first commit

2026-08-16 13:13:45 +02:00 · 2022-08-06 13:35:32 +08:00
commit 2240710d39
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+/*---------------------------------------
+- WeAct Studio Official Link
+- taobao: weactstudio.taobao.com
+- aliexpress: weactstudio.aliexpress.com
+- github: github.com/WeActTC
+- gitee: gitee.com/WeAct-TC
+- blog: www.weact-tc.cn
+---------------------------------------*/
+
+#include "gd32f10x.h"
+#include "systick.h"
+
+volatile uint32_t _tick = 0;
+
+/*!
+    \brief      configure systick
+    \param[in]  none
+    \param[out] none
+    \retval     none
+*/
+void systick_config(void)
+{
+    /* setup systick timer for (SysTick_Freq) Hz interrupts */
+    if (SysTick_Config(SystemCoreClock / SysTick_Freq))
+    {
+        /* capture error */
+        while (1)
+        {
+        }
+    }
+    /* configure the systick handler priority */
+    NVIC_SetPriority(SysTick_IRQn, 0x05U);
+}
+
+/*!
+    \brief      delay a time in milliseconds
+    \param[in]  count: count in milliseconds
+    \param[out] none
+    \retval     none
+*/
+void delay(uint32_t count)
+{
+    uint32_t utick;
+    utick = count + systick_get_tick();
+
+    while (systick_get_tick() < utick)
+    {
+    }
+}
+
+/*!
+    \brief      delay a time in milliseconds with low power
+    \param[in]  count: count in milliseconds
+    \param[out] none
+    \retval     none
+*/
+void delay_lp(uint32_t count)
+{
+    uint32_t utick;
+    utick = count + systick_get_tick();
+
+    while (systick_get_tick() < utick)
+    {
+        pmu_to_sleepmode(WFI_CMD);
+    }
+}
+
+/*!
+    \brief      delay decrement
+    \param[in]  none
+    \param[out] none
+    \retval     none
+*/
+void delay_decrement(void)
+{
+    _tick++;
+}
+
+/*!
+    \brief      get systick tick
+    \param[in]  none
+    \param[out] none
+    \retval     none
+*/
+
+uint32_t systick_get_tick(void)
+{
+    return _tick;
+}
+
+void systick_DisableIRQ(void)
+{
+    /* Disable SysTick Interrupt */
+    SysTick->CTRL &= ~SysTick_CTRL_TICKINT_Msk;
+}
+
+void systick_EnableIRQ(void)
+{
+    /* Enable SysTick Interrupt */
+    SysTick->CTRL |= SysTick_CTRL_TICKINT_Msk;
+}
+
+void systick_Disable(void)
+{
+    /* Disable SysTick */
+    SysTick->CTRL &= ~SysTick_CTRL_ENABLE_Msk;
+}
+
+void systick_Enable(void)
+{
+    /* Enable SysTick */
+    SysTick->CTRL |= SysTick_CTRL_ENABLE_Msk;
+}
+
+void systick_deinit(void)
+{
+    SysTick->CTRL = 0;
+    SysTick->LOAD = 0;
+    SysTick->VAL = 0;
+}