_t interrupt)
+{
+    RTC_INTEN |= interrupt;
+}
+
+/*!
+    \brief      disable RTC interrupt
+    \param[in]  interrupt: specify which interrupt to disbale
+                one or more parameters can be selected which are shown as below:
+      \arg        RTC_INT_SECOND: second interrupt
+      \arg        RTC_INT_ALARM: alarm interrupt
+      \arg        RTC_INT_OVERFLOW: overflow interrupt
+    \param[out] none
+    \retval     none
+*/
+void rtc_interrupt_disable(uint32_t interrupt)
+{
+    RTC_INTEN &= ~interrupt;
+}

RTE/_Target_1/RTE_Components.h

@@ -38,6 +38,8 @@
 #define RTE_DEVICE_STDPERIPHERALS_PMU
 /* GigaDevice::Device:GD32F10x_StdPeripherals:RCU:2.0.2 */
 #define RTE_DEVICE_STDPERIPHERALS_RCU
+/* GigaDevice::Device:GD32F10x_StdPeripherals:RTC:2.0.2 */
+#define RTE_DEVICE_STDPERIPHERALS_RTC
 /* GigaDevice::Device:GD32F10x_StdPeripherals:USART:2.0.2 */
 #define RTE_DEVICE_STDPERIPHERALS_USART
 /* Keil.ARM Compiler::Compiler:I/O:STDIN:User:1.2.0 */

Test_project_for_GD32107C-EVAL.uvoptx

@@ -153,7 +153,40 @@
           <Name>UL2CM3(-S0 -C0 -P0 -FD20000000 -FC1000 -FN1 -FF0GD32F10x_CL -FS08000000 -FL040000 -FP0($$Device:GD32F107VC$Flash\GD32F10x_CL.FLM))</Name>
         </SetRegEntry>
       </TargetDriverDllRegistry>
-      <Breakpoint/>
+      <Breakpoint>
+        <Bp>
+          <Number>0</Number>
+          <Type>0</Type>
+          <LineNumber>287</LineNumber>
+          <EnabledFlag>1</EnabledFlag>
+          <Address>0</Address>
+          <ByteObject>0</ByteObject>
+          <HtxType>0</HtxType>
+          <ManyObjects>0</ManyObjects>
+          <SizeOfObject>0</SizeOfObject>
+          <BreakByAccess>0</BreakByAccess>
+          <BreakIfRCount>0</BreakIfRCount>
+          <Filename>.\main.c</Filename>
+          <ExecCommand></ExecCommand>
+          <Expression></Expression>
+        </Bp>
+        <Bp>
+          <Number>1</Number>
+          <Type>0</Type>
+          <LineNumber>286</LineNumber>
+          <EnabledFlag>1</EnabledFlag>
+          <Address>0</Address>
+          <ByteObject>0</ByteObject>
+          <HtxType>0</HtxType>
+          <ManyObjects>0</ManyObjects>
+          <SizeOfObject>0</SizeOfObject>
+          <BreakByAccess>0</BreakByAccess>
+          <BreakIfRCount>0</BreakIfRCount>
+          <Filename>.\main.c</Filename>
+          <ExecCommand></ExecCommand>
+          <Expression></Expression>
+        </Bp>
+      </Breakpoint>
       <WatchWindow1>
         <Ww>
           <count>0</count>
@@ -206,7 +239,7 @@
         </Mm>
       </MemoryWindow3>
       <ScvdPack>
-        <Filename>E:\Arm\Packs\ARM\CMSIS-FreeRTOS\10.5.1\CMSIS\RTOS2\FreeRTOS\FreeRTOS.scvd</Filename>
+        <Filename>C:\Users\User\AppData\Local\Arm\Packs\ARM\CMSIS-FreeRTOS\10.5.1\CMSIS\RTOS2\FreeRTOS\FreeRTOS.scvd</Filename>
         <Type>ARM.CMSIS-FreeRTOS.10.5.1</Type>
         <SubType>1</SubType>
       </ScvdPack>
@@ -325,7 +358,7 @@
 
   <Group>
     <GroupName>FreeRTOS</GroupName>
-    <tvExp>1</tvExp>
+    <tvExp>0</tvExp>
     <tvExpOptDlg>0</tvExpOptDlg>
     <cbSel>0</cbSel>
     <RteFlg>0</RteFlg>

