Arslan Test
Dependencies: AMS_ENS210_temp_humid_sensor
AMS_CCS811.cpp@11:ef2d4258cd15, 2017-01-24 (annotated)
- Committer:
- UHSLMarcus
- Date:
- Tue Jan 24 14:08:52 2017 +0000
- Revision:
- 11:ef2d4258cd15
- Parent:
- 10:225a71ec316c
- Child:
- 12:45065badca0f
initialized all the pointers to NULL
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
UHSLMarcus | 0:5edbf3550350 | 1 | |
UHSLMarcus | 2:e394671ef5f6 | 2 | #include "AMS_CCS811.h" |
UHSLMarcus | 11:ef2d4258cd15 | 3 | #include "messageParse.h" |
UHSLMarcus | 0:5edbf3550350 | 4 | |
UHSLMarcus | 11:ef2d4258cd15 | 5 | AMS_CCS811::AMS_CCS811(I2C * i2c, PinName n_wake_pin) : _n_wake_out(), _addr_out(), _int_data(), _ens210(), i2c() { |
UHSLMarcus | 5:41e97348e9e7 | 6 | _n_wake_out = new (std::nothrow) DigitalOut(n_wake_pin, 1); |
UHSLMarcus | 4:a6b8881eae87 | 7 | _i2c = i2c; |
UHSLMarcus | 0:5edbf3550350 | 8 | } |
UHSLMarcus | 0:5edbf3550350 | 9 | |
UHSLMarcus | 11:ef2d4258cd15 | 10 | AMS_CCS811::AMS_CCS811(I2C * i2c, PinName n_wake_pin, I2C * ens210_i2c) : _n_wake_out(), _addr_out(), _int_data(), _ens210(), i2c() { |
UHSLMarcus | 5:41e97348e9e7 | 11 | _n_wake_out = new (std::nothrow) DigitalOut(n_wake_pin, 1); |
UHSLMarcus | 0:5edbf3550350 | 12 | _i2c = i2c; |
UHSLMarcus | 7:5c95614a61ee | 13 | ens210_i2c_interface(ens210_i2c); |
UHSLMarcus | 0:5edbf3550350 | 14 | } |
UHSLMarcus | 0:5edbf3550350 | 15 | |
UHSLMarcus | 1:acfca1d3256d | 16 | AMS_CCS811::~AMS_CCS811() { |
UHSLMarcus | 1:acfca1d3256d | 17 | delete _n_wake_out; |
UHSLMarcus | 1:acfca1d3256d | 18 | delete _addr_out; |
UHSLMarcus | 1:acfca1d3256d | 19 | delete _int_data; |
UHSLMarcus | 7:5c95614a61ee | 20 | delete _ens210; |
UHSLMarcus | 1:acfca1d3256d | 21 | } |
UHSLMarcus | 1:acfca1d3256d | 22 | |
UHSLMarcus | 1:acfca1d3256d | 23 | bool AMS_CCS811::init() { |
UHSLMarcus | 5:41e97348e9e7 | 24 | |
UHSLMarcus | 5:41e97348e9e7 | 25 | bool success = false; |
UHSLMarcus | 5:41e97348e9e7 | 26 | |
UHSLMarcus | 5:41e97348e9e7 | 27 | _init_errors(); |
UHSLMarcus | 7:5c95614a61ee | 28 | _init_fractions(); |
UHSLMarcus | 5:41e97348e9e7 | 29 | set_defaults(); |
UHSLMarcus | 5:41e97348e9e7 | 30 | |
UHSLMarcus | 8:58a36d9218be | 31 | temp_reading = 0; |
UHSLMarcus | 8:58a36d9218be | 32 | humid_reading = 0; |
UHSLMarcus | 8:58a36d9218be | 33 | |
UHSLMarcus | 5:41e97348e9e7 | 34 | if (_n_wake_out) { |
UHSLMarcus | 5:41e97348e9e7 | 35 | |
UHSLMarcus | 5:41e97348e9e7 | 36 | int fw_mode = firmware_mode(); |
UHSLMarcus | 5:41e97348e9e7 | 37 | |
UHSLMarcus | 5:41e97348e9e7 | 38 | if (fw_mode == 1) { |
UHSLMarcus | 5:41e97348e9e7 | 39 | enable_ens210(true); |
UHSLMarcus | 5:41e97348e9e7 | 40 | success = write_config(); |
UHSLMarcus | 5:41e97348e9e7 | 41 | |
UHSLMarcus | 5:41e97348e9e7 | 42 | } else if (fw_mode == 0) { // is in boot mode, needs to be loaded into app mode |
UHSLMarcus | 5:41e97348e9e7 | 43 | if (boot_app_start()) // if succesfully writes to app_start, retry init |
UHSLMarcus | 5:41e97348e9e7 | 44 | init(); |
UHSLMarcus | 5:41e97348e9e7 | 45 | } |
UHSLMarcus | 5:41e97348e9e7 | 46 | } |
UHSLMarcus | 5:41e97348e9e7 | 47 | return success; |
UHSLMarcus | 4:a6b8881eae87 | 48 | } |
UHSLMarcus | 4:a6b8881eae87 | 49 | |
UHSLMarcus | 4:a6b8881eae87 | 50 | void AMS_CCS811::i2c_interface(I2C * i2c) { |
UHSLMarcus | 4:a6b8881eae87 | 51 | _i2c = i2c; |
UHSLMarcus | 4:a6b8881eae87 | 52 | } |
UHSLMarcus | 4:a6b8881eae87 | 53 | |
UHSLMarcus | 7:5c95614a61ee | 54 | bool AMS_CCS811::ens210_i2c_interface(I2C * i2c) { |
UHSLMarcus | 11:ef2d4258cd15 | 55 | |
UHSLMarcus | 7:5c95614a61ee | 56 | bool success; |
UHSLMarcus | 11:ef2d4258cd15 | 57 | |
UHSLMarcus | 7:5c95614a61ee | 58 | if (_ens210 == NULL) { |
UHSLMarcus | 7:5c95614a61ee | 59 | _ens210 = new (std::nothrow) AMS_ENS210(i2c, true, true); |
UHSLMarcus | 7:5c95614a61ee | 60 | if (_ens210 != NULL) { |
UHSLMarcus | 7:5c95614a61ee | 61 | if (_ens210->init()) { |
UHSLMarcus | 7:5c95614a61ee | 62 | success = _ens210->start(); |
UHSLMarcus | 7:5c95614a61ee | 63 | } |
UHSLMarcus | 7:5c95614a61ee | 64 | } |
