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authorgdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>2011-03-08 10:09:57 +0000
committergdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>2011-03-08 10:09:57 +0000
commit18fb8f676f0f650d83f69bc29ab45b04b73e86c1 (patch)
tree5a5668b39a5ddec4981f6dd2d5815d1e706c8471 /os/hal/platforms/STM32/pwm_lld.c
parentc3cb79bec35415a930dd017f7c389c57784377ab (diff)
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git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@2808 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/hal/platforms/STM32/pwm_lld.c')
-rw-r--r--os/hal/platforms/STM32/pwm_lld.c140
1 files changed, 70 insertions, 70 deletions
diff --git a/os/hal/platforms/STM32/pwm_lld.c b/os/hal/platforms/STM32/pwm_lld.c
index a101b284a..6a5b210df 100644
--- a/os/hal/platforms/STM32/pwm_lld.c
+++ b/os/hal/platforms/STM32/pwm_lld.c
@@ -107,20 +107,20 @@ PWMDriver PWMD5;
static void serve_interrupt(PWMDriver *pwmp) {
uint16_t sr;
- sr = pwmp->pd_tim->SR;
- sr &= pwmp->pd_tim->DIER;
- pwmp->pd_tim->SR = ~(TIM_SR_CC1IF | TIM_SR_CC2IF | TIM_SR_CC3IF |
+ sr = pwmp->tim->SR;
+ sr &= pwmp->tim->DIER;
+ pwmp->tim->SR = ~(TIM_SR_CC1IF | TIM_SR_CC2IF | TIM_SR_CC3IF |
TIM_SR_CC4IF | TIM_SR_UIF);
if ((sr & TIM_SR_CC1IF) != 0)
- pwmp->pd_config->pc_channels[0].pcc_callback(pwmp);
+ pwmp->config->channels[0].callback(pwmp);
if ((sr & TIM_SR_CC2IF) != 0)
- pwmp->pd_config->pc_channels[1].pcc_callback(pwmp);
+ pwmp->config->channels[1].callback(pwmp);
if ((sr & TIM_SR_CC3IF) != 0)
- pwmp->pd_config->pc_channels[2].pcc_callback(pwmp);
+ pwmp->config->channels[2].callback(pwmp);
if ((sr & TIM_SR_CC4IF) != 0)
- pwmp->pd_config->pc_channels[3].pcc_callback(pwmp);
+ pwmp->config->channels[3].callback(pwmp);
if ((sr & TIM_SR_UIF) != 0)
- pwmp->pd_config->pc_callback(pwmp);
+ pwmp->config->callback(pwmp);
}
#endif /* STM32_PWM_USE_TIM2 || ... || STM32_PWM_USE_TIM5 */
@@ -142,7 +142,7 @@ CH_IRQ_HANDLER(TIM1_UP_IRQHandler) {
CH_IRQ_PROLOGUE();
TIM1->SR = ~TIM_SR_UIF;
- PWMD1.pd_config->pc_callback(&PWMD1);
+ PWMD1.config->callback(&PWMD1);
CH_IRQ_EPILOGUE();
}
@@ -163,13 +163,13 @@ CH_IRQ_HANDLER(TIM1_CC_IRQHandler) {
sr = TIM1->SR & TIM1->DIER;
TIM1->SR = ~(TIM_SR_CC1IF | TIM_SR_CC2IF | TIM_SR_CC3IF | TIM_SR_CC4IF);
if ((sr & TIM_SR_CC1IF) != 0)
- PWMD1.pd_config->pc_channels[0].pcc_callback(&PWMD1);
+ PWMD1.config->channels[0].callback(&PWMD1);
if ((sr & TIM_SR_CC2IF) != 0)
- PWMD1.pd_config->pc_channels[1].pcc_callback(&PWMD1);
+ PWMD1.config->channels[1].callback(&PWMD1);
