From 10fcc2b9f6db6b320c3c5baaca68881d53ed45a7 Mon Sep 17 00:00:00 2001 From: pcirillo Date: Thu, 21 Nov 2013 12:18:16 +0000 Subject: [PATCH] git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@6502 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- os/hal/platforms/SPC5xx/ADC_v1/adc_lld.c | 592 ----------------------- os/hal/platforms/SPC5xx/ADC_v1/adc_lld.h | 529 -------------------- 2 files changed, 1121 deletions(-) delete mode 100644 os/hal/platforms/SPC5xx/ADC_v1/adc_lld.c delete mode 100644 os/hal/platforms/SPC5xx/ADC_v1/adc_lld.h diff --git a/os/hal/platforms/SPC5xx/ADC_v1/adc_lld.c b/os/hal/platforms/SPC5xx/ADC_v1/adc_lld.c deleted file mode 100644 index 5899b7bb2..000000000 --- a/os/hal/platforms/SPC5xx/ADC_v1/adc_lld.c +++ /dev/null @@ -1,592 +0,0 @@ -/* - ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio - - Licensed under the Apache License, Version 2.0 (the "License"); - you may not use this file except in compliance with the License. - You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, software - distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and - limitations under the License. -*/ - -/** - * @file SPC5xx/ADC_v1/adc_lld.c - * @brief ADC Driver subsystem low level driver source. - * - * @addtogroup ADC - * @{ - */ - -#include "hal.h" - -#if HAL_USE_ADC || defined(__DOXYGEN__) - -/* Some forward declarations.*/ -static void adc_serve_adc_irq(edma_channel_t channel, void *p); -static void adc_serve_dma_error_irq(edma_channel_t channel, - void *p, - uint32_t esr); - -/*===========================================================================*/ -/* Driver local definitions. */ -/*===========================================================================*/ - -/*===========================================================================*/ -/* Driver exported variables. */ -/*===========================================================================*/ - -/** - * @brief ADC1 driver identifier. - */ -#if SPC5_ADC_USE_ADC0 || defined(__DOXYGEN__) -ADCDriver ADCD1; -#endif - -#if SPC5_ADC_USE_ADC1 || defined(__DOXYGEN__) -ADCDriver ADCD2; -#endif - -/*===========================================================================*/ -/* Driver local variables and types. */ -/*===========================================================================*/ - -#if SPC5_ADC_USE_ADC0 || defined(__DOXYGEN__) -/** - * @brief DMA configuration for ADC0. - */ -static const edma_channel_config_t adc_adc0_dma_config = { - SPC5_ADC_ADC0_DMA_CH_ID, - SPC5_ADC0_DMA_DEV_ID, - SPC5_ADC_ADC0_DMA_IRQ_PRIO, - adc_serve_adc_irq, adc_serve_dma_error_irq, &ADCD1 -}; -#endif /* SPC5_ADC_USE_ADC0 */ - -#if SPC5_ADC_USE_ADC1 || defined(__DOXYGEN__) -/** - * @brief DMA configuration for ADC1. - */ -static const edma_channel_config_t adc_adc1_dma_config = { - SPC5_ADC_ADC1_DMA_CH_ID, - SPC5_ADC1_DMA_DEV_ID, - SPC5_ADC_ADC1_DMA_IRQ_PRIO, - adc_serve_adc_irq, adc_serve_dma_error_irq, &ADCD2 -}; -#endif /* SPC5_ADC_USE_ADC1 */ - -/*===========================================================================*/ -/* Driver local functions and macros. */ -/*===========================================================================*/ - -/** - * @brief Unsigned two's complement. - * - * @param[in] n the value to be complemented - * - * @notapi - */ -#define CPL2(n) ((~(uint32_t)(n)) + 1) - -/** - * @brief Shared ISR for ADC events. - * - * @param[in] channel the channel number - * @param[in] p parameter for the registered function - * - * @notapi - */ -static void adc_serve_adc_irq(edma_channel_t channel, void *p) { - ADCDriver *adcp = (ADCDriver *)p; - edma_tcd_t *tcdp = edmaGetTCD(channel); - - if (adcp->grpp != NULL) { - if ((tcdp->word[5] >> 16) != (tcdp->word[7] >> 16)) { - /* Half transfer processing.*/ - _adc_isr_half_code(adcp); - } - else { - /* Re-starting DMA channel if in circular mode.*/ - if (adcp->grpp->circular) { - edmaChannelStart(adcp->adc_dma_channel); - } - - /* Transfer complete processing.