This is a BMP180 Library. Using "Timeout", so you do not need to use "wait".
BMP180.hpp@0:6953e7630b84, 2018-07-20 (annotated)
- Committer:
- Gaku0606
- Date:
- Fri Jul 20 22:26:15 2018 +0000
- Revision:
- 0:6953e7630b84
first edtion
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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Gaku0606 | 0:6953e7630b84 | 1 | /** |
Gaku0606 | 0:6953e7630b84 | 2 | * @file BMP180.hpp |
Gaku0606 | 0:6953e7630b84 | 3 | * @brief This is a Library for BMP180 |
Gaku0606 | 0:6953e7630b84 | 4 | * @author Matsumoto Gaku |
Gaku0606 | 0:6953e7630b84 | 5 | * @date 2018/07/10 |
Gaku0606 | 0:6953e7630b84 | 6 | */ |
Gaku0606 | 0:6953e7630b84 | 7 | |
Gaku0606 | 0:6953e7630b84 | 8 | #pragma once |
Gaku0606 | 0:6953e7630b84 | 9 | #include "mbed.h" |
Gaku0606 | 0:6953e7630b84 | 10 | |
Gaku0606 | 0:6953e7630b84 | 11 | #define BMP180_AC1_H 0xAA |
Gaku0606 | 0:6953e7630b84 | 12 | #define BMP180_AC1_L 0xAB |
Gaku0606 | 0:6953e7630b84 | 13 | #define BMP180_AC2_H 0xAC |
Gaku0606 | 0:6953e7630b84 | 14 | #define BMP180_AC2_L 0xAD |
Gaku0606 | 0:6953e7630b84 | 15 | #define BMP180_AC3_H 0xAE |
Gaku0606 | 0:6953e7630b84 | 16 | #define BMP180_AC3_L 0xAF |
Gaku0606 | 0:6953e7630b84 | 17 | #define BMP180_AC4_H 0xB0 |
Gaku0606 | 0:6953e7630b84 | 18 | #define BMP180_AC4_L 0xB1 |
Gaku0606 | 0:6953e7630b84 | 19 | #define BMP180_AC5_H 0xB2 |
Gaku0606 | 0:6953e7630b84 | 20 | #define BMP180_AC5_L 0xB3 |
Gaku0606 | 0:6953e7630b84 | 21 | #define BMP180_AC6_H 0xB4 |
Gaku0606 | 0:6953e7630b84 | 22 | #define BMP180_AC6_L 0xB5 |
Gaku0606 | 0:6953e7630b84 | 23 | #define BMP180_B1_H 0xB6 |
Gaku0606 | 0:6953e7630b84 | 24 | #define BMP180_B1_L 0xB7 |
Gaku0606 | 0:6953e7630b84 | 25 | #define BMP180_B2_H 0xB8 |
Gaku0606 | 0:6953e7630b84 | 26 | #define BMP180_B2_L 0xB9 |
Gaku0606 | 0:6953e7630b84 | 27 | #define BMP180_MB_H 0xBA |
Gaku0606 | 0:6953e7630b84 | 28 | #define BMP180_MB_L 0xBB |
Gaku0606 | 0:6953e7630b84 | 29 | #define BMP180_MC_H 0xBC |
Gaku0606 | 0:6953e7630b84 | 30 | #define BMP180_MC_L 0xBD |
Gaku0606 | 0:6953e7630b84 | 31 | #define BMP180_MD_H 0xBE |
Gaku0606 | 0:6953e7630b84 | 32 | #define BMP180_MD_L 0xBF |
Gaku0606 | 0:6953e7630b84 | 33 | |
Gaku0606 | 0:6953e7630b84 | 34 | #define BMP180_SLAVEADDR 0b11101110 |
Gaku0606 | 0:6953e7630b84 | 35 | //#define BMP180_SLAVEADDR_READ 0xEF |
Gaku0606 | 0:6953e7630b84 | 36 | |
Gaku0606 | 0:6953e7630b84 | 37 | #define BMP180_OUT_MSB 0xF6 |
Gaku0606 | 0:6953e7630b84 | 38 | #define BMP180_OUT_LSB 0xF7 |
