diff options
Diffstat (limited to 'demos/ARM7-LPC214x-GCC')
| -rw-r--r-- | demos/ARM7-LPC214x-GCC/Makefile | 37 | ||||
| -rw-r--r-- | demos/ARM7-LPC214x-GCC/board.c | 90 | ||||
| -rw-r--r-- | demos/ARM7-LPC214x-GCC/board.h | 77 | ||||
| -rw-r--r-- | demos/ARM7-LPC214x-GCC/buzzer.c | 92 | ||||
| -rw-r--r-- | demos/ARM7-LPC214x-GCC/buzzer.h | 35 | ||||
| -rw-r--r-- | demos/ARM7-LPC214x-GCC/main.c | 85 | ||||
| -rw-r--r-- | demos/ARM7-LPC214x-GCC/mmcsd.c | 388 | ||||
| -rw-r--r-- | demos/ARM7-LPC214x-GCC/mmcsd.h | 66 |
8 files changed, 28 insertions, 842 deletions
diff --git a/demos/ARM7-LPC214x-GCC/Makefile b/demos/ARM7-LPC214x-GCC/Makefile index 9d44185a4..a1056cbd7 100644 --- a/demos/ARM7-LPC214x-GCC/Makefile +++ b/demos/ARM7-LPC214x-GCC/Makefile @@ -44,22 +44,22 @@ LDSCRIPT = ch.ld # Imported source files
CHIBIOS = ../..
-include ${CHIBIOS}/os/hal/hal.mk
-include ${CHIBIOS}/os/hal/platforms/LPC214x/platform.mk
-include ${CHIBIOS}/os/ports/GCC/ARM7/port.mk
-include ${CHIBIOS}/os/kernel/kernel.mk
-include ${CHIBIOS}/test/test.mk
+include $(CHIBIOS)/boards/OLIMEX_LPC_P2148/board.mk
+include $(CHIBIOS)/os/hal/platforms/LPC214x/platform.mk
+include $(CHIBIOS)/os/hal/hal.mk
+include $(CHIBIOS)/os/ports/GCC/ARM7/port.mk
+include $(CHIBIOS)/os/kernel/kernel.mk
+include $(CHIBIOS)/test/test.mk
# C sources that can be compiled in ARM or THUMB mode depending on the global
# setting.
-CSRC = ${PORTSRC} \
- ${KERNSRC} \
- ${TESTSRC} \
- ${HALSRC} \
- ${PLATFORMSRC} \
- ${CHIBIOS}/os/hal/platforms/LPC214x/lpc214x_ssp.c \
- ${CHIBIOS}/os/various/evtimer.c \
- board.c buzzer.c mmcsd.c main.c
+CSRC = $(PORTSRC) \
+ $(KERNSRC) \
+ $(TESTSRC) \
+ $(HALSRC) \
+ $(PLATFORMSRC) \
+ $(BOARDSRC) \
+ main.c
# C++ sources that can be compiled in ARM or THUMB mode depending on the global
# setting.
@@ -87,11 +87,12 @@ TCPPSRC = # List ASM source files here
ASMSRC = $(PORTASM) \
- ${CHIBIOS}/os/ports/GCC/ARM7/LPC214x/vectors.s
+ $(CHIBIOS)/os/ports/GCC/ARM7/LPC214x/vectors.s
-INCDIR = $(PORTINC) $(KERNINC) $(TESTINC) $(HALINC) $(PLATFORMINC) \
- ${CHIBIOS}/os/various \
- ${CHIBIOS}/os/ports/GCC/ARM7/LPC214x
+INCDIR = $(PORTINC) $(KERNINC) $(TESTINC) \
+ $(HALINC) $(PLATFORMINC) $(BOARDINC) \
+ $(CHIBIOS)/os/various \
+ $(CHIBIOS)/os/ports/GCC/ARM7/LPC214x
#
# Project, sources and paths
@@ -179,4 +180,4 @@ ULIBS = # End of user defines
##############################################################################
-include ${CHIBIOS}/os/ports/GCC/ARM/rules.mk
+include $(CHIBIOS)/os/ports/GCC/ARM/rules.mk
diff --git a/demos/ARM7-LPC214x-GCC/board.c b/demos/ARM7-LPC214x-GCC/board.c deleted file mode 100644 index f81d2329a..000000000 --- a/demos/ARM7-LPC214x-GCC/board.c +++ /dev/null @@ -1,90 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
-
- This file is part of ChibiOS/RT.
