HC32L170Bootloader/source/src/bsp.c

#include "sysctrl.h"
#include "gpio.h"
#include "flash.h"
#include "bsp.h"
#include "lpuart.h"
#include "bt.h"
#include "wdt.h"

extern void DebugUartIRQ(uint8_t Data);
extern void BleIRQHandler(uint8_t rData);
extern void SysTick_CallBack(void);
extern void KeyIRQHandler(void);

static  __IO uint32_t SysTickCnt = 0;
static __IO bool LpUart0_Tx_Flag;

#define	WAKEUP_TIME_ARR			1000
#define	USE_RCL_TRIM				0
#define	DBG_LOG(...)

#if (SYSCLK == SYSCLK_RCH)

static void SystemClkInit(en_sysctrl_rch_freq_t enRchFreq)
{
    ///< RCH时钟不同频率的切换，需要先将时钟切换到RCL
    Sysctrl_SetRCLTrim(SysctrlRclFreq32768);
    Sysctrl_SetRCLStableTime(SysctrlRclStableCycle64);
    Sysctrl_ClkSourceEnable(SysctrlClkRCL, TRUE);
    Sysctrl_SysClkSwitch(SysctrlClkRCL);
    
    ///< 加载目标频率的RCH的TRIM值
    Sysctrl_SetRCHTrim(enRchFreq);
    ///< 使能RCH
    Sysctrl_ClkSourceEnable(SysctrlClkRCH, TRUE);
    ///< 时钟切换到RCH
    Sysctrl_SysClkSwitch(SysctrlClkRCH);
    
    ///< HCLK不超过24M：此处设置FLASH读等待周期为0 cycle
    Flash_WaitCycle(FlashWaitCycle0);
}

#elif (SYSCLK == SYSCLK_XTH)

static void SystemClkInit(en_sysctrl_xth_freq_t enXthFreq)
{
	///<======================== 切换至XTH32MHz ==============================    
	///< 当使用的时钟源HCLK大于24M：设置FLASH 读等待周期为1 cycle(默认值也为1 cycle)
	if(SysctrlXthFreq24_32MHz == enXthFreq)
	{
		Flash_WaitCycle(FlashWaitCycle1);    
	}
	
	///< 切换时钟前（根据外部高速晶振）设置XTH频率范围,配置晶振参数，使能目标时钟，此处为SYSTEM_XTH = 32MHz
	Sysctrl_SetXTHFreq(enXthFreq);
	Sysctrl_XTHDriverCfg(SysctrlXtalDriver3);
	Sysctrl_SetXTHStableTime(SysctrlXthStableCycle16384);
	Sysctrl_ClkSourceEnable(SysctrlClkXTH, TRUE);
	delay1ms(10);
	Sysctrl_SysClkSwitch(SysctrlClkXTH);
	
	if(SysctrlXthFreq24_32MHz != enXthFreq)
	{
		Flash_WaitCycle(FlashWaitCycle0);    
	}
	//M0P_SYSCTRL->SYSCTRL0_f.WAKEUP_BYRCH = 0;			//唤醒保持原时钟
}

#elif (SYSCLK == SYSCLK_PLL)
///<请注意根据外部晶振配置宏——[SYSTEM_XTH],如果使用PLL，XTH必须小于24MHz
static void SystemClkInit(void)
{
    stc_sysctrl_pll_cfg_t stcPLLCfg;    
    
    ///< 切换时钟前（根据外部高速晶振）设置XTH频率范围,配置晶振参数，使能目标时钟，此处为SYSTEM_XTH = 32MHz
//    Sysctrl_SetXTHFreq(SysctrlXthFreq4_8MHz);
//    Sysctrl_XTHDriverCfg(SysctrlXtalDriver3);
//    Sysctrl_SetXTHStableTime(SysctrlXthStableCycle16384);
//		Sysctrl_ClkSourceEnable(SysctrlClkXTH, TRUE);
		Sysctrl_SetRCHTrim(SysctrlRchFreq8MHz);
		Sysctrl_ClkSourceEnable(SysctrlClkRCH, TRUE);

    delay1ms(10);
    
    stcPLLCfg.enInFreq    = SysctrlPllInFreq6_12MHz;    		//XTH 8MHz
    stcPLLCfg.enOutFreq   = SysctrlPllOutFreq36_48MHz;  		//PLL 输出
    stcPLLCfg.enPllClkSrc = SysctrlPllRch;           			  //输入时钟源选择RCH
    stcPLLCfg.enPllMul    = SysctrlPllMul6;             		//8MHz x 6 = 48MHz
    Sysctrl_SetPLLFreq(&stcPLLCfg); 
    
