Files
morse_code_trainer/f103c8t6_keil/MDK-ARM/MYDEIVERS/morsr.c
T
2022-05-02 19:14:55 +08:00

225 lines
2.6 KiB
C

#include "morsr.h"
#define morsecodenum 38
const struct morsecode morsecodes[morsecodenum]=
{
{
2,0x40,'A'
},
{
4,0x80,'B'
},
{
4,0xa0,'C'
},
{
3,0x80,'D'
},
{
1,0x00,'E'
},
{
4,0x20,'F'
},
{
3,0xc0,'G'
},
{
4,0x00,'H'
},
{
2,0x00,'I'
},
{
4,0x70,'J'
},
{
3,0xa0,'K'
},
{
4,0x40,'L'
},
{
2,0xc0,'M'
},
{
2,0x80,'N'
},
{
3,0xe0,'O'
},
{
4,0x60,'P'
},
{
4,0xd0,'Q'
},
{
3,0x40,'R'
},
{
3,0x00,'S'
},
{
1,0x80,'T'
},
{
3,0x20,'U'
},
{
4,0x10,'V'
},
{
3,0x60,'W'
},
{
4,0x90,'X'
},
{
4,0xb0,'Y'
},
{
4,0xc0,'Z'
},
{
5,0x78,'1'
},
{
5,0x38,'2'
},
{
5,0x18,'3'
},
{
5,0x08,'4'
},
{
5,0x00,'5'
},
{
5,0x80,'6'
},
{
5,0xc0,'7'
},
{
5,0xe0,'8'
},
{
5,0xf0,'9'
},
{
5,0xf8,'0'
},
{
6,0x30,'?'
},
{
5,0x90,'/'
},
};
char get_morse_code(uint8_t len,uint8_t code)
{
for(int a=0;a<morsecodenum;a++)
{
if((morsecodes[a].len==len)&&(morsecodes[a].code==code))
{
return morsecodes[a].letter;
}
}
return ' ';
}
char moser_buff[64+8]={0};
uint8_t moser_buff_int=0;
uint8_t moser_code_len=0;
uint8_t moser_code=0;
uint32_t moser_tick_time=0;
uint8_t moser_input_flag=0;
void mo_server()
{
if(moser_input_flag==1&&HAL_GetTick()>moser_tick_time)
{
moser_input_flag=0;
for(int a=0;a<8;a++)
{
moser_buff[moser_buff_int+a]='\0';
}
moser_buff[moser_buff_int]=get_morse_code(moser_code_len,moser_code);
moser_buff_int+=1;
if(moser_buff_int==64)
{
for(int a=0;a<64;a++)
{
moser_buff[a]='\0';
}
moser_buff_int=0;
}
moser_code_len=0;
moser_code=0;
}
}
void mo_di()
{
moser_buff[moser_buff_int+moser_code_len]='.';
moser_code_len+=1;
if(moser_code_len==8){moser_code_len=0;}
moser_tick_time=HAL_GetTick()+400;
moser_input_flag=1;
}
void mo_da()
{
moser_buff[moser_buff_int+moser_code_len]='-';
moser_code|=(0x80>>moser_code_len);
moser_code_len+=1;
if(moser_code_len==8){moser_code_len=0;}
moser_tick_time=HAL_GetTick()+400;
moser_input_flag=1;
}
void mo_one_tick(uint8_t i)
{
static uint8_t last_input=1;
static uint32_t tick_time;
uint16_t tick_time_cat;
if(i!=last_input)
{
last_input=i;
switch(last_input)
{
case 0:
tick_time=HAL_GetTick();
break;
case 1:
tick_time_cat=HAL_GetTick()-tick_time;
if(tick_time_cat<100)
{
}else if(tick_time_cat<200)
{
mo_di();
}else if(tick_time_cat<400)
{
mo_da();
}else
{
}
break;
}
}
}