esp-open-rtos/examples/pcf8591/main.c
2017-09-01 14:29:32 +05:00

42 lines
887 B
C

#include <stdio.h>
#include "espressif/esp_common.h"
#include "esp/uart.h"
#include "FreeRTOS.h"
#include "task.h"
#include "i2c/i2c.h"
#include "pcf8591/pcf8591.h"
#define ADDR PCF8591_DEFAULT_ADDRESS
#define I2C_BUS 0
#define SCL_PIN 5
#define SDA_PIN 4
static void measure(void *pvParameters)
{
i2c_dev_t dev = {
.addr = ADDR,
.bus = I2C_BUS,
};
while (1)
{
vTaskDelay(1000 / portTICK_PERIOD_MS);
printf("Value: %d\n", pcf8591_read(&dev, 0x03));
}
}
void user_init(void)
{
uart_set_baud(0, 115200);
// Just some information
printf("\n");
printf("SDK version : %s\n", sdk_system_get_sdk_version());
printf("GIT version : %s\n", GITSHORTREV);
i2c_init(I2C_BUS, SCL_PIN, SDA_PIN, I2C_FREQ_100K);
xTaskCreate(measure, "measure_task", 256, NULL, 2, NULL);
}