comparison: main/task_ds18b20.c
main/task_ds18b20.c
- changeset 3
- cd760fd45271
- parent 2
- c0184362d48c
- child 5
- 4b1c65e4d863
equal
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replaced
| 2:c0184362d48c | 3:cd760fd45271 |
|---|---|
| 12 #include "ds18b20.h" | 12 #include "ds18b20.h" |
| 13 #include "config.h" | 13 #include "config.h" |
| 14 | 14 |
| 15 | 15 |
| 16 #define GPIO_DS18B20_BUS (CONFIG_ONE_WIRE_BUS) | 16 #define GPIO_DS18B20_BUS (CONFIG_ONE_WIRE_BUS) |
| 17 #define MAX_DEVICES (8) | |
| 18 #define DS18B20_RESOLUTION (DS18B20_RESOLUTION_12_BIT) | 17 #define DS18B20_RESOLUTION (DS18B20_RESOLUTION_12_BIT) |
| 19 #define SAMPLE_PERIOD (2000) // milliseconds | |
| 20 | 18 |
| 21 | 19 |
| 22 static const char *TAG = "task_ds18b20"; | 20 static const char *TAG = "task_ds18b20"; |
| 23 static const char *dsErrors[] = { "Ok", "No sensor", "Too many sensors", "CRC error", "Read error" }; | 21 static const char *dsErrors[] = { "Ok", "CRC error", "Read error" }; |
| 24 | 22 |
| 25 SemaphoreHandle_t xSemaphoreDS18B20 = NULL; ///< Semaphire DS18B20 task | 23 SemaphoreHandle_t xSemaphoreDS18B20 = NULL; ///< Semaphire DS18B20 task |
| 26 EventGroupHandle_t xEventGroupDS18B20; ///< Events DS18B20 task | 24 EventGroupHandle_t xEventGroupDS18B20; ///< Events DS18B20 task |
| 27 DS18B20_State *ds18b20_state; ///< Public state for other tasks | 25 DS18B20_State *ds18b20_state; ///< Public state for other tasks |
| 28 | 26 |
| 124 ds18b20_state->valid = true; | 122 ds18b20_state->valid = true; |
| 125 ds18b20_state->sensor[0].temperature = readings; | 123 ds18b20_state->sensor[0].temperature = readings; |
| 126 } else { | 124 } else { |
| 127 if (errors == DS18B20_ERROR_CRC) | 125 if (errors == DS18B20_ERROR_CRC) |
| 128 ds18b20_state->sensor[0].error = DS18B20_ERR_CRC; | 126 ds18b20_state->sensor[0].error = DS18B20_ERR_CRC; |
| 129 if (errors == DS18B20_ERROR_OWB) | 127 else |
| 130 ds18b20_state->sensor[0].error = DS18B20_ERR_READ; | 128 ds18b20_state->sensor[0].error = DS18B20_ERR_READ; // All other errors |
| 131 if (errors == DS18B20_ERROR_DEVICE) | |
| 132 ds18b20_state->sensor[0].error = DS18B20_ERR_READ; | |
| 133 ds18b20_state->valid = false; | 129 ds18b20_state->valid = false; |
| 134 ds18b20_state->sensor[0].temperature = 0.0; | 130 ds18b20_state->sensor[0].temperature = 0.0; |
| 135 } | 131 } |
| 136 xSemaphoreGive(xSemaphoreDS18B20); | 132 xSemaphoreGive(xSemaphoreDS18B20); |
| 137 } | 133 } |
