678 lines
19 KiB
C
678 lines
19 KiB
C
/*!
|
|
\file gd32f4xx_dac.c
|
|
\brief DAC driver
|
|
|
|
\version 2016-08-15, V1.0.0, firmware for GD32F4xx
|
|
\version 2018-12-12, V2.0.0, firmware for GD32F4xx
|
|
\version 2020-09-30, V2.1.0, firmware for GD32F4xx
|
|
*/
|
|
|
|
/*
|
|
Copyright (c) 2020, GigaDevice Semiconductor Inc.
|
|
|
|
Redistribution and use in source and binary forms, with or without modification,
|
|
are permitted provided that the following conditions are met:
|
|
|
|
1. Redistributions of source code must retain the above copyright notice, this
|
|
list of conditions and the following disclaimer.
|
|
2. Redistributions in binary form must reproduce the above copyright notice,
|
|
this list of conditions and the following disclaimer in the documentation
|
|
and/or other materials provided with the distribution.
|
|
3. Neither the name of the copyright holder nor the names of its contributors
|
|
may be used to endorse or promote products derived from this software without
|
|
specific prior written permission.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
|
|
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
|
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
|
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
|
|
OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include "gd32f4xx_dac.h"
|
|
|
|
/* DAC register bit offset */
|
|
#define DAC1_REG_OFFSET ((uint32_t)16U)
|
|
#define DH_12BIT_OFFSET ((uint32_t)16U)
|
|
#define DH_8BIT_OFFSET ((uint32_t)8U)
|
|
|
|
/*!
|
|
\brief deinitialize DAC
|
|
\param[in] none
|
|
\param[out] none
|
|
\retval none
|
|
*/
|
|
void dac_deinit(void)
|
|
{
|
|
rcu_periph_reset_enable(RCU_DACRST);
|
|
rcu_periph_reset_disable(RCU_DACRST);
|
|
}
|
|
|
|
/*!
|
|
\brief enable DAC
|
|
\param[in] dac_periph: DACx(x = 0,1)
|
|
\param[out] none
|
|
\retval none
|
|
*/
|
|
void dac_enable(uint32_t dac_periph)
|
|
{
|
|
if(DAC0 == dac_periph){
|
|
DAC_CTL |= DAC_CTL_DEN0;
|
|
}else{
|
|
DAC_CTL |= DAC_CTL_DEN1;
|
|
}
|
|
}
|
|
|
|
/*!
|
|
\brief disable DAC
|
|
\param[in] dac_periph: DACx(x = 0,1)
|
|
\param[out] none
|
|
\retval none
|
|
*/
|
|
void dac_disable(uint32_t dac_periph)
|
|
{
|
|
if(DAC0 == dac_periph){
|
|
DAC_CTL &= ~DAC_CTL_DEN0;
|
|
}else{
|
|
DAC_CTL &= ~DAC_CTL_DEN1;
|
|
}
|
|
}
|
|
|
|
/*!
|
|
\brief enable DAC DMA function
|
|
\param[in] dac_periph: DACx(x = 0,1)
|
|
\param[out] none
|
|
\retval none
|
|
*/
|
|
void dac_dma_enable(uint32_t dac_periph)
|
|
{
|
|
if(DAC0 == dac_periph){
|
|
DAC_CTL |= DAC_CTL_DDMAEN0;
|
|
}else{
|
|
DAC_CTL |= DAC_CTL_DDMAEN1;
|
|
}
|
|
}
|
|
|
|
/*!
|
|
\brief disable DAC DMA function
|
|
\param[in] dac_periph: DACx(x = 0,1)
|
|
\param[out] none
|
|
\retval none
|
|
*/
|
|
void dac_dma_disable(uint32_t dac_periph)
|
|
{
|
|
if(DAC0 == dac_periph){
|
|
DAC_CTL &= ~DAC_CTL_DDMAEN0;
|
|
}else{
|
|
DAC_CTL &= ~DAC_CTL_DDMAEN1;
|
|
}
|
|
}
|
|
|
|
/*!
