git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@4717 35acf78f-673a-0410-8e92-d51de3d6d3f4
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@ -68,19 +68,4 @@ void __early_init(void) {
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*/
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void boardInit(void) {
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#if 0
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/*
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* Various initialization (temporary code).
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*/
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SIU.PCR[GPIO_LED1].R = 0x0300; /* OBE | IBE. */
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SIU.PCR[GPIO_LED2].R = 0x0300; /* OBE | IBE. */
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SIU.PCR[GPIO_LED3].R = 0x0300; /* OBE | IBE. */
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SIU.PCR[GPIO_LED4].R = 0x0300; /* OBE | IBE. */
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SIU.PCR[GPIO_BUTTON1].R = 0x0100; /* IBE. */
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SIU.PCR[GPIO_BUTTON2].R = 0x0100; /* IBE. */
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SIU.PCR[GPIO_BUTTON3].R = 0x0100; /* IBE. */
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SIU.PCR[GPIO_BUTTON4].R = 0x0100; /* IBE. */
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SIU.PCR[GPIO_SCI_A_TX].R = 0x0500; /* Primary | IBE. */
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SIU.PCR[GPIO_SCI_A_RX].R = 0x0500; /* Primary | IBE. */
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#endif
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}
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@ -37,6 +37,27 @@
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* @name SPC560Pxx capabilities
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* @{
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*/
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/* LINFlex attributes.*/
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#define SPC5_HAS_LINFLEX0 TRUE
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#define SPC5_LINFLEX0_RXI_HANDLER vector79
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#define SPC5_LINFLEX0_TXI_HANDLER vector80
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#define SPC5_LINFLEX0_ERR_HANDLER vector81
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#define SPC5_LINFLEX0_RXI_NUMBER 79
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#define SPC5_LINFLEX0_TXI_NUMBER 80
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#define SPC5_LINFLEX0_ERR_NUMBER 81
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#define SPC5_HAS_LINFLEX1 TRUE
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#define SPC5_LINFLEX1_RXI_HANDLER vector99
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#define SPC5_LINFLEX1_TXI_HANDLER vector100
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#define SPC5_LINFLEX1_ERR_HANDLER vector101
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#define SPC5_LINFLEX1_RXI_NUMBER 99
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#define SPC5_LINFLEX1_TXI_NUMBER 100
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#define SPC5_LINFLEX1_ERR_NUMBER 101
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#define SPC5_HAS_LINFLEX2 FALSE
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#define SPC5_HAS_LINFLEX3 FALSE
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/* SIU/SIUL attributes.*/
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#define SPC5_HAS_SIU FALSE
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#define SPC5_SIU_SUPPORTS_PORTS TRUE
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@ -19,8 +19,8 @@
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*/
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/**
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* @file SPC56x/serial_lld.c
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* @brief SPC563 low level serial driver code.
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* @file SPC5xx/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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@ -36,19 +36,33 @@
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/*===========================================================================*/
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/**
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* @brief eSCI-A serial driver identifier.
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* @brief LIINFlex-0 serial driver identifier.
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*/
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#if USE_SPC563_ESCIA || defined(__DOXYGEN__)
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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 eSCI-B serial driver identifier.
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* @brief LIINFlex-1 serial driver identifier.
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*/
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#if USE_SPC563_ESCIB || defined(__DOXYGEN__)
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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. */
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/*===========================================================================*/
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@ -58,7 +72,7 @@ SerialDriver SD2;
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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_NORMAL | SD_MODE_PARITY_NONE
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0
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};
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/*===========================================================================*/
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@ -66,48 +80,36 @@ static const SerialConfig default_config = {
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/*===========================================================================*/
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/**
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* @brief eSCI initialization.
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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 esci_init(SerialDriver *sdp, const SerialConfig *config) {
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volatile struct ESCI_tag *escip = sdp->escip;
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uint8_t mode = config->sc_mode;
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static void spc5_linflex_init(SerialDriver *sdp, const SerialConfig *config) {
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volatile struct LINFLEX_tag *linflexp = sdp->linflexp;
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escip->CR2.R = 0; /* MDIS off. */
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escip->CR1.R = 0;
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escip->LCR.R = 0;
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escip->CR1.B.SBR = SPC563_SYSCLK / (16 * config->sc_speed);
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if (mode & SD_MODE_LOOPBACK)
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escip->CR1.B.LOOPS = 1;
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switch (mode & SD_MODE_PARITY) {
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case SD_MODE_PARITY_ODD:
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escip->CR1.B.PT = 1;
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case SD_MODE_PARITY_EVEN:
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escip->CR1.B.PE = 1;
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escip->CR1.B.M = 1; /* Makes it 8 bits data + 1 bit parity. */
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default:
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;
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}
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escip->LPR.R = 0;
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escip->CR1.R |= 0x0000002C; /* RIE, TE, RE to 1. */
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escip->CR2.R |= 0x000F; /* ORIE, NFIE, FEIE, PFIE to 1. */
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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 UART status register. */
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linflexp->UARTCR.R = config->mode | 1;/* Enforced UART mode. */
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linflexp->LINIER.R = 0; /* Interrupts enabled. */
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}
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/**
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* @brief eSCI de-initialization.
