Revision 328
Kevin you suck. -- Chris Your code does not compile. --Brian and Chris I changed analog8 to be what you had as analog_get8, and I did change the methods used in rangefinders and BOM.
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* @brief Contains functions and definitions for using the ADC |
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* |
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* Contains definitions and function prototypes for using the |
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* ADC to detect analog signals on pins AN0 - AN15. |
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* See analog.c for implementation details. |
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* |
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* ADC to detect analog signals on pins AN0 - AN7. |
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* AN6 and AN7 are used for the wheel and battery. |
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* The pins labeled E6 and E7 are external interrupt pins and are not related |
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* to analog. |
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* @author Colony Project, CMU Robotics Club, based on firefly |
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* code by Tom Lauwers |
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**/
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*/ |
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#ifndef _ANALOG_H |
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#define _ANALOG_H |
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/** @brief Analog port for the battery voltage detector **/ |
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#define BATT_PORT AN11 |
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/** @brief Used in analog_init to start the analog loop from the get-go **/ |
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#define ADC_START 1 |
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/** @brief Used in analog_init to not start the analog loop from the get-go **/ |
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#define ADC_STOP 0 |
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/** @brief Maximum number of analog ports to check. This number is equivalent to |
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* AN1 -> AN11 as AN0 and AN7 are skipped. **/ |
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#define ANMAX 11 |
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/** @brief For use with ADMUX register. Means that We will use AVCC (REFS0) and |
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* enable ADLAR. **/ |
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#define ADMUX_OPT 0x60 |
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/** @brief Struct to hold the value of a particular analog port */ |
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typedef struct {
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uint8_t adc8; |
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uint16_t adc10; |
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} adc_t; |
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/** @brief Initialize analog ports. Will start running a loop |
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if start_conversion is ADC_START.**/ |
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void analog_init(int start_conversion); |
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void analog_start_loop(void); |
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/** @brief Stops the analog loop. Doesn't do anything if the loop is already stopped. **/ |
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void analog_stop_loop(void); |
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/** @brief Returns an 8-bit analog value from the look up table. Use this instead of analog8. **/
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/** @brief Read an 8-bit number from an analog port. Loop must be stopped for this to work. **/
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unsigned int analog8(int which); |
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/** @brief Returns an 10-bit analog value from the look up table. Use this instead of analog10. **/
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/** @brief Read a 10-bit number from an analog port. Loop must be stopped for this to work. **/
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unsigned int analog10(int which); |
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/** @brief Read the position of the wheel. **/ |
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int wheel(void); |
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/** @brief Read an 8-bit number from an analog port. Loop must be stopped for this to work. **/
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/** @brief Returns an 8-bit analog value from the look up table. Use this instead of analog8. **/
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unsigned int analog_get8(int which); |
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/** @brief Read a 10-bit number from an analog port. Loop must be stopped for this to work. **/
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/** @brief Returns an 10-bit analog value from the look up table. Use this instead of analog10. **/
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unsigned int analog_get10(int which); |
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