|
|
\brief enable DAC output buffer
|
|
\param[in] dac_periph: DACx(x = 0,1)
|
|
\param[out] none
|
|
\retval none
|
|
*/
|
|
void dac_output_buffer_enable(uint32_t dac_periph)
|
|
{
|
|
if(DAC0 == dac_periph){
|
|
DAC_CTL &= ~DAC_CTL_DBOFF0;
|
|
}else{
|
|
DAC_CTL &= ~DAC_CTL_DBOFF1;
|
|
}
|
|
}
|
|
|
|
/*!
|
|
\brief disable DAC output buffer
|
|
\param[in] dac_periph: DACx(x = 0,1)
|
|
\param[out] none
|
|
\retval none
|
|
*/
|
|
void dac_output_buffer_disable(uint32_t dac_periph)
|
|
{
|
|
if(DAC0 == dac_periph){
|
|
DAC_CTL |= DAC_CTL_DBOFF0;
|
|
}else{
|
|
DAC_CTL |= DAC_CTL_DBOFF1;
|
|
}
|
|
}
|
|
|
|
/*!
|
|
\brief get DAC output value
|
|
\param[in] dac_periph: DACx(x = 0,1)
|
|
\param[out] none
|
|
\retval DAC output data
|
|
*/
|
|
uint16_t dac_output_value_get(uint32_t dac_periph)
|
|
{
|
|
uint16_t data = 0U;
|
|
if(DAC0 == dac_periph){
|
|
/* store the DAC0 output value */
|
|
data = (uint16_t)DAC0_DO;
|
|
}else{
|
|
/* store the DAC1 output value */
|
|
data = (uint16_t)DAC1_DO;
|
|
}
|
|
return data;
|
|
}
|
|
|
|
/*!
|
|
\brief set the DAC specified data holding register value
|
|
\param[in] dac_periph: DACx(x = 0,1)
|
|
\param[in] dac_align: data alignment
|
|
only one parameter can be selected which is shown as below:
|
|
\arg DAC_ALIGN_8B_R: data right 8 bit alignment
|
|
\arg DAC_ALIGN_12B_R: data right 12 bit alignment
|
|
\arg DAC_ALIGN_12B_L: data left 12 bit alignment
|
|
\param[in] data: data to be loaded
|
|
\param[out] none
|
|
\retval none
|
|
*/
|
|
void dac_data_set(uint32_t dac_periph, uint32_t dac_align, uint16_t data)
|
|
{
|
|
if(DAC0 == dac_periph){
|
|
switch(dac_align){
|
|
/* data right 12 bit alignment */
|
|
case DAC_ALIGN_12B_R:
|
|
DAC0_R12DH = data;
|
|
break;
|
|
/* data left 12 bit alignment */
|
|
case DAC_ALIGN_12B_L:
|
|
DAC0_L12DH = data;
|
|
break;
|
|
/* data right 8 bit alignment */
|
|
case DAC_ALIGN_8B_R:
|
|
DAC0_R8DH = data;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}else{
|
|
switch(dac_align){
|
|
/* data right 12 bit alignment */
|
|
case DAC_ALIGN_12B_R:
|
|
DAC1_R12DH = data;
|
|
break;
|
|
/* data left 12 bit alignment */
|
|
case DAC_ALIGN_12B_L:
|
|
DAC1_L12DH = data;
|
|
break;
|
|
/* data right 8 bit alignment */
|
|
case DAC_ALIGN_8B_R:
|
|
DAC1_R8DH = data;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*!
|
|
\brief enable DAC trigger
|
|
\param[in] dac_periph: DACx(x = 0,1)
|
|
\param[out] none
|
|
\retval none
|
|
*/
|
|
void dac_trigger_enable(uint32_t dac_periph)
|
|
{
|
|
if(DAC0 == dac_periph){
|
|
DAC_CTL |= DAC_CTL_DTEN0;
|
|
}else{
|
|
DAC_CTL |= DAC_CTL_DTEN1;
|
|
}
|
|
}
|
|
|
|
/*!
