Jorge Troncoso
/
601_mDot_Gateway_Rev5_AUS_TrelleborgNet
Gateway by Jorge Troncoso
serialize.cpp@0:e671110e33a3, 2018-06-13 (annotated)
- Committer:
- jortronm2
- Date:
- Wed Jun 13 11:45:52 2018 +0000
- Revision:
- 0:e671110e33a3
Gateway by Jorge Troncoso
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
jortronm2 | 0:e671110e33a3 | 1 | #include "serialize.h" |
jortronm2 | 0:e671110e33a3 | 2 | |
jortronm2 | 0:e671110e33a3 | 3 | |
jortronm2 | 0:e671110e33a3 | 4 | union float_bytes { |
jortronm2 | 0:e671110e33a3 | 5 | float f; |
jortronm2 | 0:e671110e33a3 | 6 | uint8_t b[sizeof(float)]; |
jortronm2 | 0:e671110e33a3 | 7 | }; |
jortronm2 | 0:e671110e33a3 | 8 | |
jortronm2 | 0:e671110e33a3 | 9 | |
jortronm2 | 0:e671110e33a3 | 10 | extern uint32_t serialize_sensor_to_bytes(struct sensor_data_raw in, uint8_t *out) { |
jortronm2 | 0:e671110e33a3 | 11 | uint32_t i = 0; |
jortronm2 | 0:e671110e33a3 | 12 | |
jortronm2 | 0:e671110e33a3 | 13 | i += serialize_u16_to_bytes(in.reading_number, &out[i]); |
jortronm2 | 0:e671110e33a3 | 14 | i += serialize_u16_to_bytes(in.voltage_battery, &out[i]); |
jortronm2 | 0:e671110e33a3 | 15 | for(int j = 0; j < 9; j++) { |
jortronm2 | 0:e671110e33a3 | 16 | i += serialize_u16_to_bytes(in.voltage_wire[j], &out[i]); |
jortronm2 | 0:e671110e33a3 | 17 | } |
jortronm2 | 0:e671110e33a3 | 18 | i += serialize_s16_to_bytes(in.temperature, &out[i]); |
jortronm2 | 0:e671110e33a3 | 19 | |
jortronm2 | 0:e671110e33a3 | 20 | return sizeof(struct sensor_data_raw); |
jortronm2 | 0:e671110e33a3 | 21 | } |
jortronm2 | 0:e671110e33a3 | 22 | |
jortronm2 | 0:e671110e33a3 | 23 | extern uint32_t serialize_float_to_bytes(float in, uint8_t *out) { |
jortronm2 | 0:e671110e33a3 | 24 | uint32_t i; |
jortronm2 | 0:e671110e33a3 | 25 | union float_bytes data; |
jortronm2 | 0:e671110e33a3 | 26 | |
jortronm2 | 0:e671110e33a3 | 27 | data.f = in; |
jortronm2 | 0:e671110e33a3 | 28 | for(i = 0; i < sizeof(float); i++) { |
jortronm2 | 0:e671110e33a3 | 29 | out[i] = data.b[i]; |
jortronm2 | 0:e671110e33a3 | 30 | } |
jortronm2 | 0:e671110e33a3 | 31 | |
jortronm2 | 0:e671110e33a3 | 32 | return sizeof(float); |
jortronm2 | 0:e671110e33a3 | 33 | } |
jortronm2 | 0:e671110e33a3 | 34 | |
jortronm2 | 0:e671110e33a3 | 35 | extern uint32_t serialize_u16_to_bytes(uint16_t in, uint8_t *out) { |
jortronm2 | 0:e671110e33a3 | 36 | out[0] = (in >> 0); |
jortronm2 | 0:e671110e33a3 | 37 | out[1] = (in >> 8); |
jortronm2 | 0:e671110e33a3 | 38 | |
jortronm2 | 0:e671110e33a3 | 39 | return sizeof(uint16_t); |
jortronm2 | 0:e671110e33a3 | 40 | } |
jortronm2 | 0:e671110e33a3 | 41 | |
jortronm2 | 0:e671110e33a3 | 42 | extern uint32_t serialize_s16_to_bytes(int16_t in, uint8_t *out) { |
jortronm2 | 0:e671110e33a3 | 43 | out[0] = (in >> 0); |