*/ - _adc_isr_full_code(adcp); - } - } -} - -/** - * @brief Shared ISR for DMA error events. - * - * @param[in] channel the channel number - * @param[in] p parameter for the registered function - * @param[in] esr content of the ESR register - * - * @notapi - */ -static void adc_serve_dma_error_irq(edma_channel_t channel, - void *p, - uint32_t esr) { - ADCDriver *adcp = (ADCDriver *)p; - - (void)channel; - (void)esr; - - _adc_isr_error_code(adcp, ADC_ERR_DMAFAILURE); -} - -/** - * @brief ADC ISR service routine. - * - * @param[in] adcp pointer to the @p ADCDriver object - * @param[in] isr content of the ISR register - */ -static void adc_lld_serve_interrupt(ADCDriver *adcp, uint32_t isr) { - - /* It could be a spurious interrupt caused by overflows after DMA disabling, - just ignore it in this case.*/ - if (adcp->grpp != NULL) { - if (isr & ADC_ISR_AWD0_LT) { - /* Analog watchdog error.*/ - _adc_isr_error_code(adcp, ADC_ERR_AWD0_LT); - } - if (isr & ADC_ISR_AWD1_LT) { - /* Analog watchdog error.*/ - _adc_isr_error_code(adcp, ADC_ERR_AWD1_LT); - } - if (isr & ADC_ISR_AWD2_LT) { - /* Analog watchdog error.*/ - _adc_isr_error_code(adcp, ADC_ERR_AWD2_LT); - } - if (isr & ADC_ISR_AWD3_LT) { - /* Analog watchdog error.*/ - _adc_isr_error_code(adcp, ADC_ERR_AWD3_LT); - } - if (isr & ADC_ISR_AWD0_HT) { - /* Analog watchdog error.*/ - _adc_isr_error_code(adcp, ADC_ERR_AWD0_HT); - } - if (isr & ADC_ISR_AWD1_HT) { - /* Analog watchdog error.*/ - _adc_isr_error_code(adcp, ADC_ERR_AWD1_HT); - } - if (isr & ADC_ISR_AWD2_HT) { - /* Analog watchdog error.*/ - _adc_isr_error_code(adcp, ADC_ERR_AWD2_HT); - } - if (isr & ADC_ISR_AWD3_HT) { - /* Analog watchdog error.*/ - _adc_isr_error_code(adcp, ADC_ERR_AWD3_HT); - } - } -} - -/*===========================================================================*/ -/* Driver interrupt handlers. */ -/*===========================================================================*/ - -#if SPC5_ADC_USE_ADC0 -#if !defined(SPC5_ADC0_WD_HANDLER) -#error "SPC5_ADC0_WD_HANDLER not defined" -#endif -/** - * @brief ADC0 Watch Dog interrupt handler. - * @note It is assumed that the various sources are only activated if the - * associated callback pointer is not equal to @p NULL in order to not - * perform an extra check in a potentially critical interrupt handler. - * - * @isr - */ -OSAL_IRQ_HANDLER(SPC5_ADC0_WD_HANDLER) { - uint32_t isr; - - OSAL_IRQ_PROLOGUE(); - - isr = ADCD1.adc_tagp->WTISR.R; - ADCD1.adc_tagp->WTISR.R = isr; - adc_lld_serve_interrupt(&ADCD1, isr); - - OSAL_IRQ_EPILOGUE(); -} -#endif /* SPC5_ADC_USE_ADC0 */ - -#if SPC5_ADC_USE_ADC1 -#if !defined(SPC5_ADC1_WD_HANDLER) -#error "SPC5_ADC1_WD_HANDLER not defined" -#endif -/** - * @brief ADC1 Watch Dog interrupt handler. - * @note It is assumed that the various sources are only activated if the - * associated callback pointer is not equal to @p NULL in order to not - * perform an extra check in a potentially critical interrupt handler. - * - * @isr - */ -OSAL_IRQ_HANDLER(SPC5_ADC1_WD_HANDLER) { - uint32_t isr; - - OSAL_IRQ_PROLOGUE(); - - isr = ADCD2.adc_tagp->WTISR.R; - ADCD2.adc_tagp->WTISR.R = isr; - adc_lld_serve_interrupt(&ADCD2, isr); - - OSAL_IRQ_EPILOGUE(); -} -#endif /* SPC5_ADC_USE_ADC1 */ - -/*===========================================================================*/ -/* Driver exported functions. */ -/*===========================================================================*/ - -/** - * @brief Low level ADC driver initialization. - * - * @notapi - */ -void adc_lld_init(void) { - -#if SPC5_ADC_USE_ADC0 - /* Driver initialization.*/ - adcObjectInit(&ADCD1); - ADCD1.adc_dma_channel = EDMA_ERROR; - ADCD1.adc_tagp = &SPC5_ADC_0; -#endif /* SPC5_ADC_USE_ADC0 */ - -#if SPC5_ADC_USE_ADC1 - /* Driver initialization.*/ - adcObjectInit(&ADCD2); - ADCD2.adc_dma_channel = EDMA_ERROR; - ADCD2.adc_tagp = &SPC5_ADC_1; -#endif /* SPC5_ADC_USE_ADC1 */ - -#if SPC5_ADC_USE_ADC0 - INTC.PSR[SPC5_ADC0_EOC_NUMBER].R = SPC5_ADC_ADC0_EOC_PRIORITY; - INTC.PSR[SPC5_ADC0_ER_NUMBER].R = SPC5_ADC_ADC0_ER_PRIORITY; - INTC.PSR[SPC5_ADC0_WD_NUMBER].R = SPC5_ADC_ADC0_WD_PRIORITY; - - /* Sets peripheral clock.