|
|
\brief disable DAC trigger
|
|
\param[in] dac_periph: DACx(x = 0,1)
|
|
\param[out] none
|
|
\retval none
|
|
*/
|
|
void dac_trigger_disable(uint32_t dac_periph)
|
|
{
|
|
if(DAC0 == dac_periph){
|
|
DAC_CTL &= ~DAC_CTL_DTEN0;
|
|
}else{
|
|
DAC_CTL &= ~DAC_CTL_DTEN1;
|
|
}
|
|
}
|
|
|
|
/*!
|
|
\brief set DAC trigger source
|
|
\param[in] dac_periph: DACx(x = 0,1)
|
|
\param[in] triggersource: external triggers of DAC
|
|
only one parameter can be selected which is shown as below:
|
|
\arg DAC_TRIGGER_T1_TRGO: TIMER1 TRGO
|
|
\arg DAC_TRIGGER_T3_TRGO: TIMER3 TRGO
|
|
\arg DAC_TRIGGER_T4_TRGO: TIMER4 TRGO
|
|
\arg DAC_TRIGGER_T5_TRGO: TIMER5 TRGO
|
|
\arg DAC_TRIGGER_T6_TRGO: TIMER6 TRGO
|
|
\arg DAC_TRIGGER_T7_TRGO: TIMER7 TRGO
|
|
\arg DAC_TRIGGER_EXTI_9: EXTI interrupt line9 event
|
|
\arg DAC_TRIGGER_SOFTWARE: software trigger
|
|
\param[out] none
|
|
\retval none
|
|
*/
|
|
void dac_trigger_source_config(uint32_t dac_periph,uint32_t triggersource)
|
|
{
|
|
if(DAC0 == dac_periph){
|
|
/* configure DAC0 trigger source */
|
|
DAC_CTL &= ~DAC_CTL_DTSEL0;
|
|
DAC_CTL |= triggersource;
|
|
}else{
|
|
/* configure DAC1 trigger source */
|
|
DAC_CTL &= ~DAC_CTL_DTSEL1;
|
|
DAC_CTL |= (triggersource << DAC1_REG_OFFSET);
|
|
}
|
|
}
|
|
|
|
/*!
|
|
\brief enable DAC software trigger
|
|
\param[in] dac_periph: DACx(x = 0,1)
|
|
\retval none
|
|
*/
|
|
void dac_software_trigger_enable(uint32_t dac_periph)
|
|
{
|
|
if(DAC0 == dac_periph){
|
|
DAC_SWT |= DAC_SWT_SWTR0;
|
|
}else{
|
|
DAC_SWT |= DAC_SWT_SWTR1;
|
|
}
|
|
}
|
|
|
|
/*!
|
|
\brief disable DAC software trigger
|
|
\param[in] dac_periph: DACx(x = 0,1)
|
|
\param[out] none
|
|
\retval none
|
|
*/
|
|
void dac_software_trigger_disable(uint32_t dac_periph)
|
|
{
|
|
if(DAC0 == dac_periph){
|
|
DAC_SWT &= ~DAC_SWT_SWTR0;
|
|
}else{
|
|
DAC_SWT &= ~DAC_SWT_SWTR1;
|
|
}
|
|
}
|
|
|
|
/*!
|
|
\brief configure DAC wave mode
|
|
\param[in] dac_periph: DACx(x = 0,1)
|
|
\param[in] wave_mode: noise wave mode
|
|
only one parameter can be selected which is shown as below:
|
|
\arg DAC_WAVE_DISABLE: wave disable
|
|
\arg DAC_WAVE_MODE_LFSR: LFSR noise mode
|
|
\arg DAC_WAVE_MODE_TRIANGLE: triangle noise mode
|
|
\param[out] none
|
|
\retval none
|
|
*/
|
|
void dac_wave_mode_config(uint32_t dac_periph, uint32_t wave_mode)
|
|
{
|
|
if(DAC0 == dac_periph){
|
|
/* configure DAC0 wave mode */
|
|
DAC_CTL &= ~DAC_CTL_DWM0;
|
|
DAC_CTL |= wave_mode;
|
|
}else{
|
|
/* configure DAC1 wave mode */
|
|
DAC_CTL &= ~DAC_CTL_DWM1;
|
|
DAC_CTL |= (wave_mode << DAC1_REG_OFFSET);
|
|
}
|
|
}
|
|
|
|
/*!
