WorkFiles/YC11xxSDK_v3565_20210412/Librarier/drivers/otp/yc_otp.c

#include "yc_otp.h"
#include "yc_drv_common.h"

/*
 * @brief:  OTP deint
 * @param:  none
 * @return: none
 */
void deinit_otp(void)
{
	HWRITE(RFEN_CHGPUMP,HREAD(RFEN_CHGPUMP) & ~(0x40));
}

/*
 * @brief:  OTP init
 * @param:  none
 * @return: none
 */
void init_otp(void)
{
//	HWRITE(RFEN_CHGPUMP,0x70);  
	HWRITE(RFEN_CHGPUMP,HREAD(RFEN_CHGPUMP)|0x40);  
	SYS_delay_us(CHARGEPUMP_DELAY);
}

/*
 * @brief:  OTP SET ADDR
 * @param:  addr
 * @return: none
 */
void otp_set_addr(uint32_t addr)
{
	addr=addr<<3;
	HWRITEW(CORE_OTP_ADDR,addr);
	HWRITE(CORE_OTP_DIN,0);
}

/*
 * @brief:  OTP CE 
 * @param:  none
 * @return: none
 */
void otp_ce(void)
{
	HWRITE(CORE_OTP_CTRL,0x82);
	SYS_delay_us(1);
	HWRITE(CORE_OTP_CTRL,0x80);
	HWRITE(CORE_OTP_CTRL,0x82);
	SYS_delay_us(13);
}

/*
 * @brief:  OTP read init  
 * @param:  *data
 * @param:  len
 * @return: none
 */
void read_otp_init(uint8_t *data,uint32_t len)
{
	int rega;
	otp_ce();
	HWRITE(CORE_OTP_CTRL,0xa2);
	HWRITEW(CORE_OTP_RXADDR,data);
	HWRITEW(CORE_OTP_RXLEN,len);
	HWRITE(CORE_OTP_DIN,0x11);
	HWRITE(CORE_DMA_START,OTP_START);
}


/*
 * @brief:  OTP read 
 * @param:  addr   
 * @param:  *data
 * @param:  len
 * @return: none
 */
void read_otp(uint32_t addr,uint8_t *data,uint32_t len)
{
	otp_set_addr(addr);
	read_otp_init((uint8_t *)mem_otp_data_buf, len);
	while(!(HREAD(CORE_DMA_STATUS)&2));
	HWRITE(CORE_OTP_CTRL,0x83);
	for(int i=0;i<len;i++)
	{
		data[i]=HREAD(mem_otp_data_buf+i);
	}
}

/*
 * @brief:  OTP read data
 * @param:  addr   
 * @param:  *data
 * @param:  len
 * @return: none
 */
void read_otp_data(uint32_t addr,uint8_t *data,uint32_t len)
{
	OS_ENTER_CRITICAL();

	uint32_t i=0;
	uint32_t packnum=0;
	uint32_t ilen=0;
	
	packnum = len/packagelen;
	if(len%packagelen)
	{
		packnum++;
	}
	
	init_otp();
	
	for(i=0;i<packnum;i++)
	{
			ilen = len > packagelen ? packagelen :len;
			read_otp(addr,data,len);
			
			addr += ilen;
			data += ilen;
			len  -= ilen;
	}	
	deinit_otp();
	OS_EXIT_CRITICAL();
}