*/ - halSPCSetPeripheralClockMode(SPC5_ADC0_PCTL, SPC5_ADC_ADC0_START_PCTL); - ADCD1.adc_tagp->MCR.B.ADCLKSEL = SPC5_ADC_ADC0_CLK_FREQUENCY; - halSPCSetPeripheralClockMode(SPC5_ADC0_PCTL, SPC5_ADC_ADC0_STOP_PCTL); -#endif - -#if SPC5_ADC_USE_ADC1 - INTC.PSR[SPC5_ADC1_EOC_NUMBER].R = SPC5_ADC_ADC1_EOC_PRIORITY; - INTC.PSR[SPC5_ADC1_ER_NUMBER].R = SPC5_ADC_ADC1_ER_PRIORITY; - INTC.PSR[SPC5_ADC1_WD_NUMBER].R = SPC5_ADC_ADC1_WD_PRIORITY; - - /* Sets peripheral clock.*/ - halSPCSetPeripheralClockMode(SPC5_ADC1_PCTL, SPC5_ADC_ADC1_START_PCTL); - ADCD2.adc_tagp->MCR.B.ADCLKSEL = SPC5_ADC_ADC1_CLK_FREQUENCY; - halSPCSetPeripheralClockMode(SPC5_ADC1_PCTL, SPC5_ADC_ADC1_STOP_PCTL); -#endif -} - -/** - * @brief Configures and activates the ADC peripheral. - * - * @param[in] adcp pointer to the @p ADCDriver object - * - * @notapi - */ -void adc_lld_start(ADCDriver *adcp) { - - if (adcp->state == ADC_STOP) { - /* Enables the peripheral.*/ -#if SPC5_ADC_USE_ADC0 - if (&ADCD1 == adcp) { - adcp->adc_dma_channel = edmaChannelAllocate(&adc_adc0_dma_config); - halSPCSetPeripheralClockMode(SPC5_ADC0_PCTL, - SPC5_ADC_ADC0_START_PCTL); - } -#endif /* SPC5_ADC_USE_ADC0 */ - -#if SPC5_ADC_USE_ADC1 - if (&ADCD2 == adcp) { - adcp->adc_dma_channel = edmaChannelAllocate(&adc_adc1_dma_config); - halSPCSetPeripheralClockMode(SPC5_ADC1_PCTL, - SPC5_ADC_ADC1_START_PCTL); - } -#endif /* SPC5_ADC_USE_ADC1 */ - - osalDbgAssert((adcp->adc_dma_channel != EDMA_ERROR), - "adc_lld_start(), #1", "DMA channel cannot be allocated"); - - /* Sets ADC Normal Mode.*/ - adcp->adc_tagp->MCR.B.PWDN = 0; - - /* Sets MCR Register.*/ - adcp->adc_tagp->MCR.R = ADC_MCR_OWREN | ADC_MCR_MODE; - } -} - -/** - * @brief Deactivates the ADC peripheral. - * - * @param[in] adcp pointer to the @p ADCDriver object - * - * @notapi - */ -void adc_lld_stop(ADCDriver *adcp) { - - if (adcp->state == ADC_READY) { - /* Resets the peripheral.*/ - - /* Releases the allocated DMA channel.*/ - edmaChannelRelease(adcp->adc_dma_channel); - - /* Clears thresholds’ values and deactive watchdog threshold interrupts.*/ -#if SPC5_ADC_NTRESHOLD == 4 - adcp->adc_tagp->TRC[0].R = 0; - adcp->adc_tagp->TRC[1].R = 0; - adcp->adc_tagp->TRC[2].R = 0; - adcp->adc_tagp->TRC[3].R = 0; - adcp->adc_tagp->THRHLR[0].R = 0; - adcp->adc_tagp->THRHLR[1].R = 0; - adcp->adc_tagp->THRHLR[2].R = 0; - adcp->adc_tagp->THRHLR[3].R = 0; - adcp->adc_tagp->WTIMR.R = 0; - - /* Disables the watchdog interrupts if any.*/ - adcp->adc_tagp->CIMR[0].R = 0; - - /* Clears watchdog interrupts if any.*/ - adcp->adc_tagp->WTISR.R = 0xFFFF; -#elif SPC5_ADC_NTRESHOLD == 16 - adcp->adc_tagp->THRHLR[0].R = 0; - adcp->adc_tagp->THRHLR[1].R = 0; - adcp->adc_tagp->THRHLR[2].R = 0; - adcp->adc_tagp->THRHLR[3].R = 0; - adcp->adc_tagp->THRHLR_2[0].R = 0; - adcp->adc_tagp->THRHLR_2[1].R = 0; - adcp->adc_tagp->THRHLR_2[2].R = 0; - adcp->adc_tagp->THRHLR_2[3].R = 0; - adcp->adc_tagp->THRHLR_2[4].R = 0; - adcp->adc_tagp->THRHLR_2[5].R = 0; - adcp->adc_tagp->THRHLR_2[6].R = 0; - adcp->adc_tagp->THRHLR_2[7].R = 0; - adcp->adc_tagp->THRHLR_2[8].R = 0; - adcp->adc_tagp->THRHLR_2[9].R = 0; - adcp->adc_tagp->THRHLR_2[10].R = 0; - adcp->adc_tagp->THRHLR_2[11].R = 0; - adcp->adc_tagp->CWSEL[0].R = 0; - adcp->adc_tagp->CWSEL[1].R = 0; - adcp->adc_tagp->CWENR[0].R = 0; - adcp->adc_tagp->AWORR[0].R = 0; - adcp->adc_tagp->WTIMR.R = 0; - - /* Disables the watchdog interrupts if any.*/ - adcp->adc_tagp->CIMR[0].R = 0; - - /* Clears watchdog interrupts if any.*/ - adcp->adc_tagp->WTISR.R = 0xFFFFFFFF; -#endif - - /* Deactive ADC channels and the ADC DMA channels.*/ - adcp->adc_tagp->NCMR[0].R = 0; - adcp->adc_tagp->DMAR[0].R = 0; - - /* Puts the ADC Peripheral in Power-Down Mode.*/ - adcp->adc_tagp->MCR.B.PWDN = 1U; - - /* Disables the peripheral.