arranged by katano
Dependencies: MPU9150_DMP Neon_F303K8 QuaternionMath iSDIO mbed-rtos mbed
Fork of Neon_F303K8 by
taskLed.cpp
- Committer:
- yishii
- Date:
- 2016-05-16
- Revision:
- 1:73543a1fbe62
- Parent:
- 0:65a0ae5578da
- Child:
- 3:5f0d6133d34c
File content as of revision 1:73543a1fbe62:
#include "mbed.h" #include "math.h" #include "rtos.h" #include "gpio_defs.h" #include "configure.h" // Clock 72MHz // 0.35us : NOP*25.2 // 0.8us : 57.6 // 0.7us : 50.4 // 0.6us : 43.2 inline void sleep0_35us(void) { asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); } inline void sleep0_8us(void) { asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); } inline void sleep0_7us(void) { asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); } inline void sleep0_6us(void) { asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); } inline void led_bit_0(void){ pinLed = 1; sleep0_35us(); pinLed = 0; sleep0_8us(); } inline void led_bit_1(void){ pinLed = 1; sleep0_7us(); pinLed = 0; sleep0_6us(); } void TaskLed(void const *argument) { int i; int j; int k; int8_t val = 255; printf("TaskLed started\r\n"); while(1){ for(i=0;i<NUMBER_OF_LEDS;i++){ for(j=0;j<3;j++){ for(k=0;k<8;k++){ if((val >> (7-k)) & 0x01){ led_bit_1(); } else { led_bit_0(); } } } } val-=20; } } /* * WS2812 tape led IC * * 0.35us 0.8us (+-150ns) * 0: |^^^^^|__________| * * 0.7us 0.6us (+-150ns) * 1: |^^^^^^^^^^|_____| * * >50us * RESET: |________________| */