UHSLMarcus | 7:5c95614a61ee | 65 | } else { |
UHSLMarcus | 7:5c95614a61ee | 66 | _ens210->i2c_interface(i2c); |
UHSLMarcus | 7:5c95614a61ee | 67 | success = true; |
UHSLMarcus | 7:5c95614a61ee | 68 | } |
UHSLMarcus | 7:5c95614a61ee | 69 | |
UHSLMarcus | 7:5c95614a61ee | 70 | if (!success) new_error(CCS811_LIB_ENS210_INIT_ID); |
UHSLMarcus | 7:5c95614a61ee | 71 | |
UHSLMarcus | 7:5c95614a61ee | 72 | return success; |
UHSLMarcus | 4:a6b8881eae87 | 73 | } |
UHSLMarcus | 4:a6b8881eae87 | 74 | |
UHSLMarcus | 4:a6b8881eae87 | 75 | bool AMS_CCS811::enable_ens210(bool enable) { |
UHSLMarcus | 4:a6b8881eae87 | 76 | |
UHSLMarcus | 4:a6b8881eae87 | 77 | _ens210_enabled = false; |
UHSLMarcus | 7:5c95614a61ee | 78 | if (_ens210 != NULL) { |
UHSLMarcus | 7:5c95614a61ee | 79 | if (_ens210->i2c_interface() != NULL) _ens210_enabled = enable; |
UHSLMarcus | 7:5c95614a61ee | 80 | } |
UHSLMarcus | 4:a6b8881eae87 | 81 | update_ens210_timer(); |
UHSLMarcus | 4:a6b8881eae87 | 82 | return _ens210_enabled; |
UHSLMarcus | 4:a6b8881eae87 | 83 | } |
UHSLMarcus | 4:a6b8881eae87 | 84 | |
UHSLMarcus | 4:a6b8881eae87 | 85 | bool AMS_CCS811::ens210_is_enabled() { |
UHSLMarcus | 7:5c95614a61ee | 86 | enable_ens210(_ens210_enabled); // Make sure the state is representive |
UHSLMarcus | 4:a6b8881eae87 | 87 | return _ens210_enabled; |
UHSLMarcus | 4:a6b8881eae87 | 88 | } |
UHSLMarcus | 4:a6b8881eae87 | 89 | |
UHSLMarcus | 4:a6b8881eae87 | 90 | void AMS_CCS811::ens210_poll_interval(int poll_ms) { |
UHSLMarcus | 4:a6b8881eae87 | 91 | _ens210_poll_split = poll_ms; |
UHSLMarcus | 7:5c95614a61ee | 92 | enable_ens210(_ens210_enabled); // makes sure the state is representive, and will also update the timer |
UHSLMarcus | 4:a6b8881eae87 | 93 | } |
UHSLMarcus | 4:a6b8881eae87 | 94 | |
UHSLMarcus | 4:a6b8881eae87 | 95 | int AMS_CCS811::ens210_poll_interval() { |
UHSLMarcus | 4:a6b8881eae87 | 96 | return _ens210_poll_split; |
UHSLMarcus | 1:acfca1d3256d | 97 | } |
UHSLMarcus | 1:acfca1d3256d | 98 | |
UHSLMarcus | 5:41e97348e9e7 | 99 | int AMS_CCS811::firmware_mode() { |
UHSLMarcus | 5:41e97348e9e7 | 100 | int firmware_result = -1; |
UHSLMarcus | 5:41e97348e9e7 | 101 | |
UHSLMarcus | 6:22c0a7f2ece2 | 102 | clear_errors(); |
UHSLMarcus | 6:22c0a7f2ece2 | 103 | |
UHSLMarcus | 5:41e97348e9e7 | 104 | read_byte_result read_result = read_status(); |
UHSLMarcus | 5:41e97348e9e7 | 105 | if (read_result.success) { |
UHSLMarcus | 5:41e97348e9e7 | 106 | firmware_result = (read_result.byte >> 7) & 1; |
UHSLMarcus | 6:22c0a7f2ece2 | 107 | } |
UHSLMarcus | 5:41e97348e9e7 | 108 | |
UHSLMarcus | 5:41e97348e9e7 | 109 | return firmware_result; |
UHSLMarcus | 5:41e97348e9e7 | 110 | } |
UHSLMarcus | 5:41e97348e9e7 | 111 | |
UHSLMarcus | 1:acfca1d3256d | 112 | bool AMS_CCS811::mode(OP_MODES mode) { |
UHSLMarcus | 6:22c0a7f2ece2 | 113 | clear_errors(); |
UHSLMarcus | 6:22c0a7f2ece2 | 114 | |
UHSLMarcus | 1:acfca1d3256d | 115 | OP_MODES old = _mode; // incase the write fails, to roll back |
UHSLMarcus | 1:acfca1d3256d | 116 | _mode = mode; |
UHSLMarcus | 1:acfca1d3256d | 117 | |
UHSLMarcus | 1:acfca1d3256d | 118 | bool success = write_config(); |
UHSLMarcus | 1:acfca1d3256d | 119 | if (!success) |
UHSLMarcus | 1:acfca1d3256d | 120 | _mode = old; |
UHSLMarcus | 1:acfca1d3256d | 121 | |
UHSLMarcus | 1:acfca1d3256d | 122 | return success; |
UHSLMarcus | 1:acfca1d3256d | 123 | } |
UHSLMarcus | 1:acfca1d3256d | 124 | |
UHSLMarcus | 1:acfca1d3256d | 125 | AMS_CCS811::OP_MODES AMS_CCS811::mode() { |
UHSLMarcus | 6:22c0a7f2ece2 | 126 | clear_errors(); |
UHSLMarcus | 6:22c0a7f2ece2 | 127 | |
UHSLMarcus | 5:41e97348e9e7 | 128 | OP_MODES result = INVALID; |
UHSLMarcus | 1:acfca1d3256d | 129 | |
UHSLMarcus | 5:41e97348e9e7 | 130 | read_byte_result read_result = read_config(); |
UHSLMarcus | 1:acfca1d3256d | 131 | if (read_result.success) { |
UHSLMarcus | 1:acfca1d3256d | 132 | int mode = (read_result.byte >> 4) & 0b111; |
UHSLMarcus | 2:e394671ef5f6 | 133 | result = mode > 4 ? INVALID : (OP_MODES)mode; |
