質問編集履歴
1
書き終わる前に投稿してしまいました
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File without changes
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body
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@@ -37,4 +37,50 @@
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37
37
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65 //128のはずが…
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38
38
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```
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39
39
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###試したこと
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40
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+
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40
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-
######
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######直接指定してみる
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+
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43
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```Arduino
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44
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const int Array1[] PROGMEM = {1, 2};
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45
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const int Array2[] PROGMEM = {4, 8};
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46
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const int Array3[] PROGMEM = {16, 32};
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const int Array4[] PROGMEM = {64, 128};
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48
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int *const Length[] PROGMEM = {Array1, Array2, Array3, Array4};
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49
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+
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50
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int const Length1[][2] PROGMEM = {
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51
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{1, 2},
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52
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{4, 8},
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53
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{16, 32},
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54
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{64, 128}
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55
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};
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56
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+
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57
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void setup() {
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58
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Serial.begin(9600);
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59
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}
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60
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+
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61
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void loop() {
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62
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Serial.println(pgm_read_byte(&(Length[0][0])));
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63
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Serial.println(pgm_read_byte(&(Length[0][1])));
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64
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Serial.println(pgm_read_byte(&(Length[1][0])));
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65
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Serial.println(pgm_read_byte(&(Length[1][1])));
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66
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Serial.println(pgm_read_byte(&(Length[2][0])));
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67
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Serial.println(pgm_read_byte(&(Length[2][1])));
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68
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Serial.println(pgm_read_byte(&(Length[3][0])));
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69
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Serial.println(pgm_read_byte(&(Length[3][1])));
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70
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while (1);
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71
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}
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72
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```
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73
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```Text
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74
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1
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75
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2
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76
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4
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77
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+
8
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78
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16
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79
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32
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80
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64
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81
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128//これだとうまくいくのはなぜなのか
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82
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```
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83
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###補足情報
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84
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Arduino 1.8.13
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85
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Arduino Uno を使っています。
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86
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よろしくお願いします。
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