diff options
Diffstat (limited to 'CH5xx_ble_firmware_library/StdPeriphDriver/CH58x_sys.c')
| -rw-r--r-- | CH5xx_ble_firmware_library/StdPeriphDriver/CH58x_sys.c | 396 |
1 files changed, 396 insertions, 0 deletions
diff --git a/CH5xx_ble_firmware_library/StdPeriphDriver/CH58x_sys.c b/CH5xx_ble_firmware_library/StdPeriphDriver/CH58x_sys.c new file mode 100644 index 0000000..3608e36 --- /dev/null +++ b/CH5xx_ble_firmware_library/StdPeriphDriver/CH58x_sys.c @@ -0,0 +1,396 @@ +/********************************** (C) COPYRIGHT *******************************
+ * File Name : CH58x_SYS.c
+ * Author : WCH
+ * Version : V1.2
+ * Date : 2021/11/17
+ * Description
+ *********************************************************************************
+ * Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
+ * Attention: This software (modified or not) and binary are used for
+ * microcontroller manufactured by Nanjing Qinheng Microelectronics.
+ *******************************************************************************/
+
+#include "CH58x_common.h"
+
+/*********************************************************************
+ * @fn SetSysClock
+ *
+ * @brief 配置系统运行时钟
+ *
+ * @param sc - 系统时钟源选择 refer to SYS_CLKTypeDef
+ *
+ * @return none
+ */
+__HIGH_CODE
+void SetSysClock(SYS_CLKTypeDef sc)
+{
+ uint32_t i;
+ sys_safe_access_enable();
+ R8_PLL_CONFIG &= ~(1 << 5); //
+ sys_safe_access_disable();
+ if(sc & 0x20)
+ { // HSE div
+ if(!(R8_HFCK_PWR_CTRL & RB_CLK_XT32M_PON))
+ {
+ sys_safe_access_enable();
+ R8_HFCK_PWR_CTRL |= RB_CLK_XT32M_PON; // HSE power on
+ for(i = 0; i < 1200; i++)
+ {
+ __nop();
+ __nop();
+ }
+ }
+
+ sys_safe_access_enable();
+ R16_CLK_SYS_CFG = (0 << 6) | (sc & 0x1f);
+ __nop();
+ __nop();
+ __nop();
+ __nop();
+ sys_safe_access_disable();
+ sys_safe_access_enable();
+ SAFEOPERATE;
+ R8_FLASH_CFG = 0X51;
+ sys_safe_access_disable();
+ }
+
+ else if(sc & 0x40)
+ { // PLL div
+ if(!(R8_HFCK_PWR_CTRL & RB_CLK_PLL_PON))
+ {
+ sys_safe_access_enable();
+ R8_HFCK_PWR_CTRL |= RB_CLK_PLL_PON; // PLL power on
+ for(i = 0; i < 2000; i++)
+ {
+ __nop();
+ __nop();
+ }
+ }
+ sys_safe_access_enable();
+ R16_CLK_SYS_CFG = (1 << 6) | (sc & 0x1f);
+ __nop();
+ __nop();
+ __nop();
+ __nop();
+ sys_safe_access_disable();
+ if(sc == CLK_SOURCE_PLL_80MHz)
+ {
+ sys_safe_access_enable();
+ R8_FLASH_CFG = 0X02;
+ sys_safe_access_disable();
+ }
+ else
+ {
+ sys_safe_access_enable();
+ R8_FLASH_CFG = 0X52;
+ sys_safe_access_disable();
+ }
+ }
+ else
+ {
+ sys_safe_access_enable();
+ R16_CLK_SYS_CFG |= RB_CLK_SYS_MOD;
+ }
+ //更改FLASH clk的驱动能力
+ sys_safe_access_enable();
+ R8_PLL_CONFIG |= 1 << 7;
+ sys_safe_access_disable();
+}
+
+/*********************************************************************