UHSLMarcus | 6:22c0a7f2ece2 | 134 | } |
UHSLMarcus | 1:acfca1d3256d | 135 | |
UHSLMarcus | 2:e394671ef5f6 | 136 | return result; |
UHSLMarcus | 1:acfca1d3256d | 137 | } |
UHSLMarcus | 1:acfca1d3256d | 138 | |
UHSLMarcus | 1:acfca1d3256d | 139 | bool AMS_CCS811::addr_mode(bool high) { |
UHSLMarcus | 1:acfca1d3256d | 140 | _addr_dir = high; |
UHSLMarcus | 5:41e97348e9e7 | 141 | if (_addr_out != NULL) _addr_out->write(_addr_dir); |
UHSLMarcus | 1:acfca1d3256d | 142 | |
UHSLMarcus | 2:e394671ef5f6 | 143 | update_slave_addr(); |
UHSLMarcus | 2:e394671ef5f6 | 144 | |
UHSLMarcus | 1:acfca1d3256d | 145 | return addr_mode() == high; |
UHSLMarcus | 1:acfca1d3256d | 146 | } |
UHSLMarcus | 1:acfca1d3256d | 147 | |
UHSLMarcus | 1:acfca1d3256d | 148 | bool AMS_CCS811::addr_mode() { |
UHSLMarcus | 1:acfca1d3256d | 149 | if (_addr_out != NULL) { |
UHSLMarcus | 5:41e97348e9e7 | 150 | _addr_dir = _addr_out->read(); |
UHSLMarcus | 1:acfca1d3256d | 151 | } |
UHSLMarcus | 1:acfca1d3256d | 152 | |
UHSLMarcus | 1:acfca1d3256d | 153 | return _addr_dir; |
UHSLMarcus | 1:acfca1d3256d | 154 | } |
UHSLMarcus | 1:acfca1d3256d | 155 | |
UHSLMarcus | 1:acfca1d3256d | 156 | bool AMS_CCS811::addr_pin(PinName pin) { |
UHSLMarcus | 1:acfca1d3256d | 157 | _addr_out = _addr_out == NULL ? new (std::nothrow) DigitalOut(pin) : new (_addr_out) DigitalOut(pin); |
UHSLMarcus | 1:acfca1d3256d | 158 | addr_mode(_addr_dir); |
UHSLMarcus | 1:acfca1d3256d | 159 | |
UHSLMarcus | 1:acfca1d3256d | 160 | return _addr_out != NULL; |
UHSLMarcus | 1:acfca1d3256d | 161 | } |
UHSLMarcus | 1:acfca1d3256d | 162 | |
UHSLMarcus | 1:acfca1d3256d | 163 | bool AMS_CCS811::n_wake_pin(PinName pin) { |
UHSLMarcus | 1:acfca1d3256d | 164 | _n_wake_out = _n_wake_out == NULL ? new (std::nothrow) DigitalOut(pin) : new (_n_wake_out) DigitalOut(pin); |
UHSLMarcus | 1:acfca1d3256d | 165 | return _n_wake_out != NULL; |
UHSLMarcus | 1:acfca1d3256d | 166 | } |
UHSLMarcus | 1:acfca1d3256d | 167 | |
UHSLMarcus | 2:e394671ef5f6 | 168 | bool AMS_CCS811::env_data(float humid, float temp) { |
UHSLMarcus | 7:5c95614a61ee | 169 | char bytes[4]; |
UHSLMarcus | 7:5c95614a61ee | 170 | if (humid > CCS811_MAX_HUMID) humid = CCS811_MAX_HUMID; |
UHSLMarcus | 7:5c95614a61ee | 171 | if (humid < 0) humid = 0; |
UHSLMarcus | 7:5c95614a61ee | 172 | |
UHSLMarcus | 7:5c95614a61ee | 173 | temp += 25; |
UHSLMarcus | 7:5c95614a61ee | 174 | if (temp > CCS811_MAX_TEMP) humid = CCS811_MAX_TEMP; |
UHSLMarcus | 7:5c95614a61ee | 175 | if (temp < 0) temp = 0; |
UHSLMarcus | 7:5c95614a61ee | 176 | |
UHSLMarcus | 7:5c95614a61ee | 177 | float_to_short(humid, bytes); |
UHSLMarcus | 7:5c95614a61ee | 178 | float_to_short(temp, bytes+2); |
UHSLMarcus | 7:5c95614a61ee | 179 | |
UHSLMarcus | 7:5c95614a61ee | 180 | return i2c_write(ENV_DATA, bytes, 4) == 4; |
UHSLMarcus | 1:acfca1d3256d | 181 | } |
UHSLMarcus | 1:acfca1d3256d | 182 | |
UHSLMarcus | 1:acfca1d3256d | 183 | |
UHSLMarcus | 5:41e97348e9e7 | 184 | int AMS_CCS811::has_new_data() { |
UHSLMarcus | 6:22c0a7f2ece2 | 185 | |
UHSLMarcus | 6:22c0a7f2ece2 | 186 | clear_errors(); |
UHSLMarcus | 6:22c0a7f2ece2 | 187 | |
UHSLMarcus | 5:41e97348e9e7 | 188 | int result = -1; |
UHSLMarcus | 5:41e97348e9e7 | 189 | |
UHSLMarcus | 6:22c0a7f2ece2 | 190 | char meas_mode[1]; |
UHSLMarcus | 6:22c0a7f2ece2 | 191 | if(i2c_read(MEAS_MODE, meas_mode, 1) == 1) { // one read here is quicker than calling read_config() twice |
UHSLMarcus | 6:22c0a7f2ece2 | 192 | |
UHSLMarcus | 6:22c0a7f2ece2 | 193 | int curr_mode = (meas_mode[0] >> 4) & 0b111; |
UHSLMarcus | 6:22c0a7f2ece2 | 194 | if (curr_mode < 5) { |
UHSLMarcus | 6:22c0a7f2ece2 | 195 | if (curr_mode > 0) { // check for all valid modes other than idle |
UHSLMarcus | 6:22c0a7f2ece2 | 196 | if (((meas_mode[0] >> 3) & 1) == 0) { // check if interrupts are disabled |
UHSLMarcus | 6:22c0a7f2ece2 | 197 | char status[1]; |
UHSLMarcus | 6:22c0a7f2ece2 | 198 | if (i2c_read(STATUS, status, 1) == 1) // for some reason the status register in ALG_RESULT_DATA is not updated after reading data, however the STATUS register is |
