Added explicit ADC channel masks for the standard set of ADC channels, as the single-ended channel MUX masks are not equal to the channel number on some AVR models. Changed demos to use the new channel masks when using the ADC driver.
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Dean Camera
parent
871d9bf1af
commit
b68f7f1649
11 changed files with 116 additions and 12 deletions
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@ -45,7 +45,7 @@ static const uint16_t PROGMEM Temperature_Lookup[] = {
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int8_t Temperature_GetTemperature(void)
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{
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uint16_t Temp_ADC = ADC_GetChannelReading(ADC_REFERENCE_AVCC | ADC_RIGHT_ADJUSTED | TEMP_ADC_CHANNEL);
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uint16_t Temp_ADC = ADC_GetChannelReading(ADC_REFERENCE_AVCC | ADC_RIGHT_ADJUSTED | TEMP_ADC_CHANNEL_MASK);
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if (Temp_ADC > pgm_read_word(&Temperature_Lookup[0]))
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return TEMP_MIN_TEMP;
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@ -79,13 +79,16 @@
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/* Public Interface - May be used in end-application: */
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/* Macros: */
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/** ADC channel number for the temperature sensor. */
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#define TEMP_ADC_CHANNEL 0
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#define TEMP_ADC_CHANNEL 0
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/** ADC channel MUX mask for the temperature sensor. */
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#define TEMP_ADC_CHANNEL_MASK ADC_CHANNEL0
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/** Minimum returnable temperature from the \ref Temperature_GetTemperature() function. */
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#define TEMP_MIN_TEMP TEMP_TABLE_OFFSET
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#define TEMP_MIN_TEMP TEMP_TABLE_OFFSET
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/** Maximum returnable temperature from the \ref Temperature_GetTemperature() function. */
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#define TEMP_MAX_TEMP ((TEMP_TABLE_SIZE - 1) + TEMP_TABLE_OFFSET)
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#define TEMP_MAX_TEMP ((TEMP_TABLE_SIZE - 1) + TEMP_TABLE_OFFSET)
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/* Pseudo-Function Macros: */
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#if defined(__DOXYGEN__)
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@ -108,7 +108,81 @@
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/** Sets the ADC input clock to prescale by a factor of 128 the AVR's system clock. */
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#define ADC_PRESCALE_128 ((1 << ADPS2) | (1 << ADPS1) | (1 << ADPS0))
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//@{
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/** MUX mask define for the ADC0 channel of the ADC. See \ref ADC_StartReading and \ref ADC_GetChannelReading. */
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#define ADC_CHANNEL0 0x00
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/** MUX mask define for the ADC1 channel of the ADC. See \ref ADC_StartReading and \ref ADC_GetChannelReading. */
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#define ADC_CHANNEL1 0x01
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/** MUX mask define for the ADC2 channel of the ADC. See \ref ADC_StartReading and \ref ADC_GetChannelReading. */
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#define ADC_CHANNEL2 0x02
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/** MUX mask define for the ADC3 channel of the ADC. See \ref ADC_StartReading and \ref ADC_GetChannelReading. */
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#define ADC_CHANNEL3 0x03
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/** MUX mask define for the ADC4 channel of the ADC. See \ref ADC_StartReading and \ref ADC_GetChannelReading. */
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#define ADC_CHANNEL4 0x04
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/** MUX mask define for the ADC5 channel of the ADC. See \ref ADC_StartReading and \ref ADC_GetChannelReading. */
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#define ADC_CHANNEL5 0x05
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/** MUX mask define for the ADC6 channel of the ADC. See \ref ADC_StartReading and \ref ADC_GetChannelReading. */
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#define ADC_CHANNEL6 0x06
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/** MUX mask define for the ADC7 channel of the ADC. See \ref ADC_StartReading and \ref ADC_GetChannelReading. */
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#define ADC_CHANNEL7 0x07
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/** MUX mask define for the internal 1.1V bandgap channel of the ADC. See \ref ADC_StartReading and \ref ADC_GetChannelReading. */
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#define ADC_1100MV_BANDGAP 0x1E
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#if (defined(__AVR_ATmega16U4__) || defined(__AVR_ATmega32U4__) || defined(__DOXYGEN__))
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/** MUX mask define for the ADC8 channel of the ADC. See \ref ADC_StartReading and \ref ADC_GetChannelReading.
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*
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* \note Note available on all AVR models.
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*/
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#define ADC_CHANNEL8 0x20
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/** MUX mask define for the ADC9 channel of the ADC. See \ref ADC_StartReading and \ref ADC_GetChannelReading.