-
- ChibiOS/RT is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- ChibiOS/RT is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include "ch.h"
-#include "hal.h"
-
-#include "lpc214x_ssp.h"
-#include "mmcsd.h"
-#include "buzzer.h"
-
-#define VAL_TC0_PRESCALER 0
-
-/*
- * Timer 0 IRQ handling here.
- */
-static CH_IRQ_HANDLER(T0IrqHandler) {
-
- CH_IRQ_PROLOGUE();
- T0IR = 1; /* Clear interrupt on match MR0. */
-
- chSysLockFromIsr();
- chSysTimerHandlerI();
- chSysUnlockFromIsr();
-
- VICVectAddr = 0;
- CH_IRQ_EPILOGUE();
-}
-
-/*
- * Early initialization code.
- * This initialization is performed just after reset before BSS and DATA
- * segments initialization.
- */
-void hwinit0(void) {
-
- lpc214x_clock_init();
-}
-
-/*
- * Late initialization code.
- * This initialization is performed after BSS and DATA segments initialization
- * and before invoking the main() function.
- */
-void hwinit1(void) {
-
- /*
- * HAL initialization.
- */
- halInit();
-
- /*
- * System Timer initialization, 1ms intervals.
- */
- SetVICVector(T0IrqHandler, 0, SOURCE_Timer0);
- VICIntEnable = INTMASK(SOURCE_Timer0);
- TC *timer = T0Base;
- timer->TC_PR = VAL_TC0_PRESCALER;
- timer->TC_MR0 = (PCLK / CH_FREQUENCY) / (VAL_TC0_PRESCALER + 1);
- timer->TC_MCR = 3; /* Interrupt and clear TC on match MR0. */
- timer->TC_TCR = 2; /* Reset counter and prescaler. */
- timer->TC_TCR = 1; /* Timer enabled. */
-
- /*
- * Other subsystems.
- */
- ssp_init();
- InitMMC();
- InitBuzzer();
-
- /*
- * ChibiOS/RT initialization.
- */
- chSysInit();
-}
diff --git a/demos/ARM7-LPC214x-GCC/board.h b/demos/ARM7-LPC214x-GCC/board.h deleted file mode 100644 index b66ce235d..000000000 --- a/demos/ARM7-LPC214x-GCC/board.h +++ /dev/null @@ -1,77 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
-
- This file is part of ChibiOS/RT.
-
- ChibiOS/RT is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- ChibiOS/RT is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#ifndef _BOARD_H_
-#define _BOARD_H_
-
-#define BOARD_OLIMEX_LCP_P2148
-
-/*
- * The following values are implementation dependent. You may change them in
- * order to match your HW.
- */
-#define FOSC 12000000
-#define CCLK 48000000
-#define PCLK 12000000
-
-/*
- * Pins configuration for Olimex LPC-P2148.
- *
- * PINSEL0
- * P0 P0 P0 P0 P0 P0 RXD TXD SSE MOS MIS SCK SDA SCL RXD TXD
- * 15 14 13 12 11 10 1 1 L0 I0 O0 0 0 0 0 0
- * 00 00 00 00 00 00 01 01 01 01 01 01 01 01 01 01
- * IN IN OUT OUT OUT OUT -- -- -- -- -- -- -- -- -- --
- * 0 0 1 1 1 1 0 0 0 0 0 0 0 0 0 0
- *
- * PINSEL1
- * P0 AD P0 P0 -- -- AO -- VB P0 P0 P0 MOS MIS SCK P0
- * 31 03 29 28 -- -- UT -- US 22 21 20 I1 O1 1 16
- * 00 01 00 00 00 00 10 00 01 00 00 00 10 10 10 00
- * OUT -- OUT OUT -- -- -- -- -- OUT OUT OUT -- -- -- IN
- * 1 0 1 1 0 0 0 0 0 1 1 1 0 0 0 0
- *
- * PINSEL2
- * -- -- -- -- -- -- -- -- -- -- -- -- -- -- GP DBG --
- * -- -- -- -- -- -- -- -- -- -- -- -- -- -- IO --
- * 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0 1 00
- * -- -- -- -- -- -- -- -- -- -- -- -- -- -- IN -- --
- */
-#define VAL_PINSEL0 0x00055555
-#define VAL_PINSEL1 0x100840A8
-#define VAL_PINSEL2 0x00000004
-#define VAL_FIO0DIR 0xB0703C00
-#define VAL_FIO1DIR 0x00000000
-#define VAL_FIO0PIN 0xFFFFFFFF
-#define VAL_FIO1PIN 0xFFFFFFFF
-
-#define PA_LED1 10
-#define PA_LED2 11
-#define PA_BUZZ1 12
-#define PA_BUZZ2 13
-#define PA_BSL 14
-#define PA_BUTTON1 15
-#define PA_BUTTON2 16
-#define PA_SSEL1 20
-#define PA_LEDUSB 31
-
-#define PB_WP1 24
-#define PB_CP1 25
-
-#endif /* _BOARD_H_ */
diff --git a/demos/ARM7-LPC214x-GCC/buzzer.c b/demos/ARM7-LPC214x-GCC/buzzer.c deleted file mode 100644 index 2e7c0bd98..000000000 --- a/demos/ARM7-LPC214x-GCC/buzzer.c +++ /dev/null @@ -1,92 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
-
- This file is part of ChibiOS/RT.