    ///< 当使用的时钟源HCLK大于24M：设置FLASH 读等待周期为1 cycle(默认值也为1 cycle)
    Flash_WaitCycle(FlashWaitCycle1);    

    ///< 使能PLL
    Sysctrl_ClkSourceEnable(SysctrlClkPLL, TRUE);    
    ///< 时钟切换到PLL
    Sysctrl_SysClkSwitch(SysctrlClkPLL);

}
#endif

static void SystemRCLInit(void)
{
	Sysctrl_SetRCLTrim(SysctrlRclFreq38400);        ///< 配置RCL时钟为32kHz
	Sysctrl_SetRCLStableTime(SysctrlRclStableCycle256);
	Sysctrl_ClkSourceEnable(SysctrlClkRCL, TRUE);   ///< 使能RCL时钟
}

static void LPUartInit(void)
{
	stc_gpio_cfg_t stcGpioCfg;
	stc_lpuart_cfg_t  stcCfg;
	DDL_ZERO_STRUCT(stcGpioCfg);

	Sysctrl_SetPeripheralGate(SysctrlPeripheralGpio,TRUE);

	///<TX
	stcGpioCfg.enDir =  GpioDirOut;
	Gpio_Init(LPUART_TX_PORT, LPUART_TX_PIN, &stcGpioCfg);
	Gpio_SetAfMode(LPUART_TX_PORT, LPUART_TX_PIN, LPUART_TX_AF); //配置PA00为LPUART1_TX

	//<RX
	stcGpioCfg.enDir =  GpioDirIn;
	Gpio_Init(LPUART_RX_PORT, LPUART_RX_PIN,&stcGpioCfg);
	Gpio_SetAfMode(LPUART_RX_PORT, LPUART_RX_PIN, LPUART_RX_AF); //配置PA01为LPUART1_RX
	
  DDL_ZERO_STRUCT(stcCfg);
	Sysctrl_SetPeripheralGate(LPUART_PERIPHERAL_CLK,TRUE);  
	
	///<LPUART 初始化
	stcCfg.enStopBit = LPUart1bit;                   ///<1停止位    
	stcCfg.enMmdorCk = LPUartEven;                   ///<偶校验
	stcCfg.stcBaud.enSclkSel = LPUartMskRcl;         ///<传输时钟源
	stcCfg.stcBaud.u32Sclk = 38400; 								 ///<PCLK获取
	stcCfg.stcBaud.enSclkDiv = LPUartMsk4Or8Div;     ///<采样分频
	stcCfg.stcBaud.u32Baud = 9600;                   ///<波特率
	stcCfg.enRunMode = LPUartMskMode1;               ///<工作模式
	LPUart_Init(LPUART, &stcCfg);
	 
	///<LPUART 中断使能
	LPUart_ClrStatus(LPUART,LPUartRC);          ///<清接收中断请求
	LPUart_ClrStatus(LPUART,LPUartTC);          ///<清发送中断请求
	LPUart_EnableIrq(LPUART,LPUartTxIrq);       ///<使能发送中断
	LPUart_EnableIrq(LPUART,LPUartRxIrq); 			///<使能接收中断
	EnableNvic(LPUART_IRQN,IrqLevel3,TRUE);     ///<系统中断使能
}

void DBGUartSend(uint8_t *sData, int sLen)
{
	uint16_t dlyCnt = 0xffff;
	
	RS485_CTRL_TX();
	delay_ms(1);
	for(int i = 0; i < sLen; i++) {
		LpUart0_Tx_Flag = false;
		dlyCnt = 0xffff;
		LPUart_SendDataIt(LPUART, sData[i]); 
		while(dlyCnt > 0) {
			dlyCnt--;
			if(LpUart0_Tx_Flag)
				break;
		}
	}
	RS485_CTRL_RX();
}