+ * @fn GetSysClock
+ *
+ * @brief 获取当前系统时钟
+ *
+ * @param none
+ *
+ * @return Hz
+ */
+uint32_t GetSysClock(void)
+{
+ uint16_t rev;
+
+ rev = R16_CLK_SYS_CFG & 0xff;
+ if((rev & 0x40) == (0 << 6))
+ { // 32M进行分频
+ return (32000000 / (rev & 0x1f));
+ }
+ else if((rev & RB_CLK_SYS_MOD) == (1 << 6))
+ { // PLL进行分频
+ return (480000000 / (rev & 0x1f));
+ }
+ else
+ { // 32K做主频
+ return (32000);
+ }
+}
+
+/*********************************************************************
+ * @fn SYS_GetInfoSta
+ *
+ * @brief 获取当前系统信息状态
+ *
+ * @param i - refer to SYS_InfoStaTypeDef
+ *
+ * @return 是否开启
+ */
+uint8_t SYS_GetInfoSta(SYS_InfoStaTypeDef i)
+{
+ if(i == STA_SAFEACC_ACT)
+ {
+ return (R8_SAFE_ACCESS_SIG & RB_SAFE_ACC_ACT);
+ }
+ else
+ {
+ return (R8_GLOB_CFG_INFO & (1 << i));
+ }
+}
+
+/*********************************************************************
+ * @fn SYS_ResetExecute
+ *
+ * @brief 执行系统软件复位
+ *
+ * @param none
+ *
+ * @return none
+ */
+__HIGH_CODE
+void SYS_ResetExecute(void)
+{
+ FLASH_ROM_SW_RESET();
+ sys_safe_access_enable();
+ R8_RST_WDOG_CTRL |= RB_SOFTWARE_RESET;
+ sys_safe_access_disable();
+}
+
+/*********************************************************************
+ * @fn SYS_DisableAllIrq
+ *
+ * @brief 关闭所有中断，并保留当前中断值
+ *
+ * @param pirqv - 当前保留中断值
+ *
+ * @return none
+ */
+void SYS_DisableAllIrq(uint32_t *pirqv)
+{
+ *pirqv = (PFIC->ISR[0] >> 8) | (PFIC->ISR[1] << 24);
+ PFIC->IRER[0] = 0xffffffff;
+ PFIC->IRER[1] = 0xffffffff;
+}
+
+/*********************************************************************
+ * @fn SYS_RecoverIrq
+ *
+ * @brief 恢复之前关闭的中断值
+ *
+ * @param irq_status - 当前保留中断值
+ *
+ * @return none
+ */
+void SYS_RecoverIrq(uint32_t irq_status)
+{
+ PFIC->IENR[0] = (irq_status << 8);
+ PFIC->IENR[1] = (irq_status >> 24);
+}
+
+/*********************************************************************
+ * @fn SYS_GetSysTickCnt
+ *
+ * @brief 获取当前系统(SYSTICK)计数值
+ *
+ * @param none
+ *
+ * @return 当前计数值
+ */
+uint32_t SYS_GetSysTickCnt(void)
+{
+ uint32_t val;
+
+ val = SysTick->CNT;
+ return (val);
+}
+
+/*********************************************************************
+ * @fn WWDG_ITCfg
+ *
+ * @brief 看门狗定时器溢出中断使能
+ *
+ * @param s - 溢出是否中断
+ *
+ * @return none
+ */
+void WWDG_ITCfg(FunctionalState s)
+{
+ uint8_t ctrl = R8_RST_WDOG_CTRL;
+
+ if(s == DISABLE)
+ {
+ ctrl &= ~RB_WDOG_INT_EN;
+ }
+ else
+ {
+ ctrl |= RB_WDOG_INT_EN;
+ }
+
+ sys_safe_access_enable();
+ R8_RST_WDOG_CTRL = ctrl;
+ sys_safe_access_disable();
+}
+
+/*********************************************************************
+ * @fn WWDG_ResetCfg
+ *
+ * @brief 看门狗定时器复位功能
+ *
+ * @param s - 溢出是否复位
+ *
+ * @return none
+ */