UHSLMarcus | 6:22c0a7f2ece2 | 199 | result = (status[0] >> 3) & 1; |
UHSLMarcus | 6:22c0a7f2ece2 | 200 | |
UHSLMarcus | 6:22c0a7f2ece2 | 201 | } else result = 1; |
UHSLMarcus | 6:22c0a7f2ece2 | 202 | |
UHSLMarcus | 6:22c0a7f2ece2 | 203 | if (result == 1) |
UHSLMarcus | 6:22c0a7f2ece2 | 204 | if (i2c_read(ALG_RESULT_DATA, _alg_result_data, 8) != 8) result = -1; |
UHSLMarcus | 6:22c0a7f2ece2 | 205 | |
UHSLMarcus | 6:22c0a7f2ece2 | 206 | |
UHSLMarcus | 6:22c0a7f2ece2 | 207 | } else result = 0; // return 0 when in idle |
UHSLMarcus | 6:22c0a7f2ece2 | 208 | } else new_error(CCS811_LIB_INV_MODE_ID); |
UHSLMarcus | 5:41e97348e9e7 | 209 | } |
UHSLMarcus | 5:41e97348e9e7 | 210 | |
UHSLMarcus | 5:41e97348e9e7 | 211 | return result; |
UHSLMarcus | 1:acfca1d3256d | 212 | } |
UHSLMarcus | 1:acfca1d3256d | 213 | |
UHSLMarcus | 1:acfca1d3256d | 214 | uint16_t AMS_CCS811::co2_read() { |
UHSLMarcus | 6:22c0a7f2ece2 | 215 | return 0 | (_alg_result_data[0] << 8) | _alg_result_data[1]; |
UHSLMarcus | 2:e394671ef5f6 | 216 | } |
UHSLMarcus | 1:acfca1d3256d | 217 | |
UHSLMarcus | 1:acfca1d3256d | 218 | uint16_t AMS_CCS811::tvoc_read() { |
UHSLMarcus | 6:22c0a7f2ece2 | 219 | return 0 | (_alg_result_data[2] << 8) | _alg_result_data[3]; |
UHSLMarcus | 1:acfca1d3256d | 220 | } |
UHSLMarcus | 1:acfca1d3256d | 221 | |
UHSLMarcus | 1:acfca1d3256d | 222 | uint16_t AMS_CCS811::raw_read() { |
UHSLMarcus | 6:22c0a7f2ece2 | 223 | return 0 | (_alg_result_data[6] << 8) | _alg_result_data[7]; |
UHSLMarcus | 1:acfca1d3256d | 224 | } |
UHSLMarcus | 1:acfca1d3256d | 225 | |
UHSLMarcus | 8:58a36d9218be | 226 | float AMS_CCS811::temp_read() { |
UHSLMarcus | 8:58a36d9218be | 227 | return temp_reading; |
UHSLMarcus | 8:58a36d9218be | 228 | } |
UHSLMarcus | 8:58a36d9218be | 229 | |
UHSLMarcus | 8:58a36d9218be | 230 | float AMS_CCS811::humid_read() { |
UHSLMarcus | 8:58a36d9218be | 231 | return humid_reading; |
UHSLMarcus | 8:58a36d9218be | 232 | } |
UHSLMarcus | 8:58a36d9218be | 233 | |
UHSLMarcus | 5:41e97348e9e7 | 234 | bool AMS_CCS811::error_status() { |
UHSLMarcus | 5:41e97348e9e7 | 235 | bool result = false; |
UHSLMarcus | 5:41e97348e9e7 | 236 | |
UHSLMarcus | 5:41e97348e9e7 | 237 | read_byte_result read_result = read_status(); |
UHSLMarcus | 5:41e97348e9e7 | 238 | if (read_result.success) { |
UHSLMarcus | 5:41e97348e9e7 | 239 | result = read_result.byte & 1; |
UHSLMarcus | 5:41e97348e9e7 | 240 | } |
UHSLMarcus | 5:41e97348e9e7 | 241 | |
UHSLMarcus | 5:41e97348e9e7 | 242 | result = result || (_error_count > 0); |
UHSLMarcus | 5:41e97348e9e7 | 243 | |
UHSLMarcus | 5:41e97348e9e7 | 244 | return result; |
UHSLMarcus | 5:41e97348e9e7 | 245 | } |
UHSLMarcus | 5:41e97348e9e7 | 246 | |
UHSLMarcus | 5:41e97348e9e7 | 247 | AMS_CCS811::ccs811_errors AMS_CCS811::errors() { |
UHSLMarcus | 5:41e97348e9e7 | 248 | ccs811_errors error_result; |
UHSLMarcus | 5:41e97348e9e7 | 249 | |
UHSLMarcus | 5:41e97348e9e7 | 250 | char byte[1]; |
UHSLMarcus | 5:41e97348e9e7 | 251 | if (i2c_read(ERROR_ID, byte, 1) == 1) { |
UHSLMarcus | 5:41e97348e9e7 | 252 | for(int i = 0; i < CCS811_ERR_NUM; i++) { |
UHSLMarcus | 5:41e97348e9e7 | 253 | if ((byte[0] << i) & 1) { |
UHSLMarcus | 5:41e97348e9e7 | 254 | error_result.codes[error_result.count++] = i; |
UHSLMarcus | 5:41e97348e9e7 | 255 | } |
UHSLMarcus | 5:41e97348e9e7 | 256 | } |
UHSLMarcus | 5:41e97348e9e7 | 257 | } |
UHSLMarcus | 5:41e97348e9e7 | 258 | for(int i = 0; i < CCS811_LIB_ERR_NUM; i++) { |
UHSLMarcus | 5:41e97348e9e7 | 259 | if (_errors[i]) { |
UHSLMarcus | 5:41e97348e9e7 | 260 | error_result.codes[error_result.count++] = i + CCS811_ERR_NUM; |
UHSLMarcus | 5:41e97348e9e7 | 261 | } |
UHSLMarcus | 5:41e97348e9e7 | 262 | } |
UHSLMarcus | 5:41e97348e9e7 | 263 | |
UHSLMarcus | 5:41e97348e9e7 | 264 | return error_result; |
UHSLMarcus | 5:41e97348e9e7 | 265 | |
UHSLMarcus | 5:41e97348e9e7 | 266 | } |
UHSLMarcus | 5:41e97348e9e7 | 267 | |
UHSLMarcus | 5:41e97348e9e7 | 268 | const char * AMS_CCS811::error_string(int err_code){ |
