import ChibiOS 2.0.8

This commit is contained in:
NIIBE Yutaka
2010-11-30 13:54:43 +09:00
parent 27543cfeca
commit c560d0ad0c
1982 changed files with 5318 additions and 4046 deletions

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/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS/RT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
---
A special exception to the GPL can be applied should you wish to distribute
a combined work that includes ChibiOS/RT, without being obliged to provide
the source code for any proprietary components. See the file exception.txt
for full details of how and when the exception can be applied.
*/
/**
* @file SPC56x/hal_lld.c
* @brief SPC563 HAL subsystem low level driver source.
*
* @addtogroup SPC563_HAL
* @{
*/
#include "ch.h"
#include "hal.h"
/*===========================================================================*/
/* Driver exported variables. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local variables. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local functions. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver interrupt handlers. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
/**
* @brief Low level HAL driver initialization.
*/
void hal_lld_init(void) {
extern void _vectors(void);
uint32_t n;
/* Enables the branch prediction, clears and enables the BTB into the
BUCSR special register (1013).*/
asm volatile ("li %%r3, 0x0201 \t\n"
"mtspr 1013, %%r3": : : "r3");
/* FLASH wait states and prefetching setup.*/
CFLASH0.BIUCR.R = SPC563_FLASH_BIUCR | SPC563_FLASH_WS;
CFLASH0.BIUCR2.R = 0;
CFLASH0.PFCR3.R = 0;
/* Optimal crossbar settings. The DMA priority is placed above the CPU
priority in order to not starve I/O activities while the CPU is
excuting tight loops (FLASH and SRAM slave ports only).
The SRAM is parked on the load/store port, for some unknown reason it
is defaulted on the instructions port and this kills performance.*/
XBAR.SGPCR3.B.PARK = 4; /* RAM slave on load/store port.*/
XBAR.MPR0.R = 0x00030201; /* Flash slave port priorities:
eDMA (1): 0 (highest)
Core Instructions (0): 1
Undocumented (2): 2
Core Data (4): 3 */
XBAR.MPR3.R = 0x00030201; /* SRAM slave port priorities:
eDMA (1): 0 (highest)
Core Instructions (0): 1
Undocumented (2): 2
Core Data (4): 3 */
/* Downcounter timer initialized for system tick use, TB enabled for debug
and measurements.*/
n = SPC563_SYSCLK / CH_FREQUENCY;
asm volatile ("li %%r3, 0 \t\n"
"mtspr 284, %%r3 \t\n" /* Clear TBL register. */
"mtspr 285, %%r3 \t\n" /* Clear TBU register. */
"mtspr 22, %[n] \t\n" /* Init. DEC register. */
"mtspr 54, %[n] \t\n" /* Init. DECAR register.*/
"li %%r3, 0x4000 \t\n" /* TBEN bit. */
"mtspr 1008, %%r3 \t\n" /* HID0 register. */
"lis %%r3, 0x0440 \t\n" /* DIE ARE bits. */
"mtspr 340, %%r3" /* TCR register. */
: : [n] "r" (n) : "r3");
/* INTC initialization, software vector mode, 4 bytes vectors, starting
at priority 0.*/
INTC.MCR.R = 0;
INTC.CPR.R = 0;
INTC.IACKR.R = (uint32_t)_vectors;
}
/**
* @brief SPC563 clocks and PLL initialization.
* @note All the involved constants come from the file @p board.h and
* @p hal_lld.h
*/
void spc563_clock_init(void) {
/* PLL activation.*/
FMPLL.ESYNCR1.B.EMODE = 1;
FMPLL.ESYNCR1.B.CLKCFG &= 1; /* Bypass mode, PLL off.*/
FMPLL.ESYNCR1.B.CLKCFG |= 2; /* PLL on. */
FMPLL.ESYNCR1.B.EPREDIV = SPC563_CLK_PREDIV;
FMPLL.ESYNCR1.B.EMFD = SPC563_CLK_MFD;
FMPLL.ESYNCR2.B.ERFD = SPC563_CLK_RFD;
while (!FMPLL.SYNSR.B.LOCK)
;
FMPLL.ESYNCR1.B.CLKCFG |= 4; /* Clock from the PLL. */
}
/** @} */

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/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS/RT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
---
A special exception to the GPL can be applied should you wish to distribute
a combined work that includes ChibiOS/RT, without being obliged to provide
the source code for any proprietary components. See the file exception.txt
for full details of how and when the exception can be applied.
