X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/f01a05415c03b0dd61297849ece2cfcce7f8d3e8..70f3d8e933d57e703b978b2387b4781c6fb903ec:/LUFA/Drivers/Peripheral/AVR8/ADC_AVR8.h diff --git a/LUFA/Drivers/Peripheral/AVR8/ADC_AVR8.h b/LUFA/Drivers/Peripheral/AVR8/ADC_AVR8.h index 7a02c613a..a0e9a87a3 100644 --- a/LUFA/Drivers/Peripheral/AVR8/ADC_AVR8.h +++ b/LUFA/Drivers/Peripheral/AVR8/ADC_AVR8.h @@ -65,8 +65,11 @@ * * // Start reading ADC channel 1 in free running (continuous conversion) mode * ADC_StartReading(ADC_REFERENCE_AVCC | ADC_RIGHT_ADJUSTED | ADC_CHANNEL1); - * while (!(ADC_IsReadingComplete())) {}; - * printf("Conversion Result: %d\r\n", ADC_GetResult()); + * for (;;) + * { + * while (!(ADC_IsReadingComplete())) {}; + * printf("Conversion Result: %d\r\n", ADC_GetResult()); + * } * \endcode * * @{ @@ -174,7 +177,7 @@ /** MUX mask define for the ADC1 channel of the ADC. See \ref ADC_StartReading() and \ref ADC_GetChannelReading(). */ #define ADC_CHANNEL1 (0x01 << MUX0) - #if !(defined(__AVR_ATmega16U4__) || defined(__AVR_ATmega32U4__) || defined(__DOXYGEN__)) + #if (!(defined(__AVR_ATmega16U4__) || defined(__AVR_ATmega32U4__)) || defined(__DOXYGEN__)) /** MUX mask define for the ADC2 channel of the ADC. See \ref ADC_StartReading() and \ref ADC_GetChannelReading(). * * \note Not available on all AVR models. @@ -200,9 +203,6 @@ /** MUX mask define for the ADC7 channel of the ADC. See \ref ADC_StartReading and \ref ADC_GetChannelReading. */ #define ADC_CHANNEL7 (0x07 << MUX0) - /** MUX mask define for the internal 1.1V bandgap channel of the ADC. See \ref ADC_StartReading() and \ref ADC_GetChannelReading(). */ - #define ADC_1100MV_BANDGAP (0x1E << MUX0) - #if (defined(__AVR_ATmega16U4__) || defined(__AVR_ATmega32U4__) || defined(__DOXYGEN__)) /** MUX mask define for the ADC8 channel of the ADC. See \ref ADC_StartReading() and \ref ADC_GetChannelReading(). * @@ -248,6 +248,9 @@ #define ADC_INT_TEMP_SENS ((1 << 8) | (0x07 << MUX0)) #endif + /** MUX mask define for the internal 1.1V bandgap channel of the ADC. See \ref ADC_StartReading() and \ref ADC_GetChannelReading(). */ + #define ADC_1100MV_BANDGAP (0x1E << MUX0) + /** Retrieves the ADC MUX mask for the given ADC channel number. * * \note This macro will only work correctly on channel numbers that are compile-time @@ -400,6 +403,8 @@ * the results read directly from the \ref ADC_GetResult() instead to reduce overhead. * * \param[in] MUXMask Mask comprising of an ADC channel mask, reference mask and adjustment mask. + * + * \return Converted ADC result for the given ADC channel. */ static inline uint16_t ADC_GetChannelReading(const uint16_t MUXMask) ATTR_WARN_UNUSED_RESULT; static inline uint16_t ADC_GetChannelReading(const uint16_t MUXMask) @@ -417,8 +422,8 @@ * * \param[in] Mode Mask of ADC prescale and mode settings. */ - static inline void ADC_Init(uint8_t Mode) ATTR_ALWAYS_INLINE; - static inline void ADC_Init(uint8_t Mode) + static inline void ADC_Init(const uint8_t Mode) ATTR_ALWAYS_INLINE; + static inline void ADC_Init(const uint8_t Mode) { ADCSRA = ((1 << ADEN) | Mode); }