*/ -#if SPC5_ADC_USE_ADC0 - if (&ADCD1 == adcp) { - halSPCSetPeripheralClockMode(SPC5_ADC0_PCTL, - SPC5_ADC_ADC0_STOP_PCTL); - } -#endif - -#if SPC5_ADC_USE_ADC1 - if (&ADCD2 == adcp) { - halSPCSetPeripheralClockMode(SPC5_ADC1_PCTL, - SPC5_ADC_ADC1_STOP_PCTL); - } -#endif - } -} - -/** - * @brief Starts an ADC conversion. - * - * @param[in] adcp pointer to the @p ADCDriver object - * - * @notapi - */ -void adc_lld_start_conversion(ADCDriver *adcp) { - uint32_t ch_mask; - uint8_t i; - - /* Setting up DMA TCD parameters.*/ - edmaChannelSetup(adcp->adc_dma_channel, /* channel. */ - ((uint8_t *)&adcp->adc_tagp->CDR[adcp->grpp->init_channel].R) + 2, /* src. */ - adcp->samples, /* dst. */ - 4, /* soff, advance by four. */ - 2, /* doff, advance by two. */ - 1, /* ssize, 16 bits transfers.*/ - 1, /* dsize, 16 bits transfers.*/ - 2, /* nbytes, always two. */ - (uint32_t)adcp->grpp->num_channels * - (uint32_t)adcp->depth, /* iter. */ - CPL2((uint32_t)adcp->grpp->num_channels * 4), /* slast. */ - CPL2((uint32_t)adcp->grpp->num_channels * - (uint32_t)adcp->depth * - sizeof(adcsample_t)), /* dlast. */ - EDMA_TCD_MODE_DREQ | EDMA_TCD_MODE_INT_END | - ((adcp->depth > 1) ? EDMA_TCD_MODE_INT_HALF: 0)); /* mode. */ - - /* Active DMA.*/ - adcp->adc_tagp->DMAE.R = ADC_DMAE_DMAEN; - - /* TODO: make the number of WD registers a parameter in the registry, modify - the configuration structure.*/ - /* Sets thresholds’ values and active watchdog threshold interrupts if any.*/ -#if SPC5_ADC_NTRESHOLD == 4 - for (i = 0; i < SPC5_ADC_NTRESHOLD; i++) { - switch (adcp->grpp->thresholds[i].threshold_mode){ - case ADC_THRHLR_DISABLED: - break; - case ADC_THRHLR_HIGHER: - /* Sets threshold registers.*/ - adcp->adc_tagp->TRC[i].R = (1U << 15) | adcp->grpp->thresholds[i].adc_ch; - adcp->adc_tagp->THRHLR[i].B.THRH = adcp->grpp->thresholds[i].high_threshold_value; - - /* Active interrupts.*/ - adcp->adc_tagp->WTIMR.R = 1U << (4U + i); - adcp->adc_tagp->CIMR[0].R = 1U << adcp->grpp->thresholds[i].adc_ch; - break; - case ADC_THRHLR_LOWER: - /* Sets threshold registers.*/ - adcp->adc_tagp->TRC[i].R = (1U << 15) | adcp->grpp->thresholds[i].adc_ch; - adcp->adc_tagp->THRHLR[i].B.THRH = adcp->grpp->thresholds[i].high_threshold_value; - - /* Active interrupts.*/ - adcp->adc_tagp->WTIMR.R = 1U << i; - adcp->adc_tagp->CIMR[0].R = 1U << adcp->grpp->thresholds[i].adc_ch; - break; - case ADC_THRHLR_BOTH_HL: - /* Sets threshold registers.*/ - adcp->adc_tagp->TRC[i].R = (1U << 15) | adcp->grpp->thresholds[i].adc_ch; - adcp->adc_tagp->THRHLR[i].B.THRL = adcp->grpp->thresholds[i].low_threshold_value; - adcp->adc_tagp->THRHLR[i].B.THRH = adcp->grpp->thresholds[i].high_threshold_value; - - /* Active interrupts.*/ - adcp->adc_tagp->WTIMR.R = (1U << i) | (1U << (4U + i)); - adcp->adc_tagp->CIMR[0].R = 1U << adcp->grpp->thresholds[i].adc_ch; - break; - } - } -#elif SPC5_ADC_NTRESHOLD == 16 - for (i = 0; i < SPC5_ADC_NTRESHOLD; i++) { - switch (adcp->grpp->thresholds[i].threshold_mode){ - case ADC_THRHLR_DISABLED: - break; - case ADC_THRHLR_HIGHER: - /* Sets threshold registers.*/ - if (adcp->grpp->thresholds[i].adc_ch > 7U) { - adcp->adc_tagp->CWSEL[1].R = i << ((adcp->grpp->thresholds[i].adc_ch - 8U) * 4U); - } else { - adcp->adc_tagp->CWSEL[0].R = i << (adcp->grpp->thresholds[i].adc_ch * 4U); - } - - adcp->adc_tagp->CWENR[0].R = 1U << adcp->grpp->thresholds[i].adc_ch; - if (i > 4U) { - adcp->adc_tagp->THRHLR_2[i - 4U].B.THRH = adcp->grpp->thresholds[i].high_threshold_value; - } else { - adcp->adc_tagp->THRHLR[i].B.THRH = adcp->grpp->thresholds[i].high_threshold_value; - } - - /* Active interrupts.*/ - adcp->adc_tagp->WTIMR.R = 1U << (1U + i * 2U); - adcp->adc_tagp->CIMR[0].R = 1U << adcp->grpp->thresholds[i].adc_ch; - break; - case ADC_THRHLR_LOWER: - /* Sets threshold registers.*/ - if (adcp->grpp->thresholds[i].adc_ch > 7U) { - adcp->adc_tagp->CWSEL[1].R = i << ((adcp->grpp->thresholds[i].adc_ch - 8U) * 4U); - } else { - adcp->adc_tagp->CWSEL[0].R = i << (adcp->grpp->thresholds[i].adc_ch * 4U); - } - adcp->adc_tagp->CWENR[0].R = 1U << adcp->grpp->thresholds[i].adc_ch; - if (i > 4U) { - adcp->adc_tagp->THRHLR_2[i - 4U].B.THRH = adcp->grpp->thresholds[i].high_threshold_value; - } else { - adcp->adc_tagp->THRHLR[i].B.THRH = adcp->grpp->thresholds[i].high_threshold_value; - } - - /* Active interrupts.