mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
synced 2025-10-21 08:09:13 +00:00
ChibiOS 2.6.8, until I can figure out where to get it from git.
This commit is contained in:
Jared Boone
426
firmware/chibios/os/hal/platforms/SPC5xx/LINFlex_v1/serial_lld.c
Executable file
426
firmware/chibios/os/hal/platforms/SPC5xx/LINFlex_v1/serial_lld.c
Executable file
@@ -0,0 +1,426 @@
|
||||
/*
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SPC5 HAL - Copyright (C) 2013 STMicroelectronics
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||||
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||||
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.
|
||||
*/
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||||
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||||
/**
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* @file SPC5xx/LINFlex_v1/serial_lld.c
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* @brief SPC5xx low level serial driver code.
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*
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* @addtogroup SERIAL
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* @{
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*/
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#include "ch.h"
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#include "hal.h"
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#if HAL_USE_SERIAL || defined(__DOXYGEN__)
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/*===========================================================================*/
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||||
/* Driver exported variables. */
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/*===========================================================================*/
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||||
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/**
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* @brief LIINFlex-0 serial driver identifier.
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*/
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#if SPC5_SERIAL_USE_LINFLEX0 || defined(__DOXYGEN__)
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SerialDriver SD1;
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#endif
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/**
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* @brief LIINFlex-1 serial driver identifier.
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*/
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#if SPC5_SERIAL_USE_LINFLEX1 || defined(__DOXYGEN__)
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SerialDriver SD2;
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#endif
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/**
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* @brief LIINFlex-2 serial driver identifier.
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*/
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#if SPC5_SERIAL_USE_LINFLEX2 || defined(__DOXYGEN__)
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SerialDriver SD3;
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#endif
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/**
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* @brief LIINFlex-3 serial driver identifier.
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*/
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#if SPC5_SERIAL_USE_LINFLEX3 || defined(__DOXYGEN__)
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SerialDriver SD4;
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#endif
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/*===========================================================================*/
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/* Driver local variables and types. */
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/*===========================================================================*/
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/**
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* @brief Driver default configuration.
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*/
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static const SerialConfig default_config = {
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SERIAL_DEFAULT_BITRATE,
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SD_MODE_8BITS_PARITY_NONE
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};
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/*===========================================================================*/
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/* Driver local functions. */
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/*===========================================================================*/
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/**
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* @brief LINFlex initialization.
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* @details This function must be invoked with interrupts disabled.
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*
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* @param[in] sdp pointer to a @p SerialDriver object
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* @param[in] config the architecture-dependent serial driver configuration
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*/
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static void spc5_linflex_init(SerialDriver *sdp, const SerialConfig *config) {
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uint32_t div;
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volatile struct LINFLEX_tag *linflexp = sdp->linflexp;
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/* Enters the configuration mode.*/
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linflexp->LINCR1.R = 1; /* INIT bit. */
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/* Configures the LINFlex in UART mode with all the required
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parameters.*/
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linflexp->UARTCR.R = SPC5_UARTCR_UART; /* UART mode FIRST. */
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linflexp->UARTCR.R = SPC5_UARTCR_UART | SPC5_UARTCR_RXEN | config->mode;
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div = SPC5_LINFLEX0_CLK / config->speed;
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linflexp->LINFBRR.R = (uint16_t)(div & 15); /* Fractional divider. */
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linflexp->LINIBRR.R = (uint16_t)(div >> 4); /* Integer divider. */
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linflexp->UARTSR.R = 0xFFFF; /* Clearing UARTSR register.*/
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linflexp->LINIER.R = SPC5_LINIER_DTIE | SPC5_LINIER_DRIE |
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SPC5_LINIER_BOIE | SPC5_LINIER_FEIE |
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SPC5_LINIER_SZIE; /* Interrupts enabled. */
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/* Leaves the configuration mode.*/
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linflexp->LINCR1.R = 0;
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}
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/**
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* @brief LINFlex de-initialization.
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* @details This function must be invoked with interrupts disabled.
