Bender Robotics / Mbed 2 deprecated PLAUCI_full

posilani dat

Dependencies:   FatFileSystemCpp mbed PowerControl USBHostLite

ADC_full/adc.h@0:16fd37cf4a7c, 2015-02-13 (annotated)

Committer:
jkaderka
Date:
Fri Feb 13 08:20:27 2015 +0000
Revision:
0:16fd37cf4a7c
first version

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jkaderka 0:16fd37cf4a7c 1 /* mbed Library - ADC
jkaderka 0:16fd37cf4a7c 2 * Copyright (c) 2010, sblandford
jkaderka 0:16fd37cf4a7c 3 * released under MIT license http://mbed.org/licence/mit
jkaderka 0:16fd37cf4a7c 4 */
jkaderka 0:16fd37cf4a7c 5
jkaderka 0:16fd37cf4a7c 6 #ifndef MBED_ADC_H
jkaderka 0:16fd37cf4a7c 7 #define MBED_ADC_H
jkaderka 0:16fd37cf4a7c 8
jkaderka 0:16fd37cf4a7c 9 #include "mbed.h"
jkaderka 0:16fd37cf4a7c 10 #define XTAL_FREQ 12000000
jkaderka 0:16fd37cf4a7c 11 #define MAX_ADC_CLOCK 13000000
jkaderka 0:16fd37cf4a7c 12 #define CLKS_PER_SAMPLE 64
jkaderka 0:16fd37cf4a7c 13
jkaderka 0:16fd37cf4a7c 14 class ADC {
jkaderka 0:16fd37cf4a7c 15 public:
jkaderka 0:16fd37cf4a7c 16
jkaderka 0:16fd37cf4a7c 17 //Initialize ADC with ADC maximum sample rate of
jkaderka 0:16fd37cf4a7c 18 //sample_rate and system clock divider of cclk_div
jkaderka 0:16fd37cf4a7c 19 //Maximum recommened sample rate is 184000
jkaderka 0:16fd37cf4a7c 20 ADC(int sample_rate, int cclk_div);
jkaderka 0:16fd37cf4a7c 21
jkaderka 0:16fd37cf4a7c 22 //Enable/disable ADC on pin according to state
jkaderka 0:16fd37cf4a7c 23 //and also select/de-select for next conversion
jkaderka 0:16fd37cf4a7c 24 void setup(PinName pin, int state);
jkaderka 0:16fd37cf4a7c 25
jkaderka 0:16fd37cf4a7c 26 //Return enabled/disabled state of ADC on pin
jkaderka 0:16fd37cf4a7c 27 int setup(PinName pin);
jkaderka 0:16fd37cf4a7c 28
jkaderka 0:16fd37cf4a7c 29 //Enable/disable burst mode according to state
jkaderka 0:16fd37cf4a7c 30 void burst(int state);
jkaderka 0:16fd37cf4a7c 31
jkaderka 0:16fd37cf4a7c 32 //Select channel already setup
jkaderka 0:16fd37cf4a7c 33 void select(PinName pin);
jkaderka 0:16fd37cf4a7c 34
jkaderka 0:16fd37cf4a7c 35 //Return burst mode enabled/disabled
jkaderka 0:16fd37cf4a7c 36 int burst(void);
jkaderka 0:16fd37cf4a7c 37
jkaderka 0:16fd37cf4a7c 38 /*Set start condition and edge according to mode:
jkaderka 0:16fd37cf4a7c 39 0 - No start (this value should be used when clearing PDN to 0).
jkaderka 0:16fd37cf4a7c 40 1 - Start conversion now.
jkaderka 0:16fd37cf4a7c 41 2 - Start conversion when the edge selected by bit 27 occurs on the P2.10 / EINT0 / NMI pin.
jkaderka 0:16fd37cf4a7c 42 3 - Start conversion when the edge selected by bit 27 occurs on the P1.27 / CLKOUT /
jkaderka 0:16fd37cf4a7c 43 USB_OVRCRn / CAP0.1 pin.
jkaderka 0:16fd37cf4a7c 44 4 - Start conversion when the edge selected by bit 27 occurs on MAT0.1. Note that this does
jkaderka 0:16fd37cf4a7c 45 not require that the MAT0.1 function appear on a device pin.
jkaderka 0:16fd37cf4a7c 46 5 - Start conversion when the edge selected by bit 27 occurs on MAT0.3. Note that it is not
jkaderka 0:16fd37cf4a7c 47 possible to cause the MAT0.3 function to appear on a device pin.
jkaderka 0:16fd37cf4a7c 48 6 - Start conversion when the edge selected by bit 27 occurs on MAT1.0. Note that this does
jkaderka 0:16fd37cf4a7c 49 not require that the MAT1.0 function appear on a device pin.
jkaderka 0:16fd37cf4a7c 50 7 - Start conversion when the edge selected by bit 27 occurs on MAT1.1. Note that this does
jkaderka 0:16fd37cf4a7c 51 not require that the MAT1.1 function appear on a device pin.
jkaderka 0:16fd37cf4a7c 52 When mode >= 2, conversion is triggered by edge:
jkaderka 0:16fd37cf4a7c 53 0 - Rising edge
jkaderka 0:16fd37cf4a7c 54 1 - Falling edge
jkaderka 0:16fd37cf4a7c 55 */
