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| #include <wiringPi.h> | |
| #include <wiringPiSPI.h> | |
| #include <iostream> | |
| #include <stdint.h> | |
| int main() { | |
| wiringPiSetup(); | |
| if(wiringPiSPISetup(0, 6000000) < 0) { | |
| std::cerr << "wiringPiSPISetup failed" << std::endl; | |
| } | |
| uint8_t buf[1]; | |
| for(int i = 0; i < 4; i++) { | |
| buf[0] = 0x00; | |
| wiringPiSPIDataRW(0, buf, 1); | |
| } | |
| uint8_t r, g, b, brightness; | |
| r = 0xFF; | |
| g = 0x00; | |
| b = 0x00; | |
| brightness = 15; | |
| uint8_t led_frame[4]; | |
| for(int i = 0; i < 8; i++) { | |
| led_frame[0] = 0b11100000 | (0b00011111 & brightness); | |
| led_frame[1] = b; | |
| led_frame[2] = g; | |
| led_frame[3] = r; | |
| wiringPiSPIDataRW(0, led_frame, 4); | |
| } | |
| for(int i = 0; i < 4; i++) { | |
| buf[0] = 0xFF; | |
| wiringPiSPIDataRW(0, buf, 1); | |
| } | |
| return 0; | |
| } |
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