UHSLMarcus | 5:41e97348e9e7 | 269 | static char result[255]; |
UHSLMarcus | 5:41e97348e9e7 | 270 | result[0] = 0; |
UHSLMarcus | 5:41e97348e9e7 | 271 | if (err_code < CCS811_TOTAL_ERR_NUM && err_code > -1) |
UHSLMarcus | 5:41e97348e9e7 | 272 | strcpy(result, _error_strings[err_code]); |
UHSLMarcus | 5:41e97348e9e7 | 273 | else |
UHSLMarcus | 5:41e97348e9e7 | 274 | sprintf(result, "Invalid Code: %d is out of range (0 - %d)", err_code, CCS811_TOTAL_ERR_NUM-1); |
UHSLMarcus | 5:41e97348e9e7 | 275 | |
UHSLMarcus | 5:41e97348e9e7 | 276 | return result; |
UHSLMarcus | 1:acfca1d3256d | 277 | } |
UHSLMarcus | 1:acfca1d3256d | 278 | |
UHSLMarcus | 1:acfca1d3256d | 279 | bool AMS_CCS811::enable_interupt(bool enable) { |
UHSLMarcus | 1:acfca1d3256d | 280 | bool old = _int_data_enabled; // incase the write fails, to roll back |
UHSLMarcus | 1:acfca1d3256d | 281 | _int_data_enabled = enable; |
UHSLMarcus | 1:acfca1d3256d | 282 | |
UHSLMarcus | 1:acfca1d3256d | 283 | bool success = write_config(); |
UHSLMarcus | 1:acfca1d3256d | 284 | if (!success) |
UHSLMarcus | 1:acfca1d3256d | 285 | _int_data_enabled = old; |
UHSLMarcus | 1:acfca1d3256d | 286 | |
UHSLMarcus | 1:acfca1d3256d | 287 | return success; |
UHSLMarcus | 1:acfca1d3256d | 288 | |
UHSLMarcus | 1:acfca1d3256d | 289 | } |
UHSLMarcus | 1:acfca1d3256d | 290 | |
UHSLMarcus | 5:41e97348e9e7 | 291 | int AMS_CCS811::interupt_enabled() { |
UHSLMarcus | 5:41e97348e9e7 | 292 | int enabled = -1; |
UHSLMarcus | 1:acfca1d3256d | 293 | |
UHSLMarcus | 5:41e97348e9e7 | 294 | read_byte_result read_result = read_config(); |
UHSLMarcus | 1:acfca1d3256d | 295 | if (read_result.success) { |
UHSLMarcus | 1:acfca1d3256d | 296 | enabled = (read_result.byte >> 3) & 1; |
UHSLMarcus | 6:22c0a7f2ece2 | 297 | } |
UHSLMarcus | 1:acfca1d3256d | 298 | |
UHSLMarcus | 2:e394671ef5f6 | 299 | return enabled; |
UHSLMarcus | 1:acfca1d3256d | 300 | } |
UHSLMarcus | 1:acfca1d3256d | 301 | |
UHSLMarcus | 1:acfca1d3256d | 302 | bool AMS_CCS811::interrupt_pin(PinName pin) { |
UHSLMarcus | 1:acfca1d3256d | 303 | bool success = false; |
UHSLMarcus | 1:acfca1d3256d | 304 | |
UHSLMarcus | 2:e394671ef5f6 | 305 | _int_data = _int_data == NULL ? new (std::nothrow) InterruptIn(pin) : new (_int_data) InterruptIn(pin); |
UHSLMarcus | 1:acfca1d3256d | 306 | if (_int_data != NULL) { |
UHSLMarcus | 2:e394671ef5f6 | 307 | _int_data->fall(callback(this, &AMS_CCS811::_isr_data)); |
UHSLMarcus | 1:acfca1d3256d | 308 | success = true; |
UHSLMarcus | 1:acfca1d3256d | 309 | } |
UHSLMarcus | 1:acfca1d3256d | 310 | |
UHSLMarcus | 1:acfca1d3256d | 311 | return success; |
UHSLMarcus | 1:acfca1d3256d | 312 | } |
UHSLMarcus | 0:5edbf3550350 | 313 | |
UHSLMarcus | 0:5edbf3550350 | 314 | |
UHSLMarcus | 0:5edbf3550350 | 315 | |
UHSLMarcus | 1:acfca1d3256d | 316 | |
UHSLMarcus | 1:acfca1d3256d | 317 | /** Private **/ |
UHSLMarcus | 1:acfca1d3256d | 318 | |
UHSLMarcus | 5:41e97348e9e7 | 319 | void AMS_CCS811::set_defaults() { |
UHSLMarcus | 1:acfca1d3256d | 320 | if (_mode == NULL) |
UHSLMarcus | 1:acfca1d3256d | 321 | _mode = CONFIG_OP_MODE; |
UHSLMarcus | 1:acfca1d3256d | 322 | if (_addr_dir == NULL) |
UHSLMarcus | 1:acfca1d3256d | 323 | _addr_dir = CONFIG_ADDR_DIR; |
UHSLMarcus | 1:acfca1d3256d | 324 | if (_int_data_enabled == NULL) |
UHSLMarcus | 1:acfca1d3256d | 325 | _int_data_enabled = CONFIG_INTR; |
UHSLMarcus | 2:e394671ef5f6 | 326 | if (_ens210_poll_split == NULL) |
UHSLMarcus | 2:e394671ef5f6 | 327 | _ens210_poll_split = CONFIG_ENS210_POLL; |
UHSLMarcus | 2:e394671ef5f6 | 328 | |
UHSLMarcus | 5:41e97348e9e7 | 329 | update_slave_addr(); |
UHSLMarcus | 5:41e97348e9e7 | 330 | } |
UHSLMarcus | 5:41e97348e9e7 | 331 | |
UHSLMarcus | 5:41e97348e9e7 | 332 | void AMS_CCS811::_init_errors() { |
UHSLMarcus | 5:41e97348e9e7 | 333 | clear_errors(); |
UHSLMarcus | 5:41e97348e9e7 | 334 | /* Sensor errors */ |
UHSLMarcus | 5:41e97348e9e7 | 335 | strcpy(_error_strings[0], CCS811_WRITE_REG_INVALID); |