Gaku0606 | 0:6953e7630b84 | 39 | #define BMP180_OUT_XLSB 0xF8 |
Gaku0606 | 0:6953e7630b84 | 40 | |
Gaku0606 | 0:6953e7630b84 | 41 | #define BMP180_CTRL_MEAS 0xF4 |
Gaku0606 | 0:6953e7630b84 | 42 | #define BMP180_SOFT_REAST 0xE0 |
Gaku0606 | 0:6953e7630b84 | 43 | #define BMP180_ID 0xD0 |
Gaku0606 | 0:6953e7630b84 | 44 | |
Gaku0606 | 0:6953e7630b84 | 45 | |
Gaku0606 | 0:6953e7630b84 | 46 | /** |
Gaku0606 | 0:6953e7630b84 | 47 | * @brief BMP180 class |
Gaku0606 | 0:6953e7630b84 | 48 | */ |
Gaku0606 | 0:6953e7630b84 | 49 | class BMP180 { |
Gaku0606 | 0:6953e7630b84 | 50 | |
Gaku0606 | 0:6953e7630b84 | 51 | |
Gaku0606 | 0:6953e7630b84 | 52 | public: |
Gaku0606 | 0:6953e7630b84 | 53 | |
Gaku0606 | 0:6953e7630b84 | 54 | /** |
Gaku0606 | 0:6953e7630b84 | 55 | * @enum Enum |
Gaku0606 | 0:6953e7630b84 | 56 | * hardware accuracy modes |
Gaku0606 | 0:6953e7630b84 | 57 | * 測定モードの選択 |
Gaku0606 | 0:6953e7630b84 | 58 | */ |
Gaku0606 | 0:6953e7630b84 | 59 | enum MODE { |
Gaku0606 | 0:6953e7630b84 | 60 | ULTRA_LOW_POWER = 0x34, |
Gaku0606 | 0:6953e7630b84 | 61 | STANDARD = 0x74, |
Gaku0606 | 0:6953e7630b84 | 62 | HIGH_RESOLUTION = 0xB4, |
Gaku0606 | 0:6953e7630b84 | 63 | ULTRA_HIGH_RESOLUTION = 0xF4 |
Gaku0606 | 0:6953e7630b84 | 64 | }; |
Gaku0606 | 0:6953e7630b84 | 65 | |
Gaku0606 | 0:6953e7630b84 | 66 | /** |
Gaku0606 | 0:6953e7630b84 | 67 | * @brief BMP180 library's constructor |
Gaku0606 | 0:6953e7630b84 | 68 | * @param Pointer of User I2C |
Gaku0606 | 0:6953e7630b84 | 69 | */ |
Gaku0606 | 0:6953e7630b84 | 70 | BMP180(I2C &i2c) : _i2c(i2c){ |
Gaku0606 | 0:6953e7630b84 | 71 | ctrl_meas = ULTRA_HIGH_RESOLUTION; |
Gaku0606 | 0:6953e7630b84 | 72 | convertion_time = 25500; |
Gaku0606 | 0:6953e7630b84 | 73 | oss = 3; |
Gaku0606 | 0:6953e7630b84 | 74 | |
Gaku0606 | 0:6953e7630b84 | 75 | char coeff[22]; |
Gaku0606 | 0:6953e7630b84 | 76 | readReg(BMP180_SLAVEADDR, BMP180_AC1_H, coeff, 22); |
Gaku0606 | 0:6953e7630b84 | 77 | AC1 = ((uint16_t)coeff[0] << 8) | (uint16_t)coeff[1]; |
Gaku0606 | 0:6953e7630b84 | 78 | AC2 = ((uint16_t)coeff[2] << 8) | (uint16_t)coeff[3]; |
Gaku0606 | 0:6953e7630b84 | 79 | AC3 = ((uint16_t)coeff[4] << 8) | (uint16_t)coeff[5]; |
Gaku0606 | 0:6953e7630b84 | 80 | AC4 = ((uint16_t)coeff[6] << 8) | (uint16_t)coeff[7]; |
Gaku0606 | 0:6953e7630b84 | 81 | AC5 = ((uint16_t)coeff[8] << 8) | (uint16_t)coeff[9]; |
Gaku0606 | 0:6953e7630b84 | 82 | AC6 = ((uint16_t)coeff[10] << 8) | (uint16_t)coeff[11]; |
