Sensor Code By Jorge Troncoso
Dependencies: Sensor2 MAX31855-1 libmDot-1
Fork of 0A101_mDot_Sensor_Rev3_AUS by
serialize.cpp@2:0417c5cdceaf, 2018-06-13 (annotated)
- Committer:
- jortronm2
- Date:
- Wed Jun 13 11:31:15 2018 +0000
- Revision:
- 2:0417c5cdceaf
- Parent:
- 0:1441b10e38a6
Sensor Code by Jorge Troncoso
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
jortronm2 | 0:1441b10e38a6 | 1 | // These functions are used to serialize the sensor data for transmission. |
jortronm2 | 0:1441b10e38a6 | 2 | |
jortronm2 | 0:1441b10e38a6 | 3 | |
jortronm2 | 0:1441b10e38a6 | 4 | #include "serialize.h" |
jortronm2 | 0:1441b10e38a6 | 5 | |
jortronm2 | 0:1441b10e38a6 | 6 | |
jortronm2 | 0:1441b10e38a6 | 7 | union float_bytes { |
jortronm2 | 0:1441b10e38a6 | 8 | float f; |
jortronm2 | 0:1441b10e38a6 | 9 | uint8_t b[sizeof(float)]; |
jortronm2 | 0:1441b10e38a6 | 10 | }; |
jortronm2 | 0:1441b10e38a6 | 11 | |
jortronm2 | 0:1441b10e38a6 | 12 | |
jortronm2 | 0:1441b10e38a6 | 13 | extern uint32_t serialize_sensor_to_bytes(struct sensor_data_raw in, uint8_t *out) { |
jortronm2 | 0:1441b10e38a6 | 14 | uint32_t i = 0; |
jortronm2 | 0:1441b10e38a6 | 15 | |
jortronm2 | 0:1441b10e38a6 | 16 | i += serialize_u16_to_bytes(in.reading_number, &out[i]); |
jortronm2 | 0:1441b10e38a6 | 17 | i += serialize_u16_to_bytes(in.voltage_battery, &out[i]); |
jortronm2 | 0:1441b10e38a6 | 18 | for(int j = 0; j < 9; j++) { |
jortronm2 | 0:1441b10e38a6 | 19 | i += serialize_u16_to_bytes(in.voltage_wire[j], &out[i]); |
jortronm2 | 0:1441b10e38a6 | 20 | } |
jortronm2 | 0:1441b10e38a6 | 21 | i += serialize_s16_to_bytes(in.temperature, &out[i]); |
jortronm2 | 0:1441b10e38a6 | 22 | |
jortronm2 | 0:1441b10e38a6 | 23 | return sizeof(struct sensor_data_raw); |
jortronm2 | 0:1441b10e38a6 | 24 | } |
jortronm2 | 0:1441b10e38a6 | 25 | |
jortronm2 | 0:1441b10e38a6 | 26 | extern uint32_t serialize_float_to_bytes(float in, uint8_t *out) { |
jortronm2 | 0:1441b10e38a6 | 27 | uint32_t i; |
jortronm2 | 0:1441b10e38a6 | 28 | union float_bytes data; |
jortronm2 | 0:1441b10e38a6 | 29 | |
jortronm2 | 0:1441b10e38a6 | 30 | data.f = in; |
jortronm2 | 0:1441b10e38a6 | 31 | for(i = 0; i < sizeof(float); i++) { |
jortronm2 | 0:1441b10e38a6 | 32 | out[i] = data.b[i]; |
jortronm2 | 0:1441b10e38a6 | 33 | } |
jortronm2 | 0:1441b10e38a6 | 34 | |
jortronm2 | 0:1441b10e38a6 | 35 | return sizeof(float); |
jortronm2 | 0:1441b10e38a6 | 36 | } |
jortronm2 | 0:1441b10e38a6 | 37 | |
jortronm2 | 0:1441b10e38a6 | 38 | extern uint32_t serialize_u16_to_bytes(uint16_t in, uint8_t *out) { |
jortronm2 | 0:1441b10e38a6 | 39 | out[0] = (in >> 0); |
jortronm2 | 0:1441b10e38a6 | 40 | out[1] = (in >> 8); |
jortronm2 | 0:1441b10e38a6 | 41 | |
jortronm2 | 0:1441b10e38a6 | 42 | return sizeof(uint16_t); |
jortronm2 | 0:1441b10e38a6 | 43 | } |
jortronm2 | 0:1441b10e38a6 | 44 | |
jortronm2 | 0:1441b10e38a6 | 45 | extern uint32_t serialize_s16_to_bytes(int16_t in, uint8_t *out) { |