if ((sr & TIM_SR_CC3IF) != 0)
- PWMD1.pd_config->pc_channels[2].pcc_callback(&PWMD1);
+ PWMD1.config->channels[2].callback(&PWMD1);
if ((sr & TIM_SR_CC4IF) != 0)
- PWMD1.pd_config->pc_channels[3].pcc_callback(&PWMD1);
+ PWMD1.config->channels[3].callback(&PWMD1);
CH_IRQ_EPILOGUE();
}
@@ -253,36 +253,36 @@ void pwm_lld_init(void) {
#if STM32_PWM_USE_TIM1
/* Driver initialization.*/
pwmObjectInit(&PWMD1);
- PWMD1.pd_enabled_channels = 0;
- PWMD1.pd_tim = TIM1;
+ PWMD1.enabled_channels = 0;
+ PWMD1.tim = TIM1;
#endif
#if STM32_PWM_USE_TIM2
/* Driver initialization.*/
pwmObjectInit(&PWMD2);
- PWMD2.pd_enabled_channels = 0;
- PWMD2.pd_tim = TIM2;
+ PWMD2.enabled_channels = 0;
+ PWMD2.tim = TIM2;
#endif
#if STM32_PWM_USE_TIM3
/* Driver initialization.*/
pwmObjectInit(&PWMD3);
- PWMD3.pd_enabled_channels = 0;
- PWMD3.pd_tim = TIM3;
+ PWMD3.enabled_channels = 0;
+ PWMD3.tim = TIM3;
#endif
#if STM32_PWM_USE_TIM4
/* Driver initialization.*/
pwmObjectInit(&PWMD4);
- PWMD4.pd_enabled_channels = 0;
- PWMD4.pd_tim = TIM4;
+ PWMD4.enabled_channels = 0;
+ PWMD4.tim = TIM4;
#endif
#if STM32_PWM_USE_TIM5
/* Driver initialization.*/
pwmObjectInit(&PWMD5);
- PWMD5.pd_enabled_channels = 0;
- PWMD5.pd_tim = TIM5;
+ PWMD5.enabled_channels = 0;
+ PWMD5.tim = TIM5;
#endif
}
@@ -297,9 +297,9 @@ void pwm_lld_start(PWMDriver *pwmp) {
uint16_t ccer;
/* Reset channels.*/
- pwmp->pd_enabled_channels = 0; /* All channels disabled. */
+ pwmp->enabled_channels = 0; /* All channels disabled. */
- if (pwmp->pd_state == PWM_STOP) {
+ if (pwmp->state == PWM_STOP) {
/* Clock activation and timer reset.*/
#if STM32_PWM_USE_TIM1
if (&PWMD1 == pwmp) {
@@ -352,11 +352,11 @@ void pwm_lld_start(PWMDriver *pwmp) {
/* All channels configured in PWM1 mode with preload enabled and will
stay that way until the driver is stopped.*/
- pwmp->pd_tim->CCMR1 = TIM_CCMR1_OC1M_1 | TIM_CCMR1_OC1M_2 |
+ pwmp->tim->CCMR1 = TIM_CCMR1_OC1M_1 | TIM_CCMR1_OC1M_2 |
TIM_CCMR1_OC1PE |
TIM_CCMR1_OC2M_1 | TIM_CCMR1_OC2M_2 |
TIM_CCMR1_OC2PE;
- pwmp->pd_tim->CCMR2 = TIM_CCMR2_OC3M_1 | TIM_CCMR2_OC3M_2 |
+ pwmp->tim->CCMR2 = TIM_CCMR2_OC3M_1 | TIM_CCMR2_OC3M_2 |
TIM_CCMR2_OC3PE |
TIM_CCMR2_OC4M_1 | TIM_CCMR2_OC4M_2 |
TIM_CCMR2_OC4PE;
@@ -364,23 +364,23 @@ void pwm_lld_start(PWMDriver *pwmp) {
else {
/* Driver re-configuration scenario, it must be stopped first.*/
/* Really required ?????????? */
- pwmp->pd_tim->CR1 = 0; /* Timer stopped. */
- pwmp->pd_tim->CR2 = 0; /* Timer stopped. */
- pwmp->pd_tim->SMCR = 0; /* Slave mode disabled. */
- pwmp->pd_tim->CCR1 = 0; /* Comparator 1 disabled. */
