回答編集履歴
1
訂正
answer
CHANGED
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@@ -7,9 +7,6 @@
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7
7
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#define SW_TIME 500 // 500ms
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8
8
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const unsigned char SW_PIN[] = { 4,5,6,7,8,9 }; // sw port
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9
9
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volatile unsigned char sw_flag[ SW_MAX ];
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10
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-
volatile unsigned char sw_mode = 0;
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11
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-
volatile unsigned long swa_time ;
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12
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-
volatile unsigned char swa , swb , swc ;
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10
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volatile unsigned char sw_code = 0;
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11
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15
12
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void prn_bin( unsigned char dat ){
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@@ -19,7 +16,11 @@
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16
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} // for
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20
17
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}
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18
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void sw_scan(void){
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19
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+
static unsigned char sw_mode = 0;
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20
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static unsigned long swa_time ;
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21
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static unsigned char swa , swb , swc ;
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22
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unsigned char i;
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if ( sw_code != 0 ){ return; }
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for ( i=0 ; i<SW_MAX ; i++ ){
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sw_flag[i] = ( ( sw_flag[i] << 1 ) | digitalRead( SW_PIN[i] ) ) & 0x03 ;
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if ( sw_flag[i] == 0b10 ){ // sw_on
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@@ -31,7 +32,7 @@
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} // if
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if ( sw_flag[i] == 0b01 ){ // sw_off
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switch( sw_mode ){
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34
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-
case 1: if ( i == swa ){ bitSet( sw_code , swa ); sw_mode = 0; }
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35
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case 1: if ( i == swa ){ bitSet( sw_code , swa ); sw_mode = 0; } // sw_single
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break ;
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case 2: if ( i == swa ){ swc = swb ; sw_mode = 3; } // sw_double
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if ( i == swb ){ swc = swa ; sw_mode = 3; }
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@@ -52,18 +53,25 @@
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53
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MsTimer2::start();
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}
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55
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void loop() {
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56
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if ( sw_code != 0 ){
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57
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Serial.print("sw_code = ");
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58
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prn_bin( sw_code );
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55
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-
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59
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if ( sw_code == 0b00000011 ){ Serial.print(" C"); }
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60
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if ( sw_code == 0b00000001 ){ Serial.print(" A"); }
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61
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Serial.println();
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62
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sw_code = 0;
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63
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} // if
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56
64
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}
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65
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```
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58
66
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実行結果↓
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59
67
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> Arduino Leonardo !!
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60
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-
sw_code = 00000001
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68
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+
sw_code = 00000001 A
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69
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sw_code = 00000010
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70
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sw_code = 00000100
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63
71
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sw_code = 00001000
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sw_code = 00010000
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sw_code = 00100000
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66
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-
sw_code = 00000011
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74
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+
sw_code = 00000011 C
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75
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sw_code = 00000110
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68
76
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sw_code = 00001100
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69
77
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sw_code = 00011000
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