*/
/**
* @file SPC56x/hal_lld.h
* @brief SPC563 HAL subsystem low level driver header.
*
* @addtogroup SPC563_HAL
* @{
*/
#ifndef _HAL_LLD_H_
#define _HAL_LLD_H_
#include "mpc563m.h"
/*===========================================================================*/
/* Driver constants. */
/*===========================================================================*/
/**
* @brief Platform name.
*/
#define PLATFORM_NAME "SPC563M64"
#define RFD_DIV2 0 /**< Divide VCO frequency by 2. */
#define RFD_DIV4 1 /**< Divide VCO frequency by 4. */
#define RFD_DIV8 2 /**< Divide VCO frequency by 8. */
#define RFD_DIV16 3 /**< Divide VCO frequency by 16.*/
/* The following settings are related to the FLASH controller, performance
and stability depends on them, be careful.*/
#define BIUCR_BANK1_TOO 0x01000000 /**< Use settings for bank1 too.*/
#define BIUCR_MASTER7_PREFETCH 0x00800000 /**< Enable master 7 prefetch. */
#define BIUCR_MASTER6_PREFETCH 0x00400000 /**< Enable master 6 prefetch. */
#define BIUCR_MASTER5_PREFETCH 0x00200000 /**< Enable master 5 prefetch. */
#define BIUCR_MASTER4_PREFETCH 0x00100000 /**< Enable master 4 prefetch. */
#define BIUCR_MASTER3_PREFETCH 0x00080000 /**< Enable master 3 prefetch. */
#define BIUCR_MASTER2_PREFETCH 0x00040000 /**< Enable master 2 prefetch. */
#define BIUCR_MASTER1_PREFETCH 0x00020000 /**< Enable master 1 prefetch. */
#define BIUCR_MASTER0_PREFETCH 0x00010000 /**< Enable master 0 prefetch. */
#define BIUCR_APC_MASK 0x0000E000 /**< APC field mask. */
#define BIUCR_APC_0 (0 << 13) /**< No additional hold cycles. */
#define BIUCR_APC_1 (1 << 13) /**< 1 additional hold cycle. */
#define BIUCR_APC_2 (2 << 13) /**< 2 additional hold cycles. */
#define BIUCR_APC_3 (3 << 13) /**< 3 additional hold cycles. */
#define BIUCR_APC_4 (4 << 13) /**< 4 additional hold cycles. */
#define BIUCR_APC_5 (5 << 13) /**< 5 additional hold cycles. */
#define BIUCR_APC_6 (6 << 13) /**< 6 additional hold cycles. */
#define BIUCR_WWSC_MASK 0x00001800 /**< WWSC field mask. */
#define BIUCR_WWSC_0 (0 << 11) /**< No write wait states. */
#define BIUCR_WWSC_1 (1 << 11) /**< 1 write wait state. */
#define BIUCR_WWSC_2 (2 << 11) /**< 2 write wait states. */
#define BIUCR_WWSC_3 (3 << 11) /**< 3 write wait states. */
#define BIUCR_RWSC_MASK 0x00001800 /**< RWSC field mask. */
#define BIUCR_RWSC_0 (0 << 8) /**< No read wait states. */
#define BIUCR_RWSC_1 (1 << 8) /**< 1 read wait state. */
#define BIUCR_RWSC_2 (2 << 8) /**< 2 read wait states. */
#define BIUCR_RWSC_3 (3 << 8) /**< 3 read wait states. */
#define BIUCR_RWSC_4 (4 << 8) /**< 4 read wait states. */
#define BIUCR_RWSC_5 (5 << 8) /**< 5 read wait states. */
#define BIUCR_RWSC_6 (6 << 8) /**< 6 read wait states. */
#define BIUCR_RWSC_7 (7 << 8) /**< 7 read wait states. */
#define BIUCR_DPFEN 0x00000040 /**< Data prefetch enable. */
#define BIUCR_IPFEN 0x00000010 /**< Instr. prefetch enable. */
#define BIUCR_PFLIM_MASK 0x00000060 /**< PFLIM field mask. */
#define BIUCR_PFLIM_NO (0 << 1) /**< No prefetching. */
#define BIUCR_PFLIM_ON_MISS (1 << 1) /**< Prefetch on miss. */
#define BIUCR_PFLIM_ON_HITMISS (2 << 1) /**< Prefetch on hit and miss. */
#define BIUCR_BFEN 0x00000001 /**< Flash buffering enable. */
/*===========================================================================*/
/* Driver pre-compile time settings. */
/*===========================================================================*/
/**
* @brief Clock bypass.