|
|
\brief configure DAC wave bit width
|
|
\param[in] dac_periph: DACx(x = 0,1)
|
|
\param[in] bit_width: noise wave bit width
|
|
only one parameter can be selected which is shown as below:
|
|
\arg DAC_WAVE_BIT_WIDTH_1: bit width of the wave signal is 1
|
|
\arg DAC_WAVE_BIT_WIDTH_2: bit width of the wave signal is 2
|
|
\arg DAC_WAVE_BIT_WIDTH_3: bit width of the wave signal is 3
|
|
\arg DAC_WAVE_BIT_WIDTH_4: bit width of the wave signal is 4
|
|
\arg DAC_WAVE_BIT_WIDTH_5: bit width of the wave signal is 5
|
|
\arg DAC_WAVE_BIT_WIDTH_6: bit width of the wave signal is 6
|
|
\arg DAC_WAVE_BIT_WIDTH_7: bit width of the wave signal is 7
|
|
\arg DAC_WAVE_BIT_WIDTH_8: bit width of the wave signal is 8
|
|
\arg DAC_WAVE_BIT_WIDTH_9: bit width of the wave signal is 9
|
|
\arg DAC_WAVE_BIT_WIDTH_10: bit width of the wave signal is 10
|
|
\arg DAC_WAVE_BIT_WIDTH_11: bit width of the wave signal is 11
|
|
\arg DAC_WAVE_BIT_WIDTH_12: bit width of the wave signal is 12
|
|
\param[out] none
|
|
\retval none
|
|
*/
|
|
void dac_wave_bit_width_config(uint32_t dac_periph, uint32_t bit_width)
|
|
{
|
|
if(DAC0 == dac_periph){
|
|
/* configure DAC0 wave bit width */
|
|
DAC_CTL &= ~DAC_CTL_DWBW0;
|
|
DAC_CTL |= bit_width;
|
|
}else{
|
|
/* configure DAC1 wave bit width */
|
|
DAC_CTL &= ~DAC_CTL_DWBW1;
|
|
DAC_CTL |= (bit_width << DAC1_REG_OFFSET);
|
|
}
|
|
}
|
|
|
|
/*!
|
|
\brief configure DAC LFSR noise mode
|
|
\param[in] dac_periph: DACx(x = 0,1)
|
|
\param[in] unmask_bits: unmask LFSR bits in DAC LFSR noise mode
|
|
only one parameter can be selected which is shown as below:
|
|
\arg DAC_LFSR_BIT0: unmask the LFSR bit0
|
|
\arg DAC_LFSR_BITS1_0: unmask the LFSR bits[1:0]
|
|
\arg DAC_LFSR_BITS2_0: unmask the LFSR bits[2:0]
|
|
\arg DAC_LFSR_BITS3_0: unmask the LFSR bits[3:0]
|
|
\arg DAC_LFSR_BITS4_0: unmask the LFSR bits[4:0]
|
|
\arg DAC_LFSR_BITS5_0: unmask the LFSR bits[5:0]
|
|
\arg DAC_LFSR_BITS6_0: unmask the LFSR bits[6:0]
|
|
\arg DAC_LFSR_BITS7_0: unmask the LFSR bits[7:0]
|
|
\arg DAC_LFSR_BITS8_0: unmask the LFSR bits[8:0]
|
|
\arg DAC_LFSR_BITS9_0: unmask the LFSR bits[9:0]
|
|
\arg DAC_LFSR_BITS10_0: unmask the LFSR bits[10:0]
|
|
\arg DAC_LFSR_BITS11_0: unmask the LFSR bits[11:0]
|
|
\param[out] none
|
|
\retval none
|
|
*/
|
|
void dac_lfsr_noise_config(uint32_t dac_periph, uint32_t unmask_bits)
|
|
{
|
|
if(DAC0 == dac_periph){
|
|
/* configure DAC0 LFSR noise mode */
|
|
DAC_CTL &= ~DAC_CTL_DWBW0;
|
|
DAC_CTL |= unmask_bits;
|
|
}else{
|
|
/* configure DAC1 LFSR noise mode */
|
|
DAC_CTL &= ~DAC_CTL_DWBW1;
|
|
DAC_CTL |= (unmask_bits << DAC1_REG_OFFSET);
|
|
}
|
|
}
|
|
|
|
/*!