Gaku0606 | 0:6953e7630b84 | 83 | B1 = ((uint16_t)coeff[12] << 8) | (uint16_t)coeff[13]; |
Gaku0606 | 0:6953e7630b84 | 84 | B2 = ((uint16_t)coeff[14] << 8) | (uint16_t)coeff[15]; |
Gaku0606 | 0:6953e7630b84 | 85 | MB = ((uint16_t)coeff[16] << 8) | (uint16_t)coeff[17]; |
Gaku0606 | 0:6953e7630b84 | 86 | MC = ((uint16_t)coeff[18] << 8) | (uint16_t)coeff[19]; |
Gaku0606 | 0:6953e7630b84 | 87 | MD = ((uint16_t)coeff[20] << 8) | (uint16_t)coeff[21]; |
Gaku0606 | 0:6953e7630b84 | 88 | |
Gaku0606 | 0:6953e7630b84 | 89 | callFlag_press = 0; |
Gaku0606 | 0:6953e7630b84 | 90 | callFlag_temp = 0; |
Gaku0606 | 0:6953e7630b84 | 91 | pressure = 0.0f; |
Gaku0606 | 0:6953e7630b84 | 92 | temperature = 0.0f; |
Gaku0606 | 0:6953e7630b84 | 93 | }; |
Gaku0606 | 0:6953e7630b84 | 94 | |
Gaku0606 | 0:6953e7630b84 | 95 | /** |
Gaku0606 | 0:6953e7630b84 | 96 | * @brief Set hardware accurary modes |
Gaku0606 | 0:6953e7630b84 | 97 | * @param mode : ULTRA_HIGH_RESOLUTION etc. |
Gaku0606 | 0:6953e7630b84 | 98 | * @return connection status. if senser's ID could not read, return false. |
Gaku0606 | 0:6953e7630b84 | 99 | * @sa MODE |
Gaku0606 | 0:6953e7630b84 | 100 | */ |
Gaku0606 | 0:6953e7630b84 | 101 | bool begin(MODE mode) { |
Gaku0606 | 0:6953e7630b84 | 102 | switch (mode) |
Gaku0606 | 0:6953e7630b84 | 103 | { |
Gaku0606 | 0:6953e7630b84 | 104 | case BMP180::ULTRA_LOW_POWER: |
Gaku0606 | 0:6953e7630b84 | 105 | ctrl_meas = 0x34; |
Gaku0606 | 0:6953e7630b84 | 106 | oss = 0; |
Gaku0606 | 0:6953e7630b84 | 107 | convertion_time = 4500; |
Gaku0606 | 0:6953e7630b84 | 108 | break; |
Gaku0606 | 0:6953e7630b84 | 109 | case BMP180::STANDARD: |
Gaku0606 | 0:6953e7630b84 | 110 | ctrl_meas = 0x74; |
Gaku0606 | 0:6953e7630b84 | 111 | oss = 1; |
Gaku0606 | 0:6953e7630b84 | 112 | convertion_time = 7500; |
Gaku0606 | 0:6953e7630b84 | 113 | break; |
Gaku0606 | 0:6953e7630b84 | 114 | case BMP180::HIGH_RESOLUTION: |
Gaku0606 | 0:6953e7630b84 | 115 | ctrl_meas = 0xB4; |
Gaku0606 | 0:6953e7630b84 | 116 | oss = 2; |
Gaku0606 | 0:6953e7630b84 | 117 | convertion_time = 13500; |
Gaku0606 | 0:6953e7630b84 | 118 | break; |
Gaku0606 | 0:6953e7630b84 | 119 | case BMP180::ULTRA_HIGH_RESOLUTION: |
Gaku0606 | 0:6953e7630b84 | 120 | ctrl_meas = 0xF4; |
Gaku0606 | 0:6953e7630b84 | 121 | oss = 3; |
Gaku0606 | 0:6953e7630b84 | 122 | convertion_time = 25500; |
Gaku0606 | 0:6953e7630b84 | 123 | break; |
Gaku0606 | 0:6953e7630b84 | 124 | default: |
Gaku0606 | 0:6953e7630b84 | 125 | break; |
