x mbed2リビジョン144
x リビジョンを変更できる人むけ
目的
GPIOのテスト
構成
マイコン内蔵RGBLED WS2812B (2個入)
[WS2812B(V5)]
通販コード I-07915
発売日 2014/05/27
メーカーカテゴリ Worldsemi Co.,Limited (ワールドセミ)
//WB2812B_test1_812_1
#include "mbed.h"
DigitalOut myled(P0_6);
#define io_def 0x80
// 654321009876543210
//#define on1 0b0000000010000000
//#define off1 0b0000000000000000
// 654321009876543210
#define on1 0b0000000001000000
#define off1 0b0000000000000000
int l[90]; //max30 led
void bit_on1();
void bit_off1();
// 12345678 12345678 12345678 12345678
int b8[8] = {0b10000000,0b01000000,0b00100000,0b00010000,
0b00001000,0b00000100,0b00000010,0b00000001,
};
int ws_led(int num1)
{
int on_off;
__disable_irq(); // disable interrupt
//__enable_irq(); // enable interrupt
for(int ii=0; ii<num1; ii++) {
//8ビット分送る
for(int jj=0; jj<8; jj++) {
on_off = l[ii] & b8[jj];
if( on_off == 0 ) {
//ビットが0
bit_off1();
} else {
//ビットが1
bit_on1();
}//endif
}//for 8bit
}//for max30byt
//__disable_irq(); // disable interrupt
__enable_irq(); // enable interrupt
return(0);
}
//メイン関数
int main()
{
while(1){
// l[3*0+0] = 31;
// l[3*0+1] = 32;
// l[3*0+2] = 33;
l[3*0+0] = 10;
l[3*0+1] = 10;
l[3*0+2] = 10;
//
l[3*1+0] = 15;
l[3*1+1] = 15;
l[3*1+2] = 15;
//
//l[3*2+0] = 10;
//l[3*2+1] = 10;
//l[3*2+2] = 32;
//for(int ii=0;ii<9;ii++){
// l[ii] = rand()%52;
//}//for
//ws2812bへデータを送る
ws_led(6);
//1秒待つ
wait_ms(100);
} //while
} //main
// 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3
void bit_off1()
{
//0.3us 800khz
LPC_GPIO_PORT->PIN0 = on1;
__NOP();
__NOP();
__NOP();
LPC_GPIO_PORT->PIN0 = off1;
__NOP();
__NOP();
//LPC_GPIO_PORT->PIN0 = off1;
__NOP();
__NOP();
__NOP();
__NOP();
__NOP();
__NOP();
__NOP();
__NOP();
__NOP();
__NOP();
__NOP();
__NOP();
__NOP();
__NOP();
__NOP();
}//bit_off1
// 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
void bit_on1()
{
//1us 800khz
LPC_GPIO_PORT->PIN0 = on1;
__NOP();
__NOP();
__NOP();
__NOP();
__NOP();
__NOP();
__NOP();
__NOP();
__NOP();
__NOP();
__NOP();
__NOP();
__NOP();
__NOP();
__NOP();
LPC_GPIO_PORT->PIN0 = off1;
__NOP();
__NOP();
__NOP();
__NOP();
__NOP();
}//bit_on1
-26-