Difference between revisions of "ADC"
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| − | |Definition || uint16_t ADC_GetAdcValue(uint8_t | + | |Definition ||<syntaxhighlight> uint16_t ADC_GetAdcValue(uint8_t var_adcChannel_u8)</syntaxhighlight> |
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| Input Arguments || uint8_t : channel number | | Input Arguments || uint8_t : channel number | ||
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adc_result = ADC_GetAdcValue(0); //Adc value for channel 0 | adc_result = ADC_GetAdcValue(0); //Adc value for channel 0 | ||
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Latest revision as of 18:07, 30 May 2015
ADC
This library provides the functions for initializing the adc and to get the raw adc values. In case of AVR/PIC/ARM or other high end controllers the inbuilt adc is used. In case of 8051/8052 as it doesn't have an inbuilt adc, ADC0809(8-bit) adc is used.
ADC_Init
| Definition | void ADC_Init() |
| Input Arguments | none |
| Return Value | none |
| Description | This function initializes the ADC module. |
| Usage | void main()
{ ADC_Init(); } |
ADC_GetAdcValue
| Definition | uint16_t ADC_GetAdcValue(uint8_t var_adcChannel_u8) |
| Input Arguments | uint8_t : channel number |
| Return Value | uint16_t(10 bit ADC result) |
| Description | This function does the ADC conversion for the Selected Channel and returns the converted 10bit result.
The adc value per bit depends on the resolution of the ADC. For AVR/PIC(10-bit adc) the adc value per lsb will be 5/1023=0048v |
| Usage | uint16_t adc_result;
adc_result = ADC_GetAdcValue(0); //Adc value for channel 0 |
User guide