* @note If set to @p TRUE then the PLL is not started and initialized, the
* external clock is used as-is and the other clock-related settings
* are ignored.
*/
#if !defined(SPC563_CLK_BYPASS) || defined(__DOXYGEN__)
#define SPC563_CLK_BYPASS FALSE
#endif
/**
* @brief Disables the overclock checks.
*/
#if !defined(SPC563_ALLOW_OVERCLOCK) || defined(__DOXYGEN__)
#define SPC563_ALLOW_OVERCLOCK FALSE
#endif
/**
* @brief External clock pre-divider.
* @note Must be in range 0...14.
* @note The effective divider factor is this value plus one.
*/
#if !defined(SPC563_CLK_PREDIV) || defined(__DOXYGEN__)
#define SPC563_CLK_PREDIV 0
#endif
/**
* @brief Multiplication factor divider.
* @note Must be in range 32...96.
*/
#if !defined(SPC563_CLK_MFD) || defined(__DOXYGEN__)
#define SPC563_CLK_MFD 40
#endif
/**
* @brief Reduced frequency divider.
*/
#if !defined(SPC563_CLK_RFD) || defined(__DOXYGEN__)
#define SPC563_CLK_RFD RFD_DIV4
#endif
/**
* @brief Flash buffer and prefetching settings.
* @note Please refer to the SPC563M64 reference manual about the meaning
* of the following bits, if in doubt DO NOT MODIFY IT.
* @note Do not specify the APC, WWSC, RWSC bits in this value because
* those are calculated from the system clock and ORed with this
* value.
*/
#if !defined(SPC563_FLASH_BIUCR) || defined(__DOXYGEN__)
#define SPC563_FLASH_BIUCR (BIUCR_BANK1_TOO | \
BIUCR_MASTER4_PREFETCH | \
BIUCR_MASTER0_PREFETCH | \
BIUCR_DPFEN | \
BIUCR_IPFEN | \
BIUCR_PFLIM_ON_MISS | \
BIUCR_BFEN)
#endif
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
#if (SPC563_CLK_PREDIV < 0) || (SPC563_CLK_PREDIV > 14)
#error "invalid SPC563_CLK_PREDIV value specified"
#endif
#if (SPC563_CLK_MFD < 32) || (SPC563_CLK_MFD > 96)
#error "invalid SPC563_CLK_MFD value specified"
#endif
#if (SPC563_CLK_RFD != RFD_DIV2) && (SPC563_CLK_RFD != RFD_DIV4) && \
(SPC563_CLK_RFD != RFD_DIV8) && (SPC563_CLK_RFD != RFD_DIV16)
#error "invalid SPC563_CLK_RFD value specified"
#endif
/**
* @brief PLL output clock.
*/
#define SPC563_PLLCLK ((EXTCLK / (SPC563_CLK_PREDIV + 1)) * SPC563_CLK_MFD)
#if (SPC563_PLLCLK < 256000000) || (SPC563_PLLCLK > 512000000)
#error "VCO frequency out of the acceptable range (256...512)"
#endif
/**
* @brief PLL output clock.
*/
#if !SPC563_CLK_BYPASS || defined(__DOXYGEN__)
#define SPC563_SYSCLK (SPC563_PLLCLK / (1 << (SPC563_CLK_RFD + 1)))
#else
#define SPC563_SYSCLK EXTCLK
#endif
#if (SPC563_SYSCLK > 80000000) && !SPC563_ALLOW_OVERCLOCK
#error "System clock above maximum rated frequency (80MHz)"
#endif
/**
* @brief Flash wait states are a function of the system clock.
*/
#if (SPC563_SYSCLK <= 30000000) || defined(__DOXYGEN__)
#define SPC563_FLASH_WS (BIUCR_APC_0 | BIUCR_RWSC_0 | BIUCR_WWSC_1)
#elif SPC563_SYSCLK <= 60000000
#define SPC563_FLASH_WS (BIUCR_APC_1 | BIUCR_RWSC_1 | BIUCR_WWSC_1)
#else
#define SPC563_FLASH_WS (BIUCR_APC_2 | BIUCR_RWSC_2 | BIUCR_WWSC_1)
#endif
/*===========================================================================*/
/* Driver data structures and types. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver macros. */
/*===========================================================================*/
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#ifdef __cplusplus
extern "C" {
#endif
void hal_lld_init(void);
void spc563_clock_init(void);
#ifdef __cplusplus
}
#endif
#endif /* _HAL_LLD_H_ */
/** @} */

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/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS/RT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
---
A special exception to the GPL can be applied should you wish to distribute
a combined work that includes ChibiOS/RT, without being obliged to provide
the source code for any proprietary components. See the file exception.txt
for full details of how and when the exception can be applied.