-
- ChibiOS/RT is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- ChibiOS/RT is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-/*
- * Buzzer driver for Olimex LPC-P2148.
- * Uses the timer 1 for wave generation and a Virtual Timer for the sound
- * duration.
- * The driver also generates an event when the sound is done and the buzzer
- * goes silent.
- */
-
-#include "ch.h"
-#include "hal.h"
-
-#include "buzzer.h"
-
-EventSource BuzzerSilentEventSource;
-
-#define StartCounter(t) ((t)->TC_EMR = 0xF1, (t)->TC_TCR = 1)
-#define StopCounter(t) ((t)->TC_EMR = 0, (t)->TC_TCR = 2)
-
-void InitBuzzer(void) {
-
- chEvtInit(&BuzzerSilentEventSource);
-
- /*
- * Switches P0.12 and P0.13 to MAT1.0 and MAT1.1 functions.
- * Enables Timer1 clock.
- */
- PINSEL0 &= 0xF0FFFFFF;
- PINSEL0 |= 0x0A000000;
- PCONP = (PCONP & PCALL) | PCTIM1;
-
- /*
- * Timer setup.
- */
- TC *tc = T1Base;
- StopCounter(tc);
- tc->TC_CTCR = 0; // Clock source is PCLK.
- tc->TC_PR = 0; // Prescaler disabled.
- tc->TC_MCR = 2; // Clear TC on match MR0.
-}
-
-static void stop(void *p) {
-
- StopCounter((TC *)p);
- chEvtBroadcastI(&BuzzerSilentEventSource);
-}
-
-void PlaySound(int freq, systime_t duration) {
- static VirtualTimer bvt;
- TC *tc = T1Base;
-
- chSysLock();
-
- if (chVTIsArmedI(&bvt)) { // If a sound is already being played
- chVTResetI(&bvt); // then aborts it.
- StopCounter(tc);
- }
-
- tc->TC_MR0 = tc->TC_MR1 = (PCLK / (freq * 2));
- StartCounter(tc);
- chVTSetI(&bvt, duration, stop, tc);
-
- chSysUnlock();
-}
-
-void PlaySoundWait(int freq, systime_t duration) {
- TC *tc = T1Base;
-
- StopCounter(tc);
- tc->TC_MR0 = tc->TC_MR1 = (PCLK / (freq * 2));
- StartCounter(tc);
- chThdSleep(duration);
- StopCounter(tc);
-}
diff --git a/demos/ARM7-LPC214x-GCC/buzzer.h b/demos/ARM7-LPC214x-GCC/buzzer.h deleted file mode 100644 index 734cb1a44..000000000 --- a/demos/ARM7-LPC214x-GCC/buzzer.h +++ /dev/null @@ -1,35 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
-
- This file is part of ChibiOS/RT.