Gaku0606 | 0:6953e7630b84 | 126 | } |
Gaku0606 | 0:6953e7630b84 | 127 | |
Gaku0606 | 0:6953e7630b84 | 128 | //センサーチェック |
Gaku0606 | 0:6953e7630b84 | 129 | char result = readReg(BMP180_SLAVEADDR, BMP180_ID); |
Gaku0606 | 0:6953e7630b84 | 130 | if (result == 0x55) { |
Gaku0606 | 0:6953e7630b84 | 131 | return true; |
Gaku0606 | 0:6953e7630b84 | 132 | } |
Gaku0606 | 0:6953e7630b84 | 133 | else { |
Gaku0606 | 0:6953e7630b84 | 134 | return false; |
Gaku0606 | 0:6953e7630b84 | 135 | } |
Gaku0606 | 0:6953e7630b84 | 136 | } |
Gaku0606 | 0:6953e7630b84 | 137 | |
Gaku0606 | 0:6953e7630b84 | 138 | /** |
Gaku0606 | 0:6953e7630b84 | 139 | * @brief start measuring |
Gaku0606 | 0:6953e7630b84 | 140 | * @detail you have to read data after you excute this. |
Gaku0606 | 0:6953e7630b84 | 141 | */ |
Gaku0606 | 0:6953e7630b84 | 142 | void measure() { |
Gaku0606 | 0:6953e7630b84 | 143 | startTemperature(); |
Gaku0606 | 0:6953e7630b84 | 144 | } |
Gaku0606 | 0:6953e7630b84 | 145 | |
Gaku0606 | 0:6953e7630b84 | 146 | /** |
Gaku0606 | 0:6953e7630b84 | 147 | * @brief get pressure and temperature data |
Gaku0606 | 0:6953e7630b84 | 148 | * @param *press float variable pointer for pressure data |
Gaku0606 | 0:6953e7630b84 | 149 | * @param *temp float variable pointer for temperature data |
Gaku0606 | 0:6953e7630b84 | 150 | */ |
Gaku0606 | 0:6953e7630b84 | 151 | void readPressTemp(float *press, float *temp) { |
Gaku0606 | 0:6953e7630b84 | 152 | *press = pressure; |
Gaku0606 | 0:6953e7630b84 | 153 | *temp = temperature; |
Gaku0606 | 0:6953e7630b84 | 154 | } |
Gaku0606 | 0:6953e7630b84 | 155 | |
Gaku0606 | 0:6953e7630b84 | 156 | private: |
Gaku0606 | 0:6953e7630b84 | 157 | void startTemperature() { |
Gaku0606 | 0:6953e7630b84 | 158 | //測定開始 |
Gaku0606 | 0:6953e7630b84 | 159 | writeReg(BMP180_SLAVEADDR, BMP180_CTRL_MEAS, 0x2E); |
Gaku0606 | 0:6953e7630b84 | 160 | if (callFlag_temp) { |
Gaku0606 | 0:6953e7630b84 | 161 | callFlag_temp = 0; |
Gaku0606 | 0:6953e7630b84 | 162 | tempTimer.detach(); |
Gaku0606 | 0:6953e7630b84 | 163 | } |
Gaku0606 | 0:6953e7630b84 | 164 | //測定終了後にデータを取得する |
Gaku0606 | 0:6953e7630b84 | 165 | callFlag_temp = 1; |
Gaku0606 | 0:6953e7630b84 | 166 | tempTimer.attach_us(this, &BMP180::readTemperature, 4500); |
Gaku0606 | 0:6953e7630b84 | 167 | } |
Gaku0606 | 0:6953e7630b84 | 168 | |
Gaku0606 | 0:6953e7630b84 | 169 | void startPressure() { |
Gaku0606 | 0:6953e7630b84 | 170 | writeReg(BMP180_SLAVEADDR, BMP180_CTRL_MEAS, ctrl_meas); |
