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Add ds18b20 udp broadcaster example.

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Add license and readme details.
Rid of compile-time switches.
Rid of lazy initialization of sensor.
Minor code fixing.
This commit is contained in:
Grzegorz Hetman 2016-02-18 13:51:16 +01:00
parent 1da8626e6e
commit 72f30ad950
13 changed files with 278 additions and 102 deletions
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22
examples/ds18b20_onewire/LICENSE Normal file
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@ -0,0 +1,22 @@
The MIT License (MIT)
Copyright (c) 2016 Grzegorz Hetman : ghetman@gmail.com
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

16
examples/ds18b20_onewire/ds18b20_onewire.c
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@ -12,17 +12,22 @@
// DS18B20 driver
#include "ds18b20/ds18b20.h"
// Onewire init
#include "onewire/onewire.h"
void print_temperature(void *pvParameters)
{
int delay = 500;
uint8_t amount = 0;
// Declare amount of sensors
uint8_t sensors = 2;
DSENSOR t[sensors];
ds_sensor_t t[sensors];
// Use GPIO 13 as one wire pin.
uint8_t GPIO_FOR_ONE_WIRE = 13;
onewire_init(GPIO_FOR_ONE_WIRE);
while(1) {
// Search all DS18B20, return its amount and feed 't' structure with result data.
amount = readDS18B20(GPIO_FOR_ONE_WIRE, t);
@ -33,7 +38,8 @@ void print_temperature(void *pvParameters)
for (int i = 0; i < amount; ++i)
{
printf("Sensor %d report: %d.%d C\n",t[i].id, t[i].major, t[i].minor);
// Multiple "" here is just to satisfy compiler and don`t raise 'hex escape sequence out of range' warning.
printf("Sensor %d report: %d.%d ""\xC2""\xB0""C\n",t[i].id, t[i].major, t[i].minor);
}
printf("\n");
vTaskDelay(delay / portTICK_RATE_MS);
@ -46,6 +52,6 @@ void user_init(void)
printf("SDK version:%s\n", sdk_system_get_sdk_version());
xTaskCreate(&print_temperature, (signed char *)"get_task", 256, NULL, 2, NULL);
xTaskCreate(&print_temperature, (signed char *)"print_temperature", 256, NULL, 2, NULL);
}