-
- ChibiOS/RT is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- ChibiOS/RT is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#ifndef _BUZZER_H_
-#define _BUZZER_H_
-
-#ifdef __cplusplus
-extern "C" {
-#endif
- void InitBuzzer(void);
- void PlaySound(int freq, systime_t duration);
- void PlaySoundWait(int freq, systime_t duration);
-#ifdef __cplusplus
-}
-#endif
-
-extern EventSource BuzzerSilentEventSource;
-
-#endif /* _BUZZER_H_ */
diff --git a/demos/ARM7-LPC214x-GCC/main.c b/demos/ARM7-LPC214x-GCC/main.c index d0a69b3d7..00aca0ec7 100644 --- a/demos/ARM7-LPC214x-GCC/main.c +++ b/demos/ARM7-LPC214x-GCC/main.c @@ -20,10 +20,6 @@ #include "ch.h"
#include "hal.h"
#include "test.h"
-#include "evtimer.h"
-
-#include "mmcsd.h"
-#include "buzzer.h"
#define BOTH_BUTTONS (PAL_PORT_BIT(PA_BUTTON1) | PAL_PORT_BIT(PA_BUTTON2))
@@ -63,73 +59,11 @@ static msg_t Thread2(void *arg) { return 0;
}
-static WORKING_AREA(waTestThread, 128);
-
-/*
- * Executed as event handler at 500mS intervals.
- */
-static void TimerHandler(eventid_t id) {
-
- (void)id;
- if (!(palReadPort(IOPORT1) & BOTH_BUTTONS)) {
- Thread *tp = chThdCreateStatic(waTestThread, sizeof(waTestThread),
- NORMALPRIO, TestThread, &SD1);
- chThdWait(tp);
- PlaySound(500, MS2ST(100));
- }
- else {
- if (!palReadPad(IOPORT1, PA_BUTTON1))
- PlaySound(1000, MS2ST(100));
- if (!palReadPad(IOPORT1, PA_BUTTON2)) {
- sdWrite(&SD1, (uint8_t *)"Hello World!\r\n", 14);
- PlaySound(2000, MS2ST(100));
- }
- }
-}
-
-/*
- * Plays sounds when a MMC/SD card is inserted, then initializes the MMC
- * driver and reads a sector.
- */
-static void InsertHandler(eventid_t id) {
- static uint8_t rwbuf[512];
- MMCCSD data;
-
- (void)id;
- PlaySoundWait(1000, MS2ST(100));
- PlaySoundWait(2000, MS2ST(100));
- if (mmcInit())
- return;
- /* Card ready, do stuff.*/
- if (mmcGetSize(&data))
- return;
- if (mmcRead(rwbuf, 0))
- return;
- PlaySound(440, MS2ST(200));
-}
-
-/*
- * Plays sounds when a MMC/SD card is removed.
- */
-static void RemoveHandler(eventid_t id) {
-
- (void)id;
- PlaySoundWait(2000, MS2ST(100));
- PlaySoundWait(1000, MS2ST(100));
-}
-
/*
* Entry point, note, the main() function is already a thread in the system
* on entry.
*/
int main(int argc, char **argv) {
- static const evhandler_t evhndl[] = {
- TimerHandler,
- InsertHandler,
- RemoveHandler
- };
- static EvTimer evt;
- struct EventListener el0, el1, el2;
(void)argc;
(void)argv;
@@ -149,16 +83,15 @@ int main(int argc, char **argv) { }
/*
- * Normal main() activity, in this demo it serves events generated by
- * various sources.
+ * Normal main() thread activity, in this demo it does nothing except
+ * sleeping in a loop and check the buttons state.
*/
- evtInit(&evt, MS2ST(500)); /* Initializes an event timer object. */
- evtStart(&evt); /* Starts the event timer. */
- chEvtRegister(&evt.et_es, &el0, 0); /* Registers on the timer event source. */
- mmcStartPolling(); /* Starts the MMC connector polling. */
- chEvtRegister(&MMCInsertEventSource, &el1, 1);
- chEvtRegister(&MMCRemoveEventSource, &el2, 2);
- while (TRUE) /* Just serve events. */
- chEvtDispatch(evhndl, chEvtWaitOne(ALL_EVENTS));
+ while (TRUE) {
+ if (!palReadPad(IOPORT1, PA_BUTTON1))
+ sdWrite(&SD1, (uint8_t *)"Hello World!\r\n", 14);
+ if (!palReadPad(IOPORT1, PA_BUTTON2))
+ TestThread(&SD1);
+ chThdSleepMilliseconds(500);
+ }
return 0;
}
diff --git a/demos/ARM7-LPC214x-GCC/mmcsd.c b/demos/ARM7-LPC214x-GCC/mmcsd.c deleted file mode 100644 index 220d9c88a..000000000 --- a/demos/ARM7-LPC214x-GCC/mmcsd.c +++ /dev/null @@ -1,388 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
-
- This file is part of ChibiOS/RT.