UHSLMarcus | 5:41e97348e9e7 | 336 | strcpy(_error_strings[1], CCS811_READ_REG_INVALID); |
UHSLMarcus | 5:41e97348e9e7 | 337 | strcpy(_error_strings[2], CCS811_MEASMODE_INVALID); |
UHSLMarcus | 5:41e97348e9e7 | 338 | strcpy(_error_strings[3], CCS811_MAX_RESISTANCE); |
UHSLMarcus | 5:41e97348e9e7 | 339 | strcpy(_error_strings[4], CCS811_HEATER_FAULT); |
UHSLMarcus | 5:41e97348e9e7 | 340 | strcpy(_error_strings[5], CCS811_HEATER_SUPPLY); |
UHSLMarcus | 5:41e97348e9e7 | 341 | strcpy(_error_strings[6], CCS811_RESERVED); |
UHSLMarcus | 5:41e97348e9e7 | 342 | strcpy(_error_strings[7], CCS811_RESERVED); |
UHSLMarcus | 5:41e97348e9e7 | 343 | /* Library errors */ |
UHSLMarcus | 5:41e97348e9e7 | 344 | strcpy(_error_strings[CCS811_LIB_N_WAKE_ID+CCS811_ERR_NUM], CCS811_LIB_N_WAKE); |
UHSLMarcus | 5:41e97348e9e7 | 345 | strcpy(_error_strings[CCS811_LIB_I2C_ID+CCS811_ERR_NUM], CCS811_LIB_I2C); |
UHSLMarcus | 5:41e97348e9e7 | 346 | strcpy(_error_strings[CCS811_LIB_SLAVE_W_ID+CCS811_ERR_NUM], CCS811_LIB_SLAVE_W); |
UHSLMarcus | 5:41e97348e9e7 | 347 | strcpy(_error_strings[CCS811_LIB_REG_ADDR_ID+CCS811_ERR_NUM], CCS811_LIB_REG_ADDR); |
UHSLMarcus | 5:41e97348e9e7 | 348 | strcpy(_error_strings[CCS811_LIB_I2CWRITE_ID+CCS811_ERR_NUM], CCS811_LIB_I2CWRITE); |
UHSLMarcus | 5:41e97348e9e7 | 349 | strcpy(_error_strings[CCS811_LIB_SLAVE_R_ID+CCS811_ERR_NUM], CCS811_LIB_SLAVE_R); |
UHSLMarcus | 6:22c0a7f2ece2 | 350 | strcpy(_error_strings[CCS811_LIB_INV_MODE_ID+CCS811_ERR_NUM], CCS811_LIB_INV_MODE); |
UHSLMarcus | 7:5c95614a61ee | 351 | strcpy(_error_strings[CCS811_LIB_ENS210_INIT_ID+CCS811_ERR_NUM], CCS811_LIB_ENS210_INIT); |
UHSLMarcus | 5:41e97348e9e7 | 352 | } |
UHSLMarcus | 5:41e97348e9e7 | 353 | |
UHSLMarcus | 5:41e97348e9e7 | 354 | void AMS_CCS811::clear_errors() { |
UHSLMarcus | 5:41e97348e9e7 | 355 | _error_count = 0; |
UHSLMarcus | 5:41e97348e9e7 | 356 | for (int i = 0; i < CCS811_LIB_ERR_NUM; i++) { |
UHSLMarcus | 5:41e97348e9e7 | 357 | _errors[i] = false; |
UHSLMarcus | 5:41e97348e9e7 | 358 | } |
UHSLMarcus | 5:41e97348e9e7 | 359 | } |
UHSLMarcus | 5:41e97348e9e7 | 360 | |
UHSLMarcus | 5:41e97348e9e7 | 361 | void AMS_CCS811::new_error(int error_id) { |
UHSLMarcus | 5:41e97348e9e7 | 362 | if (!_errors[error_id]) { |
UHSLMarcus | 5:41e97348e9e7 | 363 | _errors[error_id] = true; |
UHSLMarcus | 5:41e97348e9e7 | 364 | _error_count++; |
UHSLMarcus | 5:41e97348e9e7 | 365 | } |
UHSLMarcus | 1:acfca1d3256d | 366 | } |
UHSLMarcus | 2:e394671ef5f6 | 367 | |
UHSLMarcus | 4:a6b8881eae87 | 368 | void AMS_CCS811::update_ens210_timer() { |
UHSLMarcus | 4:a6b8881eae87 | 369 | _ens210_poll_t.detach(); |
UHSLMarcus | 4:a6b8881eae87 | 370 | if (_ens210_enabled) |
UHSLMarcus | 4:a6b8881eae87 | 371 | _ens210_poll_t.attach_us(callback(this, &AMS_CCS811::ens210_isr), _ens210_poll_split*1000); |
UHSLMarcus | 4:a6b8881eae87 | 372 | } |
UHSLMarcus | 4:a6b8881eae87 | 373 | |
UHSLMarcus | 4:a6b8881eae87 | 374 | void AMS_CCS811::ens210_isr() { |
UHSLMarcus | 8:58a36d9218be | 375 | temp_reading = ((float)_ens210->temp_read() / 64) - - 273.15; |
UHSLMarcus | 8:58a36d9218be | 376 | humid_reading = (float)_ens210->humid_read()/512; |
UHSLMarcus | 8:58a36d9218be | 377 | env_data(humid_reading, temp_reading); |
UHSLMarcus | 7:5c95614a61ee | 378 | } |
UHSLMarcus | 7:5c95614a61ee | 379 | |
UHSLMarcus | 7:5c95614a61ee | 380 | void AMS_CCS811::_init_fractions() { |
UHSLMarcus | 7:5c95614a61ee | 381 | |
UHSLMarcus | 7:5c95614a61ee | 382 | fractions[0] = 0.5; |
UHSLMarcus | 7:5c95614a61ee | 383 | fractions[1] = 0.25; |
UHSLMarcus | 7:5c95614a61ee | 384 | fractions[2] = 0.125; |
UHSLMarcus | 7:5c95614a61ee | 385 | fractions[3] = 0.0625; |
UHSLMarcus | 7:5c95614a61ee | 386 | fractions[4] = 0.03125; |
UHSLMarcus | 7:5c95614a61ee | 387 | fractions[5] = 0.015625; |
UHSLMarcus | 7:5c95614a61ee | 388 | fractions[6] = 0.0078125; |
UHSLMarcus | 7:5c95614a61ee | 389 | fractions[7] = 0.00390625; |
UHSLMarcus | 7:5c95614a61ee | 390 | fractions[8] = 0.001953125; |
UHSLMarcus | 7:5c95614a61ee | 391 | |