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*
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* @param[in] linflexp pointer to a LINFlex I/O block
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||||
*/
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static void spc5_linflex_deinit(volatile struct LINFLEX_tag *linflexp) {
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/* Enters the configuration mode.*/
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linflexp->LINCR1.R = 1; /* INIT bit. */
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/* Resets the LINFlex registers.*/
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linflexp->LINFBRR.R = 0; /* Fractional divider. */
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linflexp->LINIBRR.R = 0; /* Integer divider. */
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linflexp->UARTSR.R = 0xFFFF; /* Clearing UARTSR register.*/
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linflexp->UARTCR.R = SPC5_UARTCR_UART;
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linflexp->LINIER.R = 0; /* Interrupts disabled. */
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/* Leaves the configuration mode.*/
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linflexp->LINCR1.R = 0;
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}
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/**
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* @brief Common RXI IRQ handler.
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*
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* @param[in] sdp pointer to a @p SerialDriver object
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*/
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static void spc5xx_serve_rxi_interrupt(SerialDriver *sdp) {
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flagsmask_t sts = 0;
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uint16_t sr = sdp->linflexp->UARTSR.R;
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sdp->linflexp->UARTSR.R = SPC5_UARTSR_NF | SPC5_UARTSR_DRF |
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SPC5_UARTSR_PE0;
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if (sr & SPC5_UARTSR_NF)
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sts |= SD_NOISE_ERROR;
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if (sr & SPC5_UARTSR_PE0)
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sts |= SD_PARITY_ERROR;
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chSysLockFromIsr();
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if (sts)
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chnAddFlagsI(sdp, sts);
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if (sr & SPC5_UARTSR_DRF) {
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sdIncomingDataI(sdp, sdp->linflexp->BDRM.B.DATA4);
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sdp->linflexp->UARTSR.R = SPC5_UARTSR_RMB;
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}
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chSysUnlockFromIsr();
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}
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/**
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* @brief Common TXI IRQ handler.
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*
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* @param[in] sdp pointer to a @p SerialDriver object
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*/
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static void spc5xx_serve_txi_interrupt(SerialDriver *sdp) {
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msg_t b;
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sdp->linflexp->UARTSR.R = SPC5_UARTSR_DTF;
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chSysLockFromIsr();
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b = chOQGetI(&sdp->oqueue);
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if (b < Q_OK) {
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chnAddFlagsI(sdp, CHN_OUTPUT_EMPTY);
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sdp->linflexp->UARTCR.B.TXEN = 0;
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}
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else
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sdp->linflexp->BDRL.B.DATA0 = b;
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chSysUnlockFromIsr();
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}
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/**
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* @brief Common ERR IRQ handler.
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*
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* @param[in] sdp pointer to a @p SerialDriver object
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*/
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static void spc5xx_serve_err_interrupt(SerialDriver *sdp) {
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flagsmask_t sts = 0;
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uint16_t sr = sdp->linflexp->UARTSR.R;
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sdp->linflexp->UARTSR.R = SPC5_UARTSR_BOF | SPC5_UARTSR_FEF |
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SPC5_UARTSR_SZF;
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if (sr & SPC5_UARTSR_BOF)
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sts |= SD_OVERRUN_ERROR;
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if (sr & SPC5_UARTSR_FEF)
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sts |= SD_FRAMING_ERROR;
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if (sr & SPC5_UARTSR_SZF)
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sts |= SD_BREAK_DETECTED;
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chSysLockFromIsr();
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chnAddFlagsI(sdp, sts);
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chSysUnlockFromIsr();
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}
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#if SPC5_SERIAL_USE_LINFLEX0 || defined(__DOXYGEN__)
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static void notify1(GenericQueue *qp) {
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(void)qp;
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if (!SD1.linflexp->UARTCR.B.TXEN) {
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msg_t b = sdRequestDataI(&SD1);
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if (b != Q_EMPTY) {
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SD1.linflexp->UARTCR.B.TXEN = 1;
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SD1.linflexp->BDRL.B.DATA0 = b;
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}
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}
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}
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#endif
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#if SPC5_SERIAL_USE_LINFLEX1 || defined(__DOXYGEN__)
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static void notify2(GenericQueue *qp) {
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(void)qp;
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if (!SD2.linflexp->UARTCR.B.TXEN) {
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msg_t b = sdRequestDataI(&SD2);
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if (b != Q_EMPTY) {
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SD2.linflexp->UARTCR.B.TXEN = 1;
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SD2.linflexp->BDRL.B.DATA0 = b;
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}
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}
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}
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#endif
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/*===========================================================================*/
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/* Driver interrupt handlers. */
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/*===========================================================================*/
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#if SPC5_SERIAL_USE_LINFLEX0 || defined(__DOXYGEN__)
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#if !defined(SPC5_LINFLEX0_RXI_HANDLER)
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#error "SPC5_LINFLEX0_RXI_HANDLER not defined"
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#endif
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/**
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* @brief LINFlex-0 RXI interrupt handler.
