From 016c74af255e6989019f0a6c0a9d7e2e355f5735 Mon Sep 17 00:00:00 2001 From: Thomas Daede Date: Wed, 31 Oct 2012 15:34:10 -0500 Subject: F2 timers are the same as F4 timers, so make the same changes to them --- lib/stm32/f2/timer.c | 928 --------------------------------------------------- lib/stm32/timer.c | 5 +- 2 files changed, 3 insertions(+), 930 deletions(-) delete mode 100644 lib/stm32/f2/timer.c diff --git a/lib/stm32/f2/timer.c b/lib/stm32/f2/timer.c deleted file mode 100644 index 659f8a9..0000000 --- a/lib/stm32/f2/timer.c +++ /dev/null @@ -1,928 +0,0 @@ -/* - * This file is part of the libopencm3 project. - * - * Copyright (C) 2010 Edward Cheeseman - * Copyright (C) 2011 Stephen Caudle - * - * This library is free software: you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public License - * along with this library. If not, see . - */ - -/* - * Basic TIMER handling API. - * - * Examples: - * timer_set_mode(TIM1, TIM_CR1_CKD_CK_INT_MUL_2, - * TIM_CR1_CMS_CENTRE_3, TIM_CR1_DIR_UP); - */ - -#include -#include - -void timer_reset(u32 timer_peripheral) -{ - switch (timer_peripheral) { - case TIM1: - rcc_peripheral_reset(&RCC_APB2RSTR, RCC_APB2RSTR_TIM1RST); - rcc_peripheral_clear_reset(&RCC_APB2RSTR, RCC_APB2RSTR_TIM1RST); - break; - case TIM2: - rcc_peripheral_reset(&RCC_APB1RSTR, RCC_APB1RSTR_TIM2RST); - rcc_peripheral_clear_reset(&RCC_APB1RSTR, RCC_APB1RSTR_TIM2RST); - break; - case TIM3: - rcc_peripheral_reset(&RCC_APB1RSTR, RCC_APB1RSTR_TIM3RST); - rcc_peripheral_clear_reset(&RCC_APB1RSTR, RCC_APB1RSTR_TIM3RST); - break; - case TIM4: - rcc_peripheral_reset(&RCC_APB1RSTR, RCC_APB1RSTR_TIM4RST); - rcc_peripheral_clear_reset(&RCC_APB1RSTR, RCC_APB1RSTR_TIM4RST); - break; - case TIM5: - rcc_peripheral_reset(&RCC_APB1RSTR, RCC_APB1RSTR_TIM5RST); - rcc_peripheral_clear_reset(&RCC_APB1RSTR, RCC_APB1RSTR_TIM5RST); - break; - case TIM6: - rcc_peripheral_reset(&RCC_APB1RSTR, RCC_APB1RSTR_TIM6RST); - rcc_peripheral_clear_reset(&RCC_APB1RSTR, RCC_APB1RSTR_TIM6RST); - break; - case TIM7: - rcc_peripheral_reset(&RCC_APB1RSTR, RCC_APB1RSTR_TIM7RST); - rcc_peripheral_clear_reset(&RCC_APB1RSTR, RCC_APB1RSTR_TIM7RST); - break; - case TIM8: - rcc_peripheral_reset(&RCC_APB2RSTR, RCC_APB2RSTR_TIM8RST); - rcc_peripheral_clear_reset(&RCC_APB2RSTR, RCC_APB2RSTR_TIM8RST); - break; -/* These timers are not supported in libopencm3 yet */ -/* - case TIM9: - rcc_peripheral_reset(&RCC_APB2RSTR, RCC_APB2RSTR_TIM9RST); - rcc_peripheral_clear_reset(&RCC_APB2RSTR, RCC_APB2RSTR_TIM9RST); - break; - case TIM10: - rcc_peripheral_reset(&RCC_APB2RSTR, RCC_APB2RSTR_TIM10RST); - rcc_peripheral_clear_reset(&RCC_APB2RSTR, RCC_APB2RSTR_TIM10RST); - break; - case TIM11: - rcc_peripheral_reset(&RCC_APB2RSTR, RCC_APB2RSTR_TIM11RST); - rcc_peripheral_clear_reset(&RCC_APB2RSTR, RCC_APB2RSTR_TIM11RST); - break; - case TIM12: - rcc_peripheral_reset(&RCC_APB1RSTR, RCC_APB1RSTR_TIM12RST); - rcc_peripheral_clear_reset(&RCC_APB1RSTR, RCC_APB1RSTR_TIM12RST); - break; - case TIM13: - rcc_peripheral_reset(&RCC_APB1RSTR, RCC_APB1RSTR_TIM13RST); - rcc_peripheral_clear_reset(&RCC_APB1RSTR, RCC_APB1RSTR_TIM13RST); - break; - case