git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/kernel_3_dev@6126 35acf78f-673a-0410-8e92-d51de3d6d3f4

5 files changed, 335 insertions, 0 deletions

diff --git a/os/hal/boards/OLIMEX_LPC_P2148/board.c b/os/hal/boards/OLIMEX_LPC_P2148/board.c
new file mode 100644
index 000000000..1c0a00302
--- /dev/null
+++ b/os/hal/boards/OLIMEX_LPC_P2148/board.c
@@ -0,0 +1,95 @@
+/*

+    ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio

+

+    Licensed under the Apache License, Version 2.0 (the "License");

+    you may not use this file except in compliance with the License.

+    You may obtain a copy of the License at

+

+        http://www.apache.org/licenses/LICENSE-2.0

+

+    Unless required by applicable law or agreed to in writing, software

+    distributed under the License is distributed on an "AS IS" BASIS,

+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

+    See the License for the specific language governing permissions and

+    limitations under the License.

+*/

+

+#include "ch.h"

+#include "hal.h"

+

+#define VAL_TC0_PRESCALER 0

+

+/**

+ * @brief   PAL setup.

+ * @details Digital I/O ports static configuration as defined in @p board.h.

+ *          This variable is used by the HAL when initializing the PAL driver.

+ */

+#if HAL_USE_PAL || defined(__DOXYGEN__)

+const PALConfig pal_default_config =

+{

+  VAL_PINSEL0,

+  VAL_PINSEL1,

+  VAL_PINSEL2,

+  {VAL_FIO0PIN, VAL_FIO0DIR},

+  {VAL_FIO1PIN, VAL_FIO1DIR}

+};

+#endif

+

+/*

+ * 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 must be performed just after stack setup and before

+ * any other initialization.

+ */

+void __early_init(void) {

+

+  lpc214x_clock_init();

+}

+

+#if HAL_USE_MMC_SPI

+/* Board-related functions related to the MMC_SPI driver.*/

+bool_t mmc_lld_is_card_inserted(MMCDriver *mmcp) {

+

+  (void)mmcp;

+  return !palReadPad(IOPORT2, PB_CP1);

+}

+

+bool_t mmc_lld_is_write_protected(MMCDriver *mmcp) {

+

+  (void)mmcp;

+  return palReadPad(IOPORT2, PB_WP1);

+}

+#endif

+

+/*

+ * Board-specific initialization code.

+ */

+void boardInit(void) {

+

+  /*

+   * 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. */

+}

diff --git a/os/hal/boards/OLIMEX_LPC_P2148/board.h b/os/hal/boards/OLIMEX_LPC_P2148/board.h
new file mode 100644
index 000000000..17651b313
--- /dev/null
+++ b/os/hal/boards/OLIMEX_LPC_P2148/board.h
@@ -0,0 +1,92 @@
+/*

+    ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio

+

+    Licensed under the Apache License, Version 2.0 (the "License");

+    you may not use this file except in compliance with the License.

+    You may obtain a copy of the License at

+

+        http://www.apache.org/licenses/LICENSE-2.0

+

+    Unless required by applicable law or agreed to in writing, software

+    distributed under the License is distributed on an "AS IS" BASIS,

+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

+    See the License for the specific language governing permissions and

+    limitations under the License.

+*/

+

+#ifndef _BOARD_H_

+#define _BOARD_H_

+

+/*

+ * Setup for the Olimex LPC-P2148 proto board.

+ */

+

+/*

+ * Board identifier.

+ */

+#define BOARD_OLIMEX_LPC_P2148

+#define BOARD_NAME "Olimex LPC-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

+ * FIO0DIR (15...0)

+ *  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

+ * FIO0DIR (31...16)

+ *  OUT --  OUT OUT --  --  --  --  --  OUT OUT OUT --  --  --  IN

+ *  1   0   1   1   0   0   0   0   0   1   1   1   0   0   0   0

+ *

+ * FIO1DIR (31...16)

+ *  --  --  --  --  --  IN  IN  OUT OUT OUT OUT OUT OUT OUT OUT OUT

+ *  0   0   0   0   0   0   0   1   1   1   1   1   1   1   1   1

+ */

+#define VAL_PINSEL0 0x00055555

+#define VAL_PINSEL1 0x100840A8

+#define VAL_PINSEL2 0x00000004  /* Do not modify */

+#define VAL_FIO0DIR 0xB0703C00

+#define VAL_FIO1DIR 0x01FF0000

+#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

+

+#if !defined(_FROM_ASM_)

+#ifdef __cplusplus

+extern "C" {

+#endif

+  void boardInit(void);

+#ifdef __cplusplus

+}

+#endif

+#endif /* _FROM_ASM_ */

+

+#endif /* _BOARD_H_ */

diff --git a/os/hal/boards/OLIMEX_LPC_P2148/board.mk b/os/hal/boards/OLIMEX_LPC_P2148/board.mk
new file mode 100644
index 000000000..5d0937e6d
--- /dev/null
+++ b/os/hal/boards/OLIMEX_LPC_P2148/board.mk
@@ -0,0 +1,5 @@
+# List of all the mandatory board related files.

