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Initial commit: my SECS2 project

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chenzongxiong
2026-06-12 14:19:01 +08:00
commit 2c3e2c4dc2
1138 changed files with 603966 additions and 0 deletions
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usr/bsp/bsp_DS1302.c
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#include "bsp_DS1302.h"
#define bsp_DS1302_DELAY() do{ \
__NOP();__NOP();__NOP();__NOP();\
__NOP();__NOP();__NOP();__NOP();\
__NOP();__NOP();__NOP();__NOP();\
__NOP();__NOP();__NOP();__NOP();\
__NOP();__NOP();__NOP();__NOP();\
__NOP();__NOP();__NOP();__NOP();\
__NOP();__NOP();__NOP();__NOP();\
}while(0)
#define RST_CLR HAL_GPIO_WritePin(DS1302_RST_GPIO_Port, DS1302_RST_Pin, GPIO_PIN_RESET )
#define RST_SET HAL_GPIO_WritePin(DS1302_RST_GPIO_Port, DS1302_RST_Pin, GPIO_PIN_SET )
#define IO_CLR HAL_GPIO_WritePin(DS1302_DIO_GPIO_Port, DS1302_DIO_Pin, GPIO_PIN_RESET )
#define IO_SET HAL_GPIO_WritePin(DS1302_DIO_GPIO_Port, DS1302_DIO_Pin, GPIO_PIN_SET )
#define IO_READ HAL_GPIO_ReadPin (DS1302_DIO_GPIO_Port, DS1302_DIO_Pin )
#define SCK_CLR HAL_GPIO_WritePin(DS1302_CLK_GPIO_Port, DS1302_CLK_Pin, GPIO_PIN_RESET )
#define SCK_SET HAL_GPIO_WritePin(DS1302_CLK_GPIO_Port, DS1302_CLK_Pin, GPIO_PIN_SET )
static void bsp_DS1302Init(void);
static void bsp_DS1302_Task(void);
static u8 bsp_DS1302_Set(bsp_DS1302_Time_t *pTime);
bsp_DS1302_t DS1302 =
{
.Init = bsp_DS1302Init,
.Task = bsp_DS1302_Task,
.Set = bsp_DS1302_Set,
};
bsp_DS1302_t *pDS1302 = &DS1302;
static void bsp_DS1302DataInput(void)
{
GPIO_InitTypeDef GPIO_InitStruct; //定义GPIO结构体
GPIO_InitStruct.Pin = DS1302_DIO_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
HAL_GPIO_Init(DS1302_DIO_GPIO_Port, &GPIO_InitStruct);
}
static void bsp_DS1302DataOutput(void)
{
GPIO_InitTypeDef GPIO_InitStruct; //定义GPIO结构体
GPIO_InitStruct.Pin = DS1302_DIO_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
HAL_GPIO_Init(DS1302_DIO_GPIO_Port, &GPIO_InitStruct);
}
/*向bsp_DS1302写入一字节数据*/
static void bsp_DS1302_write_byte(u8 Addr, u8 Data)
{
u8 i;
RST_SET; /*启动bsp_DS1302总线*/
bsp_DS1302_DELAY();
/*写入目标地址：addr*/
Addr = Addr & 0xFE;/*最低位置零*/
for (i = 0; i < 8; i++)
{
if (Addr & 0x01)
{
IO_SET;
}
else
{
IO_CLR;
}
bsp_DS1302_DELAY();
SCK_SET;
bsp_DS1302_DELAY();
SCK_CLR;
bsp_DS1302_DELAY();
Addr = Addr >> 1;
}
/*写入数据：d*/
for (i = 0; i < 8; i++)
{
if (Data & 0x01)
{
IO_SET;
}
else
{
IO_CLR;
}
bsp_DS1302_DELAY();
SCK_SET;
bsp_DS1302_DELAY();
SCK_CLR;
bsp_DS1302_DELAY();
Data = Data >> 1;
}
RST_CLR; /*停止bsp_DS1302总线*/
bsp_DS1302_DELAY();
}
/*从bsp_DS1302读出一字节数据*/
static u8 bsp_DS1302_read_byte(u8 Addr)
{
u8 i;