|
|
\brief configure DAC triangle noise mode
|
|
\param[in] dac_periph: DACx(x = 0,1)
|
|
\param[in] amplitude: triangle amplitude in DAC triangle noise mode
|
|
only one parameter can be selected which is shown as below:
|
|
\arg DAC_TRIANGLE_AMPLITUDE_1: triangle amplitude is 1
|
|
\arg DAC_TRIANGLE_AMPLITUDE_3: triangle amplitude is 3
|
|
\arg DAC_TRIANGLE_AMPLITUDE_7: triangle amplitude is 7
|
|
\arg DAC_TRIANGLE_AMPLITUDE_15: triangle amplitude is 15
|
|
\arg DAC_TRIANGLE_AMPLITUDE_31: triangle amplitude is 31
|
|
\arg DAC_TRIANGLE_AMPLITUDE_63: triangle amplitude is 63
|
|
\arg DAC_TRIANGLE_AMPLITUDE_127: triangle amplitude is 127
|
|
\arg DAC_TRIANGLE_AMPLITUDE_255: triangle amplitude is 255
|
|
\arg DAC_TRIANGLE_AMPLITUDE_511: triangle amplitude is 511
|
|
\arg DAC_TRIANGLE_AMPLITUDE_1023: triangle amplitude is 1023
|
|
\arg DAC_TRIANGLE_AMPLITUDE_2047: triangle amplitude is 2047
|
|
\arg DAC_TRIANGLE_AMPLITUDE_4095: triangle amplitude is 4095
|
|
\param[out] none
|
|
\retval none
|
|
*/
|
|
void dac_triangle_noise_config(uint32_t dac_periph, uint32_t amplitude)
|
|
{
|
|
if(DAC0 == dac_periph){
|
|
/* configure DAC0 triangle noise mode */
|
|
DAC_CTL &= ~DAC_CTL_DWBW0;
|
|
DAC_CTL |= amplitude;
|
|
}else{
|
|
/* configure DAC1 triangle noise mode */
|
|
DAC_CTL &= ~DAC_CTL_DWBW1;
|
|
DAC_CTL |= (amplitude << DAC1_REG_OFFSET);
|
|
}
|
|
}
|
|
|
|
/*!
|
|
\brief enable DAC concurrent mode
|
|
\param[in] none
|
|
\param[out] none
|
|
\retval none
|
|
*/
|
|
void dac_concurrent_enable(void)
|
|
{
|
|
uint32_t ctl = 0U;
|
|
ctl = DAC_CTL_DEN0 | DAC_CTL_DEN1;
|
|
DAC_CTL |= (ctl);
|
|
}
|
|
|
|
/*!
|
|
\brief disable DAC concurrent mode
|
|
\param[in] none
|
|
\param[out] none
|
|
\retval none
|
|
*/
|
|
void dac_concurrent_disable(void)
|
|
{
|
|
uint32_t ctl = 0U;
|
|
ctl = DAC_CTL_DEN0 | DAC_CTL_DEN1;
|
|
DAC_CTL &= (~ctl);
|
|
}
|
|
|
|
/*!
|
|
\brief enable DAC concurrent software trigger function
|
|
\param[in] none
|
|
\param[out] none
|
|
\retval none
|
|
*/
|
|
void dac_concurrent_software_trigger_enable(void)
|
|
{
|
|
uint32_t swt = 0U;
|
|
swt = DAC_SWT_SWTR0 | DAC_SWT_SWTR1;
|
|
DAC_SWT |= (swt);
|
|
}
|
|
|
|
/*!
|
|
\brief disable DAC concurrent software trigger function
|
|
\param[in] none
|
|
\param[out] none
|
|
\retval none
|
|
*/
|
|
void dac_concurrent_software_trigger_disable(void)
|
|
{
|
|
uint32_t swt = 0U;
|
|
swt = DAC_SWT_SWTR0 | DAC_SWT_SWTR1;
|
|
DAC_SWT &= (~swt);
|
|
}
|
|
|
|
/*!