TIM14: - rcc_peripheral_reset(&RCC_APB1RSTR, RCC_APB1RSTR_TIM14RST); - rcc_peripheral_clear_reset(&RCC_APB1RSTR, RCC_APB1RSTR_TIM14RST); - break; -*/ - } -} - -void timer_enable_irq(u32 timer_peripheral, u32 irq) -{ - TIM_DIER(timer_peripheral) |= irq; -} - -void timer_disable_irq(u32 timer_peripheral, u32 irq) -{ - TIM_DIER(timer_peripheral) &= ~irq; -} - -bool timer_get_flag(u32 timer_peripheral, u32 flag) -{ - if (((TIM_SR(timer_peripheral) & flag) != 0) && - ((TIM_DIER(timer_peripheral) & flag) != 0)) { - return true; - } - - return false; -} - -void timer_clear_flag(u32 timer_peripheral, u32 flag) -{ - TIM_SR(timer_peripheral) &= ~flag; -} - -void timer_set_mode(u32 timer_peripheral, u32 clock_div, - u32 alignment, u32 direction) -{ - u32 cr1; - - cr1 = TIM_CR1(timer_peripheral); - - cr1 &= ~(TIM_CR1_CKD_CK_INT_MASK | TIM_CR1_CMS_MASK | TIM_CR1_DIR_DOWN); - - cr1 |= clock_div | alignment | direction; - - TIM_CR1(timer_peripheral) = cr1; -} - -void timer_set_clock_division(u32 timer_peripheral, u32 clock_div) -{ - clock_div &= TIM_CR1_CKD_CK_INT_MASK; - TIM_CR1(timer_peripheral) &= ~TIM_CR1_CKD_CK_INT_MASK; - TIM_CR1(timer_peripheral) |= clock_div; -} - -void timer_enable_preload(u32 timer_peripheral) -{ - TIM_CR1(timer_peripheral) |= TIM_CR1_ARPE; -} - -void timer_disable_preload(u32 timer_peripheral) -{ - TIM_CR1(timer_peripheral) &= ~TIM_CR1_ARPE; -} - -void timer_set_alignment(u32 timer_peripheral, u32 alignment) -{ - alignment &= TIM_CR1_CMS_MASK; - TIM_CR1(timer_peripheral) &= ~TIM_CR1_CMS_MASK; - TIM_CR1(timer_peripheral) |= alignment; -} - -void timer_direction_up(u32 timer_peripheral) -{ - TIM_CR1(timer_peripheral) &= ~TIM_CR1_DIR_DOWN; -} - -void timer_direction_down(u32 timer_peripheral) -{ - TIM_CR1(timer_peripheral) |= TIM_CR1_DIR_DOWN; -} - -void timer_one_shot_mode(u32 timer_peripheral) -{ - TIM_CR1(timer_peripheral) |= TIM_CR1_OPM; -} - -void timer_continuous_mode(u32 timer_peripheral) -{ - TIM_CR1(timer_peripheral) &= ~TIM_CR1_OPM; -} - -void timer_update_on_any(u32 timer_peripheral) -{ - TIM_CR1(timer_peripheral) &= ~TIM_CR1_URS; -} - -void timer_update_on_overflow(u32 timer_peripheral) -{ - TIM_CR1(timer_peripheral) |= TIM_CR1_URS; -} - -void timer_enable_update_event(u32 timer_peripheral) -{ - TIM_CR1(timer_peripheral) &= ~TIM_CR1_UDIS; -} - -void timer_disable_update_event(u32 timer_peripheral) -{ - TIM_CR1(timer_peripheral) |= TIM_CR1_UDIS; -} - -void timer_enable_counter(u32 timer_peripheral) -{ - TIM_CR1(timer_peripheral) |= TIM_CR1_CEN; -} - -void timer_disable_counter(u32 timer_peripheral) -{ - TIM_CR1(timer_peripheral) &= ~TIM_CR1_CEN; -} - -void timer_set_output_idle_state(u32 timer_peripheral, u32 outputs) -{ - TIM_CR2(timer_peripheral) |= outputs & TIM_CR2_OIS_MASK; -} - -void timer_reset_output_idle_state(u32 timer_peripheral, u32 outputs) -{ - TIM_CR2(timer_peripheral) &= ~(outputs & TIM_CR2_OIS_MASK); -} - -void timer_set_ti1_ch123_xor(u32 timer_peripheral) -{ - TIM_CR2(timer_peripheral) |= TIM_CR2_TI1S; -} - -void timer_set_ti1_ch1(u32 