suu pen / Mbed 2 deprecated Library_MY9221

12-Channel LED Driver With Gray scale Adaptive Pulse Density Modulation Control IC maker MY-Semi

Dependencies:   MY9221 mbed

main.cpp@3:7df2f4cd2f04, 2017-10-22 (annotated)

Committer:
suupen
Date:
Sun Oct 22 23:20:45 2017 +0000
Revision:
3:7df2f4cd2f04
Parent:
2:b59a2fe78451 
complete;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
suupen 0:104d4c4514b8 1 /**
suupen 0:104d4c4514b8 2 * @section DESCRIPTION
suupen 0:104d4c4514b8 3 * maker http://www.my-semi.com/content/products/product_mean.aspx?id=9
suupen 0:104d4c4514b8 4 * shop http://akizukidenshi.com/catalog/g/gI-09678/
suupen 2:b59a2fe78451 5 *
suupen 2:b59a2fe78451 6 * sample program schematic
suupen 2:b59a2fe78451 7 *
suupen 2:b59a2fe78451 8 * VOUT(3.3V) VOUT VOUT
suupen 2:b59a2fe78451 9 * | |VDD |VDD
suupen 2:b59a2fe78451 10 * -------------- ------------- ---------------
suupen 2:b59a2fe78451 11 * mbed(LPC1768)| |MY9221(2) | |MY9221(1) |
suupen 2:b59a2fe78451 12 * p5 |------------|DI DO | ---------- |DI |
suupen 2:b59a2fe78451 13 * p10|------------|DCKI DCKO| ---------- |DCKI |
suupen 2:b59a2fe78451 14 * | | | | |
suupen 2:b59a2fe78451 15 * | 22kOhme --|REXT-C | 22kOhme --|REXT-C |
suupen 2:b59a2fe78451 16 * | 22kOhme --|REXT-B | 22kOhme --|REXT-B |
suupen 2:b59a2fe78451 17 * | 22kOhme --|REXT-A | 22kOhme --|REXT-A |
suupen 2:b59a2fe78451 18 * ------------- ------------- --------------
suupen 2:b59a2fe78451 19 * |.........| |...........|
suupen 2:b59a2fe78451 20 * LED1 LED12 LED1 LED12
suupen 0:104d4c4514b8 21 */
suupen 0:104d4c4514b8 22
suupen 0:104d4c4514b8 23 /*
suupen 0:104d4c4514b8 24 MY9366
suupen 0:104d4c4514b8 25 http://www.my-semi.com/content/products/product_mean.aspx?id=28
suupen 0:104d4c4514b8 26 */
suupen 0:104d4c4514b8 27
suupen 0:104d4c4514b8 28 #include "mbed.h"
suupen 0:104d4c4514b8 29 #include "MY9221.h"
suupen 1:caa6335a5b06 30 MY9221 MY9221(p5, p10, 2); // di, clk, number
suupen 0:104d4c4514b8 31
suupen 1:caa6335a5b06 32 uint16_t D_gray[12] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
suupen 2:b59a2fe78451 33 float D_gray2[12] = {0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0};
suupen 0:104d4c4514b8 34
suupen 0:104d4c4514b8 35 int main()
suupen 0:104d4c4514b8 36 {
suupen 0:104d4c4514b8 37
suupen 1:caa6335a5b06 38 MY9221.commandSet(MY9221::fast, MY9221::bit16, MY9221::freq1, MY9221::waveApdm, MY9221::internal, MY9221::workLed, MY9221::free, MY9221::repeat);
suupen 0:104d4c4514b8 39
suupen 0:104d4c4514b8 40
suupen 0:104d4c4514b8 41 while(1) {
suupen 0:104d4c4514b8 42
suupen 1:caa6335a5b06 43 for(int i=0; i < 12; i++) {
suupen 2:b59a2fe78451 44 D_gray[i] += 0x100;
suupen 2:b59a2fe78451 45 D_gray2[i] += 0.01;
suupen 1:caa6335a5b06 46 if(D_gray2[i] > 1)D_gray2[i] = 0;
suupen 1:caa6335a5b06 47 }
suupen 1:caa6335a5b06 48 MY9221.dataRawSet(D_gray, 1);
suupen 1:caa6335a5b06 49 MY9221.dataSet(D_gray2, 2);
suupen 2:b59a2fe78451 50 wait_ms(20); // Image refresh Rate [s] < led gray data update cycle [s]
suupen 1:caa6335a5b06 51 MY9221.refresh();
suupen 0:104d4c4514b8 52
suupen 0:104d4c4514b8 53 }
suupen 0:104d4c4514b8 54 }