*/ - adcp->adc_tagp->WTIMR.R = 1U << (i * 2U); - adcp->adc_tagp->CIMR[0].R = 1U << adcp->grpp->thresholds[i].adc_ch; - break; - case ADC_THRHLR_BOTH_HL: - /* Sets threshold registers.*/ - if (adcp->grpp->thresholds[i].adc_ch > 7U) { - adcp->adc_tagp->CWSEL[1].R = i << ((adcp->grpp->thresholds[i].adc_ch - 8U) * 4U); - } else { - adcp->adc_tagp->CWSEL[0].R = i << (adcp->grpp->thresholds[i].adc_ch * 4U); - } - adcp->adc_tagp->CWENR[0].R = 1U << adcp->grpp->thresholds[i].adc_ch; - if (i > 4U) { - adcp->adc_tagp->THRHLR_2[i - 4U].B.THRL = adcp->grpp->thresholds[i].low_threshold_value; - adcp->adc_tagp->THRHLR_2[i - 4U].B.THRH = adcp->grpp->thresholds[i].high_threshold_value; - } else { - adcp->adc_tagp->THRHLR[i].B.THRL = adcp->grpp->thresholds[i].low_threshold_value; - adcp->adc_tagp->THRHLR[i].B.THRH = adcp->grpp->thresholds[i].high_threshold_value; - } - - /* Active interrupts.*/ - adcp->adc_tagp->WTIMR.R = (1U << (1U + i * 2U)) | (1U << (i * 2U)); - adcp->adc_tagp->CIMR[0].R = 1U << adcp->grpp->thresholds[i].adc_ch; - break; - } - } -#endif - - /* Active ADC channels for the conversion and sets the ADC DMA channels.*/ - ch_mask = ((1 << adcp->grpp->num_channels) - 1) << adcp->grpp->init_channel; - adcp->adc_tagp->NCMR[0].R = ch_mask; - adcp->adc_tagp->DMAR[0].R = ch_mask; - - /* Sets ADC conversion timing register.*/ - adcp->adc_tagp->CTR[0].R = adcp->grpp->ctr; - - /* Starting DMA channels.*/ - edmaChannelStart(adcp->adc_dma_channel); - - /* Starts conversion.*/ - adcp->adc_tagp->MCR.B.NSTART = 1U; -} - -/** - * @brief Stops an ongoing conversion. - * - * @param[in] adcp pointer to the @p ADCDriver object - * - * @notapi - */ -void adc_lld_stop_conversion(ADCDriver *adcp) { - - /* Stop DMA channel.*/ - edmaChannelStop(adcp->adc_dma_channel); - - /* Stops conversion.*/ - adcp->adc_tagp->MCR.B.NSTART = 0; - - /* Disables Interrupts and DMA.*/ - adcp->adc_tagp->WTIMR.R = 0; - adcp->adc_tagp->DMAE.R = ADC_DMAE_DMAEN; - - /* Clears all Interrupts.*/ - adcp->adc_tagp->WTISR.R = 0; -} - -#endif /* HAL_USE_ADC */ - -/** @} */ diff --git a/os/hal/platforms/SPC5xx/ADC_v1/adc_lld.h b/os/hal/platforms/SPC5xx/ADC_v1/adc_lld.h deleted file mode 100644 index da46b14ca..000000000 --- a/os/hal/platforms/SPC5xx/ADC_v1/adc_lld.h +++ /dev/null @@ -1,529 +0,0 @@ -/* - ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio - - Licensed under the Apache License, Version 2.0 (the "License"); - you may not use this file except in compliance with the License. - You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, software - distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and - limitations under the License. -*/ - -/** - * @file SPC5xx/ADC_v1/adc_lld.h - * @brief ADC Driver subsystem low level driver header. - * - * @addtogroup ADC - * @{ - */ - -#ifndef _ADC_LLD_H_ -#define _ADC_LLD_H_ - -#if HAL_USE_ADC || defined(__DOXYGEN__) - -#include "spc5_adc.h" - -/*===========================================================================*/ -/* Driver constants. */ -/*===========================================================================*/ - -/** - * @name Analog channel identifiers - * @{ - */ -#if SPC5_HAS_ADC0 || SPC5_HAS_ADC1 || defined(__DOXYGEN__) -#define ADC_CHN_AN0 0U -#define ADC_CHN_AN1 1U -#define ADC_CHN_AN2 2U -#define ADC_CHN_AN3 3U -#define ADC_CHN_AN4 4U -#define ADC_CHN_AN5 5U -#define ADC_CHN_AN6 6U -#define ADC_CHN_AN7 7U -#define ADC_CHN_AN8 8U -#define ADC_CHN_AN9 9U -#define ADC_CHN_AN10 10U -#define ADC_CHN_AN11 11U -#define ADC_CHN_AN12 12U -#define ADC_CHN_AN13 13U -#define ADC_CHN_AN14 14U -#define ADC_CHN_AN15 15U -#endif -/** @} */ - -/** - * @name ADC MCR register definitions - * @{ - */ -#define ADC_MCR_OWREN (1U << 31) -#define ADC_MCR_WLSIDE (1U << 30) -#define ADC_MCR_MODE (1U << 29) -#define ADC_MCR_NSTART (1U << 24) -#define ADC_MCR_JTRGEN (1U << 22) -#define ADC_MCR_JEDGE (1U << 21) -#define ADC_MCR_JSTART (1U << 20) -#define ADC_MCR_CTUEN (1U << 17) -#define ADC_MCR_ADCLKSEL (1U << 8) -#define ADC_MCR_ABORTCHAIN (1U << 