- pwmp->pd_tim->CCR2 = 0; /* Comparator 2 disabled. */
- pwmp->pd_tim->CCR3 = 0; /* Comparator 3 disabled. */
- pwmp->pd_tim->CCR4 = 0; /* Comparator 4 disabled. */
- pwmp->pd_tim->CNT = 0;
+ pwmp->tim->CR1 = 0; /* Timer stopped. */
+ pwmp->tim->CR2 = 0; /* Timer stopped. */
+ pwmp->tim->SMCR = 0; /* Slave mode disabled. */
+ pwmp->tim->CCR1 = 0; /* Comparator 1 disabled. */
+ pwmp->tim->CCR2 = 0; /* Comparator 2 disabled. */
+ pwmp->tim->CCR3 = 0; /* Comparator 3 disabled. */
+ pwmp->tim->CCR4 = 0; /* Comparator 4 disabled. */
+ pwmp->tim->CNT = 0;
}
/* Timer configuration.*/
- pwmp->pd_tim->CR2 = pwmp->pd_config->pc_cr2;
- pwmp->pd_tim->PSC = pwmp->pd_config->pc_psc;
- pwmp->pd_tim->ARR = pwmp->pd_config->pc_arr;
+ pwmp->tim->CR2 = pwmp->config->cr2;
+ pwmp->tim->PSC = pwmp->config->psc;
+ pwmp->tim->ARR = pwmp->config->arr;
/* Output enables and polarities setup.*/
ccer = 0;
- switch (pwmp->pd_config->pc_channels[0].pcc_mode) {
+ switch (pwmp->config->channels[0].mode) {
case PWM_OUTPUT_ACTIVE_LOW:
ccer |= TIM_CCER_CC1P;
case PWM_OUTPUT_ACTIVE_HIGH:
@@ -388,7 +388,7 @@ void pwm_lld_start(PWMDriver *pwmp) {
default:
;
}
- switch (pwmp->pd_config->pc_channels[1].pcc_mode) {
+ switch (pwmp->config->channels[1].mode) {
case PWM_OUTPUT_ACTIVE_LOW:
ccer |= TIM_CCER_CC2P;
case PWM_OUTPUT_ACTIVE_HIGH:
@@ -396,7 +396,7 @@ void pwm_lld_start(PWMDriver *pwmp) {
default:
;
}
- switch (pwmp->pd_config->pc_channels[2].pcc_mode) {
+ switch (pwmp->config->channels[2].mode) {
case PWM_OUTPUT_ACTIVE_LOW:
ccer |= TIM_CCER_CC3P;
case PWM_OUTPUT_ACTIVE_HIGH:
@@ -404,7 +404,7 @@ void pwm_lld_start(PWMDriver *pwmp) {
default:
;
}
- switch (pwmp->pd_config->pc_channels[3].pcc_mode) {
+ switch (pwmp->config->channels[3].mode) {
case PWM_OUTPUT_ACTIVE_LOW:
ccer |= TIM_CCER_CC4P;
case PWM_OUTPUT_ACTIVE_HIGH:
@@ -412,13 +412,13 @@ void pwm_lld_start(PWMDriver *pwmp) {
default:
;
}
- pwmp->pd_tim->CCER = ccer;
- pwmp->pd_tim->EGR = TIM_EGR_UG; /* Update event. */
- pwmp->pd_tim->SR = 0; /* Clear pending IRQs. */
- pwmp->pd_tim->DIER = pwmp->pd_config->pc_callback == NULL ? 0 : TIM_DIER_UIE;
- pwmp->pd_tim->BDTR = TIM_BDTR_MOE;
+ pwmp->tim->CCER = ccer;
+ pwmp->tim->EGR = TIM_EGR_UG; /* Update event. */
+ pwmp->tim->SR = 0; /* Clear pending IRQs. */
+ pwmp->tim->DIER = pwmp->config->callback == NULL ? 0 : TIM_DIER_UIE;
+ pwmp->tim->BDTR = TIM_BDTR_MOE;
/* Timer configured and started.*/
- pwmp->pd_tim->CR1 = TIM_CR1_ARPE | TIM_CR1_URS | TIM_CR1_CEN;
+ pwmp->tim->CR1 = TIM_CR1_ARPE | TIM_CR1_URS | TIM_CR1_CEN;