-
- ChibiOS/RT is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- ChibiOS/RT is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include "ch.h"
-#include "hal.h"
-
-#include "lpc214x_ssp.h"
-#include "mmcsd.h"
-
-EventSource MMCInsertEventSource, MMCRemoveEventSource;
-
-static VirtualTimer vt;
-static int cnt;
-
-/*
- * Subsystem initialization.
- */
-void InitMMC(void) {
-
- chEvtInit(&MMCInsertEventSource);
- chEvtInit(&MMCRemoveEventSource);
- cnt = POLLING_INTERVAL;
-}
-
-void tmrfunc(void *par) {
-
- (void)par;
- if (cnt) {
- if (!palReadPad(IOPORT2, PB_CP1)) {
- if (!--cnt)
- chEvtBroadcastI(&MMCInsertEventSource);
- }
- else
- cnt = POLLING_INTERVAL;
- }
- else {
- if (palReadPad(IOPORT2, PB_CP1)) {
- cnt = POLLING_INTERVAL;
- chEvtBroadcastI(&MMCRemoveEventSource);
- }
- }
- chVTSetI(&vt, 10, tmrfunc, NULL);
-}
-
-/*
- * Starts the card polling service.
- */
-void mmcStartPolling(void) {
-
- chSysLock();
-
- if (!chVTIsArmedI(&vt)) {
- chVTSetI(&vt, 10, tmrfunc, NULL);
- cnt = POLLING_INTERVAL;
- }
-
- chSysUnlock();
-}
-
-/*
- * Stops the card polling service.
- */
-void mmcStopPolling(void) {
-
- chSysLock();
-
- if (chVTIsArmedI(&vt)) {
- chVTResetI(&vt);
- cnt = POLLING_INTERVAL;
- }
-
- chSysUnlock();
-}
-
-/*
- * Returns TRUE if the card is safely inserted in the reader.
- */
-bool_t mmcCardInserted (void) {
-
- return cnt == 0;
-}
-
-static void wait(void) {
- int i;
- uint8_t buf[4];
-
- for (i = 0; i < 16; i++) {
- sspRW(buf, NULL, 1);
- if (buf[0] == 0xFF)
- break;
- }
- /* Looks like it is a loooong wait.*/
- while (TRUE) {
- sspRW(buf, NULL, 1);
- if (buf[0] == 0xFF)
- break;
-#ifdef NICE_WAITING
- chThdSleep(1); /* Trying to be nice with the other threads.*/
-#endif
- }
-}
-
-static void sendhdr(uint8_t cmd, uint32_t arg) {
- uint8_t buf[6];
-
- /*
- * Wait for the bus to become idle if a write operation was in progress.
- */
- wait();
-
- buf[0] = 0x40 | cmd;
- buf[1] = arg >> 24;
- buf[2] = arg >> 16;
- buf[3] = arg >> 8;
- buf[4] = arg;
- buf[5] = 0x95; /* Valid for CMD0 ingnored by other commands. */
- sspRW(NULL, buf, 6);
-}
-
-static uint8_t recvr1(void) {
- int i;
- uint8_t r1[1];
-
- for (i = 0; i < 9; i++) {
- sspRW(r1, NULL, 1);
- if (r1[0] != 0xFF)
- return r1[0];
- }
- return 0xFF; /* Timeout.*/
-}
-
-static bool_t getdata(uint8_t *buf, uint32_t n) {
- int i;
-
- for (i = 0; i < MMC_WAIT_DATA; i++) {
- sspRW(buf, NULL, 1);
- if (buf[0] == 0xFE) {
- sspRW(buf, NULL, n);
- sspRW(NULL, NULL, 2); /* CRC ignored.*/
- return FALSE;
- }
- }
- return TRUE; /* Timeout.*/
-}
-
-/*
- * Initializes a card after the power up by selecting the SPI mode.
- */
-bool_t mmcInit(void) {
-
- /*
- * Starting initialization with slow clock mode.
- */
- ssp_setup(254, CR0_DSS8BIT | CR0_FRFSPI | CR0_CLOCKRATE(0), 0);
-
- /*
- * SPI mode selection.