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*
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* @isr
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*/
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CH_IRQ_HANDLER(SPC5_LINFLEX0_RXI_HANDLER) {
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CH_IRQ_PROLOGUE();
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spc5xx_serve_rxi_interrupt(&SD1);
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CH_IRQ_EPILOGUE();
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}
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#if !defined(SPC5_LINFLEX0_TXI_HANDLER)
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#error "SPC5_LINFLEX0_TXI_HANDLER not defined"
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#endif
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/**
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* @brief LINFlex-0 TXI interrupt handler.
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*
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* @isr
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*/
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CH_IRQ_HANDLER(SPC5_LINFLEX0_TXI_HANDLER) {
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CH_IRQ_PROLOGUE();
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spc5xx_serve_txi_interrupt(&SD1);
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CH_IRQ_EPILOGUE();
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}
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#if !defined(SPC5_LINFLEX0_ERR_HANDLER)
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#error "SPC5_LINFLEX0_ERR_HANDLER not defined"
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#endif
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/**
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* @brief LINFlex-0 ERR interrupt handler.
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*
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* @isr
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*/
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CH_IRQ_HANDLER(SPC5_LINFLEX0_ERR_HANDLER) {
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CH_IRQ_PROLOGUE();
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spc5xx_serve_err_interrupt(&SD1);
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CH_IRQ_EPILOGUE();
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}
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#endif
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#if SPC5_SERIAL_USE_LINFLEX1 || defined(__DOXYGEN__)
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#if !defined(SPC5_LINFLEX1_RXI_HANDLER)
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#error "SPC5_LINFLEX1_RXI_HANDLER not defined"
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#endif
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/**
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* @brief LINFlex-1 RXI interrupt handler.
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*
|
||||
* @isr
|
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*/
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CH_IRQ_HANDLER(SPC5_LINFLEX1_RXI_HANDLER) {
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CH_IRQ_PROLOGUE();
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spc5xx_serve_rxi_interrupt(&SD2);
|
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|
||||
CH_IRQ_EPILOGUE();
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}
|
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#if !defined(SPC5_LINFLEX1_TXI_HANDLER)
|
||||
#error "SPC5_LINFLEX1_TXI_HANDLER not defined"
|
||||
#endif
|
||||
/**
|
||||
* @brief LINFlex-1 TXI interrupt handler.
|
||||
*
|
||||
* @isr
|
||||
*/
|
||||
CH_IRQ_HANDLER(SPC5_LINFLEX1_TXI_HANDLER) {
|
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|
||||
CH_IRQ_PROLOGUE();
|
||||
|
||||
spc5xx_serve_txi_interrupt(&SD2);
|
||||
|
||||
CH_IRQ_EPILOGUE();
|
||||
}
|
||||
|
||||
#if !defined(SPC5_LINFLEX1_ERR_HANDLER)
|
||||
#error "SPC5_LINFLEX1_ERR_HANDLER not defined"
|
||||
#endif
|
||||
/**
|
||||
* @brief LINFlex-1 ERR interrupt handler.
|
||||
*
|
||||
* @isr
|
||||
*/
|
||||
CH_IRQ_HANDLER(SPC5_LINFLEX1_ERR_HANDLER) {
|
||||
|
||||
CH_IRQ_PROLOGUE();
|
||||
|
||||
spc5xx_serve_err_interrupt(&SD2);
|
||||
|
||||
CH_IRQ_EPILOGUE();
|
||||
}
|
||||
#endif
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Driver exported functions. */
|
||||
/*===========================================================================*/
|
||||
|
||||
/**
|
||||
* @brief Low level serial driver initialization.
