-/* $Id$ */\r
-/*\r
- * Copyright (c) 2005 Arch Rock Corporation \r
- * All rights reserved. \r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions are\r
- * met:\r
- * Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- * \r
- * Neither the name of the Arch Rock Corporation nor the names of its\r
- * contributors may be used to endorse or promote products derived from\r
- * this software without specific prior written permission.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\r
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT\r
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR\r
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE ARCHED\r
- * ROCK OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,\r
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,\r
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS\r
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND\r
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR\r
- * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE\r
- * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH\r
- * DAMAGE.\r
- */\r
-/**\r
- * The Private Hpl Interface for the I2C components. Handles enabling of the \r
- * clock for the interface. It DOES NOT affect the I2C_IUE bit of the ICR\r
- * register.\r
- * \r
- * @param dev The I2C to use. 0 = Standard I2c, 1 = Power I2C\r
- *\r
- * @author Phil Buonadonna\r
- */\r
-\r
-generic module HplPXA27xI2CP(uint8_t dev)\r
-{\r
- provides interface Init;\r
- provides interface HplPXA27xI2C as I2C; \r
-\r
- uses interface HplPXA27xInterrupt as I2CIrq;\r
-\r
-}\r
-\r
-implementation\r
-{\r
- bool m_fInit = FALSE;\r
-\r
- command error_t Init.init() {\r
- bool isInited;\r
-\r
- atomic {\r
- isInited = m_fInit;\r
- m_fInit = TRUE;\r
- }\r
-\r
- if (!isInited) {\r
- switch(dev) {\r
- case 0:\r
- CKEN |= CKEN14_I2C;\r
- ICR = 0;\r
- break;\r
- case 1:\r
- CKEN |= CKEN15_PMI2C;\r
- PICR = 0;\r
- break;\r
- default:\r
- break;\r
- }\r
- call I2CIrq.allocate();\r
- call I2CIrq.enable();\r
- }\r
-\r
- return SUCCESS;\r
- }\r
-\r
- async command uint32_t I2C.getIBMR() { \r
- switch(dev) {\r
- case 0: return IBMR; break;\r
- case 1: return PIBMR; break;\r
- default: return 0;\r
- }\r
- }\r
-\r
- async command void I2C.setIDBR(uint32_t val) {\r
- switch(dev) {\r
- case 0: IDBR = val; break;\r
- case 1: PIDBR = val; break;\r
- default: break;\r
- }\r
- return;\r
- }\r
-\r
- async command uint32_t I2C.getIDBR() { \r
- switch(dev) {\r
- case 0: return IDBR; break;\r
- case 1: return PIDBR; break;\r
- default: return 0;\r
- }\r
- }\r
-\r
- async command void I2C.setICR(uint32_t val) {\r
- switch(dev) {\r
- case 0: ICR = val; break;\r
- case 1: PICR = val; break;\r
- default: break;\r
- }\r
- return;\r
- }\r
-\r
- async command uint32_t I2C.getICR() { \r
- switch(dev) {\r
- case 0: return ICR; break;\r
- case 1: return PICR; break;\r
- default: return 0;\r
- }\r
- }\r
-\r
- async command void I2C.setISR(uint32_t val) { \r
- switch(dev) {\r
- case 0: ISR = val; break;\r
- case 1: PISR = val; break;\r
- default: break;\r
- }\r
- }\r
-\r
- async command uint32_t I2C.getISR() { \r
- switch(dev) {\r
- case 0: return ISR; break;\r
- case 1: return PISR; break;\r
- default: return 0;\r
- }\r
- }\r
-\r
- async command void I2C.setISAR(uint32_t val) {\r
- switch(dev) {\r
- case 0: ISAR = val; break;\r
- case 1: PISAR = val; break;\r
- default: break;\r
- }\r
- return;\r
- }\r
-\r
- async command uint32_t I2C.getISAR() { \r
- switch(dev) {\r
- case 0: return ISAR; break;\r
- case 1: return PISAR; break;\r
- default: return 0;\r
- }\r
- }\r
-\r
- async event void I2CIrq.fired() {\r
- \r
- signal I2C.interruptI2C();\r
- return;\r
- }\r
-\r
- default async event void I2C.interruptI2C() { \r
- return;\r
- }\r
-}\r
+/* $Id$ */
+/*
+ * Copyright (c) 2005 Arch Rock Corporation
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * Neither the name of the Arch Rock Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE ARCHED
+ * ROCK OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
+ * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
+ * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ */
+/**
+ * The Private Hpl Interface for the I2C components. Handles enabling of the
+ * clock for the interface. It DOES NOT affect the I2C_IUE bit of the ICR
+ * register.