+void WWDG_ResetCfg(FunctionalState s)
+{
+ uint8_t ctrl = R8_RST_WDOG_CTRL;
+
+ if(s == DISABLE)
+ {
+ ctrl &= ~RB_WDOG_RST_EN;
+ }
+ else
+ {
+ ctrl |= RB_WDOG_RST_EN;
+ }
+
+ sys_safe_access_enable();
+ R8_RST_WDOG_CTRL = ctrl;
+ sys_safe_access_disable();
+}
+
+/*********************************************************************
+ * @fn WWDG_ClearFlag
+ *
+ * @brief 清除看门狗中断标志，重新加载计数值也可清除
+ *
+ * @param none
+ *
+ * @return none
+ */
+void WWDG_ClearFlag(void)
+{
+ sys_safe_access_enable();
+ R8_RST_WDOG_CTRL |= RB_WDOG_INT_FLAG;
+ sys_safe_access_disable();
+}
+
+/*********************************************************************
+ * @fn HardFault_Handler
+ *
+ * @brief 硬件错误中断，进入后执行复位，复位类型为上电复位
+ *
+ * @param none
+ *
+ * @return none
+ */
+__INTERRUPT
+__HIGH_CODE
+__attribute__((weak))
+void HardFault_Handler(void)
+{
+ FLASH_ROM_SW_RESET();
+ sys_safe_access_enable();
+ R16_INT32K_TUNE = 0xFFFF;
+ sys_safe_access_enable();
+ R8_RST_WDOG_CTRL |= RB_SOFTWARE_RESET;
+ sys_safe_access_disable();
+ while(1);
+}
+
+/*********************************************************************
+ * @fn mDelayuS
+ *
+ * @brief uS 延时
+ *
+ * @param t - 时间参数
+ *
+ * @return none
+ */
+__HIGH_CODE
+void mDelayuS(uint16_t t)
+{
+ uint32_t i;
+#if(FREQ_SYS == 80000000)
+ i = t * 20;
+#elif(FREQ_SYS == 60000000)
+ i = t * 15;
+#elif(FREQ_SYS == 48000000)
+ i = t * 12;
+#elif(FREQ_SYS == 40000000)
+ i = t * 10;
+#elif(FREQ_SYS == 32000000)
+ i = t << 3;
+#elif(FREQ_SYS == 24000000)
+ i = t * 6;
+#elif(FREQ_SYS == 16000000)
+ i = t << 2;
+#elif(FREQ_SYS == 8000000)
+ i = t << 1;
+#elif(FREQ_SYS == 4000000)
+ i = t;
+#elif(FREQ_SYS == 2000000)
+ i = t >> 1;
+#elif(FREQ_SYS == 1000000)
+ i = t >> 2;
+#else
+ i = t << 1;
+#endif
+ do
+ {
+ __nop();
+ } while(--i);
+}
+
+/*********************************************************************
+ * @fn mDelaymS
+ *
+ * @brief mS 延时
+ *
+ * @param t - 时间参数
+ *
+ * @return none
+ */
+__HIGH_CODE
+void mDelaymS(uint16_t t)
+{
+ uint16_t i;
+
+ for(i = 0; i < t; i++)
+ {
+ mDelayuS(1000);
+ }
+}
+
+#ifdef DEBUG
+int _write(int fd, char *buf, int size)
+{
+ int i;
+ for(i = 0; i < size; i++)
+ {
+#if DEBUG == Debug_UART0
+ while(R8_UART0_TFC == UART_FIFO_SIZE); /* 等待数据发送 */
+ R8_UART0_THR = *buf++; /* 发送数据 */
+#elif DEBUG == Debug_UART1
+ while(R8_UART1_TFC == UART_FIFO_SIZE); /* 等待数据发送 */
+ R8_UART1_THR = *buf++; /* 发送数据 */
+#elif DEBUG == Debug_UART2
+ while(R8_UART2_TFC == UART_FIFO_SIZE); /* 等待数据发送 */
+ R8_UART2_THR = *buf++; /* 发送数据 */
+#elif DEBUG == Debug_UART3
+ while(R8_UART3_TFC == UART_FIFO_SIZE); /* 等待数据发送 */
+ R8_UART3_THR = *buf++; /* 发送数据 */
+#endif
+ }
+ return size;
+}
+
+#endif
+
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