timer_peripheral) -{ - TIM_CR2(timer_peripheral) &= ~TIM_CR2_TI1S; -} - -void timer_set_master_mode(u32 timer_peripheral, u32 mode) -{ - TIM_CR2(timer_peripheral) &= ~TIM_CR2_MMS_MASK; - TIM_CR2(timer_peripheral) |= mode; -} - -void timer_set_dma_on_compare_event(u32 timer_peripheral) -{ - TIM_CR2(timer_peripheral) &= ~TIM_CR2_CCDS; -} - -void timer_set_dma_on_update_event(u32 timer_peripheral) -{ - TIM_CR2(timer_peripheral) |= TIM_CR2_CCDS; -} - -void timer_enable_compare_control_update_on_trigger(u32 timer_peripheral) -{ - TIM_CR2(timer_peripheral) |= TIM_CR2_CCUS; -} - -void timer_disable_compare_control_update_on_trigger(u32 timer_peripheral) -{ - TIM_CR2(timer_peripheral) &= ~TIM_CR2_CCUS; -} - -void timer_enable_preload_complementry_enable_bits(u32 timer_peripheral) -{ - TIM_CR2(timer_peripheral) |= TIM_CR2_CCPC; -} - -void timer_disable_preload_complementry_enable_bits(u32 timer_peripheral) -{ - TIM_CR2(timer_peripheral) &= ~TIM_CR2_CCPC; -} - -void timer_set_prescaler(u32 timer_peripheral, u32 value) -{ - TIM_PSC(timer_peripheral) = value; -} - -void timer_set_repetition_counter(u32 timer_peripheral, u32 value) -{ - if ((timer_peripheral == TIM1) || (timer_peripheral == TIM8)) - TIM_RCR(timer_peripheral) = value; -} - -void timer_set_period(u32 timer_peripheral, u32 period) -{ - TIM_ARR(timer_peripheral) = period; -} - -void timer_enable_oc_clear(u32 timer_peripheral, enum tim_oc_id oc_id) -{ - switch (oc_id) { - case TIM_OC1: - TIM_CCMR1(timer_peripheral) |= TIM_CCMR1_OC1CE; - break; - case TIM_OC2: - TIM_CCMR1(timer_peripheral) |= TIM_CCMR1_OC2CE; - break; - case TIM_OC3: - TIM_CCMR2(timer_peripheral) |= TIM_CCMR2_OC3CE; - break; - case TIM_OC4: - TIM_CCMR2(timer_peripheral) |= TIM_CCMR2_OC4CE; - break; - case TIM_OC1N: - case TIM_OC2N: - case TIM_OC3N: - /* Ignoring as fast enable only applies to the whole channel. */ - break; - } -} - -void timer_disable_oc_clear(u32 timer_peripheral, enum tim_oc_id oc_id) -{ - switch (oc_id) { - case TIM_OC1: - TIM_CCMR1(timer_peripheral) &= ~TIM_CCMR1_OC1CE; - break; - case TIM_OC2: - TIM_CCMR1(timer_peripheral) &= ~TIM_CCMR1_OC2CE; - break; - case TIM_OC3: - TIM_CCMR2(timer_peripheral) &= ~TIM_CCMR2_OC3CE; - break; - case TIM_OC4: - TIM_CCMR2(timer_peripheral) &= ~TIM_CCMR2_OC4CE; - break; - case TIM_OC1N: - case TIM_OC2N: - case TIM_OC3N: - /* Ignoring as fast enable only applies to the whole channel. */ - break; - } -} - -void timer_set_oc_fast_mode(u32 timer_peripheral, enum tim_oc_id oc_id) -{ - switch (oc_id) { - case TIM_OC1: - TIM_CCMR1(timer_peripheral) |= TIM_CCMR1_OC1FE; - break; - case TIM_OC2: - TIM_CCMR1(timer_peripheral) |= TIM_CCMR1_OC2FE; - break; - case TIM_OC3: - TIM_CCMR2(timer_peripheral) |= TIM_CCMR2_OC3FE; - break; - case TIM_OC4: - TIM_CCMR2(timer_peripheral) |= TIM_CCMR2_OC4FE; - break; - case TIM_OC1N: - case TIM_OC2N: - case TIM_OC3N: - /* Ignoring as fast enable only applies to the whole channel. */ - break; - } -} - -void timer_set_oc_slow_mode(u32 timer_peripheral, enum tim_oc_id oc_id) -{ - switch (oc_id) { - case TIM_OC1: - TIM_CCMR1(timer_peripheral) &= ~TIM_CCMR1_OC1FE; - break; - case TIM_OC2: - TIM_CCMR1(timer_peripheral) &= ~TIM_CCMR1_OC2FE; - break; - case TIM_OC3: - TIM_CCMR2(timer_peripheral) &= ~TIM_CCMR2_OC3FE; - break; - case TIM_OC4: - TIM_CCMR2(timer_peripheral) &= ~TIM_CCMR2_OC4FE; - break; - case TIM_OC1N: - case TIM_OC2N: - case TIM_OC3N: - /* Ignoring as this option applies to the whole channel. */ - break; - } -} - -void timer_set_oc_mode(u32 timer_peripheral, enum tim_oc_id oc_id, - enum tim_oc_mode oc_mode) -{ - switch (oc_id) { - case TIM_OC1: - TIM_CCMR1(timer_peripheral) &= ~TIM_CCMR1_CC1S_MASK; - TIM_CCMR1(timer_peripheral) |= TIM_CCMR1_CC1S_OUT; - TIM_CCMR1(timer_peripheral) &= ~TIM_CCMR1_OC1M_MASK; - switch (oc_mode) { - case TIM_OCM_FROZEN: - TIM_CCMR1(timer_peripheral) |= TIM_CCMR1_OC1M_FROZEN; - break; - case TIM_OCM_ACTIVE: - TIM_CCMR1(timer_peripheral) |= TIM_CCMR1_OC1M_ACTIVE; - break; - case TIM_OCM_INACTIVE: - TIM_CCMR1(timer_peripheral) |= TIM_CCMR1_OC1M_INACTIVE; - break; - case TIM_OCM_TOGGLE: - TIM_CCMR1(timer_peripheral) |= TIM_CCMR1_OC1M_TOGGLE; - break; - case TIM_OCM_FORCE_LOW: - TIM_CCMR1(timer_peripheral) |= TIM_CCMR1_OC1M_FORCE_LOW; - break; - case TIM_OCM_FORCE_HIGH: - TIM_CCMR1(timer_peripheral) |= - TIM_CCMR1_OC1M_FORCE_HIGH; - break; - case TIM_OCM_PWM1: - TIM_CCMR1(timer_peripheral) |= TIM_CCMR1_OC1M_PWM1; - break; - case TIM_OCM_PWM2: - TIM_CCMR1(timer_peripheral) |= TIM_CCMR1_OC1M_PWM2; - break; - } - break; - case TIM_OC2: - TIM_CCMR1(timer_peripheral) &= ~TIM_CCMR1_CC2S_MASK; - TIM_CCMR1(timer_peripheral) |= TIM_CCMR1_CC2S_OUT; - TIM_CCMR1(timer_peripheral) &= ~TIM_CCMR1_OC2M_MASK; - switch (oc_mode) { - case TIM_OCM_FROZEN: - TIM_CCMR1(timer_peripheral) |= TIM_CCMR1_OC2M_FROZEN; - break; - case TIM_OCM_ACTIVE: - TIM_CCMR1(timer_peripheral) |= TIM_CCMR1_OC2M_ACTIVE; - break; - case TIM_OCM_INACTIVE: - TIM_CCMR1(timer_peripheral) |= TIM_CCMR1_OC2M_INACTIVE; - break; - case TIM_OCM_TOGGLE: - TIM_CCMR1(timer_peripheral) |= TIM_CCMR1_OC2M_TOGGLE; - break; - case TIM_OCM_FORCE_LOW: - TIM_CCMR1(timer_peripheral) |= TIM_CCMR1_OC2M_FORCE_LOW; - break; - case TIM_OCM_FORCE_HIGH: - TIM_CCMR1(timer_peripheral) |= - TIM_CCMR1_OC2M_FORCE_HIGH; - break; - case TIM_OCM_PWM1: - TIM_CCMR1(timer_peripheral) |= TIM_CCMR1_OC2M_PWM1; - break; - case TIM_OCM_PWM2: - TIM_CCMR1(timer_peripheral) |= TIM_CCMR1_OC2M_PWM2; - break; - } - break; - case TIM_OC3: - TIM_CCMR1(timer_peripheral) &= ~TIM_CCMR2_CC3S_MASK; - TIM_CCMR1(timer_peripheral) |= TIM_CCMR2_CC3S_OUT; - TIM_CCMR2(timer_peripheral) &= ~TIM_CCMR2_OC3M_MASK; - switch (oc_mode) { - case TIM_OCM_FROZEN: - TIM_CCMR2(timer_peripheral) |= TIM_CCMR2_OC3M_FROZEN; - break; - case TIM_OCM_ACTIVE: - TIM_CCMR1(timer_peripheral) |= TIM_CCMR2_OC3M_ACTIVE; - break; - case TIM_OCM_INACTIVE: - TIM_CCMR2(timer_peripheral) |= TIM_CCMR2_OC3M_INACTIVE; - break; - case TIM_OCM_TOGGLE: - TIM_CCMR2(timer_peripheral) |= TIM_CCMR2_OC3M_TOGGLE; - break; - case TIM_OCM_FORCE_LOW: - TIM_CCMR2(timer_peripheral) |= TIM_CCMR2_OC3M_FORCE_LOW; - break; - case TIM_OCM_FORCE_HIGH: - TIM_CCMR2(timer_peripheral) |= - TIM_CCMR2_OC3M_FORCE_HIGH; - break; - case TIM_OCM_PWM1: - TIM_CCMR2(timer_peripheral) |= TIM_CCMR2_OC3M_PWM1; - break; - case TIM_OCM_PWM2: - TIM_CCMR2(timer_peripheral) |= TIM_CCMR2_OC3M_PWM2; - break; - } - break; - case TIM_OC4: - TIM_CCMR1(timer_peripheral) &= ~TIM_CCMR2_CC4S_MASK; - TIM_CCMR1(timer_peripheral) |= TIM_CCMR2_CC4S_OUT; - TIM_CCMR2(timer_peripheral) &= ~TIM_CCMR2_OC4M_MASK; - switch (oc_mode) { - case TIM_OCM_FROZEN: - TIM_CCMR2(timer_peripheral) |= TIM_CCMR2_OC4M_FROZEN; - break; - case TIM_OCM_ACTIVE: - TIM_CCMR1(timer_peripheral) |= TIM_CCMR2_OC4M_ACTIVE; - break; - case TIM_OCM_INACTIVE: - TIM_CCMR2(timer_peripheral) |= TIM_CCMR2_OC4M_INACTIVE; - break; - case TIM_OCM_TOGGLE: - TIM_CCMR2(timer_peripheral) |= TIM_CCMR2_OC4M_TOGGLE; - break; - case TIM_OCM_FORCE_LOW: - TIM_CCMR2(timer_peripheral) |= TIM_CCMR2_OC4M_FORCE_LOW; - break; - case TIM_OCM_FORCE_HIGH: - TIM_CCMR2(timer_peripheral) |= - TIM_CCMR2_OC4M_FORCE_HIGH; - break; - case TIM_OCM_PWM1: - TIM_CCMR2(timer_peripheral) |= TIM_CCMR2_OC4M_PWM1; - break; - case TIM_OCM_PWM2: - TIM_CCMR2(timer_peripheral) |= TIM_CCMR2_OC4M_PWM2; - break; - } - break; - case TIM_OC1N: - case TIM_OC2N: - case TIM_OC3N: - /* Ignoring as this option applies to the whole channel. */ - break; - } -} - -void timer_enable_oc_preload(u32 timer_peripheral, enum tim_oc_id oc_id) -{ - switch (oc_id) { - case TIM_OC1: - TIM_CCMR1(timer_peripheral) |= TIM_CCMR1_OC1PE; - break; - case TIM_OC2: - TIM_CCMR1(timer_peripheral) |= TIM_CCMR1_OC2PE; - break; - case TIM_OC3: - TIM_CCMR2(timer_peripheral) |= TIM_CCMR2_OC3PE; - break; - case TIM_OC4: - TIM_CCMR2(timer_peripheral) |= TIM_CCMR2_OC4PE; - break; - case TIM_OC1N: - case TIM_OC2N: - case TIM_OC3N: - /* Ignoring as this option applies to the whole channel. */ - break; - } -} - -void timer_disable_oc_preload(u32 timer_peripheral, enum tim_oc_id oc_id) -{ - switch (oc_id) { - case TIM_OC1: - TIM_CCMR1(timer_peripheral) &= ~TIM_CCMR1_OC1PE; - break; - case TIM_OC2: - TIM_CCMR1(timer_peripheral) &= ~TIM_CCMR1_OC2PE; - break; - case TIM_OC3: - TIM_CCMR2(timer_peripheral) &= ~TIM_CCMR2_OC3PE; - break; - case TIM_OC4: - TIM_CCMR2(timer_peripheral) &= ~TIM_CCMR2_OC4PE; - break; - case TIM_OC1N: - case TIM_OC2N: - case TIM_OC3N: - /* Ignoring as this option applies to the whole channel. */ - break; - } -} - -void timer_set_oc_polarity_high(u32 timer_peripheral, enum tim_oc_id oc_id) -{ - switch (oc_id) { - case TIM_OC1: - TIM_CCER(timer_peripheral) &= ~TIM_CCER_CC1P; - break; - case TIM_OC2: - TIM_CCER(timer_peripheral) &= ~TIM_CCER_CC2P; - break; - case TIM_OC3: - TIM_CCER(timer_peripheral) &= ~TIM_CCER_CC3P; - break; - case TIM_OC4: - TIM_CCER(timer_peripheral) &= ~TIM_CCER_CC4P; - break; - case TIM_OC1N: - case TIM_OC2N: - case TIM_OC3N: - /* Ignoring as this option applies to TIM1 and TIM8 only. */ - break; - } - - /* Acting for TIM1 and TIM8 only from here onwards. */ - if ((timer_peripheral != TIM1) && (timer_peripheral != TIM8)) - return; - - switch (oc_id) { - case TIM_OC1N: - TIM_CCER(timer_peripheral) &= ~TIM_CCER_CC1NP; - break; - case