YKNCT / YKNCT_I2C_lib

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Dependents:   arim_AutoMachine

YKNCT_I2C.cpp@14:5f0acdcd52ee, 2019-04-27 (annotated)

Committer:
nanjo
Date:
Sat Apr 27 11:11:10 2019 +0000
Revision:
14:5f0acdcd52ee
Parent:
11:c7c764e21224 
nucleo example i2c

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nanjo 14:5f0acdcd52ee 1 #include "YKNCT.h"
Tom0108 0:c555f844eb8d 2
Tom0108 0:c555f844eb8d 3 Y_I2C::Y_I2C(PinName sda, PinName scl) : i2c(sda, scl)
Tom0108 0:c555f844eb8d 4 {
Tom0108 0:c555f844eb8d 5 i2c.frequency(100000);
Tom0108 0:c555f844eb8d 6 }
Tom0108 0:c555f844eb8d 7
Tom0108 11:c7c764e21224 8 void Y_I2C::Out_Set(OUT_I2C_Data_TypeDef *OUT_I2C_Data, uint8_t num, uint8_t value)
Tom0108 7:5b22492a5a13 9 {
Tom0108 7:5b22492a5a13 10 if(value==1)
Tom0108 11:c7c764e21224 11 (OUT_I2C_Data+num) -> out_data |= 1;
Tom0108 7:5b22492a5a13 12 else
Tom0108 11:c7c764e21224 13 (OUT_I2C_Data+num) -> out_data &= 0;
Tom0108 7:5b22492a5a13 14 }
Tom0108 7:5b22492a5a13 15
Tom0108 11:c7c764e21224 16 void Y_I2C::Out(OUT_I2C_Data_TypeDef *OUT_I2C_Data, uint8_t MAX)
Tom0108 7:5b22492a5a13 17 {
Tom0108 11:c7c764e21224 18 int cnt=0;
Tom0108 11:c7c764e21224 19 int i=0;
Tom0108 11:c7c764e21224 20 while(cnt<MAX) {
Tom0108 11:c7c764e21224 21 char data=0;
Tom0108 11:c7c764e21224 22 int tmp=(OUT_I2C_Data+cnt)->DevAddress;
Tom0108 11:c7c764e21224 23 for(i=0;; i++) {
Tom0108 11:c7c764e21224 24 if(tmp!=(OUT_I2C_Data+cnt+i)->DevAddress)
Tom0108 11:c7c764e21224 25 break;
Tom0108 11:c7c764e21224 26 }
Tom0108 11:c7c764e21224 27 for(int j=0; j<=i; j++) data|=(OUT_I2C_Data+cnt+j)->out_data<<j;
Tom0108 11:c7c764e21224 28
Tom0108 11:c7c764e21224 29 i2c.write((OUT_I2C_Data+cnt)->DevAddress<<1, &data, 1);
Tom0108 11:c7c764e21224 30 cnt+=i;
Tom0108 11:c7c764e21224 31 }
Tom0108 8:f7779710d64a 32 }
Tom0108 8:f7779710d64a 33
Tom0108 8:f7779710d64a 34 void Y_I2C::In(IN_I2C_Data_TypeDef *IN_I2C_Data, uint8_t num)
Tom0108 8:f7779710d64a 35 {
Tom0108 11:c7c764e21224 36 char data;
Tom0108 10:49ffdd5cf82e 37 uint8_t array=(IN_I2C_Data+num)->Number;
Tom0108 11:c7c764e21224 38
Tom0108 11:c7c764e21224 39 i2c.read((IN_I2C_Data+num)->DevAddress<<1, &data, 1);
Tom0108 11:c7c764e21224 40
Tom0108 11:c7c764e21224 41 (IN_I2C_Data+num)->in_data=data&1<<array;
Tom0108 1:67d5ea2ff6c1 42 }
Tom0108 1:67d5ea2ff6c1 43
Tom0108 8:f7779710d64a 44 void Y_I2C::Adc(ADC_I2C_Data_TypeDef *ADC_I2C_Data, uint8_t num)
Tom0108 0:c555f844eb8d 45 {
Tom0108 11:c7c764e21224 46 char data[8]= {0};
Tom0108 10:49ffdd5cf82e 47 uint8_t array=(ADC_I2C_Data+num)->Number;
Tom0108 0:c555f844eb8d 48
Tom0108 9:f892d57a6714 49 i2c.read((ADC_I2C_Data+num) -> DevAddress<<1, data, 8);
Tom0108 11:c7c764e21224 50
Tom0108 11:c7c764e21224 51 (ADC_I2C_Data+num)->adc_data=data[array*2+1]<<8|data[array*2];
Tom0108 0:c555f844eb8d 52 }
Tom0108 0:c555f844eb8d 53
Tom0108 9:f892d57a6714 54 void Y_I2C::Enc(ENC_I2C_Data_TypeDef *ENC_I2C_Data, uint8_t num)
Tom0108 3:397a179b4d9e 55 {
Tom0108 11:c7c764e21224 56 char data[4]= {0};
Tom0108 3:397a179b4d9e 57
Tom0108 9:f892d57a6714 58 i2c.read((ENC_I2C_Data+num) -> DevAddress<<1, data, 4);
Tom0108 3:397a179b4d9e 59
Tom0108 9:f892d57a6714 60 (ENC_I2C_Data+num)->enc_data=data[3]<<24|data[2]<<16|data[1]<<8|data[0];