Gaku0606 | 0:6953e7630b84 | 171 | if (callFlag_press) { |
Gaku0606 | 0:6953e7630b84 | 172 | callFlag_press = 0; |
Gaku0606 | 0:6953e7630b84 | 173 | pressTimer.detach(); |
Gaku0606 | 0:6953e7630b84 | 174 | } |
Gaku0606 | 0:6953e7630b84 | 175 | callFlag_press = 1; |
Gaku0606 | 0:6953e7630b84 | 176 | pressTimer.attach_us(this, &BMP180::readPressure, convertion_time); |
Gaku0606 | 0:6953e7630b84 | 177 | |
Gaku0606 | 0:6953e7630b84 | 178 | } |
Gaku0606 | 0:6953e7630b84 | 179 | |
Gaku0606 | 0:6953e7630b84 | 180 | void readTemperature() { |
Gaku0606 | 0:6953e7630b84 | 181 | callFlag_temp = 0; |
Gaku0606 | 0:6953e7630b84 | 182 | char buff[2]; |
Gaku0606 | 0:6953e7630b84 | 183 | readReg(BMP180_SLAVEADDR, BMP180_OUT_MSB, buff,2); |
Gaku0606 | 0:6953e7630b84 | 184 | UT = (uint16_t)buff[0] << 8 | (uint16_t)buff[1]; |
Gaku0606 | 0:6953e7630b84 | 185 | |
Gaku0606 | 0:6953e7630b84 | 186 | startPressure(); |
Gaku0606 | 0:6953e7630b84 | 187 | } |
Gaku0606 | 0:6953e7630b84 | 188 | |
Gaku0606 | 0:6953e7630b84 | 189 | void readPressure() { |
Gaku0606 | 0:6953e7630b84 | 190 | char buff[3]; |
Gaku0606 | 0:6953e7630b84 | 191 | readReg(BMP180_SLAVEADDR, BMP180_OUT_MSB, buff, 3); |
Gaku0606 | 0:6953e7630b84 | 192 | UP = ((uint32_t)buff[0] << 16) | ((uint32_t)buff[1] << 8) | (uint32_t)buff[2]; |
Gaku0606 | 0:6953e7630b84 | 193 | UP = UP >> (8 - oss); |
Gaku0606 | 0:6953e7630b84 | 194 | |
Gaku0606 | 0:6953e7630b84 | 195 | //値更新 update pressure and tempsrature |
Gaku0606 | 0:6953e7630b84 | 196 | temperature = CaluculateTrueTemperature(); |
Gaku0606 | 0:6953e7630b84 | 197 | pressure = CaluculateTruePressure(); |
Gaku0606 | 0:6953e7630b84 | 198 | } |
Gaku0606 | 0:6953e7630b84 | 199 | |
Gaku0606 | 0:6953e7630b84 | 200 | //生の温度データを校正係数で補正する |
Gaku0606 | 0:6953e7630b84 | 201 | //raw temp data change to accurate data |
Gaku0606 | 0:6953e7630b84 | 202 | float CaluculateTrueTemperature() { |
Gaku0606 | 0:6953e7630b84 | 203 | |
Gaku0606 | 0:6953e7630b84 | 204 | X1 = ((UT - AC6) * AC5) >> 15; |
Gaku0606 | 0:6953e7630b84 | 205 | X2 = ((long)MC << 11) / (X1 + MD); |
Gaku0606 | 0:6953e7630b84 | 206 | B5 = X1 + X2; |
Gaku0606 | 0:6953e7630b84 | 207 | T = (B5 + 8) >> 4; |
Gaku0606 | 0:6953e7630b84 | 208 | return T * 0.1f; |
Gaku0606 | 0:6953e7630b84 | 209 | } |
Gaku0606 | 0:6953e7630b84 | 210 | |
Gaku0606 | 0:6953e7630b84 | 211 | //生の気圧データを校正係数で補正する |
Gaku0606 | 0:6953e7630b84 | 212 | //raw press data change to accurate data |