- */
- sspRW(NULL, NULL, 16); /* 128 clock pulses without ~CS asserted. */
- int i = 0;
- while (TRUE) {
- if (mmcSendCommand(CMDGOIDLE, 0) == 0x01)
- break;
- if (++i >= CMD0_RETRY)
- return TRUE;
- chThdSleep(10);
- }
-
- /*
- * Initialization.
- */
- i = 0;
- while (TRUE) {
- uint8_t b = mmcSendCommand(CMDINIT, 0);
- if (b == 0x00)
- break;
- if (b != 0x01)
- return TRUE;
- if (++i >= CMD1_RETRY)
- return TRUE;
- chThdSleep(10);
- }
-
- /*
- * Full speed.
- */
- ssp_setup(2, CR0_DSS8BIT | CR0_FRFSPI | CR0_CLOCKRATE(0), 0);
- return FALSE;
-}
-
-/*
- * Sends a simple command and returns a R1-type response.
- */
-uint8_t mmcSendCommand(uint8_t cmd, uint32_t arg) {
- uint8_t r1;
-
- sspAcquireBus();
- sendhdr(cmd, arg);
- r1 = recvr1();
- sspReleaseBus();
- return r1;
-}
-
-/*
- * Reads the card info record.
- * @param data the pointer to a \p MMCCSD structure
- * @return \p TRUE if an error happened
- */
-bool_t mmcGetSize(MMCCSD *data) {
- uint8_t buf[16];
-
- sspAcquireBus();
- sendhdr(CMDREADCSD, 0);
- if (recvr1() != 0x00) {
- sspReleaseBus();
- return TRUE;
- }
- if (getdata(buf, 16)) {
- sspReleaseBus();
- return TRUE;
- }
- sspReleaseBus();
-
- /* csize * multiplier */
- data->csize = (((buf[6] & 3) << 10) | (buf[7] << 2) | (buf[8] >> 6)) *
- (1 << (2 + (((buf[9] & 3) << 1) | (buf[10] >> 7))));
- data->rdblklen = 1 << (buf[5] & 15);
- return FALSE;
-}
-
-/*
- * Reads a block.
- * @param blknum the block number
- * @param buf the pointer to the read buffer
- * @return \p TRUE if an error happened
- */
-bool_t mmcRead(uint8_t *buf, uint32_t blknum) {
-
- sspAcquireBus();
- sendhdr(CMDREAD, blknum << 9);
- if (recvr1() != 0x00) {
- sspReleaseBus();
- return TRUE;
- }
- if (getdata(buf, 512)) {
- sspReleaseBus();
- return TRUE;
- }
- sspReleaseBus();
- return FALSE;
-}
-
-/*
- * Reads multiple blocks.
- * @param blknum the initial block
- * @param n the number of blocks
- * @param buf the pointer to the read buffer
- * @return \p TRUE if an error happened
- */
-bool_t mmcReadMultiple(uint8_t *buf, uint32_t blknum, uint32_t n) {
- static const uint8_t stopcmd[] = {0x40 | CMDSTOP, 0, 0, 0, 0, 1, 0xFF};
-
- sspAcquireBus();
- sendhdr(CMDREADMULTIPLE, blknum << 9);
- if (recvr1() != 0x00) {
- sspReleaseBus();
- return TRUE;
- }
- while (n) {
- if (getdata(buf, 512)) {
- sspReleaseBus();
- return TRUE;
- }
- buf += 512;
- n--;
- }
- sspRW(NULL, (uint8_t *)stopcmd, sizeof(stopcmd));
- if (recvr1() != 0x00) {
- sspReleaseBus();
- return TRUE;
- }
- sspReleaseBus();
- return FALSE;
-}
-
-/*
- * Writes a block.
- * @param blknum the block number
- * @param buf the pointer to the write buffer
- * @return \p TRUE if an error happened
- * @note The function DOES NOT wait for the SPI bus to become free after
- * sending the data, the bus check is done before sending commands to
- * the card, this allows to not make useless busy waiting. The invoking
- * thread can do other things while the data is being written.