TIM_OC2N: - TIM_CCER(timer_peripheral) &= ~TIM_CCER_CC2NP; - break; - case TIM_OC3N: - TIM_CCER(timer_peripheral) &= ~TIM_CCER_CC3NP; - break; - case TIM_OC1: - case TIM_OC2: - case TIM_OC3: - case TIM_OC4: - /* Ignoring as this option was already set above. */ - break; - } -} - -void timer_set_oc_polarity_low(u32 timer_peripheral, enum tim_oc_id oc_id) -{ - switch (oc_id) { - case TIM_OC1: - TIM_CCER(timer_peripheral) |= TIM_CCER_CC1P; - break; - case TIM_OC2: - TIM_CCER(timer_peripheral) |= TIM_CCER_CC2P; - break; - case TIM_OC3: - TIM_CCER(timer_peripheral) |= TIM_CCER_CC3P; - break; - case TIM_OC4: - TIM_CCER(timer_peripheral) |= TIM_CCER_CC4P; - break; - case TIM_OC1N: - case TIM_OC2N: - case TIM_OC3N: - /* Ignoring as this option applies to TIM1 and TIM8 only. */ - break; - } - - /* Acting for TIM1 and TIM8 only from here onwards. */ - if ((timer_peripheral != TIM1) && (timer_peripheral != TIM8)) - return; - - switch (oc_id) { - case TIM_OC1N: - TIM_CCER(timer_peripheral) |= TIM_CCER_CC1NP; - break; - case TIM_OC2N: - TIM_CCER(timer_peripheral) |= TIM_CCER_CC2NP; - break; - case TIM_OC3N: - TIM_CCER(timer_peripheral) |= TIM_CCER_CC3NP; - break; - case TIM_OC1: - case TIM_OC2: - case TIM_OC3: - case TIM_OC4: - /* Ignoring as this option was already set above. */ - break; - } -} - -void timer_enable_oc_output(u32 timer_peripheral, enum tim_oc_id oc_id) -{ - switch (oc_id) { - case TIM_OC1: - TIM_CCER(timer_peripheral) |= TIM_CCER_CC1E; - break; - case TIM_OC2: - TIM_CCER(timer_peripheral) |= TIM_CCER_CC2E; - break; - case TIM_OC3: - TIM_CCER(timer_peripheral) |= TIM_CCER_CC3E; - break; - case TIM_OC4: - TIM_CCER(timer_peripheral) |= TIM_CCER_CC4E; - break; - case TIM_OC1N: - case TIM_OC2N: - case TIM_OC3N: - /* Ignoring as this option applies to TIM1 and TIM8 only. */ - break; - } - - /* Acting for TIM1 and TIM8 only from here onwards. */ - if ((timer_peripheral != TIM1) && (timer_peripheral != TIM8)) - return; - - switch (oc_id) { - case TIM_OC1N: - TIM_CCER(timer_peripheral) |= TIM_CCER_CC1NE; - break; - case TIM_OC2N: - TIM_CCER(timer_peripheral) |= TIM_CCER_CC2NE; - break; - case TIM_OC3N: - TIM_CCER(timer_peripheral) |= TIM_CCER_CC3NE; - break; - case TIM_OC1: - case TIM_OC2: - case TIM_OC3: - case TIM_OC4: - /* Ignoring as this option was already set above. */ - break; - } -} - -void timer_disable_oc_output(u32 timer_peripheral, enum tim_oc_id oc_id) -{ - switch (oc_id) { - case TIM_OC1: - TIM_CCER(timer_peripheral) &= ~TIM_CCER_CC1E; - break; - case TIM_OC2: - TIM_CCER(timer_peripheral) &= ~TIM_CCER_CC2E; - break; - case TIM_OC3: - TIM_CCER(timer_peripheral) &= ~TIM_CCER_CC3E; - break; - case TIM_OC4: - TIM_CCER(timer_peripheral) &= ~TIM_CCER_CC4E; - break; - case TIM_OC1N: - case TIM_OC2N: - case TIM_OC3N: - /* Ignoring as this option applies to TIM1 and TIM8 only. */ - break; - } - - /* Acting for TIM1 and TIM8 only from here onwards. */ - if ((timer_peripheral != TIM1) && (timer_peripheral != TIM8)) - return; - - switch (oc_id) { - case TIM_OC1N: - TIM_CCER(timer_peripheral) &= ~TIM_CCER_CC1NE; - break; - case