|
||||
*
|
||||
* @notapi
|
||||
*/
|
||||
void sd_lld_init(void) {
|
||||
|
||||
#if SPC5_SERIAL_USE_LINFLEX0
|
||||
sdObjectInit(&SD1, NULL, notify1);
|
||||
SD1.linflexp = &LINFLEX_0;
|
||||
INTC.PSR[SPC5_LINFLEX0_RXI_NUMBER].R = SPC5_SERIAL_LINFLEX0_PRIORITY;
|
||||
INTC.PSR[SPC5_LINFLEX0_TXI_NUMBER].R = SPC5_SERIAL_LINFLEX0_PRIORITY;
|
||||
INTC.PSR[SPC5_LINFLEX0_ERR_NUMBER].R = SPC5_SERIAL_LINFLEX0_PRIORITY;
|
||||
#endif
|
||||
|
||||
#if SPC5_SERIAL_USE_LINFLEX1
|
||||
sdObjectInit(&SD2, NULL, notify2);
|
||||
SD2.linflexp = &LINFLEX_1;
|
||||
INTC.PSR[SPC5_LINFLEX1_RXI_NUMBER].R = SPC5_SERIAL_LINFLEX1_PRIORITY;
|
||||
INTC.PSR[SPC5_LINFLEX1_TXI_NUMBER].R = SPC5_SERIAL_LINFLEX1_PRIORITY;
|
||||
INTC.PSR[SPC5_LINFLEX1_ERR_NUMBER].R = SPC5_SERIAL_LINFLEX1_PRIORITY;
|
||||
#endif
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Low level serial driver configuration and (re)start.
|
||||
*
|
||||
* @param[in] sdp pointer to a @p SerialDriver object
|
||||
* @param[in] config the architecture-dependent serial driver configuration.
|
||||
* If this parameter is set to @p NULL then a default
|
||||
* configuration is used.
|
||||
*
|
||||
* @notapi
|
||||
*/
|
||||
void sd_lld_start(SerialDriver *sdp, const SerialConfig *config) {
|
||||
|
||||
if (config == NULL)
|
||||
config = &default_config;
|
||||
|
||||
if (sdp->state == SD_STOP) {
|
||||
#if SPC5_SERIAL_USE_LINFLEX0
|
||||
if (&SD1 == sdp) {
|
||||
halSPCSetPeripheralClockMode(SPC5_LINFLEX0_PCTL,
|
||||
SPC5_SERIAL_LINFLEX0_START_PCTL);
|
||||
}
|
||||
#endif
|
||||
#if SPC5_SERIAL_USE_LINFLEX1
|
||||
if (&SD2 == sdp) {
|
||||
halSPCSetPeripheralClockMode(SPC5_LINFLEX1_PCTL,
|
||||
SPC5_SERIAL_LINFLEX1_START_PCTL);
|
||||
}
|
||||
#endif
|
||||
}
|
||||
spc5_linflex_init(sdp, config);
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Low level serial driver stop.
|
||||
*
|
||||
* @param[in] sdp pointer to a @p SerialDriver object
|
||||
*
|
||||
* @notapi
|
||||
*/
|
||||
void sd_lld_stop(SerialDriver *sdp) {
|
||||
|
||||
if (sdp->state == SD_READY) {
|
||||
spc5_linflex_deinit(sdp->linflexp);
|
||||
|
||||
#if SPC5_SERIAL_USE_LINFLEX0
|
||||
if (&SD1 == sdp) {
|
||||
halSPCSetPeripheralClockMode(SPC5_LINFLEX0_PCTL,
|
||||
SPC5_SERIAL_LINFLEX0_STOP_PCTL);
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
#if SPC5_SERIAL_USE_LINFLEX1
|
||||
if (&SD2 == sdp) {
|
||||
halSPCSetPeripheralClockMode(SPC5_LINFLEX1_PCTL,
|
||||
SPC5_SERIAL_LINFLEX1_STOP_PCTL);
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
#endif /* HAL_USE_SERIAL */
|
||||
|
||||
/** @} */
|
||||
278
firmware/chibios/os/hal/platforms/SPC5xx/LINFlex_v1/serial_lld.h
Executable file
278
firmware/chibios/os/hal/platforms/SPC5xx/LINFlex_v1/serial_lld.h
Executable file
@@ -0,0 +1,278 @@
|
||||
/*
|
||||
SPC5 HAL - Copyright (C) 2013 STMicroelectronics
|
||||
|
||||
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/LINFlex_v1/serial_lld.h
|
||||
* @brief SPC5xx low level serial driver header.
