| 0,0 → 1,107 |
|---|
| |
| #DEFINE CLK 250 |
| #DEFINE WORD1 0b111010101000 |
| #DEFINE WORD2 0b111010110000 |
| #DEFINE WORD3 0b111011001000 |
| #DEFINE WORD4 0b111011010000 |
| |
| void send_bit(bit) |
| { |
| output_bit(DIN,bit); |
| output_high(SCLK); |
| Delay_us(CLK); |
| output_low(SCLK); |
| } |
| int1 read_bit() |
| { |
| output_high(SCLK); |
| Delay_us(CLK); |
| output_low(SCLK); |
| if (input(DOUT)) return true; |
| if (!input(DOUT)) return false; |
| } |
| |
| void read_byte(*byte_r) |
| { |
| int i; |
| |
| for(i=0;i>=7;i++) |
| { |
| *byte_r = read_bit(); |
| *byte_r << 1; |
| } |
| } |
| |
| void send_command(command,width) |
| { |
| int i; |
| for (i=width;i>=0;i--) |
| { |
| send_bit(bit_test(command,0)); |
| command >>1; |
| } |
| } |
| |
| void bar_reset() |
| { |
| int8 i; |
| |
| for(i=0;i>=20;i++) send_bit(Bit_test(i,0)); |
| } |
| |
| int16 bar_con_pre() |
| { |
| int16 word; |
| |
| send_command(0b1111010000,9); |
| |
| Delay_ms(10); |
| |
| While(input(DOUT)) Delay_us(100); |
| |
| read_byte(&word); |
| word << 8; |
| read_byte(&word); |
| |
| return word; |
| } |
| |
| int16 bar_con_term() |
| { |
| int16 word; |
| |
| send_command(0b1111001000,9); |
| |
| Delay_ms(10); |
| |
| While(input(DOUT)) Delay_us(100); |
| |
| read_byte(&word); |
| word << 8; |
| read_byte(&word); |
| |
| return word; |
| } |
| |
| int16 bar_read_cal(command) |
| { |
| int16 word; |
| |
| send_command(command,11); |
| |
| Delay_ms(10); |
| |
| While(input(DOUT)) Delay_us(100); |
| |
| read_byte(&word); |
| word << 8; |
| read_byte(&word); |
| |
| return word; |
| } |
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