jkaderka 0:16fd37cf4a7c 56 void startmode(int mode, int edge);
jkaderka 0:16fd37cf4a7c 57
jkaderka 0:16fd37cf4a7c 58 //Return startmode state according to mode_edge=0: mode and mode_edge=1: edge
jkaderka 0:16fd37cf4a7c 59 int startmode(int mode_edge);
jkaderka 0:16fd37cf4a7c 60
jkaderka 0:16fd37cf4a7c 61 //Start ADC conversion
jkaderka 0:16fd37cf4a7c 62 void start(void);
jkaderka 0:16fd37cf4a7c 63
jkaderka 0:16fd37cf4a7c 64 //Set interrupt enable/disable for pin to state
jkaderka 0:16fd37cf4a7c 65 void interrupt_state(PinName pin, int state);
jkaderka 0:16fd37cf4a7c 66
jkaderka 0:16fd37cf4a7c 67 //Return enable/disable state of interrupt for pin
jkaderka 0:16fd37cf4a7c 68 int interrupt_state(PinName pin);
jkaderka 0:16fd37cf4a7c 69
jkaderka 0:16fd37cf4a7c 70 //Attach custom interrupt handler replacing default
jkaderka 0:16fd37cf4a7c 71 void attach(void(*fptr)(void));
jkaderka 0:16fd37cf4a7c 72
jkaderka 0:16fd37cf4a7c 73 //Restore default interrupt handler
jkaderka 0:16fd37cf4a7c 74 void detach(void);
jkaderka 0:16fd37cf4a7c 75
jkaderka 0:16fd37cf4a7c 76 //Append custom interrupt handler for pin
jkaderka 0:16fd37cf4a7c 77 void append(PinName pin, void(*fptr)(uint32_t value));
jkaderka 0:16fd37cf4a7c 78
jkaderka 0:16fd37cf4a7c 79 //Unappend custom interrupt handler for pin
jkaderka 0:16fd37cf4a7c 80 void unappend(PinName pin);
jkaderka 0:16fd37cf4a7c 81
jkaderka 0:16fd37cf4a7c 82 //Append custom global interrupt handler
jkaderka 0:16fd37cf4a7c 83 void append(void(*fptr)(int chan, uint32_t value));
jkaderka 0:16fd37cf4a7c 84
jkaderka 0:16fd37cf4a7c 85 //Unappend custom global interrupt handler
jkaderka 0:16fd37cf4a7c 86 void unappend(void);
jkaderka 0:16fd37cf4a7c 87
jkaderka 0:16fd37cf4a7c 88 //Set ADC offset to a value 0-7
jkaderka 0:16fd37cf4a7c 89 void offset(int offset);
jkaderka 0:16fd37cf4a7c 90
jkaderka 0:16fd37cf4a7c 91 //Return current ADC offset
jkaderka 0:16fd37cf4a7c 92 int offset(void);
jkaderka 0:16fd37cf4a7c 93
jkaderka 0:16fd37cf4a7c 94 //Return value of ADC on pin
jkaderka 0:16fd37cf4a7c 95 int read(PinName pin);
jkaderka 0:16fd37cf4a7c 96
jkaderka 0:16fd37cf4a7c 97 //Return DONE flag of ADC on pin
jkaderka 0:16fd37cf4a7c 98 int done(PinName pin);
jkaderka 0:16fd37cf4a7c 99
jkaderka 0:16fd37cf4a7c 100 //Return OVERRUN flag of ADC on pin
jkaderka 0:16fd37cf4a7c 101 int overrun(PinName pin);
jkaderka 0:16fd37cf4a7c 102
jkaderka 0:16fd37cf4a7c 103 //Return actual ADC clock
jkaderka 0:16fd37cf4a7c 104 int actual_adc_clock(void);
jkaderka 0:16fd37cf4a7c 105
jkaderka 0:16fd37cf4a7c 106 //Return actual maximum sample rate
jkaderka 0:16fd37cf4a7c 107 int actual_sample_rate(void);
jkaderka 0:16fd37cf4a7c 108
jkaderka 0:16fd37cf4a7c 109 //Return pin ID of ADC channel
jkaderka 0:16fd37cf4a7c 110 PinName channel_to_pin(int chan);
jkaderka 0:16fd37cf4a7c 111
jkaderka 0:16fd37cf4a7c 112 //Return pin number of ADC channel
jkaderka 0:16fd37cf4a7c 113 int channel_to_pin_number(int chan);
jkaderka 0:16fd37cf4a7c 114
jkaderka 0:16fd37cf4a7c 115
jkaderka 0:16fd37cf4a7c 116 private:
jkaderka 0:16fd37cf4a7c 117 int _pin_to_channel(PinName pin);
jkaderka 0:16fd37cf4a7c 118 uint32_t _data_of_pin(PinName pin);
jkaderka 0:16fd37cf4a7c 119
jkaderka 0:16fd37cf4a7c 120 int _adc_clk_freq;
jkaderka 0:16fd37cf4a7c 121 void adcisr(void);
jkaderka 0:16fd37cf4a7c 122 static void _adcisr(void);
jkaderka 0:16fd37cf4a7c 123 static ADC *instance;
jkaderka 0:16fd37cf4a7c 124
jkaderka 0:16fd37cf4a7c 125 uint32_t _adc_data[8];
jkaderka 0:16fd37cf4a7c 126 void(*_adc_isr[8])(uint32_t value);
jkaderka 0:16fd37cf4a7c 127 void(*_adc_g_isr)(int chan, uint32_t value);
jkaderka 0:16fd37cf4a7c 128 void(*_adc_m_isr)(void);
jkaderka 0:16fd37cf4a7c 129 };
jkaderka 0:16fd37cf4a7c 130
jkaderka 0:16fd37cf4a7c 131 #endif