UHSLMarcus | 7:5c95614a61ee | 392 | } |
UHSLMarcus | 7:5c95614a61ee | 393 | |
UHSLMarcus | 7:5c95614a61ee | 394 | void AMS_CCS811::float_to_short(float in, char * output) { |
UHSLMarcus | 7:5c95614a61ee | 395 | |
UHSLMarcus | 7:5c95614a61ee | 396 | uint8_t int_part = (uint8_t)in; |
UHSLMarcus | 7:5c95614a61ee | 397 | float dec_part = in - int_part; |
UHSLMarcus | 7:5c95614a61ee | 398 | |
UHSLMarcus | 7:5c95614a61ee | 399 | uint16_t _short = 0; |
UHSLMarcus | 7:5c95614a61ee | 400 | for (int i = 0; i < 9; i++) { |
UHSLMarcus | 7:5c95614a61ee | 401 | if (dec_part == 0) break; |
UHSLMarcus | 7:5c95614a61ee | 402 | if (dec_part >= fractions[i]) { |
UHSLMarcus | 7:5c95614a61ee | 403 | dec_part -= fractions[i]; |
UHSLMarcus | 7:5c95614a61ee | 404 | _short |= 256 >> i; |
UHSLMarcus | 10:225a71ec316c | 405 | } |
UHSLMarcus | 7:5c95614a61ee | 406 | } |
UHSLMarcus | 7:5c95614a61ee | 407 | |
UHSLMarcus | 7:5c95614a61ee | 408 | _short |= int_part << 9; |
UHSLMarcus | 7:5c95614a61ee | 409 | |
UHSLMarcus | 7:5c95614a61ee | 410 | output[0] = _short >> 8; |
UHSLMarcus | 7:5c95614a61ee | 411 | output[1] = _short; |
UHSLMarcus | 4:a6b8881eae87 | 412 | } |
UHSLMarcus | 4:a6b8881eae87 | 413 | |
UHSLMarcus | 3:782a719f47a5 | 414 | void AMS_CCS811::update_slave_addr() { |
UHSLMarcus | 5:41e97348e9e7 | 415 | _slave_addr = addr_mode() ? CCS811_SLAVE_ADDR_RAW_H : CCS811_SLAVE_ADDR_RAW_L; |
UHSLMarcus | 2:e394671ef5f6 | 416 | } |
UHSLMarcus | 1:acfca1d3256d | 417 | |
UHSLMarcus | 1:acfca1d3256d | 418 | void AMS_CCS811::_isr_data() { |
UHSLMarcus | 6:22c0a7f2ece2 | 419 | has_new_data(); // populate the data array |
UHSLMarcus | 3:782a719f47a5 | 420 | _isr_data_fp.call(); |
UHSLMarcus | 1:acfca1d3256d | 421 | } |
UHSLMarcus | 1:acfca1d3256d | 422 | |
UHSLMarcus | 1:acfca1d3256d | 423 | bool AMS_CCS811::write_config() { |
UHSLMarcus | 3:782a719f47a5 | 424 | char cmd[1] = {0 | (_int_data_enabled << 3) | (_mode << 4)}; |
UHSLMarcus | 5:41e97348e9e7 | 425 | return i2c_write(MEAS_MODE, cmd, 1) == 1; |
UHSLMarcus | 5:41e97348e9e7 | 426 | } |
UHSLMarcus | 5:41e97348e9e7 | 427 | |
UHSLMarcus | 5:41e97348e9e7 | 428 | AMS_CCS811::read_byte_result AMS_CCS811::read_config() { |
UHSLMarcus | 5:41e97348e9e7 | 429 | read_byte_result result; |
UHSLMarcus | 5:41e97348e9e7 | 430 | char byte[1]; |
UHSLMarcus | 5:41e97348e9e7 | 431 | if (i2c_read(MEAS_MODE, byte, 1) == 1) { |
UHSLMarcus | 5:41e97348e9e7 | 432 | result.success = true; |
UHSLMarcus | 5:41e97348e9e7 | 433 | result.byte = byte[0]; |
UHSLMarcus | 5:41e97348e9e7 | 434 | } |
UHSLMarcus | 5:41e97348e9e7 | 435 | return result; |
UHSLMarcus | 1:acfca1d3256d | 436 | } |
UHSLMarcus | 1:acfca1d3256d | 437 | |
UHSLMarcus | 5:41e97348e9e7 | 438 | AMS_CCS811::read_byte_result AMS_CCS811::read_status() { |
UHSLMarcus | 5:41e97348e9e7 | 439 | read_byte_result result; |
UHSLMarcus | 2:e394671ef5f6 | 440 | char byte[1]; |
UHSLMarcus | 5:41e97348e9e7 | 441 | if (i2c_read(STATUS, byte, 1) == 1) { |
UHSLMarcus | 2:e394671ef5f6 | 442 | result.success = true; |
UHSLMarcus | 5:41e97348e9e7 | 443 | result.byte = byte[0]; |
UHSLMarcus | 5:41e97348e9e7 | 444 | } |
UHSLMarcus | 6:22c0a7f2ece2 | 445 | |
UHSLMarcus | 5:41e97348e9e7 | 446 | return result; |
UHSLMarcus | 5:41e97348e9e7 | 447 | } |
UHSLMarcus | 5:41e97348e9e7 | 448 | |
UHSLMarcus | 5:41e97348e9e7 | 449 | bool AMS_CCS811::boot_app_start() { |
UHSLMarcus | 5:41e97348e9e7 | 450 | bool success = false; |
UHSLMarcus | 5:41e97348e9e7 | 451 | |
UHSLMarcus | 5:41e97348e9e7 | 452 | if (i2c_write(APP_START, NULL, 0) == 0) { |
UHSLMarcus | 5:41e97348e9e7 | 453 | wait_ms(70); |
UHSLMarcus | 5:41e97348e9e7 | 454 | success = true; |
UHSLMarcus | 2:e394671ef5f6 | 455 | } |
UHSLMarcus | 2:e394671ef5f6 | 456 | |
UHSLMarcus | 5:41e97348e9e7 | 457 | return success; |
UHSLMarcus | 2:e394671ef5f6 | 458 | } |
UHSLMarcus | 2:e394671ef5f6 | 459 | |
UHSLMarcus | 2:e394671ef5f6 | 460 | int AMS_CCS811::i2c_read(char reg_addr, char* output, int len) { |
UHSLMarcus | 2:e394671ef5f6 | 461 | |
UHSLMarcus | 2:e394671ef5f6 | 462 | int read_count = 0; |
