diff options
Diffstat (limited to 'os/haltmp/src/adc.c')
| -rw-r--r-- | os/haltmp/src/adc.c | 217 |
1 files changed, 0 insertions, 217 deletions
diff --git a/os/haltmp/src/adc.c b/os/haltmp/src/adc.c deleted file mode 100644 index c074c0224..000000000 --- a/os/haltmp/src/adc.c +++ /dev/null @@ -1,217 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
-
- This file is part of ChibiOS/RT.
-
- ChibiOS/RT is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- ChibiOS/RT is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-/**
- * @file adc.c
- * @brief ADC Driver code.
- * @addtogroup ADC
- * @{
- */
-
-#include "ch.h"
-#include "hal.h"
-
-#if CH_HAL_USE_ADC
-
-/**
- * @brief ADC Driver initialization.
- */
-void adcInit(void) {
-
- adc_lld_init();
-}
-
-/**
- * @brief Initializes the standard part of a @p ADCDriver structure.
- *
- * @param[in] adcp pointer to the @p ADCDriver object
- */
-void adcObjectInit(ADCDriver *adcp) {
-
- adcp->ad_state = ADC_STOP;
- adcp->ad_config = NULL;
- adcp->ad_callback = NULL;
- adcp->ad_samples = NULL;
- adcp->ad_depth = 0;
- adcp->ad_grpp = NULL;
- chSemInit(&adcp->ad_sem, 0);
-}
-
-/**
- * @brief Configures and activates the ADC peripheral.
- *
- * @param[in] adcp pointer to the @p ADCDriver object
- * @param[in] config pointer to the @p ADCConfig object
- */
-void adcStart(ADCDriver *adcp, const ADCConfig *config) {
-
- chDbgCheck((adcp != NULL) && (config != NULL), "adcStart");
-
- chSysLock();
- chDbgAssert((adcp->ad_state == ADC_STOP) || (adcp->ad_state == ADC_READY),
- "adcStart(), #1",
- "invalid state");
- adcp->ad_config = config;
- adc_lld_start(adcp);
- adcp->ad_state = ADC_READY;
- chSysUnlock();
-}
-
-/**
- * @brief Deactivates the ADC peripheral.
- *
- * @param[in] adcp pointer to the @p ADCDriver object
- */
-void adcStop(ADCDriver *adcp) {
-
- chDbgCheck(adcp != NULL, "adcStop");
-
- chSysLock();
- chDbgAssert((adcp->ad_state == ADC_STOP) || (adcp->ad_state == ADC_READY),
- "adcStop(), #1",
- "invalid state");
- adc_lld_stop(adcp);
- adcp->ad_state = ADC_STOP;
- chSysUnlock();
-}
-
-/**
- * @brief Starts an ADC conversion.
- * @details Starts a conversion operation, there are two kind of conversion
- * modes:
- * - <b>LINEAR</b>, this mode is activated when the @p callback
- * parameter is set to @p NULL, in this mode the buffer is filled
- * once and then the conversion stops automatically.
- * - <b>CIRCULAR</b>, when a callback function is defined the
- * conversion never stops and the buffer is filled circularly.
- * During the conversion the callback function is invoked when
- * the buffer is 50% filled and when the buffer is 100% filled,
- * this way is possible to process the conversion stream in real
- * time. This kind of conversion can only be stopped by explicitly
- * invoking @p adcStopConversion().
- * .
- * - * @param[in] adcp pointer to the @p ADCDriver object - * @param[in] grpp pointer to a @p ADCConversionGroup object - * @param[out] samples pointer to the samples buffer
- * @param[in] depth buffer depth (matrix rows number). The buffer depth
- * must be one or an even number.
- * @param[in] callback pointer to the conversion callback function
- * @return The operation status.
- * @retval FALSE the conversion has been started.
- * @retval TRUE the driver is busy, conversion not started.
- *
- * @note The buffer is organized as a matrix of M*N elements where M is the
- * channels number configured into the conversion group and N is the
- * buffer depth. The samples are sequentially written into the buffer
- * with no gaps. - */
-bool_t adcStartConversion(ADCDriver *adcp,
- const ADCConversionGroup *grpp,
- adcsample_t *samples,
- size_t depth,
- adccallback_t callback) {
-
- chDbgCheck((adcp != NULL) && (grpp != NULL) && (samples != NULL) &&
- ((depth == 1) || ((depth & 1) == 0)),
- "adcStartConversion");
-
- chSysLock();
- chDbgAssert((adcp->ad_state == ADC_READY) ||
- (adcp->ad_state == ADC_RUNNING) ||
- (adcp->ad_state == ADC_COMPLETE),
- "adcStartConversion(), #1",
- "invalid state");
- if (adcp->ad_state == ADC_RUNNING) {
- chSysUnlock();
- return TRUE;
- }
- adcp->ad_callback = callback;
- adcp->ad_samples = samples;
- adcp->ad_depth = depth;
- adcp->ad_grpp = grpp;
- adc_lld_start_conversion(adcp);
- adcp->ad_state = ADC_RUNNING;
- chSysUnlock();
- return FALSE;
-}
-
-/**
- * @brief Stops an ongoing conversion.
- * - * @param[in] adcp pointer to the @p ADCDriver object - */
-void adcStopConversion(ADCDriver *adcp) {
-
- chDbgCheck(adcp != NULL, "adcStopConversion");
-
- chSysLock();
- chDbgAssert((adcp->ad_state == ADC_READY) ||
- (adcp->ad_state == ADC_RUNNING) ||
- (adcp->ad_state == ADC_COMPLETE),
- "adcStopConversion(), #1",
- "invalid state");
- if (adcp->ad_state == ADC_RUNNING) {
- adc_lld_stop_conversion(adcp);
- adcp->ad_grpp = NULL;
- adcp->ad_state = ADC_READY;
- chSemResetI(&adcp->ad_sem, 0);
- chSchRescheduleS();
- }
- else
- adcp->ad_state = ADC_READY;
- chSysUnlock();
-}
-
-/**
- * @brief Waits for completion.
- * @details If the conversion is not completed or not yet started then the
- * invoking thread waits for a conversion completion event.
- * - * @param[in] adcp pointer to the @p ADCDriver object
- * @param[in] timeout the number of ticks before the operation timeouts,
- * the following special values are allowed:
- * - @a TIME_IMMEDIATE immediate timeout.
- * - @a TIME_INFINITE no timeout.
- * .
- * @return The operation result.
- * @retval RDY_OK conversion finished.
- * @retval RDY_TIMEOUT conversion not finished within the specified time. - */
-msg_t adcWaitConversion(ADCDriver *adcp, systime_t timeout) {
-
- chSysLock();
- chDbgAssert((adcp->ad_state == ADC_READY) ||
- (adcp->ad_state == ADC_RUNNING) ||
- (adcp->ad_state == ADC_COMPLETE),
- "adcWaitConversion(), #1",
- "invalid state");
- if (adcp->ad_state != ADC_COMPLETE) {
- if (chSemWaitTimeoutS(&adcp->ad_sem, timeout) == RDY_TIMEOUT) {
- chSysUnlock();
- return RDY_TIMEOUT;
- }
- }
- chSysUnlock();
- return RDY_OK;
-}
-
-#endif /* CH_HAL_USE_ADC */
-
-/** @} */
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