jortronm2 | 0:e671110e33a3 | 44 | out[1] = (in >> 8); |
jortronm2 | 0:e671110e33a3 | 45 | |
jortronm2 | 0:e671110e33a3 | 46 | return sizeof(int16_t); |
jortronm2 | 0:e671110e33a3 | 47 | } |
jortronm2 | 0:e671110e33a3 | 48 | |
jortronm2 | 0:e671110e33a3 | 49 | extern uint32_t serialize_bytes_to_sensor(uint8_t *in, struct sensor_data_raw *out) { |
jortronm2 | 0:e671110e33a3 | 50 | uint32_t i = 0; |
jortronm2 | 0:e671110e33a3 | 51 | |
jortronm2 | 0:e671110e33a3 | 52 | i += serialize_bytes_to_u16(&in[i], &out->reading_number); |
jortronm2 | 0:e671110e33a3 | 53 | i += serialize_bytes_to_u16(&in[i], &out->voltage_battery); |
jortronm2 | 0:e671110e33a3 | 54 | for(int j = 0; j < 9; j++) { |
jortronm2 | 0:e671110e33a3 | 55 | i += serialize_bytes_to_u16(&in[i], &out->voltage_wire[j]); |
jortronm2 | 0:e671110e33a3 | 56 | } |
jortronm2 | 0:e671110e33a3 | 57 | i += serialize_bytes_to_s16(&in[i], &out->temperature); |
jortronm2 | 0:e671110e33a3 | 58 | |
jortronm2 | 0:e671110e33a3 | 59 | return sizeof(struct sensor_data_raw); |
jortronm2 | 0:e671110e33a3 | 60 | } |
jortronm2 | 0:e671110e33a3 | 61 | |
jortronm2 | 0:e671110e33a3 | 62 | extern uint32_t serialize_bytes_to_float(uint8_t *in, float *out) { |
jortronm2 | 0:e671110e33a3 | 63 | uint32_t i; |
jortronm2 | 0:e671110e33a3 | 64 | union float_bytes data; |
jortronm2 | 0:e671110e33a3 | 65 | |
jortronm2 | 0:e671110e33a3 | 66 | for(i = 0; i < sizeof(float); i++) { |
jortronm2 | 0:e671110e33a3 | 67 | data.b[i] = in[i]; |
jortronm2 | 0:e671110e33a3 | 68 | } |
jortronm2 | 0:e671110e33a3 | 69 | (*out) = data.f; |
jortronm2 | 0:e671110e33a3 | 70 | |
jortronm2 | 0:e671110e33a3 | 71 | return sizeof(float); |
jortronm2 | 0:e671110e33a3 | 72 | } |
jortronm2 | 0:e671110e33a3 | 73 | |
jortronm2 | 0:e671110e33a3 | 74 | extern uint32_t serialize_bytes_to_u16(uint8_t *in, uint16_t *out) { |
jortronm2 | 0:e671110e33a3 | 75 | (*out) = (((uint16_t)(in[1]) << 8) | ((uint16_t)(in[0]) << 0)); |
jortronm2 | 0:e671110e33a3 | 76 | |
jortronm2 | 0:e671110e33a3 | 77 | return sizeof(uint16_t); |
jortronm2 | 0:e671110e33a3 | 78 | } |
jortronm2 | 0:e671110e33a3 | 79 | |
jortronm2 | 0:e671110e33a3 | 80 | extern uint32_t serialize_bytes_to_s16(uint8_t *in, int16_t *out) { |
jortronm2 | 0:e671110e33a3 | 81 | (*out) = (int16_t)(((uint16_t)(in[1]) << 8) | ((uint16_t)(in[0]) << 0)); |
jortronm2 | 0:e671110e33a3 | 82 | |
jortronm2 | 0:e671110e33a3 | 83 | return sizeof(int16_t); |
jortronm2 | 0:e671110e33a3 | 84 | } |
jortronm2 | 0:e671110e33a3 | 85 | |
jortronm2 | 0:e671110e33a3 | 86 | |
jortronm2 | 0:e671110e33a3 | 87 | |
jortronm2 | 0:e671110e33a3 | 88 | |
jortronm2 | 0:e671110e33a3 | 89 | |
jortronm2 | 0:e671110e33a3 | 90 | |
jortronm2 | 0:e671110e33a3 | 91 | |
jortronm2 | 0:e671110e33a3 | 92 | |
jortronm2 | 0:e671110e33a3 | 93 |