/**?@file?adc.c
?*?@brief??ADC?HAL?functions
?*
?*?
?*/
#include?PLATFORM_HEADER
#include?“hal/error.h“
#include?“hal/hal.h“
#include?“hal/micro/adc.h“


#if?（NUM_ADC_USERS?>?8）
??#error?NUM_ADC_USERS?must?not?be?greater?than?8?or?int8u?variables?in?adc.c?must?be?changed
#endif

static?int16u?adcData;?????????????//?conversion?result?written?by?DMA
static?int8u?adcPendingRequests;???//?bitmap?of?pending?requests
volatile?static?int8u?adcPendingConversion;?//?id?of?pending?conversion
static?int8u?adcReadingValid;??????//?bitmap?of?valid?adcReadings
static?int16u?adcReadings[NUM_ADC_USERS];
static?int16u?adcConfig[NUM_ADC_USERS];
static?boolean?adcCalibrated;
static?int16s?Nvss;
static?int16s?Nvdd;
/*?Modified?the?original?ADC?driver?for?enabling?the?ADC?extended?range?mode?required?for?
???supporting?the?STLM20?temperature?sensor.
???NOTE:?
???The?ADC?extended?range?is?inaccurate?due?to?the?high?voltage?mode?bug?of?the?general?purpose?ADC?
???（see?STM32W108?errata）.?As?consequence?it?is?not?reccomended?to?use?this?ADC?driver?for?getting
???the?temperature?values?
*/
#ifdef?ENABLE_ADC_EXTENDED_RANGE_BROKEN
static?int16s?Nvref;
static?int16s?Nvref2;
#endif?/*?ENABLE_ADC_EXTENDED_RANGE_BROKEN?*/
static?int16u?adcStaticConfig;

void?halAdcSetClock（boolean?slow）
{
??if?（slow）?{
????adcStaticConfig?|=?ADC_1MHZCLK_MASK;
??}?else?{
????adcStaticConfig?&=?~ADC_1MHZCLK_MASK;
??}
}

void?halAdcSetRange（boolean?high）
{
??if?（high）?{
????adcStaticConfig?|=?（ADC_HVSELP_MASK?|?ADC_HVSELN_MASK）;
??}?else?{
????adcStaticConfig?&=?~（ADC_HVSELP_MASK?|?ADC_HVSELN_MASK）;
??}
}

boolean?halAdcGetClock（void）
{
??/*?Fix?original?function?code?*/
??return?（adcStaticConfig?&?ADC_1MHZCLK_MASK）???TRUE?:?FALSE;
}

boolean?halAdcGetRange（void）
{
??/*?Fix?original?function?code?*/
??return?（adcStaticConfig?&?（（ADC_HVSELP_MASK?|?ADC_HVSELN_MASK）））???TRUE?:?FALSE;
}



//?Define?a?channel?field?that?combines?ADC_MUXP?and?ADC_MUXN
#define?ADC_CHAN????????（ADC_MUXP?|?ADC_MUXN）
#define?ADC_CHAN_BIT????ADC_MUXN_BIT

void?halAdcIsr（void）
{
??int8u?i;
??int8u?conversion?=?adcPendingConversion;?//fix?‘volatile‘?warning;?costs?no?flash

??//?make?sure?data?is?ready?and?the?desired?conversion?is?valid
??if?（?（INT_ADCFLAG?&?INT_ADCULDFULL）
????????&&?（conversion?????adcReadings[conversion]?=?adcData;
????adcReadingValid?|=?BIT（conversion）;?//?mark?the?reading?as?valid
????//?setup?the?next?conversion?if?any
????if?（adcPendingRequests）?{
??????for?（i?=?0;?i?????????if?（BIT（i）?&?adcPendingRequests）?{
??????????adcPendingConversion?=?i;?????//?set?pending?conversion
??????????adcPendingRequests?^=?BIT（i）;?//clear?request:?conversion?is?starting
??????????ADC_CFG?=?adcConfig[i];?
??????????break;?//conversion?started?so?we‘re?done?here?（only?one?at?a?time）
????????}
??????}
????}?el

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????19558??2011-05-25?18:03??ST?SimpleMAC-1.0.3\STM32W108\docs\hal\html\adc_8c.html

?????文件??????48043??2011-05-25?18:03??ST?SimpleMAC-1.0.3\STM32W108\docs\hal\html\adc_8c_source.html

