Embedded/pikapython
1
0
Fork 0
mirror of https://gitee.com/Lyon1998/pikapython.git synced 2025-01-22 17:12:55 +08:00
Code Issues Packages Projects Releases Wiki Activity
pikapython/bsp/ch582/StdPeriphDriver/CH58x_sys.c

394 lines
8.8 KiB
C
Raw Normal View History

add ch582 support
2022-03-26 20:51:40 +08:00
/********************************** (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.
* SPDX-License-Identifier: Apache-2.0
*******************************************************************************/
#include "CH58x_common.h"
/*********************************************************************
* @fn SetSysClock
*
* @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵͳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>
*
* @param sc - ϵͳʱ<EFBFBD><EFBFBD>Դѡ<EFBFBD><EFBFBD> refer to SYS_CLKTypeDef
*
* @return none
*/
__HIGH_CODE
void SetSysClock(SYS_CLKTypeDef sc)
{
uint32_t i;
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
SAFEOPERATE;
R8_PLL_CONFIG &= ~(1 << 5); //
R8_SAFE_ACCESS_SIG = 0;
if(sc & 0x20)
{ // HSE div
if(!(R8_HFCK_PWR_CTRL & RB_CLK_XT32M_PON))
{
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
SAFEOPERATE;
R8_HFCK_PWR_CTRL |= RB_CLK_XT32M_PON; // HSE power on
for(i = 0; i < 1200; i++)
{
__nop();
__nop();
}
}
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
SAFEOPERATE;
R16_CLK_SYS_CFG = (0 << 6) | (sc & 0x1f);
__nop();
__nop();
__nop();
__nop();
R8_SAFE_ACCESS_SIG = 0;
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
SAFEOPERATE;
R8_FLASH_CFG = 0X51;
R8_SAFE_ACCESS_SIG = 0;
}
else if(sc & 0x40)
{ // PLL div
if(!(R8_HFCK_PWR_CTRL & RB_CLK_PLL_PON))
{
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
SAFEOPERATE;
R8_HFCK_PWR_CTRL |= RB_CLK_PLL_PON; // PLL power on
for(i = 0; i < 2000; i++)
{
__nop();
__nop();
}
}
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
SAFEOPERATE;
R16_CLK_SYS_CFG = (1 << 6) | (sc & 0x1f);
__nop();
__nop();
__nop();
__nop();
R8_SAFE_ACCESS_SIG = 0;
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
SAFEOPERATE;
R8_FLASH_CFG = 0X52;
R8_SAFE_ACCESS_SIG = 0;
}
else
{
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
SAFEOPERATE;
R16_CLK_SYS_CFG |= RB_CLK_SYS_MOD;
}
//<2F><><EFBFBD><EFBFBD>FLASH clk<6C><6B><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
SAFEOPERATE;
R8_PLL_CONFIG |= 1 << 7;
R8_SAFE_ACCESS_SIG = 0;
}
/*********************************************************************
* @fn GetSysClock
*
* @brief <EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD>ǰϵͳʱ<EFBFBD><EFBFBD>
*
* @param none
*
* @return Hz
*/
uint32_t GetSysClock(void)
{
uint16_t rev;
rev = R16_CLK_SYS_CFG & 0xff;
if((rev & 0x40) == (0 << 6))
{ // 32M<32><4D><EFBFBD>з<EFBFBD>Ƶ
return (32000000 / (rev & 0x1f));
}
else if((rev & RB_CLK_SYS_MOD) == (1 << 6))
{ // PLL<4C><4C><EFBFBD>з<EFBFBD>Ƶ
return (480000000 / (rev & 0x1f));
}
else
{ // 32K<32><4B><EFBFBD><EFBFBD>Ƶ
return (32000);
}
}
/*********************************************************************
* @fn SYS_GetInfoSta
*
* @brief <EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD>ǰϵͳ<EFBFBD><EFBFBD>Ϣ״̬
*
* @param i - refer to SYS_InfoStaTypeDef
*
* @return <EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*/
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 ִ<EFBFBD><EFBFBD>ϵͳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ
*
* @param none
*
* @return none
*/
__HIGH_CODE
void SYS_ResetExecute(void)
{
FLASH_ROM_SW_RESET();
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
SAFEOPERATE;
R8_RST_WDOG_CTRL |= RB_SOFTWARE_RESET;
R8_SAFE_ACCESS_SIG = 0;
}
/*********************************************************************
* @fn SYS_DisableAllIrq
*
* @brief <EFBFBD>ر<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>жϣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǰ<EFBFBD>ж<EFBFBD>ֵ
*
* @param pirqv - <EFBFBD><EFBFBD>ǰ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>ֵ
*
* @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 <EFBFBD>ָ<EFBFBD>֮ǰ<EFBFBD>رյ<EFBFBD><EFBFBD>ж<EFBFBD>ֵ
*
* @param irq_status - <EFBFBD><EFBFBD>ǰ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>ֵ
*