|
||||
*
|
||||
* @addtogroup SERIAL
|
||||
* @{
|
||||
*/
|
||||
|
||||
#ifndef _SERIAL_LLD_H_
|
||||
#define _SERIAL_LLD_H_
|
||||
|
||||
#if HAL_USE_SERIAL || defined(__DOXYGEN__)
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Driver constants. */
|
||||
/*===========================================================================*/
|
||||
|
||||
/**
|
||||
* @name LINIER register bits definitions
|
||||
* @{
|
||||
*/
|
||||
#define SPC5_LINIER_HRIE (1U << 0)
|
||||
#define SPC5_LINIER_DTIE (1U << 1)
|
||||
#define SPC5_LINIER_DRIE (1U << 2)
|
||||
#define SPC5_LINIER_DBEIE (1U << 3)
|
||||
#define SPC5_LINIER_DBFIE (1U << 4)
|
||||
#define SPC5_LINIER_WUIE (1U << 5)
|
||||
#define SPC5_LINIER_LSIE (1U << 6)
|
||||
#define SPC5_LINIER_BOIE (1U << 7)
|
||||
#define SPC5_LINIER_FEIE (1U << 8)
|
||||
#define SPC5_LINIER_HEIE (1U << 11)
|
||||
#define SPC5_LINIER_CEIE (1U << 12)
|
||||
#define SPC5_LINIER_BEIE (1U << 13)
|
||||
#define SPC5_LINIER_OCIE (1U << 14)
|
||||
#define SPC5_LINIER_SZIE (1U << 15)
|
||||
/** @} */
|
||||
|
||||
/**
|
||||
* @name UARTSR register bits definitions
|
||||
* @{
|
||||
*/
|
||||
#define SPC5_UARTSR_NF (1U << 0)
|
||||
#define SPC5_UARTSR_DTF (1U << 1)
|
||||
#define SPC5_UARTSR_DRF (1U << 2)
|
||||
#define SPC5_UARTSR_WUF (1U << 5)
|
||||
#define SPC5_UARTSR_RPS (1U << 6)
|
||||
#define SPC5_UARTSR_BOF (1U << 7)
|
||||
#define SPC5_UARTSR_FEF (1U << 8)
|
||||
#define SPC5_UARTSR_RMB (1U << 9)
|
||||
#define SPC5_UARTSR_PE0 (1U << 10)
|
||||
#define SPC5_UARTSR_PE1 (1U << 11)
|
||||
#define SPC5_UARTSR_PE2 (1U << 12)
|
||||
#define SPC5_UARTSR_PE3 (1U << 13)
|
||||
#define SPC5_UARTSR_OCF (1U << 14)
|
||||
#define SPC5_UARTSR_SZF (1U << 15)
|
||||
/** @} */
|
||||
|
||||
/**
|
||||
* @name UARTCR register bits definitions
|
||||
* @{
|
||||
*/
|
||||
#define SPC5_UARTCR_UART (1U << 0)
|
||||
#define SPC5_UARTCR_WL (1U << 1)
|
||||
#define SPC5_UARTCR_PCE (1U << 2)
|
||||
#define SPC5_UARTCR_OP (1U << 3)
|
||||
#define SPC5_UARTCR_TXEN (1U << 4)
|
||||
#define SPC5_UARTCR_RXEN (1U << 5)
|
||||
/** @} */
|
||||
|
||||
/**
|
||||
* @name Serial driver allowable modes
|
||||
* @{
|
||||
*/
|
||||
#define SD_MODE_8BITS_PARITY_NONE (SPC5_UARTCR_WL)
|
||||
#define SD_MODE_8BITS_PARITY_EVEN (SPC5_UARTCR_WL | \
|
||||
SPC5_UARTCR_PCE)
|
||||
#define SD_MODE_8BITS_PARITY_ODD (SPC5_UARTCR_WL | \
|
||||
SPC5_UARTCR_PCE | \
|
||||
SPC5_UARTCR_OP)
|
||||
/** @} */
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Driver pre-compile time settings. */
|
||||
/*===========================================================================*/
|
||||
|
||||
/**
|
||||
* @brief LINFlex-0 driver enable switch.
