GD32F130通过I2C读取LIS3DH三轴数据再转成角度数据完整工程.zip

/*! \file gd32f1x0_timer.c \brief TIMER driver */ /* Copyright (C) 2017 GigaDevice 2014-12-26, V1.0.0, platform GD32F1x0(x=3,5) 2016-01-15, V2.0.0, platform GD32F1x0(x=3,5,7,9) 2016-04-30, V3.0.0, firmware update for GD32F1x0(x=3,5,7,9) 2017-06-19, V3.1.0, firmware update for GD32F1x0(x=3,5,7,9) */ #include "gd32f1x0_timer.h" /*! \brief deinit a timer \param[in] timer_periph: TIMERx(x=0,1,2,5,13,14,15,16) \param[out] none \retval none */ void timer_deinit(uint32_t timer_periph) { switch(timer_periph){ case TIMER0: /* reset TIMER0 */ rcu_periph_reset_enable(RCU_TIMER0RST); rcu_periph_reset_disable(RCU_TIMER0RST); break; case TIMER1: /* reset TIMER1 */ rcu_periph_reset_enable(RCU_TIMER1RST); rcu_periph_reset_disable(RCU_TIMER1RST); break; case TIMER2: /* reset TIMER2 */ rcu_periph_reset_enable(RCU_TIMER2RST); rcu_periph_reset_disable(RCU_TIMER2RST); break; case TIMER5: /* reset TIMER5 */ rcu_periph_reset_enable(RCU_TIMER5RST); rcu_periph_reset_disable(RCU_TIMER5RST); break; case TIMER13: /* reset TIMER13 */ rcu_periph_reset_enable(RCU_TIMER13RST); rcu_periph_reset_disable(RCU_TIMER13RST); break; case TIMER14: /* reset TIMER14 */ rcu_periph_reset_enable(RCU_TIMER14RST); rcu_periph_reset_disable(RCU_TIMER14RST); break; case TIMER15: /* reset TIMER15 */ rcu_periph_reset_enable(RCU_TIMER15RST); rcu_periph_reset_disable(RCU_TIMER15RST); break; case TIMER16: /* reset TIMER16 */ rcu_periph_reset_enable(RCU_TIMER16RST); rcu_periph_reset_disable(RCU_TIMER16RST); break; default: break; } } /*! \brief initialize TIMER counter \param[in] timer_periph: TIMERx(x=0,1,2,5,13,14,15,16) \param[in] initpara: init parameter struct prescaler: prescaler value of the counter clock,0~65535 alignedmode: TIMER_COUNTER_EDGE,TIMER_COUNTER_CENTER_DOWN,TIMER_COUNTER_CENTER_UP,TIMER_COUNTER_CENTER_BOTH counterdirection: TIMER_COUNTER_UP,TIMER_COUNTER_DOWN period: counter auto reload value clockdivision: TIMER_CKDIV_DIV1,TIMER_CKDIV_DIV2,TIMER_CKDIV_DIV4 repetitioncounter: counter repetition value,0~255 \param[out] none \retval none */ void timer_init(uint32_t timer_periph, timer_parameter_struct* initpara) { /* configure the counter prescaler value */ TIMER_PSC(timer_periph) = (uint16_t)initpara->prescaler; /* configure the counter direction and aligned mode */ if((TIMER0 == timer_periph) || (TIMER1 == timer_periph) || (TIMER2 == timer_periph)){ TIMER_CTL0(timer_periph) &= (uint32_t)(~ TIMER_CTL0_DIR|TIMER_CTL0_CAM); TIMER_CTL0(timer_periph) |= (uint32_t)initpara->alignedmode; TIMER_CTL0(timer_periph) |= (uint32_t)initpara->counterdirection; }else{ TIMER_CTL0(timer_periph) &= (uint32_t)(~ TIMER_CTL0_DIR); TIMER_CTL0(timer_periph) |= (uint32_t)initpara->counterdirection; } /* configure the autoreload value */ TIMER_CAR(timer_periph) = (uint32_t)initpara->period; if((TIMER5 != timer_periph)){ /* reset the CKDIV bit */ TIMER_CTL0(timer_periph) &= (uint32_t)(~ TIMER_CTL0_CKDIV); TIMER_CTL0(timer_periph) |= (uint32_t)initpara->clockdivision; } if((TIMER0 == timer_periph) || (TIMER14 == timer_periph) || (TIMER15 == timer_periph)|| (TIMER16 == timer_periph)){ /* configure the repetition counter value */ TIMER_CREP(timer_periph) = (uint32_t)initpara->repetitioncounter; } /* generate an update event */ TIMER_SWEVG(timer_periph) |= (uint32_t)TIMER_PSC_RELOAD_NOW; } /*! \brief enable a