*/
/**
* @defgroup SPC563_DRIVERS SPC563 Drivers
* @brief Device drivers included in the SPC563 support.
*
* @ingroup PPC
*/
/**
* @defgroup SPC563_HAL SPC563 HAL Support
* @brief HAL support.
*
* @ingroup SPC563_DRIVERS
*/
/**
* @defgroup SPC563_SERIAL SPC563 ESCI Support
* @brief ESCI support.
* @details The serial driver supports both the SPC563 ESCIs in asynchronous
* mode.
*
* @ingroup SPC563_DRIVERS
*/

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# List of all the SPC56x platform files.
PLATFORMSRC = ${CHIBIOS}/os/hal/platforms/SPC56x/hal_lld.c \
${CHIBIOS}/os/hal/platforms/SPC56x/serial_lld.c
# Required include directories
PLATFORMINC = ${CHIBIOS}/os/hal/platforms/SPC56x

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/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS/RT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
---
A special exception to the GPL can be applied should you wish to distribute
a combined work that includes ChibiOS/RT, without being obliged to provide
the source code for any proprietary components. See the file exception.txt
for full details of how and when the exception can be applied.
*/
/**
* @file SPC56x/serial_lld.c
* @brief SPC563 low level serial driver code.
*
* @addtogroup SPC563_SERIAL
* @{
*/
#include "ch.h"
#include "hal.h"
#if CH_HAL_USE_SERIAL || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver exported variables. */
/*===========================================================================*/
/**
* @brief eSCI-A serial driver identifier.
*/
#if USE_SPC563_ESCIA || defined(__DOXYGEN__)
SerialDriver SD1;
#endif
/**
* @brief eSCI-B serial driver identifier.
*/
#if USE_SPC563_ESCIB || defined(__DOXYGEN__)
SerialDriver SD2;
#endif
/*===========================================================================*/
/* Driver local variables. */
/*===========================================================================*/
/**
* @brief Driver default configuration.
*/
static const SerialConfig default_config = {
SERIAL_DEFAULT_BITRATE,
SD_MODE_NORMAL | SD_MODE_PARITY_NONE
};
/*===========================================================================*/
/* Driver local functions. */
/*===========================================================================*/
/**
* @brief eSCI initialization.
* @details This function must be invoked with interrupts disabled.
*
* @param[in] sdp pointer to a @p SerialDriver object
* @param[in] config the architecture-dependent serial driver configuration
*/
static void esci_init(SerialDriver *sdp, const SerialConfig *config) {
volatile struct ESCI_tag *escip = sdp->escip;
uint8_t mode = config->sc_mode;
escip->CR2.R = 0; /* MDIS off. */
escip->CR1.R = 0;
escip->LCR.R = 0;
escip->CR1.B.SBR = SPC563_SYSCLK / (16 * config->sc_speed);
if (mode & SD_MODE_LOOPBACK)
escip->CR1.B.LOOPS = 1;
switch (mode & SD_MODE_PARITY) {
case SD_MODE_PARITY_ODD:
escip->CR1.B.PT = 1;
case SD_MODE_PARITY_EVEN:
escip->CR1.B.PE = 1;
escip->CR1.B.M = 1; /* Makes it 8 bits data + 1 bit parity. */
default:
;
}
escip->LPR.R = 0;
escip->CR1.R |= 0x0000002C; /* RIE, TE, RE to 1. */
escip->CR2.R |= 0x000F; /* ORIE, NFIE, FEIE, PFIE to 1. */
}
/**
* @brief eSCI de-initialization.
* @details This function must be invoked with interrupts disabled.
*
* @param[in] escip pointer to an eSCI I/O block
*/
static void esci_deinit(volatile struct ESCI_tag *escip) {
escip->LPR.R = 0;
escip->SR.R = 0xFFFFFFFF;
escip->CR1.R = 0;
escip->CR2.R = 0x8000; /* MDIS on. */
}
/**
* @brief Error handling routine.
