127 lines
4.1 KiB
C
127 lines
4.1 KiB
C
/*
|
|
* Copyright (c) 2020, Texas Instruments Incorporated
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
*
|
|
* * 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.
|
|
*
|
|
* * Neither the name of Texas Instruments Incorporated 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 OWNER 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 <ti/driverlib/dl_dac12.h>
|
|
|
|
#ifdef __MSPM0_HAS_DAC12__
|
|
|
|
void DL_DAC12_init(DAC12_Regs *dac12, const DL_DAC12_Config *config)
|
|
{
|
|
/* CTL 0 - Input Data Formatting */
|
|
DL_DAC12_configDataFormat(
|
|
dac12, config->representation, config->resolution);
|
|
|
|
/* CTL 1 - DAC Module */
|
|
DL_Common_updateReg(&dac12->CTL1,
|
|
(uint32_t) config->outputEnable |
|
|
(uint32_t) config->voltageReferenceSource |
|
|
(uint32_t) config->amplifierSetting,
|
|
DAC12_CTL1_OPS_MASK | DAC12_CTL1_REFSP_MASK | DAC12_CTL1_REFSN_MASK |
|
|
DAC12_CTL1_AMPEN_MASK | DAC12_CTL1_AMPHIZ_MASK);
|
|
|
|
/* CTL 2 - FIFO */
|
|
DL_Common_updateReg(&dac12->CTL2,
|
|
((uint32_t) config->fifoEnable | (uint32_t) config->fifoTriggerSource |
|
|
(uint32_t) config->dmaTriggerEnable |
|
|
(uint32_t) config->dmaTriggerThreshold),
|
|
DAC12_CTL2_DMATRIGEN_MASK | DAC12_CTL2_FIFOTH_MASK |
|
|
DAC12_CTL2_FIFOEN_MASK | DAC12_CTL2_FIFOTRIGSEL_MASK);
|
|
|
|
/* CTL3 Register - Sample Time Generator */
|
|
DL_Common_updateReg(&dac12->CTL3,
|
|
((uint32_t) config->sampleTimeGeneratorEnable |
|
|
(uint32_t) config->sampleRate),
|
|
DAC12_CTL3_STIMCONFIG_MASK | DAC12_CTL3_STIMEN_MASK);
|
|
}
|
|
|
|
void DL_DAC12_outputBlocking8(DAC12_Regs *dac12, uint8_t data)
|
|
{
|
|
while (DL_DAC12_isFIFOFull(dac12)) {
|
|
;
|
|
}
|
|
|
|
DL_DAC12_output8(dac12, data);
|
|
}
|
|
|
|
void DL_DAC12_outputBlocking12(DAC12_Regs *dac12, uint16_t data)
|
|
{
|
|
while (DL_DAC12_isFIFOFull(dac12)) {
|
|
;
|
|
}
|
|
|
|
DL_DAC12_output12(dac12, data);
|
|
}
|
|
|
|
uint32_t DL_DAC12_fillFIFO8(
|
|
DAC12_Regs *dac12, const uint8_t *buffer, uint32_t count)
|
|
{
|
|
uint32_t i;
|
|
for (i = 0; i < count; i++) {
|
|
if (!DL_DAC12_isFIFOFull(dac12)) {
|
|
DL_DAC12_output8(dac12, buffer[i]);
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
|
|
return i;
|
|
}
|
|
|
|
uint32_t DL_DAC12_fillFIFO12(
|
|
DAC12_Regs *dac12, const uint16_t *buffer, uint32_t count)
|
|
{
|
|
uint32_t i;
|
|
for (i = 0; i < count; i++) {
|
|
if (!DL_DAC12_isFIFOFull(dac12)) {
|
|
DL_DAC12_output12(dac12, buffer[i]);
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
|
|
return i;
|
|
}
|
|
|
|
void DL_DAC12_performSelfCalibrationBlocking(DAC12_Regs *dac12)
|
|
{
|
|
DL_DAC12_startCalibration(dac12);
|
|
/*
|
|
* Tri-stated during calibration, and CALON will continue to be set
|
|
* Prevents the function from exiting until the calibration is finished.
|
|
*/
|
|
while (DL_DAC12_isCalibrationRunning(dac12)) {
|
|
;
|
|
}
|
|
}
|
|
|
|
#endif /* __MSPM0_HAS_DAC12__ */
|