|
||||
* @details If set to @p TRUE the support for LINFlex-0 is included.
|
||||
*/
|
||||
#if !defined(SPC5_SERIAL_USE_LINFLEX0) || defined(__DOXYGEN__)
|
||||
#define SPC5_SERIAL_USE_LINFLEX0 TRUE
|
||||
#endif
|
||||
|
||||
/**
|
||||
* @brief LINFlex-1 driver enable switch.
|
||||
* @details If set to @p TRUE the support for LINFlex-1 is included.
|
||||
*/
|
||||
#if !defined(SPC5_SERIAL_USE_LINFLEX1) || defined(__DOXYGEN__)
|
||||
#define SPC5_SERIAL_USE_LINFLEX1 TRUE
|
||||
#endif
|
||||
|
||||
/**
|
||||
* @brief LINFlex-0 interrupt priority level setting.
|
||||
*/
|
||||
#if !defined(SPC5_SERIAL_LINFLEX0_PRIORITY) || defined(__DOXYGEN__)
|
||||
#define SPC5_SERIAL_LINFLEX0_PRIORITY 8
|
||||
#endif
|
||||
|
||||
/**
|
||||
* @brief LINFlex-1 interrupt priority level setting.
|
||||
*/
|
||||
#if !defined(SPC5_SERIAL_LINFLEX1_PRIORITY) || defined(__DOXYGEN__)
|
||||
#define SPC5_SERIAL_LINFLEX1_PRIORITY 8
|
||||
#endif
|
||||
|
||||
/**
|
||||
* @brief LINFlex-0 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_SERIAL_LINFLEX0_START_PCTL) || defined(__DOXYGEN__)
|
||||
#define SPC5_SERIAL_LINFLEX0_START_PCTL (SPC5_ME_PCTL_RUN(1) | \
|
||||
SPC5_ME_PCTL_LP(2))
|
||||
#endif
|
||||
|
||||
/**
|
||||
* @brief LINFlex-0 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_SERIAL_LINFLEX0_STOP_PCTL) || defined(__DOXYGEN__)
|
||||
#define SPC5_SERIAL_LINFLEX0_STOP_PCTL (SPC5_ME_PCTL_RUN(0) | \
|
||||
SPC5_ME_PCTL_LP(0))
|
||||
#endif
|
||||
|
||||
/**
|
||||
* @brief LINFlex-1 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_SERIAL_LINFLEX1_START_PCTL) || defined(__DOXYGEN__)
|
||||
#define SPC5_SERIAL_LINFLEX1_START_PCTL (SPC5_ME_PCTL_RUN(1) | \
|
||||
SPC5_ME_PCTL_LP(2))
|
||||
#endif
|
||||
|
||||
/**
|
||||
* @brief LINFlex-1 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_SERIAL_LINFLEX1_STOP_PCTL) || defined(__DOXYGEN__)
|
||||
#define SPC5_SERIAL_LINFLEX1_STOP_PCTL (SPC5_ME_PCTL_RUN(0) | \
|
||||
SPC5_ME_PCTL_LP(0))
|
||||
#endif
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Derived constants and error checks. */
|
||||
/*===========================================================================*/
|
||||
|
||||
#if SPC5_SERIAL_USE_LINFLEX0 && !SPC5_HAS_LINFLEX0
|
||||
#error "LINFlex-0 not present in the selected device"
|
||||
#endif
|
||||
|
||||
#if SPC5_SERIAL_USE_LINFLEX1 && !SPC5_HAS_LINFLEX1
|
||||
#error "LINFlex-1 not present in the selected device"
|
||||
#endif
|
||||
|
||||
#if SPC5_SERIAL_USE_LINFLEX2 && !SPC5_HAS_LINFLEX2
|
||||
#error "LINFlex-2 not present in the selected device"
|
||||
#endif
|
||||
|
||||
#if SPC5_SERIAL_USE_LINFLEX3 && !SPC5_HAS_LINFLEX3
|
||||
#error "LINFlex-3 not present in the selected device"
|
||||
#endif
|
||||
|
||||