*
* @param[in] sdp pointer to a @p SerialDriver object
* @param[in] sr eSCI SR register value
*/
static void set_error(SerialDriver *sdp, uint32_t sr) {
sdflags_t sts = 0;
if (sr & 0x08000000)
sts |= SD_OVERRUN_ERROR;
if (sr & 0x04000000)
sts |= SD_NOISE_ERROR;
if (sr & 0x02000000)
sts |= SD_FRAMING_ERROR;
if (sr & 0x01000000)
sts |= SD_PARITY_ERROR;
/* if (sr & 0x00000000)
sts |= SD_BREAK_DETECTED;*/
chSysLockFromIsr();
sdAddFlagsI(sdp, sts);
chSysUnlockFromIsr();
}
/**
* @brief Common IRQ handler.
*
* @param[in] sdp pointer to a @p SerialDriver object
*/
static void serve_interrupt(SerialDriver *sdp) {
volatile struct ESCI_tag *escip = sdp->escip;
uint32_t sr = escip->SR.R;
escip->SR.R = 0x3FFFFFFF; /* Does not clear TDRE | TC.*/
if (sr & 0x0F000000) /* OR | NF | FE | PF. */
set_error(sdp, sr);
if (sr & 0x20000000) { /* RDRF. */
chSysLockFromIsr();
sdIncomingDataI(sdp, escip->DR.B.D);
chSysUnlockFromIsr();
}
if (escip->CR1.B.TIE && (sr & 0x80000000)) { /* TDRE. */
msg_t b;
chSysLockFromIsr();
b = chOQGetI(&sdp->oqueue);
if (b < Q_OK) {
chEvtBroadcastI(&sdp->oevent);
escip->CR1.B.TIE = 0;
}
else {
ESCI_A.SR.B.TDRE = 1;
escip->DR.R = (uint16_t)b;
}
chSysUnlockFromIsr();
}
}
#if USE_SPC563_ESCIA || defined(__DOXYGEN__)
static void notify1(void) {
if (ESCI_A.SR.B.TDRE) {
msg_t b = sdRequestDataI(&SD1);
if (b != Q_EMPTY) {
ESCI_A.SR.B.TDRE = 1;
ESCI_A.CR1.B.TIE = 1;
ESCI_A.DR.R = (uint16_t)b;
}
}
/* if (!ESCI_A.CR1.B.TIE) {
msg_t b = sdRequestDataI(&SD1);
if (b != Q_EMPTY) {
ESCI_A.CR1.B.TIE = 1;
ESCI_A.DR.R = (uint16_t)b;
}
}*/
}
#endif
#if USE_SPC563_ESCIB || defined(__DOXYGEN__)
static void notify2(void) {
if (ESCI_B.SR.B.TDRE) {
msg_t b = sdRequestDataI(&SD2);
if (b != Q_EMPTY) {
ESCI_B.SR.B.TDRE = 1;
ESCI_B.CR1.B.TIE = 1;
ESCI_B.DR.R = (uint16_t)b;
}
}
/* if (!ESCI_B.CR1.B.TIE) {
msg_t b = sdRequestDataI(&SD2);
if (b != Q_EMPTY) {
ESCI_B.CR1.B.TIE = 1;
ESCI_B.DR.R = (uint16_t)b;
}
}*/
}
#endif
/*===========================================================================*/
/* Driver interrupt handlers. */
/*===========================================================================*/
#if USE_SPC563_ESCIA || defined(__DOXYGEN__)
/**
* @brief eSCI-A interrupt handler.
*/
CH_IRQ_HANDLER(vector146) {
CH_IRQ_PROLOGUE();
serve_interrupt(&SD1);
CH_IRQ_EPILOGUE();
}
#endif
#if USE_SPC563_ESCIB || defined(__DOXYGEN__)
/**
* @brief eSCI-B interrupt handler.
*/
CH_IRQ_HANDLER(vector149) {
CH_IRQ_PROLOGUE();
serve_interrupt(&SD2);
CH_IRQ_EPILOGUE();
}
#endif
/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
/**
* @brief Low level serial driver initialization.
*/
void sd_lld_init(void) {
#if USE_SPC563_ESCIA
sdObjectInit(&SD1, NULL, notify1);
SD1.escip = &ESCI_A;
ESCI_A.CR2.R = 0x8000; /* MDIS ON. */
INTC.PSR[146].R = SPC563_ESCIA_PRIORITY;
#endif
#if USE_SPC563_ESCIB
sdObjectInit(&SD2, NULL, notify2);
SD2.escip = &ESCI_B;
ESCI_B.CR2.R = 0x8000; /* MDIS ON. */
INTC.PSR[149].R = SPC563_ESCIB_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.