Test_project_for_GD32107C-EVAL.uvprojx

@@ -857,6 +857,12 @@
           <targetInfo name="Target 1"/>
         </targetInfos>
       </component>
+      <component Cclass="Device" Cgroup="GD32F10x_StdPeripherals" Csub="RTC" Cvendor="GigaDevice" Cversion="2.0.2" condition="GD32F10x STDPERIPHERALS RCU">
+        <package name="GD32F10x_DFP" schemaVersion="1.2" url="https://gd32mcu.com/data/documents/pack/" vendor="GigaDevice" version="2.0.3"/>
+        <targetInfos>
+          <targetInfo name="Target 1"/>
+        </targetInfos>
+      </component>
       <component Cclass="Device" Cgroup="GD32F10x_StdPeripherals" Csub="USART" Cvendor="GigaDevice" Cversion="2.0.2" condition="GD32F10x STDPERIPHERALS RCU">
         <package name="GD32F10x_DFP" schemaVersion="1.2" url="https://gd32mcu.com/data/documents/pack/" vendor="GigaDevice" version="2.0.3"/>
         <targetInfos>
@@ -959,6 +965,14 @@
           <targetInfo name="Target 1"/>
         </targetInfos>
       </file>
+      <file attr="config" category="source" name="Device\Firmware\Peripherals\src\gd32f10x_rtc.c" version="2.0.2">
+        <instance index="0">RTE\Device\GD32F107VC\gd32f10x_rtc.c</instance>
+        <component Cclass="Device" Cgroup="GD32F10x_StdPeripherals" Csub="RTC" Cvendor="GigaDevice" Cversion="2.0.2" condition="GD32F10x STDPERIPHERALS RCU"/>
+        <package name="GD32F10x_DFP" schemaVersion="1.2" url="https://gd32mcu.com/data/documents/pack/" vendor="GigaDevice" version="2.0.3"/>
+        <targetInfos>
+          <targetInfo name="Target 1"/>
+        </targetInfos>
+      </file>
       <file attr="config" category="source" name="Device\Firmware\Peripherals\src\gd32f10x_usart.c" version="2.0.2">
         <instance index="0">RTE\Device\GD32F107VC\gd32f10x_usart.c</instance>
         <component Cclass="Device" Cgroup="GD32F10x_StdPeripherals" Csub="USART" Cvendor="GigaDevice" Cversion="2.0.2" condition="GD32F10x STDPERIPHERALS RCU"/>

main.c

@@ -190,8 +190,18 @@ static void vInitMCU(void)
 	rcu_periph_clock_enable(RCU_ENET);
 	rcu_periph_clock_enable(RCU_ENETTX);
 	rcu_periph_clock_enable(RCU_ENETRX);
+	rcu_periph_clock_enable(RCU_RTC);
+	rcu_rtc_clock_config(RCU_RTCSRC_LXTAL);
 	
-	/*Configure GPIO Alternate UART function*/
+	/* Configure RTC */	
+	
+	rtc_configuration_mode_enter();
+	rtc_lwoff_wait();
+	rtc_counter_set(0xA5A5A5A5);
+	//rtc_lwoff_wait();
+	rtc_configuration_mode_exit();
+	
+	/* Configure GPIO Alternate UART function */
 	gd_eval_com_init(EVAL_COM1);	
 	gpio_init(GPIOB, GPIO_MODE_IPU, GPIO_OSPEED_2MHZ, BUTTON_USER);
 	
@@ -201,7 +211,7 @@ static void vInitMCU(void)
 	gpio_init(LED5_TICK_PORT, GPIO_MODE_OUT_PP, GPIO_OSPEED_2MHZ, LED5_TICK);		
 	gpio_bit_set(LED5_TICK_PORT, LED5_TICK);
 	
-	/*Enable PLL2 to generate 50MHz clocks */
+	/* Enable PLL2 to generate 50MHz clocks */
 	if (ERROR == xInitPLL2()) FreeRTOS_debug_printf(("PLL2 initialization failed\n"));		
 	
 	/* Put PLL2 clocks into CKOUT0(PA1) as ref clock for ethernet phy */
@@ -209,7 +219,7 @@ static void vInitMCU(void)
 	gpio_ethernet_phy_select(GPIO_ENET_PHY_RMII);
 	
 	/* Configure GPIO Alternate RMII function */
-	gpio_init(RMII_TXD_PORT, 			GPIO_MODE_AF_PP, GPIO_OSPEED_50MHZ, RMII_TX_EN);
+	gpio_init(RMII_TXD_PORT, 			GPIO_MODE_OUT_PP, GPIO_OSPEED_50MHZ, RMII_TX_EN);
 	gpio_init(RMII_TXD_PORT, 			GPIO_MODE_AF_PP, GPIO_OSPEED_50MHZ, RMII_TXD0);
 	gpio_init(RMII_TXD_PORT, 			GPIO_MODE_AF_PP, GPIO_OSPEED_50MHZ, RMII_TXD1);	
 			
@@ -269,14 +279,13 @@ void vTaskToggleLed( void *pvParameters)
 
 static void prvMiscInitialisation( void )
 {
-    unsigned long xTimeNow;
+    UBaseType_t xTimeNow;
     uint32_t ulRandomNumbers[ 4 ];
 
-       /* Seed the random number generator. */
+    /* Seed the random number generator. */
- //   time( &xTimeNow );
+		xTimeNow = rtc_counter_get();
-    FreeRTOS_debug_printf( ("Seed for randomiser: %lu\r\n", xTimeNow ) );
+    FreeRTOS_debug_printf( ("Seed for randomiser: %lu\r\n", xTimeNow ) );		
-		FreeRTOS_debug_printf( ("Seed for randomiser\n") );	
+    prvSRand( ( uint32_t ) xTimeNow );
- //   prvSRand( ( uint32_t ) xTimeNow );
 
     ( void ) xApplicationGetRandomNumber( &ulRandomNumbers[ 0 ] );
     ( void ) xApplicationGetRandomNumber( &ulRandomNumbers[ 1 ] );