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OpenMVカメラでGrove I2C Motor Driverテスト
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| import utime | |
| from machine import I2C, Pin, info | |
| i2c = I2C(sda=Pin('P5'), scl=Pin('P4'), freq=100000) | |
| i2caddr = 0xf | |
| #set frequence(3921Hz) | |
| buf = bytearray([0x84, 0x02, 0x01]) | |
| i2c.writeto(i2caddr, buf) | |
| utime.sleep_ms(4) | |
| #set direction(BothClockWise) | |
| buf = bytearray([0xaa, 0x0a, 0x01]) | |
| i2c.writeto(i2caddr, buf) | |
| utime.sleep_ms(4) | |
| i = 0 | |
| d = 1 | |
| while True: | |
| #motor speed | |
| buf = bytearray([0x82, i, i]) | |
| i2c.writeto(i2caddr, buf) | |
| utime.sleep_ms(100) | |
| print(i) | |
| if ( d > 0 and i == 255): | |
| d = -1 | |
| if ( d < 0 and i == 0): | |
| d = 1 | |
| i = i + d |
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