|
|
\brief enable DAC concurrent buffer function
|
|
\param[in] none
|
|
\param[out] none
|
|
\retval none
|
|
*/
|
|
void dac_concurrent_output_buffer_enable(void)
|
|
{
|
|
uint32_t ctl = 0U;
|
|
ctl = DAC_CTL_DBOFF0 | DAC_CTL_DBOFF1;
|
|
DAC_CTL &= (~ctl);
|
|
}
|
|
|
|
/*!
|
|
\brief disable DAC concurrent buffer function
|
|
\param[in] none
|
|
\param[out] none
|
|
\retval none
|
|
*/
|
|
void dac_concurrent_output_buffer_disable(void)
|
|
{
|
|
uint32_t ctl = 0U;
|
|
ctl = DAC_CTL_DBOFF0 | DAC_CTL_DBOFF1;
|
|
DAC_CTL |= (ctl);
|
|
}
|
|
|
|
/*!
|
|
\brief set DAC concurrent mode data holding register value
|
|
\param[in] dac_align: data alignment
|
|
only one parameter can be selected which is shown as below:
|
|
\arg DAC_ALIGN_8B_R: data right 8b alignment
|
|
\arg DAC_ALIGN_12B_R: data right 12b alignment
|
|
\arg DAC_ALIGN_12B_L: data left 12b alignment
|
|
\param[in] data0: data to be loaded
|
|
\param[in] data1: data to be loaded
|
|
\param[out] none
|
|
\retval none
|
|
*/
|
|
void dac_concurrent_data_set(uint32_t dac_align, uint16_t data0, uint16_t data1)
|
|
{
|
|
uint32_t data = 0U;
|
|
switch(dac_align){
|
|
/* data right 12b alignment */
|
|
case DAC_ALIGN_12B_R:
|
|
data = ((uint32_t)data1 << DH_12BIT_OFFSET) | data0;
|
|
DACC_R12DH = data;
|
|
break;
|
|
/* data left 12b alignment */
|
|
case DAC_ALIGN_12B_L:
|
|
data = ((uint32_t)data1 << DH_12BIT_OFFSET) | data0;
|
|
DACC_L12DH = data;
|
|
break;
|
|
/* data right 8b alignment */
|
|
case DAC_ALIGN_8B_R:
|
|
data = ((uint32_t)data1 << DH_8BIT_OFFSET) | data0;
|
|
DACC_R8DH = data;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*!
|
|
\brief enable DAC concurrent interrupt funcution
|
|
\param[in] none
|
|
\param[out] none
|
|
\retval none
|
|
*/
|
|
void dac_concurrent_interrupt_enable(void)
|
|
{
|
|
uint32_t ctl = 0U;
|
|
ctl = DAC_CTL_DDUDRIE0 | DAC_CTL_DDUDRIE1;
|
|
DAC_CTL |= (ctl);
|
|
}
|
|
|
|
/*!
|
|
\brief disable DAC concurrent interrupt funcution
|
|
\param[in] none
|
|
\param[out] none
|
|
\retval none
|
|
*/
|
|
void dac_concurrent_interrupt_disable(void)
|
|
{
|
|
uint32_t ctl = 0U;
|
|
ctl = DAC_CTL_DDUDRIE0 | DAC_CTL_DDUDRIE1;
|
|
DAC_CTL &= (~ctl);
|
|
}
|
|
|
|
/*!
|
|
\brief enable DAC interrupt(DAC DMA underrun interrupt)
|
|
\param[in] dac_periph: DACx(x = 0,1)
|
|
\param[out] none
|
|
\retval none
|
|
*/
|
|
void dac_interrupt_enable(uint32_t dac_periph)
|
|
{
|
|
if(DAC0 == dac_periph){
|
|
DAC_CTL |= DAC_CTL_DDUDRIE0;
|
|
}else{
|
|
DAC_CTL |= DAC_CTL_DDUDRIE1;
|
|
}
|
|
}
|
|
|
|
/*!