TIM_OC2N: - TIM_CCER(timer_peripheral) &= ~TIM_CCER_CC2NE; - break; - case TIM_OC3N: - TIM_CCER(timer_peripheral) &= ~TIM_CCER_CC3NE; - break; - case TIM_OC1: - case TIM_OC2: - case TIM_OC3: - case TIM_OC4: - /* Ignoring as this option was already set above. */ - break; - } -} - -void timer_set_oc_idle_state_set(u32 timer_peripheral, enum tim_oc_id oc_id) -{ - /* Acting for TIM1 and TIM8 only. */ - if ((timer_peripheral != TIM1) && (timer_peripheral != TIM8)) - return; - - switch (oc_id) { - case TIM_OC1: - TIM_CR2(timer_peripheral) |= TIM_CR2_OIS1; - break; - case TIM_OC1N: - TIM_CR2(timer_peripheral) |= TIM_CR2_OIS1N; - break; - case TIM_OC2: - TIM_CR2(timer_peripheral) |= TIM_CR2_OIS2; - break; - case TIM_OC2N: - TIM_CR2(timer_peripheral) |= TIM_CR2_OIS2N; - break; - case TIM_OC3: - TIM_CR2(timer_peripheral) |= TIM_CR2_OIS3; - break; - case TIM_OC3N: - TIM_CR2(timer_peripheral) |= TIM_CR2_OIS3N; - break; - case TIM_OC4: - TIM_CR2(timer_peripheral) |= TIM_CR2_OIS4; - break; - } -} - -void timer_set_oc_idle_state_unset(u32 timer_peripheral, enum tim_oc_id oc_id) -{ - /* Acting for TIM1 and TIM8 only. */ - if ((timer_peripheral != TIM1) && (timer_peripheral != TIM8)) - return; - - switch (oc_id) { - case TIM_OC1: - TIM_CR2(timer_peripheral) &= ~TIM_CR2_OIS1; - break; - case TIM_OC1N: - TIM_CR2(timer_peripheral) &= ~TIM_CR2_OIS1N; - break; - case TIM_OC2: - TIM_CR2(timer_peripheral) &= ~TIM_CR2_OIS2; - break; - case TIM_OC2N: - TIM_CR2(timer_peripheral) &= ~TIM_CR2_OIS2N; - break; - case TIM_OC3: - TIM_CR2(timer_peripheral) &= ~TIM_CR2_OIS3; - break; - case TIM_OC3N: - TIM_CR2(timer_peripheral) &= ~TIM_CR2_OIS3N; - break; - case TIM_OC4: - TIM_CR2(timer_peripheral) &= ~TIM_CR2_OIS4; - break; - } -} - -void timer_set_oc_value(u32 timer_peripheral, enum tim_oc_id oc_id, u32 value) -{ - switch (oc_id) { - case TIM_OC1: - TIM_CCR1(timer_peripheral) = value; - break; - case TIM_OC2: - TIM_CCR2(timer_peripheral) = value; - break; - case TIM_OC3: - TIM_CCR3(timer_peripheral) = value; - break; - case TIM_OC4: - TIM_CCR4(timer_peripheral) = value; - break; - case TIM_OC1N: - case TIM_OC2N: - case TIM_OC3N: - /* Ignoring as this option applies to the whole channel. */ - break; - } -} - -void timer_enable_break_main_output(u32 timer_peripheral) -{ - if ((timer_peripheral == TIM1) || (timer_peripheral == TIM8)) - TIM_BDTR(timer_peripheral) |= TIM_BDTR_MOE; -} - -void timer_disable_break_main_output(u32 timer_peripheral) -{ - if ((timer_peripheral == TIM1) || (timer_peripheral == TIM8)) - TIM_BDTR(timer_peripheral) &= ~TIM_BDTR_MOE; -} - -void timer_enable_break_automatic_output(u32 timer_peripheral) -{ - if ((timer_peripheral == TIM1) || (timer_peripheral == TIM8)) - TIM_BDTR(timer_peripheral) |= TIM_BDTR_AOE; -} - -void timer_disable_break_automatic_output(u32 timer_peripheral) -{ - if ((timer_peripheral == TIM1) || (timer_peripheral == TIM8)) - TIM_BDTR(timer_peripheral) &= ~TIM_BDTR_AOE; -} - -void timer_set_break_polarity_high(u32 timer_peripheral) -{ - if ((timer_peripheral == TIM1) || (timer_peripheral == TIM8)) - TIM_BDTR(timer_peripheral) |= TIM_BDTR_BKP; -} - -void timer_set_break_polarity_low(u32 timer_peripheral) -{ - if ((timer_peripheral == TIM1) || (timer_peripheral == TIM8)) - TIM_BDTR(timer_peripheral) &= ~TIM_BDTR_BKP; -} - -void timer_enable_break(u32 timer_peripheral) -{ - if ((timer_peripheral == TIM1) || (timer_peripheral == TIM8)) - TIM_BDTR(timer_peripheral) |= TIM_BDTR_BKE; -} - -void timer_disable_break(u32 timer_peripheral) -{ - if ((timer_peripheral == TIM1) || (timer_peripheral == TIM8)) - TIM_BDTR(timer_peripheral) &= ~TIM_BDTR_BKE; -} - -void timer_set_enabled_off_state_in_run_mode(u32 timer_peripheral) -{ - if ((timer_peripheral == TIM1) || (timer_peripheral == TIM8)) - TIM_BDTR(timer_peripheral) |= TIM_BDTR_OSSR; -} - -void timer_set_disabled_off_state_in_run_mode(u32 timer_peripheral) -{ - if ((timer_peripheral == TIM1) || (timer_peripheral == TIM8)) - TIM_BDTR(timer_peripheral) &= ~TIM_BDTR_OSSR; -} - -void timer_set_enabled_off_state_in_idle_mode(u32 timer_peripheral) -{ - if ((timer_peripheral == TIM1) || (timer_peripheral == TIM8)) - TIM_BDTR(timer_peripheral) |= TIM_BDTR_OSSI; -} - -void timer_set_disabled_off_state_in_idle_mode(u32 timer_peripheral) -{ - if ((timer_peripheral == TIM1) || (timer_peripheral == TIM8)) - TIM_BDTR(timer_peripheral) &= ~TIM_BDTR_OSSI; -} - -void timer_set_break_lock(u32 timer_peripheral, u32 lock) -{ - if ((timer_peripheral == TIM1) || (timer_peripheral == TIM8)) - TIM_BDTR(timer_peripheral) |= lock; -} - -void timer_set_deadtime(u32 timer_peripheral, u32 deadtime) -{ - if ((timer_peripheral == TIM1) || (timer_peripheral == TIM8)) - TIM_BDTR(timer_peripheral) |= deadtime; -} - -void timer_generate_event(u32 timer_peripheral, u32 event) -{ - TIM_EGR(timer_peripheral) |= event; -} - -u32 timer_get_counter(u32 timer_peripheral) -{ - return TIM_CNT(timer_peripheral); -} - -void timer_set_option(u32 timer_peripheral, u32 option) -{ - if (timer_peripheral == TIM2) { - TIM_OR(timer_peripheral) &= ~TIM2_OR_ITR1_RMP_MASK; - TIM_OR(timer_peripheral) |= option; - } else if (timer_peripheral == TIM5) { - TIM_OR(timer_peripheral) &= ~TIM5_OR_TI4_RMP_MASK; - TIM_OR(timer_peripheral) |= option; - } -} diff --git a/lib/stm32/timer.c b/lib/stm32/timer.c index e6c51cf..a5cf99d 100644 --- a/lib/stm32/timer.c +++ b/lib/stm32/timer.c @@ -101,6 +101,7 @@ push-pull outputs where the PWM output will appear. #if defined(STM32F1) # include #elif defined(STM32F2) +# include # include #elif defined(STM32F4) # include @@ -1711,13 +1712,13 @@ u32 timer_get_counter(u32 timer_peripheral) /** @brief Set Timer Option Set timer options register on TIM2 or TIM5, used for oscillator calibration -on TIM5 and trigger remapping on TIM2. Only available on F4. +on TIM5 and trigger remapping on TIM2. Only available on F4 and F2. @param[in] timer_peripheral Unsigned int32. Timer register address base @returns Unsigned int32. Option flags. */ -#if (defined(STM32F4)) +#if (defined(STM32F4) || defined(STM32F2)) void timer_set_option(u32 timer_peripheral, u32 option) { if (timer_peripheral == TIM2) { -- cgit v1.2.3