* @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 <EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD>ǰϵͳ(SYSTICK)<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ
*
* @param none
*
* @return <EFBFBD><EFBFBD>ǰ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ
*/
uint32_t SYS_GetSysTickCnt(void)
{
uint32_t val;
val = SysTick->CNT;
return (val);
}
/*********************************************************************
* @fn WWDG_ITCfg
*
* @brief <EFBFBD><EFBFBD><EFBFBD>Ź<EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>ʹ<EFBFBD><EFBFBD>
*
* @param s - <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ж<EFBFBD>
*
* @return none
*/
void WWDG_ITCfg(FunctionalState s)
{
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
SAFEOPERATE;
if(s == DISABLE)
{
R8_RST_WDOG_CTRL &= ~RB_WDOG_INT_EN;
}
else
{
R8_RST_WDOG_CTRL |= RB_WDOG_INT_EN;
}
R8_SAFE_ACCESS_SIG = 0;
}
/*********************************************************************
* @fn WWDG_ResetCfg
*
* @brief <EFBFBD><EFBFBD><EFBFBD>Ź<EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*
* @param s - <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD>λ
*
* @return none
*/
void WWDG_ResetCfg(FunctionalState s)
{
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
SAFEOPERATE;
if(s == DISABLE)
{
R8_RST_WDOG_CTRL &= ~RB_WDOG_RST_EN;
}
else
{
R8_RST_WDOG_CTRL |= RB_WDOG_RST_EN;
}
R8_SAFE_ACCESS_SIG = 0;
}
/*********************************************************************
* @fn WWDG_ClearFlag
*
* @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ź<EFBFBD><EFBFBD>жϱ<EFBFBD>־<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD><EFBFBD>ؼ<EFBFBD><EFBFBD><EFBFBD>ֵҲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*
* @param none
*
* @return none
*/
void WWDG_ClearFlag(void)
{
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
SAFEOPERATE;
R8_RST_WDOG_CTRL |= RB_WDOG_INT_FLAG;
R8_SAFE_ACCESS_SIG = 0;
}
/*********************************************************************
* @fn HardFault_Handler
*
* @brief Ӳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>жϣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD>и<EFBFBD>λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD>ϵ縴λ
*
* @param none
*
* @return none
*/
__INTERRUPT
__HIGH_CODE
void HardFault_Handler(void)
{
FLASH_ROM_SW_RESET();
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
SAFEOPERATE;
R16_INT32K_TUNE = 0xFFFF;
R8_RST_WDOG_CTRL |= RB_SOFTWARE_RESET;
R8_SAFE_ACCESS_SIG = 0;
while(1);
}
/*********************************************************************
* @fn mDelayuS
*
* @brief uS <EFBFBD><EFBFBD>ʱ
*
* @param t - ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*
* @return none
*/
__HIGH_CODE
void mDelayuS(uint16_t t)
{
uint32_t i;
#if(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;
#endif
do
{
__nop();
} while(--i);
}
/*********************************************************************
* @fn mDelaymS
*
* @brief mS <EFBFBD><EFBFBD>ʱ
*
* @param t - ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*
* @return none
*/
__HIGH_CODE
void mDelaymS(uint16_t t)
{
uint16_t i;
for(i = 0; i < t; i++)
{
mDelayuS(1000);
}
}
#ifdef DEBUG
void _putchar(char character)
{
#if DEBUG == Debug_UART0
while(R8_UART0_TFC == UART_FIFO_SIZE); /* <20>ȴ<EFBFBD><C8B4><EFBFBD><EFBFBD>ݷ<EFBFBD><DDB7><EFBFBD> */
R8_UART0_THR = (uint8_t)character; /* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
#elif DEBUG == Debug_UART1
while(R8_UART1_TFC == UART_FIFO_SIZE); /* <20>ȴ<EFBFBD><C8B4><EFBFBD><EFBFBD>ݷ<EFBFBD><DDB7><EFBFBD> */
R8_UART1_THR = (uint8_t)character; /* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
#elif DEBUG == Debug_UART2
while(R8_UART2_TFC == UART_FIFO_SIZE); /* <20>ȴ<EFBFBD><C8B4><EFBFBD><EFBFBD>ݷ<EFBFBD><DDB7><EFBFBD> */
R8_UART2_THR = (uint8_t)character; /* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
#elif DEBUG == Debug_UART3
while(R8_UART3_TFC == UART_FIFO_SIZE); /* <20>ȴ<EFBFBD><C8B4><EFBFBD><EFBFBD>ݷ<EFBFBD><DDB7><EFBFBD> */
R8_UART3_THR = (uint8_t)character; /* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
#endif
}
#endif
Reference in New Issue Copy Permalink