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*
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* \note Note available on all AVR models.
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*/
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#define ADC_CHANNEL9 0x21
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/** MUX mask define for the ADC10 channel of the ADC. See \ref ADC_StartReading and \ref ADC_GetChannelReading.
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*
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* \note Note available on all AVR models.
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*/
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#define ADC_CHANNEL10 0x22
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/** MUX mask define for the ADC11 channel of the ADC. See \ref ADC_StartReading and \ref ADC_GetChannelReading.
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*
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* \note Note available on all AVR models.
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*/
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#define ADC_CHANNEL11 0x23
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/** MUX mask define for the ADC12 channel of the ADC. See \ref ADC_StartReading and \ref ADC_GetChannelReading.
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*
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* \note Note available on all AVR models.
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*/
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#define ADC_CHANNEL12 0x24
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/** MUX mask define for the ADC13 channel of the ADC. See \ref ADC_StartReading and \ref ADC_GetChannelReading.
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*
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* \note Note available on all AVR models.
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*/
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#define ADC_CHANNEL13 0x25
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/** MUX mask define for the internal temperature sensor channel of the ADC. See \ref ADC_StartReading and
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* \ref ADC_GetChannelReading.
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*
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* \note Note available on all AVR models.
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*/
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#define ADC_INT_TEMP_SENS 0x27
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#endif
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//@}
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/* Pseudo-Function Macros: */
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#if defined(__DOXYGEN__)
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/** Initializes the ADC, ready for conversions. This must be called before any other ADC operations.
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@ -159,6 +233,11 @@
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* associated port pin as an input and disables the digital portion of the I/O to reduce
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* power consumption.
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*
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* \note This must only be called for ADC channels with are connected to a physical port
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* pin of the AVR, denoted by its special alternative function ADCx.
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*
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* \note The channel number must be specified as an integer, and NOT a ADC_CHANNELx mask.
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*
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* \param[in] Channel ADC channel number to set up for conversions
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*/
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static inline void ADC_SetupChannel(const uint8_t Channel)
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@ -196,7 +275,7 @@
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* Once executed, the conversion status can be determined via the \ref ADC_IsReadingComplete() macro and
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* the result read via the \ref ADC_GetResult() macro.
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*
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* \param[in] MUXMask Mask comprising of an ADC channel number, reference mask and adjustment mask
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* \param[in] MUXMask Mask comprising of an ADC channel mask, reference mask and adjustment mask
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*/
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static inline void ADC_StartReading(const uint8_t MUXMask)
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{
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@ -208,7 +287,7 @@
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/** Performs a complete single reading from channel, including a polling spin-loop to wait for the
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* conversion to complete, and the returning of the converted value.
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*
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* \param[in] MUXMask Mask comprising of an ADC channel number, reference mask and adjustment mask
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* \param[in] MUXMask Mask comprising of an ADC channel mask, reference mask and adjustment mask
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*/
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static inline uint16_t ADC_GetChannelReading(const uint8_t MUXMask) ATTR_WARN_UNUSED_RESULT;
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static inline uint16_t ADC_GetChannelReading(const uint8_t MUXMask)
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@ -18,6 +18,8 @@
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* sent or received in packed form in a single USB packet
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* - Added new MIDI send buffer flush routines to the MIDI Device and Host mode Class drivers, to flush packed events
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* - Added master mode hardware TWI driver
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* - Added ADC MUX masks for the standard ADC input channels on all AVR models with an ADC, altered demos to use these masks
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* as on some models, the channel number is not identical to its single-ended ADC MUX mask
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*
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* <b>Changed:</b>
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* - Slowed down software USART carried PDI programming in the AVRISP project to prevent transmission errors
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@ -12,6 +12,12 @@
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*
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* \section Sec_MigrationXXXXXX Migrating from 091223 to XXXXXX
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*
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* <b>Non-USB Library Components</b>
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* - Due to some ADC channels not being identical to their ADC MUX selection masks for single-ended conversions on some AVR models,
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* the ADC driver now has explicit masks for each of the standard ADC channels. These masks should be used when calling the ADC
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* functions to ensure proper operation across all AVR models. Note that the \ref ADC_SetupChannel() function is an exception, and
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* should always be called with a channel number rather than a channel mask.
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*
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* <b>Host Mode</b>
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* - The MIDI Host Class driver send and receive routines now operate on packed events, where multiple MIDI events may be
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* packed into a single USB packet. This means that the sending of MIDI events will now be delayed until the MIDI send
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