u8 temp;
RST_SET; /*启动bsp_DS1302总线*/
bsp_DS1302_DELAY();
/*写入目标地址：addr*/
Addr = Addr | 0x01;/*最低位置高*/
for (i = 0; i < 8; i++)
{
if (Addr & 0x01)
{
IO_SET;
}
else
{
IO_CLR;
}
bsp_DS1302_DELAY();
SCK_SET;
bsp_DS1302_DELAY();
SCK_CLR;
bsp_DS1302_DELAY();
Addr = Addr >> 1;
}
bsp_DS1302DataInput();
/*输出数据：temp*/
for (i = 0; i < 8; i++)
{
temp = temp >> 1;
if (IO_READ)
{
temp |= 0x80;
}
else
{
temp &= 0x7F;
}
bsp_DS1302_DELAY();
SCK_SET;
bsp_DS1302_DELAY();
SCK_CLR;
bsp_DS1302_DELAY();
}
RST_CLR; /*停止bsp_DS1302总线*/
bsp_DS1302_DELAY();
bsp_DS1302DataOutput();
return temp;
}
static u8 HexToBCD(u8 code)
{
u8 temp;
temp = ((code / 10) << 4) + (code % 10);
return temp;
}
static u8 bsp_DS1302_Set(bsp_DS1302_Time_t *pTime)
{
if ((pTime->Year > 99) || (pTime->Month > 12) || (pTime->Day > 31) ||
(pTime->Hour > 23) || (pTime->Minute > 59) || (pTime->Second > 59))
{
return USR_FALSE;
}
else
{
bsp_DS1302_write_byte(BSP_DS1302_CONTROL_ADDR, 0x00); //关闭写保护
bsp_DS1302_write_byte(BSP_DS1302_SEC_ADDR, 0x80); //暂停
bsp_DS1302_write_byte(BSP_DS1302_YEAR_ADDR, HexToBCD(pTime->Year));
bsp_DS1302_write_byte(BSP_DS1302_MONTH_ADDR, HexToBCD(pTime->Month));
bsp_DS1302_write_byte(BSP_DS1302_DATA_ADDR, HexToBCD(pTime->Day));
bsp_DS1302_write_byte(BSP_DS1302_HOUR_ADDR, HexToBCD(pTime->Hour));
bsp_DS1302_write_byte(BSP_DS1302_MIN_ADDR, HexToBCD(pTime->Minute));
bsp_DS1302_write_byte(BSP_DS1302_SEC_ADDR, HexToBCD(pTime->Second));
bsp_DS1302_write_byte(BSP_DS1302_CONTROL_ADDR, 0x80); //打开写保护
return USR_TRUE;
}
}
static void bsp_DS1302_Task(void)
{
u8 RegData;
RegData = bsp_DS1302_read_byte(BSP_DS1302_YEAR_ADDR);
pDS1302->Time.Year = (RegData / 16) * 10 + RegData % 16;
RegData = bsp_DS1302_read_byte(BSP_DS1302_MONTH_ADDR);
pDS1302->Time.Month = (RegData / 16) * 10 + RegData % 16;
RegData = bsp_DS1302_read_byte(BSP_DS1302_DATA_ADDR);
pDS1302->Time.Day = (RegData / 16) * 10 + RegData % 16;
RegData = bsp_DS1302_read_byte(BSP_DS1302_HOUR_ADDR);
pDS1302->Time.Hour = (RegData / 16) * 10 + RegData % 16;
RegData = bsp_DS1302_read_byte(BSP_DS1302_MIN_ADDR);
pDS1302->Time.Minute = (RegData / 16) * 10 + RegData % 16;
RegData = bsp_DS1302_read_byte(BSP_DS1302_SEC_ADDR);
pDS1302->Time.Second = (RegData / 16) * 10 + RegData % 16;
}
static void bsp_DS1302Init(void)
{
RST_SET;
SCK_CLR;
bsp_DS1302_Task();
if ((pDS1302->Time.Year > 99) || (pDS1302->Time.Month > 12) || (pDS1302->Time.Day > 31) ||
(pDS1302->Time.Hour > 23) || (pDS1302->Time.Minute > 59) || (pDS1302->Time.Second > 59))
{
pDS1302->Time.Year = 25;
pDS1302->Time.Month = 1;
pDS1302->Time.Day = 1;
pDS1302->Time.Hour = 0;
pDS1302->Time.Minute = 0;
pDS1302->Time.Second = 0;
bsp_DS1302_Set(&pDS1302->Time);
}
}