jortronm2 | 0:1441b10e38a6 | 46 | out[0] = (in >> 0); |
jortronm2 | 0:1441b10e38a6 | 47 | out[1] = (in >> 8); |
jortronm2 | 0:1441b10e38a6 | 48 | |
jortronm2 | 0:1441b10e38a6 | 49 | return sizeof(int16_t); |
jortronm2 | 0:1441b10e38a6 | 50 | } |
jortronm2 | 0:1441b10e38a6 | 51 | |
jortronm2 | 0:1441b10e38a6 | 52 | extern uint32_t serialize_bytes_to_sensor(uint8_t *in, struct sensor_data_raw *out) { |
jortronm2 | 0:1441b10e38a6 | 53 | uint32_t i = 0; |
jortronm2 | 0:1441b10e38a6 | 54 | |
jortronm2 | 0:1441b10e38a6 | 55 | i += serialize_bytes_to_u16(&in[i], &out->reading_number); |
jortronm2 | 0:1441b10e38a6 | 56 | i += serialize_bytes_to_u16(&in[i], &out->voltage_battery); |
jortronm2 | 0:1441b10e38a6 | 57 | for(int j = 0; j < 9; j++) { |
jortronm2 | 0:1441b10e38a6 | 58 | i += serialize_bytes_to_u16(&in[i], &out->voltage_wire[j]); |
jortronm2 | 0:1441b10e38a6 | 59 | } |
jortronm2 | 0:1441b10e38a6 | 60 | i += serialize_bytes_to_s16(&in[i], &out->temperature); |
jortronm2 | 0:1441b10e38a6 | 61 | |
jortronm2 | 0:1441b10e38a6 | 62 | return sizeof(struct sensor_data_raw); |
jortronm2 | 0:1441b10e38a6 | 63 | } |
jortronm2 | 0:1441b10e38a6 | 64 | |
jortronm2 | 0:1441b10e38a6 | 65 | extern uint32_t serialize_bytes_to_float(uint8_t *in, float *out) { |
jortronm2 | 0:1441b10e38a6 | 66 | uint32_t i; |
jortronm2 | 0:1441b10e38a6 | 67 | union float_bytes data; |
jortronm2 | 0:1441b10e38a6 | 68 | |
jortronm2 | 0:1441b10e38a6 | 69 | for(i = 0; i < sizeof(float); i++) { |
jortronm2 | 0:1441b10e38a6 | 70 | data.b[i] = in[i]; |
jortronm2 | 0:1441b10e38a6 | 71 | } |
jortronm2 | 0:1441b10e38a6 | 72 | (*out) = data.f; |
jortronm2 | 0:1441b10e38a6 | 73 | |
jortronm2 | 0:1441b10e38a6 | 74 | return sizeof(float); |
jortronm2 | 0:1441b10e38a6 | 75 | } |
jortronm2 | 0:1441b10e38a6 | 76 | |
jortronm2 | 0:1441b10e38a6 | 77 | extern uint32_t serialize_bytes_to_u16(uint8_t *in, uint16_t *out) { |
jortronm2 | 0:1441b10e38a6 | 78 | (*out) = (((uint16_t)(in[1]) << 8) | ((uint16_t)(in[0]) << 0)); |
jortronm2 | 0:1441b10e38a6 | 79 | |
jortronm2 | 0:1441b10e38a6 | 80 | return sizeof(uint16_t); |
jortronm2 | 0:1441b10e38a6 | 81 | } |
jortronm2 | 0:1441b10e38a6 | 82 | |
jortronm2 | 0:1441b10e38a6 | 83 | extern uint32_t serialize_bytes_to_s16(uint8_t *in, int16_t *out) { |
jortronm2 | 0:1441b10e38a6 | 84 | (*out) = (int16_t)(((uint16_t)(in[1]) << 8) | ((uint16_t)(in[0]) << 0)); |
jortronm2 | 0:1441b10e38a6 | 85 | |
jortronm2 | 0:1441b10e38a6 | 86 | return sizeof(int16_t); |
jortronm2 | 0:1441b10e38a6 | 87 | } |
jortronm2 | 0:1441b10e38a6 | 88 | |
jortronm2 | 0:1441b10e38a6 | 89 | |
jortronm2 | 0:1441b10e38a6 | 90 | |
jortronm2 | 0:1441b10e38a6 | 91 | |
jortronm2 | 0:1441b10e38a6 | 92 | |
jortronm2 | 0:1441b10e38a6 | 93 | |
jortronm2 | 0:1441b10e38a6 | 94 | |
jortronm2 | 0:1441b10e38a6 | 95 | |
jortronm2 | 0:1441b10e38a6 | 96 |