?????文件???????2321??2011-05-25?18:03??ST?SimpleMAC-1.0.3\STM32W108\docs\hal\html\adc_8h.html

?????文件??????17809??2011-05-25?18:03??ST?SimpleMAC-1.0.3\STM32W108\docs\hal\html\adc_8h_source.html

?????文件???????5089??2011-05-25?18:03??ST?SimpleMAC-1.0.3\STM32W108\docs\hal\html\annotated.html

?????文件???????2054??2011-05-25?18:03??ST?SimpleMAC-1.0.3\STM32W108\docs\hal\html\asm_8h.html

?????文件???????7942??2011-05-25?18:03??ST?SimpleMAC-1.0.3\STM32W108\docs\hal\html\asm_8h_source.html

?????文件????????705??2011-05-25?18:03??ST?SimpleMAC-1.0.3\STM32W108\docs\hal\html\bc_s.png

?????文件??????41585??2011-05-25?18:03??ST?SimpleMAC-1.0.3\STM32W108\docs\hal\html\board_8c.html

?????文件??????73270??2011-05-25?18:03??ST?SimpleMAC-1.0.3\STM32W108\docs\hal\html\board_8c_source.html

?????文件??????29591??2011-05-25?18:03??ST?SimpleMAC-1.0.3\STM32W108\docs\hal\html\board_8h.html

?????文件??????26557??2011-05-25?18:03??ST?SimpleMAC-1.0.3\STM32W108\docs\hal\html\board_8h_source.html

?????文件???????5194??2011-05-25?18:03??ST?SimpleMAC-1.0.3\STM32W108\docs\hal\html\button_8c.html

?????文件???????6887??2011-05-25?18:03??ST?SimpleMAC-1.0.3\STM32W108\docs\hal\html\button_8c_source.html

?????文件???????8636??2011-05-25?18:03??ST?SimpleMAC-1.0.3\STM32W108\docs\hal\html\button_8h.html

?????文件???????4454??2011-05-25?18:03??ST?SimpleMAC-1.0.3\STM32W108\docs\hal\html\button_8h_source.html

?????文件???????5567??2011-05-25?18:03??ST?SimpleMAC-1.0.3\STM32W108\docs\hal\html\classes.html

?????文件??????15096??2011-05-25?18:03??ST?SimpleMAC-1.0.3\STM32W108\docs\hal\html\clocks_8c.html

?????文件??????49861??2011-05-25?18:03??ST?SimpleMAC-1.0.3\STM32W108\docs\hal\html\clocks_8c_source.html

?????文件????????126??2011-05-25?18:03??ST?SimpleMAC-1.0.3\STM32W108\docs\hal\html\closed.png

?????文件??????18181??2011-05-25?18:03??ST?SimpleMAC-1.0.3\STM32W108\docs\hal\html\cortexm3_2micro-common_8h.html

?????文件??????13761??2011-05-25?18:03??ST?SimpleMAC-1.0.3\STM32W108\docs\hal\html\cortexm3_2micro-common_8h_source.html

?????文件??????12013??2011-05-25?18:03??ST?SimpleMAC-1.0.3\STM32W108\docs\hal\html\doxygen.css

?????文件???????3942??2011-05-25?18:03??ST?SimpleMAC-1.0.3\STM32W108\docs\hal\html\doxygen.png

?????文件??????23256??2011-05-25?18:03??ST?SimpleMAC-1.0.3\STM32W108\docs\hal\html\error-def_8h.html

?????文件??????39282??2011-05-25?18:03??ST?SimpleMAC-1.0.3\STM32W108\docs\hal\html\error-def_8h_source.html

?????文件???????5703??2011-05-25?18:03??ST?SimpleMAC-1.0.3\STM32W108\docs\hal\html\error_8h.html

?????文件???????4680??2011-05-25?18:03??ST?SimpleMAC-1.0.3\STM32W108\docs\hal\html\error_8h_source.html

?????文件??????25777??2011-05-25?18:03??ST?SimpleMAC-1.0.3\STM32W108\docs\hal\html\fib-bootloader_8h.html

?????文件???????9838??2011-05-25?18:03??ST?SimpleMAC-1.0.3\STM32W108\docs\hal\html\fib-bootloader_8h_source.html

............此處省略679個文件信息