timer \param[in] timer_periph: TIMERx(x=0,1,2,5,13,14,15,16) \param[out] none \retval none */ void timer_enable(uint32_t timer_periph) { TIMER_CTL0(timer_periph) |= (uint32_t)TIMER_COUNTER_ENABLE; } /*! \brief disable a timer \param[in] timer_periph: TIMERx(x=0,1,2,5,13,14,15,16) \param[out] none \retval none */ void timer_disable(uint32_t timer_periph) { TIMER_CTL0(timer_periph) &= (uint32_t)TIMER_COUNTER_DISABLE; } /*! \brief enable the auto reload shadow function \param[in] timer_periph: TIMERx(x=0,1,2,5,13,14,15,16) \param[out] none \retval none */ void timer_auto_reload_shadow_enable(uint32_t timer_periph) { TIMER_CTL0(timer_periph) |= (uint32_t) TIMER_ARSE_ENABLE; } /*! \brief disable the auto reload shadow function \param[in] timer_periph: TIMERx(x=0,1,2,5,13,14,15,16) \param[out] none \retval none */ void timer_auto_reload_shadow_disable(uint32_t timer_periph) { TIMER_CTL0(timer_periph) &= (uint32_t) TIMER_ARSE_DISABLE; } /*! \brief enable the update event \param[in] timer_periph: TIMERx(x=0,1,2,5,13,14,15,16) \param[out] none \retval none */ void timer_update_event_enable(uint32_t timer_periph) { TIMER_CTL0(timer_periph) |= (uint32_t) TIMER_UPDIS_ENABLE; } /*! \brief disable the update event \param[in] timer_periph: TIMERx(x=0,1,2,5,13,14,15,16) \param[out] none \retval none */ void timer_update_event_disable(uint32_t timer_periph) { TIMER_CTL0(timer_periph) &= (uint32_t) TIMER_UPDIS_DISABLE; } /*! \brief set TIMER counter alignment mode \param[in] timer_periph: TIMERx(x=0,1,2) \param[in] aligned: \arg TIMER_COUNTER_EDGE: edge-aligned mode \arg TIMER_COUNTER_CENTER_DOWN: center-aligned and counting down assert mode \arg TIMER_COUNTER_CENTER_UP: center-aligned and counting up assert mode \arg TIMER_COUNTER_CENTER_BOTH: center-aligned and counting up/down assert mode \param[out] none \retval none */ void timer_counter_alignment(uint32_t timer_periph, uint16_t aligned) { TIMER_CTL0(timer_periph) &= (uint32_t)(~ TIMER_CTL0_CAM); TIMER_CTL0(timer_periph) |= (uint32_t)aligned; } /*! \brief set TIMER counter up direction \param[in] timer_periph: TIMERx(x=0,1,2,5,13,14,15,16) \param[out] none \retval none */ void timer_counter_up_direction(uint32_t timer_periph) { TIMER_CTL0(timer_periph) &= (uint32_t)(~ TIMER_CTL0_DIR); TIMER_CTL0(timer_periph) |= (uint32_t)TIMER_COUNTER_UP; } /*! \brief set TIMER counter down direction \param[in] timer_periph: TIMERx(x=0,1,2) \param[out] none \retval none */ void timer_counter_down_direction(uint32_t timer_periph) { TIMER_CTL0(timer_periph) &= (uint32_t)(~ TIMER_CTL0_DIR); TIMER_CTL0(timer_periph) |= (uint32_t)TIMER_COUNTER_DOWN; } /*! \brief configure TIMER prescaler \param[in] timer_periph: TIMERx(x=0,1,2,5,13,14,15,16) \param[in] prescaler: prescaler value \param[in] pscreload: prescaler reload mode \arg TIMER_PSC_RELOAD_NOW: the prescaler is loaded right now \arg TIMER_PSC_RELOAD_UPDATE: the prescaler is loaded at the next update event \param[out] none \retval none */ void timer_prescaler_config(uint32_t timer_periph, uint16_t prescaler, uint8_t pscreload) { TIMER_PSC(timer_periph) = (uint32_t)prescaler; if(TIMER_PSC_RELOAD_NOW == pscreload){ TIMER_SWEVG(timer_periph) |= (uint32_t)TIMER_SWEVG_UPG; } } /*! \brief configure TIMER repetition register value \param[in] timer_periph: TIMERx(x=0,14,15,16) \param[in] repetition: the counter repetition value