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#2894 - Crossfire (inverted serial) sent on S.PORT pin in the module bay (ported from master f7044a20ec)

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16 channels sent every 2.5ms now @ 200KBauds with CRC
This commit is contained in:
Damjan Adamic
2015-12-20 17:10:32 +01:00
parent e8983250ca
commit 91e80d446a
31 changed files with 435 additions and 92 deletions
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radio/src/targets/taranis/pulses_driver.cpp
+55
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@@ -58,6 +58,8 @@ static void intmoduleNoneStart( void ) ;
static void intmoduleNoneStop( void ) ;
static void extmoduleNoneStart( void ) ;
static void extmoduleNoneStop( void ) ;
static void extmoduleCrossfireStart( void ) ;
static void extmoduleCrossfireStop( void ) ;
void init_pxx(uint32_t port)
{
@@ -148,6 +150,19 @@ void disable_no_pulses(uint32_t port)
extmoduleNoneStop();
}
void init_crossfire(uint32_t port)
{
if (port == EXTERNAL_MODULE) {
extmoduleCrossfireStart();
}
}
void disable_crossfire(uint32_t port)
{
if (port == EXTERNAL_MODULE)
extmoduleCrossfireStop();
}
static void intmoduleNoneStart()
{
INTERNAL_MODULE_OFF();
@@ -226,6 +241,46 @@ static void extmoduleNoneStop()
EXTMODULE_TIMER->CR1 &= ~TIM_CR1_CEN ;
}
static void extmoduleCrossfireStart()
{
EXTERNAL_MODULE_ON();
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitStructure.GPIO_Pin = EXTMODULE_GPIO_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT ;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(EXTMODULE_GPIO, &GPIO_InitStructure);
GPIO_SetBits(EXTMODULE_GPIO, EXTMODULE_GPIO_PIN); // Set high
EXTMODULE_TIMER->CR1 &= ~TIM_CR1_CEN ;
EXTMODULE_TIMER->ARR = 5000 ; // 2.5mS
EXTMODULE_TIMER->CCR2 = 32000 ; // Update time
EXTMODULE_TIMER->PSC = (PERI2_FREQUENCY * TIMER_MULT_APB2) / 2000000 - 1 ; // 0.5uS from 30MHz
EXTMODULE_TIMER->CCMR2 = 0 ;
EXTMODULE_TIMER->EGR = 1 ; // Restart
EXTMODULE_TIMER->CCMR2 = TIM_CCMR2_OC3M_1 | TIM_CCMR2_OC3M_0 ; // Toggle CC1 o/p
EXTMODULE_TIMER->SR &= ~TIM_SR_CC2IF ; // Clear flag
EXTMODULE_TIMER->DIER |= TIM_DIER_CC2IE ; // Enable this interrupt
EXTMODULE_TIMER->CR1 |= TIM_CR1_CEN ;
NVIC_EnableIRQ(EXTMODULE_TIMER_IRQn) ;
NVIC_SetPriority(EXTMODULE_TIMER_IRQn, 7);
}
static void extmoduleCrossfireStop()
{
NVIC_DisableIRQ(EXTMODULE_TIMER_IRQn) ;
EXTMODULE_TIMER->DIER &= ~TIM_DIER_CC2IE ;
EXTMODULE_TIMER->CR1 &= ~TIM_CR1_CEN ;
if (!IS_TRAINER_EXTERNAL_MODULE()) {
EXTERNAL_MODULE_OFF();
}
}
static void intmodulePxxStart()
{
INTERNAL_MODULE_ON();