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Added note in PWM driver and example about PM0

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Antonio Lignan 2015-11-30 09:43:35 +01:00
parent 37fcb927be
commit e47b309536
2 changed files with 10 additions and 1 deletions
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6
cpu/cc2538/dev/pwm.h
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@ -43,9 +43,13 @@
* easily changed (see PWM_FREQ_MIN and PWM_FREQ_MAX values). The reason it is * easily changed (see PWM_FREQ_MIN and PWM_FREQ_MAX values). The reason it is
* fixed to these frequencies is to have a consistent duty cycle * fixed to these frequencies is to have a consistent duty cycle
* implementation. * implementation.
*
* Depending on the specific needs these limits can be changed to meet a given * Depending on the specific needs these limits can be changed to meet a given
* duty cycle and lower frequencies by using the prescaler (GPTIMER_TnPR). * duty cycle and lower frequencies by using the prescaler (GPTIMER_TnPR).
* *
* The PWM timer is stopped when dropping below PM0, alternatively you can set
* LPM_CONF_MAX_PM to zero, or call lpm_max_pm(0)
*
* @{ * @{
* *
* \file * \file
@ -174,4 +178,4 @@ int8_t pwm_toggle_direction(uint8_t timer, uint8_t ab);
/** /**
* @} * @}
* @} * @}
*/ */

5
examples/zolertia/zoul/test-pwm.c
View file

@ -35,6 +35,11 @@
* \defgroup remote-test-pwm Test the CC2538 PWM driver * \defgroup remote-test-pwm Test the CC2538 PWM driver
* *
* Demonstrates the use of the CC2538 PWM driver for the Zolertia's Zoul boards * Demonstrates the use of the CC2538 PWM driver for the Zolertia's Zoul boards
* The PWM timer is stopped when dropping below PM0, alternatively you can set
* LPM_CONF_MAX_PM to zero, or call lpm_max_pm(0). In this example is not
* needed as we disable RDC in the Makefile, and the CC2538 never drops below
* PM0
*
* @{ * @{
* *
* \file * \file