+BOARDSRC = ${CHIBIOS}/boards/OLIMEX_LPC_P2148/board.c

+

+# Required include directories

+BOARDINC = ${CHIBIOS}/boards/OLIMEX_LPC_P2148

diff --git a/os/hal/boards/OLIMEX_LPC_P2148/buzzer.c b/os/hal/boards/OLIMEX_LPC_P2148/buzzer.c
new file mode 100644
index 000000000..cf2182f08
--- /dev/null
+++ b/os/hal/boards/OLIMEX_LPC_P2148/buzzer.c
@@ -0,0 +1,111 @@
+/*

+    ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio

+

+    Licensed under the Apache License, Version 2.0 (the "License");

+    you may not use this file except in compliance with the License.

+    You may obtain a copy of the License at

+

+        http://www.apache.org/licenses/LICENSE-2.0

+

+    Unless required by applicable law or agreed to in writing, software

+    distributed under the License is distributed on an "AS IS" BASIS,

+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

+    See the License for the specific language governing permissions and

+    limitations under the License.

+*/

+

+/*

+ * 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)

+

+/**

+ * @brief Buzzer driver initialization.

+ */

+void buzzInit(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.       */

+}

+

+/**

+ * @brief Stops the sound.

+ *

+ * @param[in] p pointer to the timer

+ */

+static void stop(void *p) {

+

+  StopCounter((TC *)p);

+  chSysLockFromIsr();

+  chEvtBroadcastI(&BuzzerSilentEventSource);

+  chSysUnlockFromIsr();

+}

+

+/**

+ * @brief Plays a tone asynchronously.

+ *

+ * @param[in] freq approximated tone frequency

+ * @param[in] duration tone duration in systicks

+ */

+void buzzPlay(uint32_t freq, systime_t duration) {

+  static VirtualTimer bvt;

+  TC *tc = T1Base;

+

+  chSysLock();

+

+  if (chVTIsArmedI(&bvt)) {             /* If a sound is already being  */

+    chVTResetI(&bvt);                   /* played then aborts it.       */

+    StopCounter(tc);

+  }

+

+  tc->TC_MR0 = tc->TC_MR1 = (PCLK / (freq * 2));

+  StartCounter(tc);

+  chVTSetI(&bvt, duration, stop, tc);

+

+  chSysUnlock();

+}

+

+/**

+ * @brief Plays a tone.

+ *

+ * @param[in] freq approximated tone frequency

+ * @param[in] duration tone duration in systicks

+ */

+void buzzPlayWait(uint32_t 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/os/hal/boards/OLIMEX_LPC_P2148/buzzer.h b/os/hal/boards/OLIMEX_LPC_P2148/buzzer.h
new file mode 100644
index 000000000..82f573902
--- /dev/null
+++ b/os/hal/boards/OLIMEX_LPC_P2148/buzzer.h
@@ -0,0 +1,32 @@
+/*

+    ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio

+

+    Licensed under the Apache License, Version 2.0 (the "License");

+    you may not use this file except in compliance with the License.

+    You may obtain a copy of the License at

+

+        http://www.apache.org/licenses/LICENSE-2.0

+

+    Unless required by applicable law or agreed to in writing, software

+    distributed under the License is distributed on an "AS IS" BASIS,

+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

+    See the License for the specific language governing permissions and

+    limitations under the License.

+*/

+

+#ifndef _BUZZER_H_

+#define _BUZZER_H_

+

+#ifdef __cplusplus

+extern "C" {

+#endif

+  void buzzInit(void);

+  void buzzPlay(uint32_t freq, systime_t duration);

+  void buzzPlayWait(uint32_t freq, systime_t duration);

+#ifdef __cplusplus

+}

+#endif

+

+extern EventSource BuzzerSilentEventSource;

+

+#endif /* _BUZZER_H_ */