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pwm: add period limits, warn over syslog

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Added minimum, maximum and default period settings to board definitions
PWM will now have a default period as defined in the board defintion.
When using pwm_write() writing 1.0f or above will default to 100%.

Signed-off-by: Thomas Ingleby <thomas.c.ingleby@intel.com>
This commit is contained in:
Thomas Ingleby
2014-10-30 12:03:24 +00:00
parent 29b0425c9b
commit 3b01af1da1
6 changed files with 28 additions and 0 deletions
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3
src/intel_galileo_rev_g.c
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@@ -177,6 +177,9 @@ mraa_intel_galileo_gen2()
b->aio_count = 6;
b->adc_raw = 12;
b->adc_supported = 10;
b->pwm_default_period = 5000;
b->pwm_max_period = 41666;
b->pwm_min_period = 666;
advance_func->gpio_dir_pre = &mraa_intel_galileo_gen2_dir_pre;
advance_func->i2c_init_pre = &mraa_intel_galileo_gen2_i2c_init_pre;