+ *
+ * @param dev The I2C to use. 0 = Standard I2c, 1 = Power I2C
+ *
+ * @author Phil Buonadonna
+ */
+
+generic module HplPXA27xI2CP(uint8_t dev)
+{
+ provides interface Init;
+ provides interface HplPXA27xI2C as I2C;
+
+ uses interface HplPXA27xInterrupt as I2CIrq;
+
+}
+
+implementation
+{
+ bool m_fInit = FALSE;
+
+ command error_t Init.init() {
+ bool isInited;
+
+ atomic {
+ isInited = m_fInit;
+ m_fInit = TRUE;
+ }
+
+ if (!isInited) {
+ switch(dev) {
+ case 0:
+ CKEN |= CKEN14_I2C;
+ ICR = 0;
+ break;
+ case 1:
+ CKEN |= CKEN15_PMI2C;
+ PICR = 0;
+ break;
+ default:
+ break;
+ }
+ call I2CIrq.allocate();
+ call I2CIrq.enable();
+ }
+
+ return SUCCESS;
+ }
+
+ async command uint32_t I2C.getIBMR() {
+ switch(dev) {
+ case 0: return IBMR; break;
+ case 1: return PIBMR; break;
+ default: return 0;
+ }
+ }
+
+ async command void I2C.setIDBR(uint32_t val) {
+ switch(dev) {
+ case 0: IDBR = val; break;
+ case 1: PIDBR = val; break;
+ default: break;
+ }
+ return;
+ }
+
+ async command uint32_t I2C.getIDBR() {
+ switch(dev) {
+ case 0: return IDBR; break;
+ case 1: return PIDBR; break;
+ default: return 0;
+ }
+ }
+
+ async command void I2C.setICR(uint32_t val) {
+ switch(dev) {
+ case 0: ICR = val; break;
+ case 1: PICR = val; break;
+ default: break;
+ }
+ return;
+ }
+
+ async command uint32_t I2C.getICR() {
+ switch(dev) {
+ case 0: return ICR; break;
+ case 1: return PICR; break;
+ default: return 0;
+ }
+ }
+
+ async command void I2C.setISR(uint32_t val) {
+ switch(dev) {
+ case 0: ISR = val; break;
+ case 1: PISR = val; break;
+ default: break;
+ }
+ }
+
+ async command uint32_t I2C.getISR() {
+ switch(dev) {
+ case 0: return ISR; break;
+ case 1: return PISR; break;
+ default: return 0;
+ }
+ }
+
+ async command void I2C.setISAR(uint32_t val) {
+ switch(dev) {
+ case 0: ISAR = val; break;
+ case 1: PISAR = val; break;
+ default: break;
+ }
+ return;
+ }
+
+ async command uint32_t I2C.getISAR() {
+ switch(dev) {
+ case 0: return ISAR; break;
+ case 1: return PISAR; break;
+ default: return 0;
+ }
+ }
+
+ async event void I2CIrq.fired() {
+
+ signal I2C.interruptI2C();
+ return;
+ }
+
+ default async event void I2C.interruptI2C() {
+ return;
+ }
+}
projects / tinyos-2.x.git / blobdiff