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Improved DAC initialization. 

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@7942 35acf78f-673a-0410-8e92-d51de3d6d3f4
This commit is contained in:
Giovanni Di Sirio 2015-05-03 09:04:25 +00:00
parent 2de1b8e40f
commit f7361859b0
5 changed files with 10 additions and 4 deletions
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5
os/hal/ports/STM32/LLD/DACv1/dac_lld.c
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@ -251,10 +251,11 @@ void dac_lld_start(DACDriver *dacp) {
#if STM32_DAC_DUAL_MODE == FALSE
dacp->params->dac->CR &= dacp->params->regmask;
dacp->params->dac->CR |= DAC_CR_EN1 << dacp->params->regshift;
*(&dacp->params->dac->DHR12R1 + dacp->params->dataoffset) = 0U;
dac_lld_put_channel(dacp, 0U, dacp->config->init);
#else
dacp->params->dac->CR = DAC_CR_EN2 | DAC_CR_EN1;
dacp->params->dac->DHR12RD = 0U;
dac_lld_put_channel(dacp, 0U, dacp->config->init);
dac_lld_put_channel(dacp, 1U, dacp->config->init);
#endif
}
}

4
os/hal/ports/STM32/LLD/DACv1/dac_lld.h
View File

@ -364,6 +364,10 @@ typedef struct {
*/
typedef struct {
/* End of the mandatory fields.*/
/**
* @brief Initial output on DAC channels.
*/
dacsample_t init;
/**
* @brief DAC data holding register mode.
*/

2
testhal/STM32/STM32F4xx/DAC/Makefile
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@ -5,7 +5,7 @@
# Compiler options here.
ifeq ($(USE_OPT),)
USE_OPT = -O2 -ggdb -fomit-frame-pointer -falign-functions=16
USE_OPT = -O0 -ggdb -fomit-frame-pointer -falign-functions=16
endif
# C specific options here (added to USE_OPT).

2
testhal/STM32/STM32F4xx/DAC/debug/STM32F4xx-DAC (OpenOCD, Flash and Run).launch
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@ -33,7 +33,7 @@
<intAttribute key="org.eclipse.cdt.launch.ATTR_BUILD_BEFORE_LAUNCH_ATTR" value="2"/>
<stringAttribute key="org.eclipse.cdt.launch.COREFILE_PATH" value=""/>
<stringAttribute key="org.eclipse.cdt.launch.DEBUGGER_REGISTER_GROUPS" value=""/>
<stringAttribute key="org.eclipse.cdt.launch.FORMAT" value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&lt;contentList&gt;&lt;content id=&quot;CR2-adc-adcp-adc_lld_start_conversion-(format)&quot; val=&quot;4&quot;/&gt;&lt;content id=&quot;CR2-adc-null-port_wait_for_interrupt-(format)&quot; val=&quot;4&quot;/&gt;&lt;content id=&quot;cr2-adc_lld_start_conversion-(format)&quot; val=&quot;4&quot;/&gt;&lt;/contentList&gt;"/>
<stringAttribute key="org.eclipse.cdt.launch.FORMAT" value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&lt;contentList&gt;&lt;content id=&quot;cr2-adc_lld_start_conversion-(format)&quot; val=&quot;4&quot;/&gt;&lt;content id=&quot;CR2-adc-null-port_wait_for_interrupt-(format)&quot; val=&quot;4&quot;/&gt;&lt;content id=&quot;CR2-adc-adcp-adc_lld_start_conversion-(format)&quot; val=&quot;4&quot;/&gt;&lt;/contentList&gt;"/>
<stringAttribute key="org.eclipse.cdt.launch.GLOBAL_VARIABLES" value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#13;&#10;&lt;globalVariableList/&gt;&#13;&#10;"/>
<stringAttribute key="org.eclipse.cdt.launch.MEMORY_BLOCKS" value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#13;&#10;&lt;memoryBlockExpressionList/&gt;&#13;&#10;"/>
<stringAttribute key="org.eclipse.cdt.launch.PROGRAM_NAME" value="./build/ch.elf"/>

1
testhal/STM32/STM32F4xx/DAC/main.c
View File

@ -88,6 +88,7 @@ static void error_cb1(DACDriver *dacp, dacerror_t err) {
}
static const DACConfig dac1cfg1 = {
init: 2047U,
datamode: DAC_DHRM_12BIT_RIGHT
};