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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] escip pointer to an eSCI I/O block
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* @param[in] linflexp pointer to a LINFlex I/O block
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*/
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static void esci_deinit(volatile struct ESCI_tag *escip) {
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static void spc5_linflex_deinit(volatile struct LINFLEX_tag *linflexp) {
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#if 0
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escip->LPR.R = 0;
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escip->SR.R = 0xFFFFFFFF;
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escip->CR1.R = 0;
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escip->CR2.R = 0x8000; /* MDIS on. */
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#endif
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}
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/**
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@ -119,6 +121,7 @@ static void esci_deinit(volatile struct ESCI_tag *escip) {
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static void set_error(SerialDriver *sdp, uint32_t sr) {
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flagsmask_t sts = 0;
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#if 0
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if (sr & 0x08000000)
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sts |= SD_OVERRUN_ERROR;
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if (sr & 0x04000000)
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@ -129,71 +132,47 @@ static void set_error(SerialDriver *sdp, uint32_t sr) {
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sts |= SD_PARITY_ERROR;
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/* if (sr & 0x00000000)
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sts |= SD_BREAK_DETECTED;*/
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#endif
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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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/**
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* @brief Common IRQ handler.
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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 serve_interrupt(SerialDriver *sdp) {
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volatile struct ESCI_tag *escip = sdp->escip;
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uint32_t sr = escip->SR.R;
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escip->SR.R = 0x3FFFFFFF; /* Does not clear TDRE | TC.*/
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if (sr & 0x0F000000) /* OR | NF | FE | PF. */
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set_error(sdp, sr);
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if (sr & 0x20000000) { /* RDRF. */
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chSysLockFromIsr();
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sdIncomingDataI(sdp, escip->DR.B.D);
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chSysUnlockFromIsr();
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}
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if (escip->CR1.B.TIE && (sr & 0x80000000)) { /* TDRE. */
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msg_t b;
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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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escip->CR1.B.TIE = 0;
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}
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else {
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ESCI_A.SR.B.TDRE = 1;
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escip->DR.R = (uint16_t)b;
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}
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chSysUnlockFromIsr();
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}
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static void spc5xx_serve_rxi_interrupt(SerialDriver *sdp) {
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}
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#if USE_SPC563_ESCIA || defined(__DOXYGEN__)
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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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}
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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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}
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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 (ESCI_A.SR.B.TDRE) {
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msg_t b = sdRequestDataI(&SD1);
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if (b != Q_EMPTY) {
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ESCI_A.SR.B.TDRE = 1;
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ESCI_A.CR1.B.TIE = 1;
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ESCI_A.DR.R = (uint16_t)b;
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}
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}
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}
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#endif
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#if USE_SPC563_ESCIB || defined(__DOXYGEN__)
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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 (ESCI_B.SR.B.TDRE) {
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msg_t b = sdRequestDataI(&SD2);
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if (b != Q_EMPTY) {
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ESCI_B.SR.B.TDRE = 1;
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ESCI_B.CR1.B.TIE = 1;
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ESCI_B.DR.R = (uint16_t)b;
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}
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}
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}
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#endif
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@ -201,33 +180,89 @@ static void notify2(GenericQueue *qp) {
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/* Driver interrupt handlers. */
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/*===========================================================================*/
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#if USE_SPC563_ESCIA || defined(__DOXYGEN__)
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#if SPC5_SERIAL_USE_LINFLEX0 || defined(__DOXYGEN__)
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/**
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* @brief eSCI-A interrupt handler.
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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(vector146) {
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CH_IRQ_HANDLER(SPC5_LINFLEX0_RXI_HANDLER) {
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CH_IRQ_PROLOGUE();
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serve_interrupt(&SD1);
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spc5xx_serve_rxi_interrupt(&SD1);
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CH_IRQ_EPILOGUE();
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}
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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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/**
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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 USE_SPC563_ESCIB || defined(__DOXYGEN__)
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#if SPC5_SERIAL_USE_LINFLEX1 || defined(__DOXYGEN__)
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/**
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* @brief eSCI-B interrupt handler.