}
/**
@@ -431,19 +431,19 @@ void pwm_lld_start(PWMDriver *pwmp) {
void pwm_lld_stop(PWMDriver *pwmp) {
/* If in ready state then disables the PWM clock.*/
- if (pwmp->pd_state == PWM_READY) {
- pwmp->pd_enabled_channels = 0; /* All channels disabled. */
- pwmp->pd_tim->CR1 = 0;
- pwmp->pd_tim->CR2 = 0;
- pwmp->pd_tim->CCER = 0; /* Outputs disabled. */
- pwmp->pd_tim->CCR1 = 0; /* Comparator 1 disabled. */
- pwmp->pd_tim->CCR2 = 0; /* Comparator 2 disabled. */
- pwmp->pd_tim->CCR3 = 0; /* Comparator 3 disabled. */
- pwmp->pd_tim->CCR4 = 0; /* Comparator 4 disabled. */
- pwmp->pd_tim->BDTR = 0;
- pwmp->pd_tim->DIER = 0;
- pwmp->pd_tim->SR = 0;
- pwmp->pd_tim->EGR = TIM_EGR_UG; /* Update event. */
+ if (pwmp->state == PWM_READY) {
+ pwmp->enabled_channels = 0; /* All channels disabled. */
+ pwmp->tim->CR1 = 0;
+ pwmp->tim->CR2 = 0;
+ pwmp->tim->CCER = 0; /* Outputs disabled. */
+ pwmp->tim->CCR1 = 0; /* Comparator 1 disabled. */
+ pwmp->tim->CCR2 = 0; /* Comparator 2 disabled. */
+ pwmp->tim->CCR3 = 0; /* Comparator 3 disabled. */
+ pwmp->tim->CCR4 = 0; /* Comparator 4 disabled. */
+ pwmp->tim->BDTR = 0;
+ pwmp->tim->DIER = 0;
+ pwmp->tim->SR = 0;
+ pwmp->tim->EGR = TIM_EGR_UG; /* Update event. */
#if STM32_PWM_USE_TIM1
if (&PWMD1 == pwmp) {
@@ -492,15 +492,15 @@ void pwm_lld_enable_channel(PWMDriver *pwmp,
pwmchannel_t channel,
pwmcnt_t width) {
- *(&pwmp->pd_tim->CCR1 + (channel * 2)) = width; /* New duty cycle. */
- if ((pwmp->pd_enabled_channels & (1 << channel)) == 0) {
+ *(&pwmp->tim->CCR1 + (channel * 2)) = width; /* New duty cycle. */
+ if ((pwmp->enabled_channels & (1 << channel)) == 0) {
/* The channel is not enabled yet.*/
- pwmp->pd_enabled_channels |= (1 << channel);
+ pwmp->enabled_channels |= (1 << channel);
/* If there is a callback associated to the channel then the proper
interrupt is cleared and enabled.*/
- if (pwmp->pd_config->pc_channels[channel].pcc_callback) {
- pwmp->pd_tim->SR = ~(2 << channel);
- pwmp->pd_tim->DIER |= (2 << channel);
+ if (pwmp->config->channels[channel].callback) {
+ pwmp->tim->SR = ~(2 << channel);
+ pwmp->tim->DIER |= (2 << channel);
}
}
}
@@ -517,9 +517,9 @@ void pwm_lld_enable_channel(PWMDriver *pwmp,
*/
void pwm_lld_disable_channel(PWMDriver *pwmp, pwmchannel_t channel) {
- *(&pwmp->pd_tim->CCR1 + (channel * 2)) = 0;
- pwmp->pd_tim->DIER &= ~(2 << channel);
- pwmp->pd_enabled_channels &= ~(1 << channel);
+ *(&pwmp->tim->CCR1 + (channel * 2)) = 0;
+ pwmp->tim->DIER &= ~(2 << channel);
+ pwmp->enabled_channels &= ~(1 << channel);
}
#endif /* HAL_USE_PWM */