#if(LP_UART_CH == 0)
void LpUart0_IRQHandler(void)
{
	if(LPUart_GetStatus(LPUART, LPUartTC)) {
		LPUart_ClrStatus(LPUART, LPUartTC);  						///<清发送中断请求
		LpUart0_Tx_Flag = true;
	}

	if(LPUart_GetStatus(LPUART, LPUartRC)) {   				///接收数据
		LPUart_ClrStatus(LPUART, LPUartRC);   					///<清接收中断请求
		uint8_t u8RxData = LPUart_ReceiveData(LPUART);	///读取数据
		DebugUartIRQ(u8RxData);
	}
}
#else 
void LpUart1_IRQHandler(void)
{
	if(LPUart_GetStatus(LPUART, LPUartTC)) {
		LPUart_ClrStatus(LPUART, LPUartTC);   					///<清发送中断请求
		LpUart0_Tx_Flag = true;
	}

	if(LPUart_GetStatus(LPUART, LPUartRC)) {   				///接收数据
		LPUart_ClrStatus(LPUART, LPUartRC);   					///<清接收中断请求
		uint8_t u8RxData = LPUart_ReceiveData(LPUART);	///读取数据
		DebugUartIRQ(u8RxData);
	}
}
#endif

static void GPIOInit(void)
{
	stc_gpio_cfg_t GpioInitStruct;
	
	DDL_ZERO_STRUCT(GpioInitStruct);
	Sysctrl_SetPeripheralGate(SysctrlPeripheralGpio,TRUE);
	
	GpioInitStruct.enDir = GpioDirOut;			///< 端口方向配置->输入
	GpioInitStruct.enDrv = GpioDrvH;				///< 端口驱动能力配置->高驱动能力
	GpioInitStruct.enPu = GpioPuDisable;		///< 端口上下拉配置->无
	GpioInitStruct.enPd = GpioPdDisable;
	GpioInitStruct.enOD = GpioOdDisable;		///< 端口开漏输出配置->开漏输出关闭
	GpioInitStruct.enCtrlMode = GpioAHB;		///< 端口输入/输出值寄存器总线控制模式配置->AHB
	GpioInitStruct.bOutputVal = false;

	Gpio_Init(RS485_CTRL_PORT, RS485_CTRL_PIN, &GpioInitStruct);
	RS485_CTRL_RX();
}

static void WdtInit(void)
{
#if (USE_WDT == 1)
	///< 开启WDT外设时钟
	Sysctrl_SetPeripheralGate(SysctrlPeripheralWdt,TRUE);
	///< WDT 初始化
	Wdt_Init(WdtResetEn, WdtT52s4);
	Wdt_Start();
#endif	
}

static void FlashWrite(uint32_t *wData, uint8_t wLen)
{
	while(Ok != Flash_SectorErase(BOOT_PARA_ADDRESS));
	for(int i = 0; i < wLen / 4; i++) {
		Flash_WriteWord(BOOT_PARA_ADDRESS + i * 4, wData[i]);
	}
}

static void FlashRead(uint32_t *rData, uint8_t rLen)
{
	uint32_t u32Addr = BOOT_PARA_ADDRESS;
	for(int i = 0; i < rLen / 4; i++) {
		rData[i] = *((volatile uint32_t*)(u32Addr + i * 4));
	}
}


void FeedDog(void)
{
#if (USE_WDT == 1)
	Wdt_Feed();
#endif	
}


uint32_t GetSysTick(void)
{
	return SysTickCnt;
}

void Delay(uint8_t time)
{
	while(time > 0) {
		time --;
	}
}

void delay_ms(uint32_t mS)
{
	volatile uint32_t cTick, mTick;
	 
	cTick = GetSysTick();
	while(1){
		mTick = GetSysTick();
		if(mTick - cTick >= mS)
			break;
	}
}

void SystemReset(void)
{
	NVIC_SystemReset();
}

void BspInit(void)
{
	//SystemClkInit(SysctrlXthFreq4_8MHz);
	SystemClkInit(SysctrlRchFreq16MHz);
	SystemCoreClockUpdate();
	SysTick_Config(SystemCoreClock/1000);
	SystemRCLInit();
	GPIOInit();
	LPUartInit();
	while(Ok != Flash_Init(4, TRUE));
	WdtInit();
}

void SysTick_IRQHandler(void)
{
	SysTickCnt++;
	SysTick_CallBack();
}


void ReadBootPara(BootPara rData)
{
	FlashRead((uint32_t *)rData, sizeof(BootPara_t));
}

void WriteBootPara(BootPara wData)
{
	FlashWrite((uint32_t *)wData, sizeof(BootPara_t));
}

void EraseFlash(void)
{
	for(int Addr = APP_ADDRESS; Addr < FLASH_SIZE; Addr += FLASH_SECTOR_SIZE) {
		Flash_SectorErase(Addr);
	}
}