UHSLMarcus | 2:e394671ef5f6 | 463 | if (_n_wake_out != NULL) { // check nWAKE pin is set |
UHSLMarcus | 5:41e97348e9e7 | 464 | _n_wake_out->write(0); // Hold low |
UHSLMarcus | 5:41e97348e9e7 | 465 | wait_us(CCS811_T_AWAKE); // tAWAKE time to allow sensor I2C to wake up |
UHSLMarcus | 2:e394671ef5f6 | 466 | if (_i2c != NULL) { // check I2C interface is set |
UHSLMarcus | 2:e394671ef5f6 | 467 | _i2c->start(); // send start condition for write |
UHSLMarcus | 5:41e97348e9e7 | 468 | if(_i2c->write(CCS811_SLAVE_ADDR_W) == 1) { // write slave address with write bit |
UHSLMarcus | 2:e394671ef5f6 | 469 | if(_i2c->write(reg_addr) == 1) { // write register address |
UHSLMarcus | 2:e394671ef5f6 | 470 | _i2c->start(); // send another start condition for read |
UHSLMarcus | 5:41e97348e9e7 | 471 | if(_i2c->write(CCS811_SLAVE_ADDR_R) == 1) { // write slave address with read bit |
UHSLMarcus | 2:e394671ef5f6 | 472 | for (int i = 0; i < len; i++) { // read len bytes |
UHSLMarcus | 2:e394671ef5f6 | 473 | output[i] = _i2c->read(i < len-1 ? 1 : 0); // ack all reads aside from the final one (i == len-1) |
UHSLMarcus | 2:e394671ef5f6 | 474 | read_count++; |
UHSLMarcus | 2:e394671ef5f6 | 475 | } |
UHSLMarcus | 5:41e97348e9e7 | 476 | } else new_error(CCS811_LIB_SLAVE_R_ID); |
UHSLMarcus | 5:41e97348e9e7 | 477 | } else new_error(CCS811_LIB_REG_ADDR_ID); |
UHSLMarcus | 5:41e97348e9e7 | 478 | } else new_error(CCS811_LIB_SLAVE_W_ID); |
UHSLMarcus | 2:e394671ef5f6 | 479 | _i2c->stop(); // send stop condition |
UHSLMarcus | 5:41e97348e9e7 | 480 | } else new_error(CCS811_LIB_I2C_ID); |
UHSLMarcus | 5:41e97348e9e7 | 481 | _n_wake_out->write(1); // Set back to high |
UHSLMarcus | 5:41e97348e9e7 | 482 | wait_us(CCS811_T_DWAKE); // tDWAKE time to allow sensor I2C to sleep |
UHSLMarcus | 5:41e97348e9e7 | 483 | } else new_error(CCS811_LIB_N_WAKE_ID); |
UHSLMarcus | 2:e394671ef5f6 | 484 | |
UHSLMarcus | 2:e394671ef5f6 | 485 | return read_count; |
UHSLMarcus | 2:e394671ef5f6 | 486 | } |
UHSLMarcus | 2:e394671ef5f6 | 487 | |
UHSLMarcus | 5:41e97348e9e7 | 488 | int AMS_CCS811::i2c_write(char reg_addr, char* input, int len) { |
UHSLMarcus | 2:e394671ef5f6 | 489 | |
UHSLMarcus | 5:41e97348e9e7 | 490 | int write_count = -1; |
UHSLMarcus | 2:e394671ef5f6 | 491 | if (_n_wake_out != NULL) { // check nWAKE pin is set |
UHSLMarcus | 5:41e97348e9e7 | 492 | _n_wake_out->write(0); // Hold low |
UHSLMarcus | 5:41e97348e9e7 | 493 | wait_us(CCS811_T_AWAKE); // tAWAKE time to allow sensor I2C to wake up |
UHSLMarcus | 2:e394671ef5f6 | 494 | if (_i2c != NULL) { // check I2C interface is set |
UHSLMarcus | 2:e394671ef5f6 | 495 | _i2c->start(); // send start condition for write |
UHSLMarcus | 5:41e97348e9e7 | 496 | if(_i2c->write(CCS811_SLAVE_ADDR_W) == 1) { // write slave address |
UHSLMarcus | 2:e394671ef5f6 | 497 | if(_i2c->write(reg_addr) == 1) { // write register address |
UHSLMarcus | 5:41e97348e9e7 | 498 | write_count = 0; |
UHSLMarcus | 2:e394671ef5f6 | 499 | for (int i = 0; i < len; i++) { // write len bytes |
UHSLMarcus | 2:e394671ef5f6 | 500 | if(_i2c->write(input[i]) == 1) write_count++; // write each byte, if successful increment count |
UHSLMarcus | 5:41e97348e9e7 | 501 | else new_error(CCS811_LIB_I2CWRITE_ID); |
UHSLMarcus | 2:e394671ef5f6 | 502 | } |
UHSLMarcus | 5:41e97348e9e7 | 503 | } else new_error(CCS811_LIB_REG_ADDR_ID); |
UHSLMarcus | 5:41e97348e9e7 | 504 | } else new_error(CCS811_LIB_SLAVE_W_ID); |
UHSLMarcus | 2:e394671ef5f6 | 505 | _i2c->stop(); // send stop condition |
UHSLMarcus | 5:41e97348e9e7 | 506 | } else new_error(CCS811_LIB_I2C_ID); |
UHSLMarcus | 5:41e97348e9e7 | 507 | _n_wake_out->write(1); // set back to high |
UHSLMarcus | 5:41e97348e9e7 | 508 | wait_us(CCS811_T_DWAKE); // tDWAKE time to allow sensor I2C to sleep |
UHSLMarcus | 5:41e97348e9e7 | 509 | }else new_error(CCS811_LIB_N_WAKE_ID); |
UHSLMarcus | 2:e394671ef5f6 | 510 | |
UHSLMarcus | 2:e394671ef5f6 | 511 | return write_count; |
UHSLMarcus | 1:acfca1d3256d | 512 | } |