7) -#define ADC_MCR_ABORT (1U << 6) -#define ADC_MCR_ACKO (1U << 5) -#define ADC_MCR_PWDN (1U << 0) -/** @} */ - -/** - * @name ADC MSR register definitions - * @{ - */ -#define ADC_MSR_NSTART (1U << 24) -#define ADC_MSR_JABORT (1U << 23) -#define ADC_MSR_JSTART (1U << 20) -#define ADC_MSR_CTUSTART (1U << 16) -#define ADC_MSR_CHADDR (1U << 9) -#define ADC_MSR_ACKO (1U << 5) -#define ADC_MSR_ADCSTATUS (1U << 0) -/** @} */ - -/** - * @name ADC ISR register definitions - * @{ - */ -#define ADC_ISR_EOCTU (1U << 4) -#define ADC_ISR_JEOC (1U << 3) -#define ADC_ISR_JECH (1U << 2) -#define ADC_ISR_EOC (1U << 1) -#define ADC_ISR_ECH (1U << 0) -/** @} */ - -/** - * @name ADC IMR register definitions - * @{ - */ -#define ADC_IMR_MSKEOCTU (1U << 4) -#define ADC_IMR_MSKJEOC (1U << 3) -#define ADC_IMR_MSKJECH (1U << 2) -#define ADC_IMR_MSKEOC (1U << 1) -#define ADC_IMR_MSKECH (1U << 0) -/** @} */ - -/** - * @name ADC DMAE register definitions - * @{ - */ -#define ADC_DMAE_DCLR (1U << 1) -#define ADC_DMAE_DMAEN (1U << 0) -/** @} */ - -/** - * @name ADC CDR register definitions - * @{ - */ -#define ADC_CDR_VALID (1U << 19) -#define ADC_CDR_OVERW (1U << 18) -#define ADC_CDR_RESULT (1U << 16) -#define ADC_CDR_CDATA_LEFT (1U << 6) -#define ADC_CDR_CDATA_RIGHT (1U << 0) -/** @} */ - -/** - * @name ADC Wathdog ISR definitions - * @{ - */ -#define ADC_ISR_AWD3_HT (1U << 7) -#define ADC_ISR_AWD2_HT (1U << 6) -#define ADC_ISR_AWD1_HT (1U << 5) -#define ADC_ISR_AWD0_HT (1U << 4) -#define ADC_ISR_AWD3_LT (1U << 3) -#define ADC_ISR_AWD2_LT (1U << 2) -#define ADC_ISR_AWD1_LT (1U << 1) -#define ADC_ISR_AWD0_LT (1U << 0) -/** @} */ - - -/*===========================================================================*/ -/* Driver pre-compile time settings. */ -/*===========================================================================*/ - -/** - * @name Configuration options - * @{ - */ -#if SPC5_HAS_ADC0 || defined(__DOXYGEN__) -/** - * @brief ADCD1 driver enable switch. - * @details If set to @p TRUE the support for ADC0 is included. - * @note The default is @p FALSE. - */ -#if !defined(SPC5_ADC_USE_ADC0) || defined(__DOXYGEN__) -#define SPC5_ADC_USE_ADC0 FALSE -#endif - -/** - * @brief ADC0 EOC interrupt priority level setting. - */ -#if !defined(SPC5_ADC_ADC0_EOC_PRIORITY) || defined(__DOXYGEN__) -#define SPC5_ADC_ADC0_EOC_PRIORITY 12 -#endif - -/** - * @brief ADC0 ER interrupt priority level setting. - */ -#if !defined(SPC5_ADC_ADC0_ER_PRIORITY) || defined(__DOXYGEN__) -#define SPC5_ADC_ADC0_ER_PRIORITY 12 -#endif - -/** - * @brief ADC0 WD interrupt priority level setting. - */ -#if !defined(SPC5_ADC_ADC0_WD_PRIORITY) || defined(__DOXYGEN__) -#define SPC5_ADC_ADC0_WD_PRIORITY 12 -#endif - -/** - * @brief ADC0 DMA IRQ priority. - */ -#if !defined(SPC5_ADC_ADC0_DMA_IRQ_PRIO) || defined(__DOXYGEN__) -#define SPC5_ADC_ADC0_DMA_IRQ_PRIO 12 -#endif - -/** - * @brief ADC0 peripheral configuration when started. - * @note The default configuration is 1 (always run) in run mode and - * 2 (only halt) in low power mode. The defaults of the run modes - * are defined in @p hal_lld.h. - */ -#if !defined(SPC5_ADC_ADC0_START_PCTL) || defined(__DOXYGEN__) -#define SPC5_ADC_ADC0_START_PCTL (SPC5_ME_PCTL_RUN(1) | \ - SPC5_ME_PCTL_LP(2)) -#endif - -/** - * @brief ADC0 peripheral configuration when stopped. - * @note The default configuration is 0 (never run) in run mode and - * 0 (never run) in low power mode. The defaults of the run modes - * are defined in @p hal_lld.h. - */ -#if !defined(SPC5_ADC_ADC0_STOP_PCTL) || defined(__DOXYGEN__) -#define SPC5_ADC_ADC0_STOP_PCTL (SPC5_ME_PCTL_RUN(0) | \ - SPC5_ME_PCTL_LP(0)) -#endif -#endif - -#if SPC5_HAS_ADC1 || defined(__DOXYGEN__) -/** - * @brief ADCD2 driver enable switch. - * @details If set to @p TRUE the support for ADC1 is included. - * @note The default is @p FALSE. - */ -#if !defined(SPC5_ADC_USE_ADC1) || defined(__DOXYGEN__) -#define SPC5_ADC_USE_ADC1 FALSE -#endif - -/** - * @brief ADC1 EOC interrupt priority level setting. - */ -#if !defined(SPC5_ADC_ADC1_EOC_PRIORITY) || defined(__DOXYGEN__) -#define SPC5_ADC_ADC1_EOC_PRIORITY 12 -#endif - -/** - * @brief ADC1 ER interrupt priority level setting. - */ -#if !defined(SPC5_ADC_ADC1_ER_PRIORITY) || defined(__DOXYGEN__) -#define SPC5_ADC_ADC1_ER_PRIORITY 12 -#endif - -/** - * @brief ADC1 WD interrupt priority level setting. - */ -#if !defined(SPC5_ADC_ADC1_WD_PRIORITY) || defined(__DOXYGEN__) -#define SPC5_ADC_ADC1_WD_PRIORITY 12 -#endif - -/** - * @brief ADC1 DMA IRQ priority. - */ -#if !defined(SPC5_ADC_ADC1_DMA_IRQ_PRIO) || defined(__DOXYGEN__) -#define SPC5_ADC_ADC1_DMA_IRQ_PRIO 12 -#endif - -/** - * @brief ADC1 peripheral configuration when started. - * @note The default configuration is 1 (always run) in run mode and - * 2 (only halt) in low power mode. The defaults of the run modes - * are defined in @p hal_lld.h. - */ -#if !defined(SPC5_ADC_ADC1_START_PCTL) || defined(__DOXYGEN__) -#define SPC5_ADC_ADC1_START_PCTL (SPC5_ME_PCTL_RUN(1) | \ - SPC5_ME_PCTL_LP(2)) -#endif - -/** - * @brief ADC1 peripheral configuration when stopped. - * @note The default configuration is 0 (never run) in run mode and - * 0 (never run) in low power mode. The defaults of the run modes - * are defined in @p hal_lld.h. - */ -#if !defined(SPC5_ADC_ADC1_STOP_PCTL) || defined(__DOXYGEN__) -#define SPC5_ADC_ADC1_STOP_PCTL (SPC5_ME_PCTL_RUN(0) | \ - SPC5_ME_PCTL_LP(0)) -#endif -#endif -/** @} */ - -/*===========================================================================*/ -/* Derived constants and error checks. */ -/*===========================================================================*/ - -#if !SPC5_HAS_ADC0 -#error "ADC0 not present in the selected device" -#endif - -#if !SPC5_HAS_ADC1 -#error "ADC1 not present in the selected device" -#endif - -#if !SPC5_ADC_USE_ADC0 && !SPC5_ADC_USE_ADC1 -#error "ADC driver activated but no ADC peripheral assigned" -#endif - -/*===========================================================================*/ -/* Driver data structures and types. */ -/*===========================================================================*/ - -/** - * @brief ADC clock frequency. - */ -typedef enum { - HALF_PERIPHERAL_SET_CLOCK_FREQUENCY = 0, /**< ADC clock frequency is half Peripheral Set Clock frequency. */ - PERIPHERAL_SET_CLOCK_FREQUENCY = 1 /**< ADC clock frequency is equal to Peripheral Set Clock frequency. */ -} adc_clock; - -/** - * @brief ADC thresholds. - */ -typedef enum { - ADC_THRHLR_DISABLED = 0, /**< Watchdog threshold disabled. */ - ADC_THRHLR_HIGHER = 1, /**< Watchdog higher threshold enabled. */ - ADC_THRHLR_LOWER = 2, /**< Watchdog lower threshold enabled. */ - ADC_THRHLR_BOTH_HL = 3, /**< Watchdog higher and lower thresholds enabled.*/ - -} adcthrhlr_t; - -/** - * @brief ADC sample data type. - */ -typedef uint16_t adcsample_t; - -/** - * @brief Channels number in a conversion group. - */ -typedef uint16_t adc_channels_num_t; - -/** - * @brief Possible ADC failure causes. - * @note Error codes are architecture dependent and should not relied - * upon. - */ -typedef enum { - ADC_ERR_DMAFAILURE = 0, /**< DMA operations failure. */ - ADC_ERR_AWD0_HT = 1, /**< Watchdog 0 triggered Higher Threshold. */ - ADC_ERR_AWD0_LT = 2, /**< Watchdog 0 triggered Lower Threshold. */ - ADC_ERR_AWD1_HT = 3, /**< Watchdog 1 triggered Higher Threshold. */ - ADC_ERR_AWD1_LT = 4, /**< Watchdog 1 triggered Lower Threshold. */ - ADC_ERR_AWD2_HT = 5, /**< Watchdog 2 triggered Higher Threshold. */ - ADC_ERR_AWD2_LT = 6, /**< Watchdog 2 triggered Lower Threshold. */ - ADC_ERR_AWD3_HT = 7, /**< Watchdog 3 triggered Higher Threshold. */ - ADC_ERR_AWD3_LT = 8, /**< Watchdog 3 triggered Lower Threshold. */ - -} adcerror_t; - -/** - * @brief Type of a structure representing an ADC driver. - */ -typedef struct ADCDriver ADCDriver; - -/** - * @brief ADC notification callback type. - * - * @param[in] adcp pointer to the @p ADCDriver object triggering the - * callback - * @param[in] buffer pointer to the most recent samples data - * @param[in] n number of buffer rows available starting from @p buffer - */ -typedef void (*adccallback_t)(ADCDriver *adcp, adcsample_t *buffer, size_t n); - -/** - * @brief ADC error callback type. - * - * @param[in] adcp pointer to the @p ADCDriver object triggering the - * callback - * @param[in] err ADC error code - */ -typedef void (*adcerrorcallback_t)(ADCDriver *adcp, adcerror_t err); - -/** - * @brief ADC threshold structure. - */ -typedef struct { - /** - * @brief ADC channel watchdog mode selection. - */ - adcthrhlr_t threshold_mode; - /** - * @brief ADC channel selection. - */ - uint16_t adc_ch; - /** - * @brief ADC channel high threshold value. - */ - uint16_t high_threshold_value; - /** - * @brief ADC channel low threshold value. - */ - uint16_t low_threshold_value; -} ADCThrhlr; - -/** - * @brief Conversion group configuration structure. - * @details This implementation-dependent structure describes a conversion - * operation. - * @note Implementations may extend this structure to contain more, - * architecture dependent, fields. - */ -typedef struct { - /** - * @brief Enables the circular buffer mode for the group. - */ - bool_t circular; - /** - * @brief Number of the analog channels belonging to the conversion group. - */ - adc_channels_num_t num_channels; - /** - * @brief Callback function associated to the group or @p NULL. - */ - adccallback_t end_cb; - /** - * @brief Error callback or @p NULL. - */ - adcerrorcallback_t error_cb; - /* End of the mandatory fields.*/ - /** - * @brief ADC Threshold configuration data. - */ -#if SPC5_ADC_NTRESHOLD == 4 - ADCThrhlr thresholds[4]; -#elif SPC5_ADC_NTRESHOLD == 16 - ADCThrhlr thresholds[16]; -#endif - /** - * @brief ADC CTR0 register initialization data. - */ - uint32_t ctr; - /** - * @brief Only the conversion of contiguous channels is implemented. - * Specify initial and final conversion channels. - */ - /** - * @brief ADC Initial conversion channel. - */ - uint32_t init_channel; -} ADCConversionGroup; - -/** - * @brief Driver configuration structure. - * @note Empty in this implementation can be ignored. - */ -typedef struct { - uint32_t dummy; -} ADCConfig; - -/** - * @brief Structure representing an ADC driver. - */ -struct ADCDriver { - /** - * @brief Driver state. - */ - adcstate_t state; - /** - * @brief Current configuration data. - */ - const ADCConfig *config; - /** - * @brief Current samples buffer pointer or @p NULL. - */ - adcsample_t *samples; - /** - * @brief Current samples buffer depth or @p 0. - */ - size_t depth; - /** - * @brief Current conversion group pointer or @p NULL. - */ - const ADCConversionGroup *grpp; -#if ADC_USE_WAIT || defined(__DOXYGEN__) - /** - * @brief Waiting thread. - */ - thread_reference_t thread; -#endif -#if ADC_USE_MUTUAL_EXCLUSION || defined(__DOXYGEN__) - /** - * @brief Mutex protecting the peripheral. - */ - mutex_t mutex; -#endif /* ADC_USE_MUTUAL_EXCLUSION */ -#if defined(ADC_DRIVER_EXT_FIELDS) - ADC_DRIVER_EXT_FIELDS -#endif - /* End of the mandatory fields.*/ - /** - * @brief EDMA channel used for the ADC. - */ - edma_channel_t adc_dma_channel; - /** - * @brief Pointer to the ADCx registers block. - */ - volatile struct spc5_adc *adc_tagp; -}; - -/*===========================================================================*/ -/* Driver macros. */ -/*===========================================================================*/ - -/*===========================================================================*/ -/* External declarations. */ -/*===========================================================================*/ - -#if SPC5_ADC_USE_ADC0 && !defined(__DOXYGEN__) -extern ADCDriver ADCD1; -#endif - -#if SPC5_ADC_USE_ADC1 && !defined(__DOXYGEN__) -extern ADCDriver ADCD2; -#endif - -#ifdef __cplusplus -extern "C" { -#endif - void adc_lld_init(void); - void adc_lld_start(ADCDriver *adcp); - void adc_lld_stop(ADCDriver *adcp); - void adc_lld_start_conversion(ADCDriver *adcp); - void adc_lld_stop_conversion(ADCDriver *adcp); -#ifdef __cplusplus -} -#endif - -#endif /* HAL_USE_ADC */ - -#endif /* _ADC_LLD_H_ */ - -/** @} */