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| Both sides previous revision Previous revision Next revision | Previous revision | ||
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en:c2_hardware_pwm [2016/02/29 14:34] ck.kim [Usage] |
en:c2_hardware_pwm [2017/01/31 19:10] (current) odroid [freq0] |
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| - | === Option 2: Two PWM === | + | === Option 2: Two PWMs === |
| //**PWM PINS:**// | //**PWM PINS:**// | ||
| //**PWM0: 33**// | //**PWM0: 33**// | ||
| - | //**PWM1: 11**// | + | //**PWM1: 19**// |
| <code> | <code> | ||
| Line 32: | Line 32: | ||
| </code> | </code> | ||
| + | <WRAP left round important 100%> | ||
| + | If you are using TWO pwm setup, PWM1 & SPI can not be used simultaneously.\\ | ||
| + | Because GPIOX_7(pin19) has two function spi_mosi & pwm. | ||
| + | </WRAP> | ||
| ==== Examples of usage ==== | ==== Examples of usage ==== | ||
| You can control this pwm via simple sysfs entries. | You can control this pwm via simple sysfs entries. | ||
| - | On **/sys/devices/pwm-ctrl.xx/** You'll find the following files: | + | On **/sys/devices/platform/pwm-ctrl/** You'll find the following files: |
| ==== duty0 ==== | ==== duty0 ==== | ||
| Line 59: | Line 63: | ||
| enable1, freq1, duty1 | enable1, freq1, duty1 | ||
| </WRAP> | </WRAP> | ||
| + | |||
| + | ==== How to access the PWM port in C language ==== | ||
| + | |||
| + | [[http://forum.odroid.com/viewtopic.php?f=141&t=25563#p177696|Example code by paulcrawford ]] | ||
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