Tom0108 3:397a179b4d9e 61 }
Tom0108 3:397a179b4d9e 62
Tom0108 9:f892d57a6714 63 void Y_I2C::MD_I2C(MD_I2C_Data_TypeDef *MD_I2C_Data, uint8_t num)
Tom0108 2:f5faf991cd86 64 {
Tom0108 2:f5faf991cd86 65 /* 送信データ
Tom0108 2:f5faf991cd86 66 [0] [ MD出力更新 | 0 | 0 | 0 | 0 | ブレーキ | 回転方向 | MD指定 ]
Tom0108 2:f5faf991cd86 67 [1] PWM値(7bit)
Tom0108 2:f5faf991cd86 68 */
Tom0108 0:c555f844eb8d 69
Tom0108 2:f5faf991cd86 70 /* 送信データをMD更新フラグを立てて初期化 */
Tom0108 9:f892d57a6714 71 (MD_I2C_Data + num)->pData[0] = 0x80;
Tom0108 2:f5faf991cd86 72 /* モーターの駆動状態によってデータセット */
Tom0108 9:f892d57a6714 73 switch (MD_GET_DRIVE(MD_I2C_Data, num)) {
Tom0108 2:f5faf991cd86 74 /* ブレーキ，ﾌﾞﾚｰｷﾋﾞｯﾄ 1，回転方向ﾋﾞｯﾄ 0 */
Tom0108 2:f5faf991cd86 75 /* 0b00000100 */
Tom0108 2:f5faf991cd86 76 case MD_BRAKE:
Tom0108 9:f892d57a6714 77 (MD_I2C_Data + num)->pData[0] |= 0x02 << 1;
Tom0108 2:f5faf991cd86 78 break;
Tom0108 2:f5faf991cd86 79 /* 正転，ﾌﾞﾚｰｷﾋﾞｯﾄ 0，回転方向ﾋﾞｯﾄ 1 */
Tom0108 2:f5faf991cd86 80 /* 0b00000001 */
Tom0108 2:f5faf991cd86 81 case MD_FORWARD:
Tom0108 9:f892d57a6714 82 (MD_I2C_Data + num)->pData[0] |= 0x01 << 1;
Tom0108 2:f5faf991cd86 83 break;
Tom0108 2:f5faf991cd86 84 /* 逆転，ﾌﾞﾚｰｷﾋﾞｯﾄ 0，回転方向ﾋﾞｯﾄ 0 */
Tom0108 2:f5faf991cd86 85 /* 0b00000000 */
Tom0108 2:f5faf991cd86 86 case MD_REVERSE:
Tom0108 9:f892d57a6714 87 (MD_I2C_Data + num)->pData[0] |= 0x00 << 1;
Tom0108 2:f5faf991cd86 88 break;
Tom0108 2:f5faf991cd86 89 }
Tom0108 0:c555f844eb8d 90
Tom0108 2:f5faf991cd86 91 /* PIC上の出力番号を指定 */
Tom0108 2:f5faf991cd86 92 /* 0b00000000 or 0b00000001 */
Tom0108 9:f892d57a6714 93 (MD_I2C_Data + num)->pData[0] |= (MD_I2C_Data + num)->Number;
Tom0108 2:f5faf991cd86 94 /* PWM値が100より大きかったら範囲内に補正 */
Tom0108 9:f892d57a6714 95 if (MD_GET_PWM(MD_I2C_Data, num) > 99)
Tom0108 9:f892d57a6714 96 MD_SET_PWM(MD_I2C_Data, num, 99);
Tom0108 1:67d5ea2ff6c1 97
Tom0108 2:f5faf991cd86 98 /* PWM(0～100)を0～127に変換して代入(オーバーフロー防止で16bitに一時変換) */
Tom0108 9:f892d57a6714 99 (MD_I2C_Data + num)->pData[1] = (uint8_t)((uint16_t)MD_GET_PWM(MD_I2C_Data, num) * 127 / 100);
Tom0108 2:f5faf991cd86 100
Tom0108 2:f5faf991cd86 101 /*8bitから7bitに変換*/
Tom0108 9:f892d57a6714 102 i2c.write((MD_I2C_Data + num)->DevAddress << 1,(MD_I2C_Data + num)->pData,2);
Tom0108 2:f5faf991cd86 103 }
Tom0108 1:67d5ea2ff6c1 104
Tom0108 2:f5faf991cd86 105 /**
Tom0108 2:f5faf991cd86 106 * @brief MDに通信確認用送信
Tom0108 2:f5faf991cd86 107 * @param MD_I2C_Data: I2C式MDデータ構造
Tom0108 9:f892d57a6714 108 * @param num: 使用MD番号
Tom0108 2:f5faf991cd86 109 * @retval なし
Tom0108 2:f5faf991cd86 110 * @detail I2C式MD側が通信が切れていないことを確認するために空データを送信する
Tom0108 2:f5faf991cd86 111 */
Tom0108 9:f892d57a6714 112 void Y_I2C::MD_I2C_Empty(MD_I2C_Data_TypeDef *MD_I2C_Data, uint8_t num)
Tom0108 2:f5faf991cd86 113 {
Tom0108 2:f5faf991cd86 114 /* 送信データをMD更新フラグを立てず初期化 */
Tom0108 9:f892d57a6714 115 (MD_I2C_Data+num)->pData[0] = 0;
Tom0108 1:67d5ea2ff6c1 116
Tom0108 2:f5faf991cd86 117 /* PIC上の出力番号を指定 */
Tom0108 2:f5faf991cd86 118 /* 0b00000000 or 0b00000001 */
Tom0108 9:f892d57a6714 119 (MD_I2C_Data+num)->pData[0] |= (MD_I2C_Data+num)->Number;
Tom0108 2:f5faf991cd86 120
Tom0108 2:f5faf991cd86 121 /*8bitから7bitに変換*/
Tom0108 9:f892d57a6714 122 i2c.write((MD_I2C_Data + num)->DevAddress << 1,(MD_I2C_Data + num)->pData,2);
Tom0108 2:f5faf991cd86 123 }