|
|
\brief disable DAC interrupt(DAC DMA underrun interrupt)
|
|
\param[in] dac_periph: DACx(x = 0,1)
|
|
\param[out] none
|
|
\retval none
|
|
*/
|
|
void dac_interrupt_disable(uint32_t dac_periph)
|
|
{
|
|
if(DAC0 == dac_periph){
|
|
DAC_CTL &= ~DAC_CTL_DDUDRIE0;
|
|
}else{
|
|
DAC_CTL &= ~DAC_CTL_DDUDRIE1;
|
|
}
|
|
}
|
|
|
|
/*!
|
|
\brief get the specified DAC flag (DAC DMA underrun flag)
|
|
\param[in] dac_periph: DACx(x = 0,1)
|
|
\param[out] none
|
|
\retval FlagStatus: SET or RESET
|
|
*/
|
|
FlagStatus dac_flag_get(uint32_t dac_periph)
|
|
{
|
|
FlagStatus temp_flag = RESET;
|
|
if(DAC0 == dac_periph){
|
|
/* check the DMA underrun flag */
|
|
if(RESET != (DAC_STAT & DAC_STAT_DDUDR0)){
|
|
temp_flag = SET;
|
|
}
|
|
}else{
|
|
/* check the DMA underrun flag */
|
|
if(RESET != (DAC_STAT & DAC_STAT_DDUDR1)){
|
|
temp_flag = SET;
|
|
}
|
|
}
|
|
return temp_flag;
|
|
}
|
|
|
|
/*!
|
|
\brief clear the specified DAC flag (DAC DMA underrun flag)
|
|
\param[in] dac_periph: DACx(x = 0,1)
|
|
\param[out] none
|
|
\retval none
|
|
*/
|
|
void dac_flag_clear(uint32_t dac_periph)
|
|
{
|
|
if(DAC0 == dac_periph){
|
|
DAC_STAT |= DAC_STAT_DDUDR0;
|
|
}else{
|
|
DAC_STAT |= DAC_STAT_DDUDR1;
|
|
}
|
|
}
|
|
|
|
/*!
|
|
\brief get the specified DAC interrupt flag (DAC DMA underrun interrupt flag)
|
|
\param[in] dac_periph: DACx(x = 0,1)
|
|
\param[out] none
|
|
\retval FlagStatus: SET or RESET
|
|
*/
|
|
FlagStatus dac_interrupt_flag_get(uint32_t dac_periph)
|
|
{
|
|
FlagStatus temp_flag = RESET;
|
|
uint32_t ddudr_flag = 0U, ddudrie_flag = 0U;
|
|
|
|
if(DAC0 == dac_periph){
|
|
/* check the DMA underrun flag and DAC DMA underrun interrupt enable flag */
|
|
ddudr_flag = DAC_STAT & DAC_STAT_DDUDR0;
|
|
ddudrie_flag = DAC_CTL & DAC_CTL_DDUDRIE0;
|
|
if((RESET != ddudr_flag) && (RESET != ddudrie_flag)){
|
|
temp_flag = SET;
|
|
}
|
|
}else{
|
|
/* check the DMA underrun flag and DAC DMA underrun interrupt enable flag */
|
|
ddudr_flag = DAC_STAT & DAC_STAT_DDUDR1;
|
|
ddudrie_flag = DAC_CTL & DAC_CTL_DDUDRIE1;
|
|
if((RESET != ddudr_flag) && (RESET != ddudrie_flag)){
|
|
temp_flag = SET;
|
|
}
|
|
}
|
|
return temp_flag;
|
|
}
|
|
|
|
/*!
|
|
\brief clear the specified DAC interrupt flag (DAC DMA underrun interrupt flag)
|
|
\param[in] dac_periph: DACx(x = 0,1)
|
|
\param[out] none
|
|
\retval none
|
|
*/
|
|
void dac_interrupt_flag_clear(uint32_t dac_periph)
|
|
{
|
|
if(DAC0 == dac_periph){
|
|
DAC_STAT |= DAC_STAT_DDUDR0;
|
|
}else{
|
|
DAC_STAT |= DAC_STAT_DDUDR1;
|
|
}
|
|
}
|