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* @brief LINFlex-1 RXI interrupt handler.
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*
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* @isr
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*/
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CH_IRQ_HANDLER(vector149) {
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CH_IRQ_HANDLER(SPC5_LINFLEX1_RXI_HANDLER) {
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CH_IRQ_PROLOGUE();
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serve_interrupt(&SD2);
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spc5xx_serve_rxi_interrupt(&SD2);
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CH_IRQ_EPILOGUE();
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}
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/**
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* @brief LINFlex-1 TXI interrupt handler.
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*
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* @isr
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*/
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CH_IRQ_HANDLER(SPC5_LINFLEX1_TXI_HANDLER) {
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CH_IRQ_PROLOGUE();
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spc5xx_serve_txi_interrupt(&SD2);
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CH_IRQ_EPILOGUE();
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}
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/**
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* @brief LINFlex-1 ERR interrupt handler.
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*
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* @isr
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*/
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CH_IRQ_HANDLER(SPC5_LINFLEX1_ERR_HANDLER) {
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CH_IRQ_PROLOGUE();
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spc5xx_serve_err_interrupt(&SD2);
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CH_IRQ_EPILOGUE();
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}
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*/
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void sd_lld_init(void) {
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#if USE_SPC563_ESCIA
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#if SPC5_SERIAL_USE_LINFLEX0
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sdObjectInit(&SD1, NULL, notify1);
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SD1.escip = &ESCI_A;
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ESCI_A.CR2.R = 0x8000; /* MDIS ON. */
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INTC.PSR[146].R = SPC563_ESCIA_PRIORITY;
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SD1.linflexp = &LINFLEX_0;
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// ESCI_A.CR2.R = 0x8000; /* MDIS ON. */
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INTC.PSR[SPC5_LINFLEX0_RXI_NUMBER].R = SPC5_SERIAL_LINFLEX0_PRIORITY;
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INTC.PSR[SPC5_LINFLEX0_TXI_NUMBER].R = SPC5_SERIAL_LINFLEX0_PRIORITY;
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INTC.PSR[SPC5_LINFLEX0_ERR_NUMBER].R = SPC5_SERIAL_LINFLEX0_PRIORITY;
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#endif
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#if USE_SPC563_ESCIB
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#if SPC5_SERIAL_USE_LINFLEX1
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sdObjectInit(&SD2, NULL, notify2);
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SD2.escip = &ESCI_B;
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ESCI_B.CR2.R = 0x8000; /* MDIS ON. */
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INTC.PSR[149].R = SPC563_ESCIB_PRIORITY;
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SD2.linflexp = &LINFLEX_1;
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// ESCI_B.CR2.R = 0x8000; /* MDIS ON. */
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INTC.PSR[SPC5_LINFLEX1_RXI_NUMBER].R = SPC5_SERIAL_LINFLEX1_PRIORITY;
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INTC.PSR[SPC5_LINFLEX1_TXI_NUMBER].R = SPC5_SERIAL_LINFLEX1_PRIORITY;
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INTC.PSR[SPC5_LINFLEX1_ERR_NUMBER].R = SPC5_SERIAL_LINFLEX1_PRIORITY;
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#endif
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}
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@ -273,7 +312,7 @@ void sd_lld_start(SerialDriver *sdp, const SerialConfig *config) {
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if (config == NULL)
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config = &default_config;
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esci_init(sdp, config);
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spc5_linflex_init(sdp, config);
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}
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/**
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@ -286,7 +325,7 @@ void sd_lld_start(SerialDriver *sdp, const SerialConfig *config) {
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void sd_lld_stop(SerialDriver *sdp) {
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if (sdp->state == SD_READY)
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esci_deinit(sdp->escip);
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spc5_linflex_deinit(sdp->linflexp);
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}
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#endif /* HAL_USE_SERIAL */
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@ -40,41 +40,60 @@
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/*===========================================================================*/
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/**
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* @brief eSCI-A driver enable switch.
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* @details If set to @p TRUE the support for eSCI-A is included.
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* @note The default is @p TRUE.
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* @brief LINFlex-0 driver enable switch.
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* @details If set to @p TRUE the support for LINFlex-0 is included.
