suu pen
/
Library_MY9221
12-Channel LED Driver With Gray scale Adaptive Pulse Density Modulation Control IC maker MY-Semi
Diff: main.cpp
- Revision:
- 2:b59a2fe78451
- Parent:
- 1:caa6335a5b06
--- a/main.cpp Sun Oct 22 12:08:38 2017 +0000 +++ b/main.cpp Sun Oct 22 23:18:19 2017 +0000 @@ -2,21 +2,35 @@ * @section DESCRIPTION * maker http://www.my-semi.com/content/products/product_mean.aspx?id=9 * shop http://akizukidenshi.com/catalog/g/gI-09678/ + * + * sample program schematic + * + * VOUT(3.3V) VOUT VOUT + * | |VDD |VDD + * -------------- ------------- --------------- + * mbed(LPC1768)| |MY9221(2) | |MY9221(1) | + * p5 |------------|DI DO | ---------- |DI | + * p10|------------|DCKI DCKO| ---------- |DCKI | + * | | | | | + * | 22kOhme --|REXT-C | 22kOhme --|REXT-C | + * | 22kOhme --|REXT-B | 22kOhme --|REXT-B | + * | 22kOhme --|REXT-A | 22kOhme --|REXT-A | + * ------------- ------------- -------------- + * |.........| |...........| + * LED1 LED12 LED1 LED12 */ /* MY9366 http://www.my-semi.com/content/products/product_mean.aspx?id=28 */ -#define LIBMY9221 #include "mbed.h" - #include "MY9221.h" MY9221 MY9221(p5, p10, 2); // di, clk, number uint16_t D_gray[12] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; -float D_gray2[12] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; +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}; int main() { @@ -27,13 +41,13 @@ while(1) { for(int i=0; i < 12; i++) { - D_gray[i] += 0x1; - D_gray2[i] += 0.001; + D_gray[i] += 0x100; + D_gray2[i] += 0.01; if(D_gray2[i] > 1)D_gray2[i] = 0; } MY9221.dataRawSet(D_gray, 1); MY9221.dataSet(D_gray2, 2); - wait_ms(20); + wait_ms(20); // Image refresh Rate [s] < led gray data update cycle [s] MY9221.refresh(); }