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STM32F30x - Enable serial PWM (PPM) input on PWM1.

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This might also fix parallel PWM input too, but untested.
This commit is contained in:
Dominic Clifton 2014-05-01 20:20:24 +01:00
parent 133f75a17b
commit fbe2f82c05
6 changed files with 84 additions and 40 deletions
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17
src/drivers/pwm_common.c
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@ -13,7 +13,9 @@
#include "pwm_common.h"
/*
Configuration maps:
Configuration maps
Note: this documentation is only valid for STM32F10x, for STM32F30x please read the code itself.
1) multirotor PPM input
PWM1 used for PPM
@ -250,7 +252,7 @@ static pwmPortData_t *pwmInConfig(uint8_t port, timerCCCallbackPtr callback, uin
p->channel = channel;
pwmGPIOConfig(timerHardwarePtr->gpio, timerHardwarePtr->pin, Mode_IPD);
pwmGPIOConfig(timerHardwarePtr->gpio, timerHardwarePtr->pin, timerHardwarePtr->gpioInputMode);
pwmICConfig(timerHardwarePtr->tim, timerHardwarePtr->channel, TIM_ICPolarity_Rising);
timerConfigure(timerHardwarePtr, 0xFFFF, PWM_TIMER_MHZ);
@ -372,10 +374,17 @@ void pwmInit(drv_pwm_config_t *init, failsafe_t *initialFailsafe)
mask = 0;
if (init->useServos && !init->airplane) {
// remap PWM9+10 as servos (but not in airplane mode LOL)
#ifdef STM32F10X_MD
// remap PWM9+10 as servos
if (port == PWM9 || port == PWM10)
mask = TYPE_S;
}
#endif
#ifdef STM32F303xC
// remap PWM5+6 as servos
if (port == PWM5 || port == PWM6)
mask = TYPE_S;
#endif
}
if (init->extraServos && !init->airplane) {
// remap PWM5..8 as servos when used in extended servo mode