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*/
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#if !defined(USE_SPC563_ESCIA) || defined(__DOXYGEN__)
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#define USE_SPC563_ESCIA FALSE
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#if !defined(SPC5_SERIAL_USE_LINFLEX0) || defined(__DOXYGEN__)
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#define SPC5_SERIAL_USE_LINFLEX0 TRUE
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#endif
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/**
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* @brief eSCI-B driver enable switch.
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* @details If set to @p TRUE the support for eSCI-B is included.
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* @note The default is @p TRUE.
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* @brief LINFlex-1 driver enable switch.
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* @details If set to @p TRUE the support for LINFlex-1 is included.
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*/
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#if !defined(USE_SPC563_ESCIB) || defined(__DOXYGEN__)
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||||
#define USE_SPC563_ESCIB FALSE
|
||||
#if !defined(SPC5_SERIAL_USE_LINFLEX1) || defined(__DOXYGEN__)
|
||||
#define SPC5_SERIAL_USE_LINFLEX1 TRUE
|
||||
#endif
|
||||
|
||||
/**
|
||||
* @brief eSCI-A interrupt priority level setting.
|
||||
* @brief LINFlex-0 interrupt priority level setting.
|
||||
*/
|
||||
#if !defined(SPC563_ESCIA_PRIORITY) || defined(__DOXYGEN__)
|
||||
#define SPC563_ESCIA_PRIORITY 8
|
||||
#if !defined(SPC5_SERIAL_LINFLEX0_PRIORITY) || defined(__DOXYGEN__)
|
||||
#define SPC5_SERIAL_LINFLEX0_PRIORITY 8
|
||||
#endif
|
||||
|
||||
/**
|
||||
* @brief eSCI-B interrupt priority level setting.
|
||||
* @brief LINFlex-1 interrupt priority level setting.
|
||||
*/
|
||||
#if !defined(SPC563_ESCIB_PRIORITY) || defined(__DOXYGEN__)
|
||||
#define SPC563_ESCIB_PRIORITY 8
|
||||
#if !defined(SPC5_SERIAL_LINFLEX1_PRIORITY) || defined(__DOXYGEN__)
|
||||
#define SPC5_SERIAL_LINFLEX1_PRIORITY 8
|
||||
#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. */
|
||||
/*===========================================================================*/
|
||||
|
@ -91,11 +110,11 @@ typedef struct {
|
|||
/**
|
||||
* @brief Bit rate.
|
||||
*/
|
||||
uint32_t sc_speed;
|
||||
uint32_t speed;
|
||||
/**
|
||||
* @brief Mode flags.
|
||||
*/
|
||||
uint8_t sc_mode;
|
||||
uint8_t mode;
|
||||
} SerialConfig;
|
||||
|
||||
/**
|
||||
|
@ -114,8 +133,8 @@ typedef struct {
|
|||
/* Output circular buffer.*/ \
|
||||
uint8_t ob[SERIAL_BUFFERS_SIZE]; \
|
||||
/* End of the mandatory fields.*/ \
|
||||
/* Pointer to the volatile eSCI registers block.*/ \
|
||||
volatile struct ESCI_tag *escip;
|
||||
/* Pointer to the volatile LINFlex registers block.*/ \
|
||||
volatile struct LINFLEX_tag *linflexp;
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Driver macros. */
|
||||
|
@ -125,12 +144,18 @@ typedef struct {
|
|||
/* External declarations. */
|
||||
/*===========================================================================*/
|
||||
|
||||
#if USE_SPC563_ESCIA && !defined(__DOXYGEN__)
|
||||
#if SPC5_SERIAL_USE_LINFLEX0 && !defined(__DOXYGEN__)
|
||||
extern SerialDriver SD1;
|
||||
#endif
|
||||
#if USE_SPC563_ESCIB && !defined(__DOXYGEN__)
|
||||
#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" {
|
||||
|
|
|
@ -45,7 +45,7 @@
|
|||
#undef PAL_MODE_OUTPUT_OPENDRAIN
|
||||
|
||||
/**
|
||||
* @name SIUL-specific PAL modes
|
||||
* @name SIU/SIUL-specific PAL modes
|
||||
* @{
|
||||
*/
|
||||
#define PAL_SPC5_SMC (1U << 14)
|
||||
|
@ -141,7 +141,7 @@ typedef uint16_t iomode_t;
|
|||
typedef uint32_t ioportid_t;
|
||||
|
||||
/**
|
||||
* @brief SIUL register initializer type.
|
||||
* @brief SIU/SIUL register initializer type.
|
||||
*/
|
||||
typedef struct {
|
||||
uint8_t pcr_index;
|
||||
|
|
Loading…
Reference in New Issue