- */
-bool_t mmcWrite(uint8_t *buf, uint32_t blknum) {
- static const uint8_t start[] = {0xFF, 0xFE};
- uint8_t b[4];
-
- sspAcquireBus();
- sendhdr(CMDWRITE, blknum << 9);
- if (recvr1() != 0x00) {
- sspReleaseBus();
- return TRUE;
- }
- sspRW(NULL, (uint8_t *)start, 2); /* Data prologue.*/
- sspRW(NULL, buf, 512); /* Data.*/
- sspRW(NULL, NULL, 2); /* CRC ignored in this version.*/
- sspRW(b, NULL, 1);
- sspReleaseBus();
- if ((b[0] & 0x1F) != 0x05)
- return TRUE;
- return FALSE;
-}
-
-/*
- * Writes multiple blocks.
- * @param blknum the initial block
- * @param n the number of blocks
- * @param buf the pointer to the write buffer
- * @return \p TRUE if an error happened
- * @note The function DOES NOT wait for the SPI bus to become free after
- * sending the data, the bus check is done before sending commands to
- * the card, this allows to not make useless busy waiting. The invoking
- * thread can do other things while the data is being written.
- */
-bool_t mmcWriteMultiple(uint8_t *buf, uint32_t blknum, uint32_t n) {
- static const uint8_t start[] = {0xFF, 0xFC},
- stop[] = {0xFD, 0xFF};
- uint8_t b[4];
-
- sspAcquireBus();
- sendhdr(CMDWRITEMULTIPLE, blknum << 9);
- if (recvr1() != 0x00) {
- sspReleaseBus();
- return TRUE;
- }
- while (n) {
- sspRW(NULL, (uint8_t *)start, sizeof(start)); /* Data prologue.*/
- sspRW(NULL, buf, 512); /* Data.*/
- sspRW(NULL, NULL, 2); /* CRC ignored in this version.*/
- sspRW(b, NULL, 1);
- if ((b[0] & 0x1F) != 0x05) {
- sspReleaseBus();
- return TRUE;
- }
- wait();
- buf += 512;
- n--;
- }
- sspRW(NULL, (uint8_t *)stop, sizeof(stop)); /* Stops the transfer.*/
- sspReleaseBus();
- return FALSE;
-}
-
-/*
- * Makes sure that pending operations are completed before returning.
- */
-void mmcSynch(void) {
- uint8_t buf[4];
-
- sspAcquireBus();
- while (TRUE) {
- sspRW(buf, NULL, 1);
- if (buf[0] == 0xFF)
- break;
-#ifdef NICE_WAITING
- chThdSleep(1); /* Trying to be nice with the other threads.*/
-#endif
- }
- sspReleaseBus();
-}
diff --git a/demos/ARM7-LPC214x-GCC/mmcsd.h b/demos/ARM7-LPC214x-GCC/mmcsd.h deleted file mode 100644 index d7ab4b348..000000000 --- a/demos/ARM7-LPC214x-GCC/mmcsd.h +++ /dev/null @@ -1,66 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
-
- This file is part of ChibiOS/RT.
-
- ChibiOS/RT is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- ChibiOS/RT is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#ifndef _MMCSD_H_
-#define _MMCSD_H_
-
-#define NICE_WAITING
-
-#define CMD0_RETRY 10
-#define CMD1_RETRY 100
-#define POLLING_INTERVAL 10
-#define MMC_WAIT_DATA 10000
-
-#define CMDGOIDLE 0
-#define CMDINIT 1
-#define CMDREADCSD 9
-#define CMDSTOP 12
-#define CMDREAD 17
-#define CMDREADMULTIPLE 18
-#define CMDWRITE 24
-#define CMDWRITEMULTIPLE 25
-
-typedef struct {
- uint32_t csize;
- uint32_t rdblklen;
-} MMCCSD;
-
-extern EventSource MMCInsertEventSource, MMCRemoveEventSource;
-
-#ifdef __cplusplus
-}
-#endif
- void InitMMC(void);
-
- bool_t mmcInit(void);
- void mmcStartPolling(void);
- void mmcStopPolling(void);
- bool_t mmcCardInserted (void);
- uint8_t mmcSendCommand(uint8_t cmd, uint32_t arg);
- bool_t mmcGetSize(MMCCSD *data);
- bool_t mmcRead(uint8_t *buf, uint32_t blknum);
- bool_t mmcReadMultiple(uint8_t *buf, uint32_t blknum, uint32_t n);
- bool_t mmcWrite(uint8_t *buf, uint32_t blknum);
- bool_t mmcWriteMultiple(uint8_t *buf, uint32_t blknum, uint32_t n);
- void mmcSynch(void);
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* _MMCSD_H_*/
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