#if !SPC5_SERIAL_USE_LINFLEX0 && !SPC5_SERIAL_USE_LINFLEX1 && \
|
||||
!SPC5_SERIAL_USE_LINFLEX2 && !SPC5_SERIAL_USE_LINFLEX3
|
||||
#error "SERIAL driver activated but no LINFlex peripheral assigned"
|
||||
#endif
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Driver data structures and types. */
|
||||
/*===========================================================================*/
|
||||
|
||||
/**
|
||||
* @brief Generic Serial Driver configuration structure.
|
||||
* @details An instance of this structure must be passed to @p sdStart()
|
||||
* in order to configure and start a serial driver operations.
|
||||
* @note This structure content is architecture dependent, each driver
|
||||
* implementation defines its own version and the custom static
|
||||
* initializers.
|
||||
*/
|
||||
typedef struct {
|
||||
/**
|
||||
* @brief Bit rate.
|
||||
*/
|
||||
uint32_t speed;
|
||||
/**
|
||||
* @brief Mode flags.
|
||||
*/
|
||||
uint8_t mode;
|
||||
} SerialConfig;
|
||||
|
||||
/**
|
||||
* @brief @p SerialDriver specific data.
|
||||
*/
|
||||
#define _serial_driver_data \
|
||||
_base_asynchronous_channel_data \
|
||||
/* Driver state.*/ \
|
||||
sdstate_t state; \
|
||||
/* Input queue.*/ \
|
||||
InputQueue iqueue; \
|
||||
/* Output queue.*/ \
|
||||
OutputQueue oqueue; \
|
||||
/* Input circular buffer.*/ \
|
||||
uint8_t ib[SERIAL_BUFFERS_SIZE]; \
|
||||
/* Output circular buffer.*/ \
|
||||
uint8_t ob[SERIAL_BUFFERS_SIZE]; \
|
||||
/* End of the mandatory fields.*/ \
|
||||
/* Pointer to the volatile LINFlex registers block.*/ \
|
||||
volatile struct LINFLEX_tag *linflexp;
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Driver macros. */
|
||||
/*===========================================================================*/
|
||||
|
||||
/*===========================================================================*/
|
||||
/* External declarations. */
|
||||
/*===========================================================================*/
|
||||
|
||||
#if SPC5_SERIAL_USE_LINFLEX0 && !defined(__DOXYGEN__)
|
||||
extern SerialDriver SD1;
|
||||
#endif
|
||||
#if SPC5_SERIAL_USE_LINFLEX1 && !defined(__DOXYGEN__)
|
||||
extern SerialDriver SD2;
|
||||
#endif
|
||||
#if SPC5_SERIAL_USE_LINFLEX2 && !defined(__DOXYGEN__)
|
||||
extern SerialDriver SD3;
|
||||
#endif
|
||||
#if SPC5_SERIAL_USE_LINFLEX3 && !defined(__DOXYGEN__)
|
||||
extern SerialDriver SD4;
|
||||
#endif
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
void sd_lld_init(void);
|
||||
void sd_lld_start(SerialDriver *sdp, const SerialConfig *config);
|
||||
void sd_lld_stop(SerialDriver *sdp);
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* HAL_USE_SERIAL */
|
||||
|
||||
#endif /* _SERIAL_LLD_H_ */
|
||||
|
||||
/** @} */
|
||||
Reference in New Issue
Block a user