From aa38e5c1f48e31213ee349aa5cd6f06c85bda70d Mon Sep 17 00:00:00 2001
From: android <android@lingyun.com>
Date: Tue, 25 Jun 2024 21:49:39 +0800
Subject: [PATCH] Add GD32F103RCT6 ADC converter board SDK source code
---
mcu_sdk/gd32f103/rk_eFire/Board/CMSIS/RTOS2/Source/os_systick.c | 132 ++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 132 insertions(+), 0 deletions(-)
diff --git a/mcu_sdk/gd32f103/rk_eFire/Board/CMSIS/RTOS2/Source/os_systick.c b/mcu_sdk/gd32f103/rk_eFire/Board/CMSIS/RTOS2/Source/os_systick.c
new file mode 100644
index 0000000..f114caa
--- /dev/null
+++ b/mcu_sdk/gd32f103/rk_eFire/Board/CMSIS/RTOS2/Source/os_systick.c
@@ -0,0 +1,132 @@
+/**************************************************************************//**
+ * @file os_systick.c
+ * @brief CMSIS OS Tick SysTick implementation
+ * @version V1.0.1
+ * @date 24. November 2017
+ ******************************************************************************/
+/*
+ * Copyright (c) 2017-2017 ARM Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * 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
+ *
+ * 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 "os_tick.h"
+
+//lint -emacro((923,9078),SCB,SysTick) "cast from unsigned long to pointer"
+#include "RTE_Components.h"
+#include CMSIS_device_header
+
+#ifdef SysTick
+
+#ifndef SYSTICK_IRQ_PRIORITY
+#define SYSTICK_IRQ_PRIORITY 0xFFU
+#endif
+
+static uint8_t PendST;
+
+// Setup OS Tick.
+__WEAK int32_t OS_Tick_Setup (uint32_t freq, IRQHandler_t handler) {
+ uint32_t load;
+ (void)handler;
+
+ if (freq == 0U) {
+ //lint -e{904} "Return statement before end of function"
+ return (-1);
+ }
+
+ load = (SystemCoreClock / freq) - 1U;
+ if (load > 0x00FFFFFFU) {
+ //lint -e{904} "Return statement before end of function"
+ return (-1);
+ }
+
+ // Set SysTick Interrupt Priority
+#if ((defined(__ARM_ARCH_8M_MAIN__) && (__ARM_ARCH_8M_MAIN__ != 0)) || \
+ (defined(__CORTEX_M) && (__CORTEX_M == 7U)))
+ SCB->SHPR[11] = SYSTICK_IRQ_PRIORITY;
+#elif (defined(__ARM_ARCH_8M_BASE__) && (__ARM_ARCH_8M_BASE__ != 0))
+ SCB->SHPR[1] |= ((uint32_t)SYSTICK_IRQ_PRIORITY << 24);
+#elif ((defined(__ARM_ARCH_7M__) && (__ARM_ARCH_7M__ != 0)) || \
+ (defined(__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ != 0)))
+ SCB->SHP[11] = SYSTICK_IRQ_PRIORITY;
+#elif (defined(__ARM_ARCH_6M__) && (__ARM_ARCH_6M__ != 0))
+ SCB->SHP[1] |= ((uint32_t)SYSTICK_IRQ_PRIORITY << 24);
+#else
+#error "Unknown ARM Core!"
+#endif
+
+ SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk | SysTick_CTRL_TICKINT_Msk;
+ SysTick->LOAD = load;
+ SysTick->VAL = 0U;
+
+ PendST = 0U;
+
+ return (0);
+}
+
+/// Enable OS Tick.
+__WEAK void OS_Tick_Enable (void) {
+
+ if (PendST != 0U) {
+ PendST = 0U;
+ SCB->ICSR = SCB_ICSR_PENDSTSET_Msk;
+ }
+
+ SysTick->CTRL |= SysTick_CTRL_ENABLE_Msk;
+}
+
+/// Disable OS Tick.
+__WEAK void OS_Tick_Disable (void) {
+
+ SysTick->CTRL &= ~SysTick_CTRL_ENABLE_Msk;
+
+ if ((SCB->ICSR & SCB_ICSR_PENDSTSET_Msk) != 0U) {
+ SCB->ICSR = SCB_ICSR_PENDSTCLR_Msk;
+ PendST = 1U;
+ }
+}
+
+// Acknowledge OS Tick IRQ.
+__WEAK void OS_Tick_AcknowledgeIRQ (void) {
+ (void)SysTick->CTRL;
+}
+
+// Get OS Tick IRQ number.
+__WEAK int32_t OS_Tick_GetIRQn (void) {
+ return ((int32_t)SysTick_IRQn);
+}
+
+// Get OS Tick clock.
+__WEAK uint32_t OS_Tick_GetClock (void) {
+ return (SystemCoreClock);
+}
+
+// Get OS Tick interval.
+__WEAK uint32_t OS_Tick_GetInterval (void) {
+ return (SysTick->LOAD + 1U);
+}
+
+// Get OS Tick count value.
+__WEAK uint32_t OS_Tick_GetCount (void) {
+ uint32_t load = SysTick->LOAD;
+ return (load - SysTick->VAL);
+}
+
+// Get OS Tick overflow status.
+__WEAK uint32_t OS_Tick_GetOverflow (void) {
+ return ((SysTick->CTRL >> 16) & 1U);
+}
+
+#endif // SysTick
--
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