*/
void sd_lld_start(SerialDriver *sdp, const SerialConfig *config) {
if (config == NULL)
config = &default_config;
esci_init(sdp, config);
}
/**
* @brief Low level serial driver stop.
*
* @param[in] sdp pointer to a @p SerialDriver object
*/
void sd_lld_stop(SerialDriver *sdp) {
if (sdp->state == SD_READY)
esci_deinit(sdp->escip);
}
#endif /* CH_HAL_USE_SERIAL */
/** @} */

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/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS/RT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
---
A special exception to the GPL can be applied should you wish to distribute
a combined work that includes ChibiOS/RT, without being obliged to provide
the source code for any proprietary components. See the file exception.txt
for full details of how and when the exception can be applied.
*/
/**
* @file SPC56x/serial_lld.h
* @brief SPC563 low level serial driver header.
*
* @addtogroup SPC563_SERIAL
* @{
*/
#ifndef _SERIAL_LLD_H_
#define _SERIAL_LLD_H_
#if CH_HAL_USE_SERIAL || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver constants. */
/*===========================================================================*/
#define SD_MODE_PARITY 0x03 /**< @brief Parity field mask. */
#define SD_MODE_PARITY_NONE 0x00 /**< @brief No parity. */
#define SD_MODE_PARITY_EVEN 0x01 /**< @brief Even parity. */
#define SD_MODE_PARITY_ODD 0x02 /**< @brief Odd parity. */
#define SD_MODE_NORMAL 0x00 /**< @brief Normal operations. */
#define SD_MODE_LOOPBACK 0x80 /**< @brief Internal loopback. */
/*===========================================================================*/
/* Driver pre-compile time settings. */
/*===========================================================================*/
/**
* @brief eSCI-A driver enable switch.
* @details If set to @p TRUE the support for eSCI-A is included.
* @note The default is @p TRUE.
*/
#if !defined(USE_SPC563_ESCIA) || defined(__DOXYGEN__)
#define USE_SPC563_ESCIA TRUE
#endif
/**
* @brief eSCI-B driver enable switch.
* @details If set to @p TRUE the support for eSCI-B is included.
* @note The default is @p TRUE.
*/
#if !defined(USE_SPC563_ESCIB) || defined(__DOXYGEN__)
#define USE_SPC563_ESCIB TRUE
#endif
/**
* @brief eSCI-A interrupt priority level setting.
*/
#if !defined(SPC563_ESCIA_PRIORITY) || defined(__DOXYGEN__)
#define SPC563_ESCIA_PRIORITY 8
#endif
/**
* @brief eSCI-B interrupt priority level setting.
*/
#if !defined(SPC563_ESCIB_PRIORITY) || defined(__DOXYGEN__)
#define SPC563_ESCIB_PRIORITY 8
#endif
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver data structures and types. */
/*===========================================================================*/
/**
* @brief Serial Driver condition flags type.
*/
typedef uint8_t sdflags_t;
/**
* @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 sc_speed;
/**
* @brief Mode flags.
*/
uint8_t sc_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; \
/* Status Change @p EventSource.*/ \
EventSource sevent; \
/* I/O driver status flags.*/ \
sdflags_t flags; \
/* 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 eSCI registers block.*/ \
volatile struct ESCI_tag *escip;
/*===========================================================================*/
/* Driver macros. */
/*===========================================================================*/
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#if USE_SPC563_ESCIA && !defined(__DOXYGEN__)
extern SerialDriver SD1;
#endif
#if USE_SPC563_ESCIB && !defined(__DOXYGEN__)
extern SerialDriver SD2;
#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 /* CH_HAL_USE_SERIAL */
#endif /* _SERIAL_LLD_H_ */
/** @} */

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@@ -0,0 +1,37 @@
/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS/RT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
---
A special exception to the GPL can be applied should you wish to distribute
a combined work that includes ChibiOS/RT, without being obliged to provide
the source code for any proprietary components. See the file exception.txt
for full details of how and when the exception can be applied.
*/
/**
* @file SPC56x/typedefs.h
* @brief Dummy typedefs file.
*/
#ifndef _TYPEDEFS_H_
#define _TYPEDEFS_H_
#include "chtypes.h"
#endif /* _TYPEDEFS_H_ */