Markus Kalkbrenner / Mbed 2 deprecated Pinscape_Controller

work in progress

Dependencies:   FastAnalogIn FastIO USBDevice mbed FastPWM SimpleDMA

Fork of Pinscape_Controller by Mike R

TSL1410R/tsl410r.cpp@38:697e10d8fb80, 2015-12-16 (annotated)

Committer:
mkalkbrenner
Date:
Wed Dec 16 15:37:59 2015 +0000
Revision:
38:697e10d8fb80
Parent:
17:ab3cec0c8bf4 
fixed default configuration for extension boards

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mjr 17:ab3cec0c8bf4 1 #if 0
mjr 17:ab3cec0c8bf4 2 // this file is no longer used - the method bodies are no in the header,
mjr 17:ab3cec0c8bf4 3 // which was necessary because of the change to a template class, which
mjr 17:ab3cec0c8bf4 4 // itself was necessary because of the use of the FastIO library
mjr 17:ab3cec0c8bf4 5
mjr 2:c174f9ee414a 6 #include "mbed.h"
mjr 2:c174f9ee414a 7 #include "tsl1410r.h"
mjr 2:c174f9ee414a 8
mjr 17:ab3cec0c8bf4 9 template <PinName siPin, PinName clockPin> TSL1410R<siPin, clockPin>::
mjr 17:ab3cec0c8bf4 10 TSL1410R<siPin, clockPin>(PinName aoPort) : ao(aoPort)
mjr 2:c174f9ee414a 11 {
mjr 2:c174f9ee414a 12 // clear out power-on noise by clocking through all pixels twice
mjr 2:c174f9ee414a 13 clear();
mjr 2:c174f9ee414a 14 clear();
mjr 2:c174f9ee414a 15 }
mjr 2:c174f9ee414a 16
mjr 17:ab3cec0c8bf4 17 template <PinName siPin, PinName clockPin> void TSL1410R<siPin, clockPin>::clear()
mjr 2:c174f9ee414a 18 {
mjr 2:c174f9ee414a 19 // clock in an SI pulse
mjr 2:c174f9ee414a 20 si = 1;
mjr 2:c174f9ee414a 21 clock = 1;
mjr 2:c174f9ee414a 22 clock = 0;
mjr 2:c174f9ee414a 23 si = 0;
mjr 2:c174f9ee414a 24
mjr 2:c174f9ee414a 25 // clock out all pixels
mjr 2:c174f9ee414a 26 for (int i = 0 ; i < nPix + 1 ; ++i) {
mjr 2:c174f9ee414a 27 clock = 1;
mjr 2:c174f9ee414a 28 clock = 0;
mjr 2:c174f9ee414a 29 }
mjr 2:c174f9ee414a 30 }
mjr 2:c174f9ee414a 31
mjr 17:ab3cec0c8bf4 32 template <PinName siPin, PinName clockPin> void TSL1410R<siPin, clockPin>::
mjr 17:ab3cec0c8bf4 33 read(uint16_t *pix, int n, void (*cb)(void *ctx), void *cbctx, int cbcnt)
mjr 2:c174f9ee414a 34 {
mjr 6:cc35eb643e8f 35 // start the next integration cycle by pulsing SI and one clock
mjr 2:c174f9ee414a 36 si = 1;
mjr 2:c174f9ee414a 37 clock = 1;
mjr 2:c174f9ee414a 38 clock = 0;
mjr 2:c174f9ee414a 39 si = 0;
mjr 2:c174f9ee414a 40
mjr 2:c174f9ee414a 41 // figure how many pixels to skip on each read
mjr 2:c174f9ee414a 42 int skip = nPix/n - 1;
mjr 14:df700b22ca08 43
mjr 14:df700b22ca08 44 // figure the callback interval
mjr 14:df700b22ca08 45 int cbInterval = nPix;
mjr 14:df700b22ca08 46 if (cb != 0)
mjr 14:df700b22ca08 47 cbInterval = nPix/(cbcnt+1);
mjr 2:c174f9ee414a 48
mjr 14:df700b22ca08 49 // read all of the pixels
mjr 14:df700b22ca08 50 for (int src = 0, dst = 0 ; src < nPix ; )
mjr 2:c174f9ee414a 51 {
mjr 14:df700b22ca08 52 // figure the end of this callback interval
mjr 14:df700b22ca08 53 int srcEnd = src + cbInterval;
mjr 14:df700b22ca08 54 if (srcEnd > nPix)
mjr 14:df700b22ca08 55 srcEnd = nPix;
mjr 2:c174f9ee414a 56
mjr 14:df700b22ca08 57 // read one callback chunk of pixels
mjr 14:df700b22ca08 58 for ( ; src < srcEnd ; ++src)
mjr 14:df700b22ca08 59 {
mjr 14:df700b22ca08 60 // read this pixel
mjr 14:df700b22ca08 61 pix[dst++] = ao.read_u16();
mjr 2:c174f9ee414a 62
mjr 14:df700b22ca08 63 // clock in the next pixel
mjr 2:c174f9ee414a 64 clock = 1;
mjr 2:c174f9ee414a 65 clock = 0;
mjr 14:df700b22ca08 66
mjr 14:df700b22ca08 67 // clock skipped pixels
mjr 14:df700b22ca08 68 for (int i = 0 ; i < skip ; ++i, ++src)
mjr 14:df700b22ca08 69 {
mjr 14:df700b22ca08 70 clock = 1;
mjr 14:df700b22ca08 71 clock = 0;
mjr 14:df700b22ca08 72 }
mjr 2:c174f9ee414a 73 }
mjr 14:df700b22ca08 74
mjr 14:df700b22ca08 75 // call the callback, if we're not at the last pixel
mjr 14:df700b22ca08 76 if (cb != 0 && src < nPix)
mjr 14:df700b22ca08 77 (*cb)(cbctx);
mjr 2:c174f9ee414a 78 }
mjr 2:c174f9ee414a 79
mjr 2:c174f9ee414a 80 // clock out one extra pixel to leave A1 in the high-Z state
mjr 2:c174f9ee414a 81 clock = 1;
mjr 2:c174f9ee414a 82 clock = 0;
mjr 2:c174f9ee414a 83 }
mjr 17:ab3cec0c8bf4 84
mjr 17:ab3cec0c8bf4 85 #endif /* 0 */