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The MAX30205 temperature sensor accurately measures temperature and provide an over temperature alarm/interrupt/shutdown output. This device converts the temperature measurements to digital form using a high resolution, sigma-delta, analog-to-digital converter (ADC).Accuracy meets clinical thermometry specification of the ASTM E1112 when soldered on the final PCB. Communication is through an I2C-compatible, 2-wire serial interface. The I2C serial interface accepts standard write byte, read byte, send byte, and receive byte commands to read the temperature data and configure the behavior of the open drain over temperature shutdown output. The MAX30205 features three address select lines with a total of 32 available addresses. The sensor has a 2.7V to 3.3V supply voltage range, low 600μA supply current, and a lockup-protected I2C-compatible interface that make it ideal for wearable fitness and medical applications. This device is available in an 8-pin TDFN package and operates over the 0NC to +50NC temperature range. MAX30205 is used in fitness and medical treatment.
LibDriver MAX30205 is the full function driver of MAX30205 launched by LibDriver. It provides continuous temperature reading, single temperature reading and temperature interrupt functions. LibDriver is MISRA compliant.
/src includes LibDriver MAX30205 source files.
/interface includes LibDriver MAX30205 IIC platform independent template.
/test includes LibDriver MAX30205 driver test code and this code can test the chip necessary function simply.
/example includes LibDriver MAX30205 sample code.
/doc includes LibDriver MAX30205 offline document.
/datasheet includes MAX30205 datasheet.
/project includes the common Linux and MCU development board sample code. All projects use the shell script to debug the driver and the detail instruction can be found in each project's README.md.
/misra includes the LibDriver MISRA code scanning results.
Reference /interface IIC platform independent template and finish your platform IIC driver.
Add the /src directory, the interface driver for your platform, and your own drivers to your project, if you want to use the default example drivers, add the /example directory to your project.
You can refer to the examples in the /example directory to complete your own driver. If you want to use the default programming examples, here's how to use them.
#include "driver_max30205_basic.h"
uint8_t res;
uint8_t i;
float s;
res = max30205_basic_init(MAX30205_ADDRESS_0);
if (res != 0)
{
return 1;
}
...
for (i = 0; i < 3; i++)
{
max30205_interface_delay_ms(1000);
res = max30205_basic_read((float *)&s);
if (res != 0)
{
(void)max30205_basic_deinit();
return 1;
}
max30205_interface_debug_print("max30205: temperature is %0.3fC.\n", s);
...
}
...
(void)max30205_basic_deinit();
return 0;#include "driver_max30205_shot.h"
uint8_t res;
uint8_t i;
float s;
res = max30205_shot_init(MAX30205_ADDRESS_0);
if (res != 0)
{
return 1;
}
...
for (i = 0; i < 3; i++)
{
max30205_interface_delay_ms(1000);
res = max30205_shot_read((float *)&s);
if (res != 0)
{
(void)max30205_shot_deinit();
return 1;
}
max30205_interface_debug_print("max30205: temperature is %0.3fC.\n", s);
...
}
...
(void)max30205_shot_deinit();
return 0;#include "driver_max30205_interrupt.h"
uint8_t res;
uint8_t i;
float s;
uint8_t g_flag;
res = gpio_interrupt_init();
if (res != 0)
{
return 1;
}
res = max30205_interrupt_init(MAX30205_ADDRESS_0, MAX30205_INTERRUPT_MODE_INTERRUPT, 35.5f, 37.6f);
if (res != 0)
{
(void)gpio_interrupt_deinit();
return 1;
}
...
g_flag = 0;
for (i = 0; i < 3; i++)
{
max30205_interface_delay_ms(1000);
res = max30205_interrupt_read((float *)&s);
if (res != 0)
{
(void)gpio_interrupt_deinit();
(void)max30205_interrupt_deinit();
return 1;
}
if (g_flag != 0)
{
max30205_interface_debug_print("max30205: find interrupt.\n");
...
break;
}
max30205_interface_debug_print("max30205: temperature is %0.3fC.\n", s);
...
}
...
(void)gpio_interrupt_deinit();
(void)max30205_interrupt_deinit();
return 0;Online documents: https://www.libdriver.com/docs/max30205/index.html.
Offline documents: /doc/html/index.html.
Please refer to CONTRIBUTING.md.
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