Gaku0606 | 0:6953e7630b84 | 213 | float CaluculateTruePressure() { |
Gaku0606 | 0:6953e7630b84 | 214 | B6 = B5 - 4000; |
Gaku0606 | 0:6953e7630b84 | 215 | X1 = (B2*((B6*B6) >> 12)) >> 11; |
Gaku0606 | 0:6953e7630b84 | 216 | X2 = AC2 * B6 >> 11; |
Gaku0606 | 0:6953e7630b84 | 217 | X3 = X1 + X2; |
Gaku0606 | 0:6953e7630b84 | 218 | B3 = (((AC1 * 4 + X3) << oss) + 2) >> 2; |
Gaku0606 | 0:6953e7630b84 | 219 | X1 = AC3 * B6 >> 13; |
Gaku0606 | 0:6953e7630b84 | 220 | X2 = (B1 * (B6*B6 > 12)) >> 16; |
Gaku0606 | 0:6953e7630b84 | 221 | X3 = ((X1 + X2) + 2) >> 2; |
Gaku0606 | 0:6953e7630b84 | 222 | B4 = AC4 * (unsigned long)(X3 + 32768) >> 15; |
Gaku0606 | 0:6953e7630b84 | 223 | B7 = ((unsigned long)UP - B3) * (50000 >> oss); |
Gaku0606 | 0:6953e7630b84 | 224 | if (B7 < 0x80000000) { |
Gaku0606 | 0:6953e7630b84 | 225 | P = (B7 << 1) / B4; |
Gaku0606 | 0:6953e7630b84 | 226 | } |
Gaku0606 | 0:6953e7630b84 | 227 | else { |
Gaku0606 | 0:6953e7630b84 | 228 | P = (B7 / B4) << 1; |
Gaku0606 | 0:6953e7630b84 | 229 | } |
Gaku0606 | 0:6953e7630b84 | 230 | X1 = (P >> 8) * (P >> 8); |
Gaku0606 | 0:6953e7630b84 | 231 | X1 = (X1 * 3038) >> 16; |
Gaku0606 | 0:6953e7630b84 | 232 | X2 = (-7357 * P) >> 16; |
Gaku0606 | 0:6953e7630b84 | 233 | P += (X1 + X2 + 3791) >> 4; |
Gaku0606 | 0:6953e7630b84 | 234 | |
Gaku0606 | 0:6953e7630b84 | 235 | return P * 0.01f;//to hPa |
Gaku0606 | 0:6953e7630b84 | 236 | } |
Gaku0606 | 0:6953e7630b84 | 237 | |
Gaku0606 | 0:6953e7630b84 | 238 | public: |
Gaku0606 | 0:6953e7630b84 | 239 | float pressure; |
Gaku0606 | 0:6953e7630b84 | 240 | float temperature; |
Gaku0606 | 0:6953e7630b84 | 241 | |
Gaku0606 | 0:6953e7630b84 | 242 | private: |
Gaku0606 | 0:6953e7630b84 | 243 | I2C _i2c; |
Gaku0606 | 0:6953e7630b84 | 244 | Timeout tempTimer; |
Gaku0606 | 0:6953e7630b84 | 245 | Timeout pressTimer; |
Gaku0606 | 0:6953e7630b84 | 246 | int callFlag_temp; |
Gaku0606 | 0:6953e7630b84 | 247 | int callFlag_press; |
Gaku0606 | 0:6953e7630b84 | 248 | |
Gaku0606 | 0:6953e7630b84 | 249 | //気圧取得時にctrl_measレジスタに設定する値 |
Gaku0606 | 0:6953e7630b84 | 250 | char ctrl_meas; |
Gaku0606 | 0:6953e7630b84 | 251 | //over sampling |
Gaku0606 | 0:6953e7630b84 | 252 | int oss; |
Gaku0606 | 0:6953e7630b84 | 253 | //変換にかかる時間[us] |
Gaku0606 | 0:6953e7630b84 | 254 | int convertion_time; |
Gaku0606 | 0:6953e7630b84 | 255 | short AC1; |
Gaku0606 | 0:6953e7630b84 | 256 | short AC2; |
Gaku0606 | 0:6953e7630b84 | 257 | short AC3; |
Gaku0606 | 0:6953e7630b84 | 258 | unsigned short AC4; |
