Figure 45. Warning Temperature Display 1; Figure 46. Warning Temperature Display 2 - ST STM32303C-EVAL User Manual

Demonstration firmware

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Running the demonstration

Figure 45. Warning temperature display 1

If the temperature exceeds the low limit (TEMPERATURE_LOW: Low Limit Temperature),

the SMBus alert interrupt is generated and the warning message shown in

displayed on the LCD screen.

The user can configure the HIGH and LOW using dedicated define values in the code. By

default, the STM32303C-EVAL demonstration sets them to the value defined in the

thermometer.c file:

#define TEMPERATURE_LOW 0x14 /* 20°C */

#define TEMPERATURE_HIGH 0x28 /* 40°C */

Press KEY to return to the Thermometer submenu.

Note:

Any hardware problem with the temperature sensor is detected by a test. In such case, the

message shown in

40/65

Figure 47

is displayed.

Doc ID 023892 Rev 1

UM1590

Figure 46

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