Gaku0606 | 0:6953e7630b84 | 259 | unsigned short AC5; |
Gaku0606 | 0:6953e7630b84 | 260 | unsigned short AC6; |
Gaku0606 | 0:6953e7630b84 | 261 | short B1; |
Gaku0606 | 0:6953e7630b84 | 262 | short B2; |
Gaku0606 | 0:6953e7630b84 | 263 | short MB; |
Gaku0606 | 0:6953e7630b84 | 264 | short MC; |
Gaku0606 | 0:6953e7630b84 | 265 | short MD; |
Gaku0606 | 0:6953e7630b84 | 266 | //ビット演算ができるようにintでなくlong |
Gaku0606 | 0:6953e7630b84 | 267 | long UT; |
Gaku0606 | 0:6953e7630b84 | 268 | long UP; |
Gaku0606 | 0:6953e7630b84 | 269 | long X1; |
Gaku0606 | 0:6953e7630b84 | 270 | long X2; |
Gaku0606 | 0:6953e7630b84 | 271 | long B5; |
Gaku0606 | 0:6953e7630b84 | 272 | long T; |
Gaku0606 | 0:6953e7630b84 | 273 | |
Gaku0606 | 0:6953e7630b84 | 274 | long X3; |
Gaku0606 | 0:6953e7630b84 | 275 | long B3; |
Gaku0606 | 0:6953e7630b84 | 276 | unsigned long B4; |
Gaku0606 | 0:6953e7630b84 | 277 | long B6; |
Gaku0606 | 0:6953e7630b84 | 278 | unsigned long B7; |
Gaku0606 | 0:6953e7630b84 | 279 | long P; |
Gaku0606 | 0:6953e7630b84 | 280 | |
Gaku0606 | 0:6953e7630b84 | 281 | |
Gaku0606 | 0:6953e7630b84 | 282 | inline void writeReg(char addr, char data) |
Gaku0606 | 0:6953e7630b84 | 283 | { |
Gaku0606 | 0:6953e7630b84 | 284 | _i2c.write(addr, &data, 1, false); |
Gaku0606 | 0:6953e7630b84 | 285 | } |
Gaku0606 | 0:6953e7630b84 | 286 | |
Gaku0606 | 0:6953e7630b84 | 287 | inline void writeReg(char addr, char reg, char data) |
Gaku0606 | 0:6953e7630b84 | 288 | { |
Gaku0606 | 0:6953e7630b84 | 289 | char temp[2] = { reg, data }; |
Gaku0606 | 0:6953e7630b84 | 290 | _i2c.write(addr, temp, 2, false); |
Gaku0606 | 0:6953e7630b84 | 291 | } |
Gaku0606 | 0:6953e7630b84 | 292 | |
Gaku0606 | 0:6953e7630b84 | 293 | inline char readReg(char addr, char reg) |
Gaku0606 | 0:6953e7630b84 | 294 | { |
Gaku0606 | 0:6953e7630b84 | 295 | char buff[1]; |
Gaku0606 | 0:6953e7630b84 | 296 | writeReg(addr, reg); |
Gaku0606 | 0:6953e7630b84 | 297 | _i2c.read(addr | 1, buff, 1, true); |
Gaku0606 | 0:6953e7630b84 | 298 | return buff[0]; |
Gaku0606 | 0:6953e7630b84 | 299 | } |
Gaku0606 | 0:6953e7630b84 | 300 | |
Gaku0606 | 0:6953e7630b84 | 301 | inline void readReg(char addr, char start_reg, char* buff, char num) |
Gaku0606 | 0:6953e7630b84 | 302 | { |
Gaku0606 | 0:6953e7630b84 | 303 | writeReg(addr, start_reg); |
Gaku0606 | 0:6953e7630b84 | 304 | _i2c.read(addr | 1, buff, num, true); |
Gaku0606 | 0:6953e7630b84 | 305 | } |
Gaku0606 | 0:6953e7630b84 | 306 | }; |