provides interface GpioInterrupt as InterruptDATA;
}
implementation {
- components new Msp430OpenDrainC() as DATAM;
+ components new Msp430ODPUC() as DATAM;
DATA = DATAM;
components new Msp430GpioC() as SCKM;
--- /dev/null
+/*
+ * Copyright (c) 2012, Titanium Mirror, Inc.
+ * 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 Technische Universität Berlin 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 COPYRIGHT
+ * OWNER OR 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.
+ */
+
+/**
+ * Provide an open drain output with internal pull-up.
+ *
+ * Works only for MSP430 processor ports having internal pull up/down resistors.
+ * Since a low value is asserted by using the pull-down resistor instead of the
+ * pull-up resistor, the slew rate of the net might in some cases be too slow.
+ *
+ * This pin can only be an open drain output and cannot be reconfigured.
+ *
+ * @author R. Steve McKown <rsmckown@gmail.com>
+ */
+
+generic configuration Msp430ODPUC()
+{
+ provides interface GeneralIO;
+ uses interface HplMsp430GeneralIO as HplGeneralIO;
+}
+implementation
+{
+ components new Msp430ODPUP();
+ GeneralIO = Msp430ODPUP;
+ HplGeneralIO = Msp430ODPUP;
+
+ components MainC;
+ MainC.SoftwareInit -> Msp430ODPUP;
+}
+
--- /dev/null
+/*
+ * Copyright (c) 2012, Titanium Mirror, Inc.
+ * 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 Technische Universität Berlin 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 COPYRIGHT
+ * OWNER OR 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.
+ */
+
+/**
+ * Provide an open drain output with internal pull-up.
+ *
+ * Works only for MSP430 processor ports having internal pull up/down resistors.
+ * Since a low value is asserted by using the pull-down resistor instead of the
+ * pull-up resistor, the slew rate of the net might in some cases be too slow.
+ *
+ * This pin can only be an open drain output and cannot be reconfigured.
+ *
+ * @author R. Steve McKown <rsmckown@gmail.com>
+ */
+
+generic module Msp430ODPUP()
+{
+ provides {
+ interface Init;
+ interface GeneralIO;
+ }
+ uses interface HplMsp430GeneralIO as HplGeneralIO;
+}
+implementation
+{
+ command error_t Init.init()
+ {
+ call HplGeneralIO.makeInput();
+ call HplGeneralIO.enableRen();
+ call HplGeneralIO.set();
+ return SUCCESS;
+ }
+
+ async command void GeneralIO.set()
+ {
+ call HplGeneralIO.set();
+ }
+
+ async command void GeneralIO.clr()
+ {
+ call HplGeneralIO.clr();
+ }
+
+ async command void GeneralIO.toggle()
+ {
+ call HplGeneralIO.toggle();
+ }
+
+ async command bool GeneralIO.get()
+ {
+ return call HplGeneralIO.get();
+ }
+
+ async command void GeneralIO.makeInput() {}
+ async command void GeneralIO.makeOutput() {}
+ async command bool GeneralIO.isInput() { return FALSE; }
+ async command bool GeneralIO.isOutput() { return TRUE; }
+}
+++ /dev/null
-/*
- * Copyright (c) 2008, Titanium Mirror, Inc.
- * 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 Technische Universität Berlin 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 COPYRIGHT
- * OWNER OR 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.
- */
-
-/**
- * Implement an open drain output using an HplMsp430GeneralIO, represented as
- * a GeneralIO. This component uses the Msp430's internal pull up/down
- * capability, present on only some devices.
- *
- * @author R. Steve McKown <rsmckown@gmail.com>
- */
-
-generic configuration Msp430OpenDrainC()
-{
- provides interface GeneralIO;
- uses interface HplMsp430GeneralIO as HplGeneralIO;
-}
-implementation
-{
- components new Msp430OpenDrainP();
- GeneralIO = Msp430OpenDrainP;
- HplGeneralIO = Msp430OpenDrainP;
-
- components MainC;
- MainC.SoftwareInit -> Msp430OpenDrainP;
-}
-
+++ /dev/null
-/*
- * Copyright (c) 2008, Titanium Mirror, Inc.
- * 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 Technische Universität Berlin 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 COPYRIGHT
- * OWNER OR 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.
- */
-
-/**
- * Implement an open drain output using an HplMsp430GeneralIO, represented as
- * a GeneralIO. Uses the pull-up resistor built into the msp430 for each io
- * pin to deliver the pull-up necessary. set() is pin in input with pull-up,
- * clr() is in output with no pull-up.
- *
- * @author R. Steve McKown <rsmckown@gmail.com>
- */
-
-generic module Msp430OpenDrainP()
-{
- provides {
- interface Init;
- interface GeneralIO;
- }
- uses interface HplMsp430GeneralIO as HplGeneralIO;
-}
-implementation
-{
- command error_t Init.init()
- {
- call HplGeneralIO.makeInput();
- call HplGeneralIO.set();
- call HplGeneralIO.enableRen(); /* this is the important bit */
- return SUCCESS;
- }
-
- async command void GeneralIO.set() { call HplGeneralIO.set(); }
- async command void GeneralIO.clr() { call HplGeneralIO.clr(); }
- async command void GeneralIO.toggle() { call HplGeneralIO.toggle(); }
- //async command uint8_t GeneralIO.getOutRaw() { call HplGeneralIO.getOutRaw(); }
- //async command bool GeneralIO.getOut() { return call HplGeneralIO.getOut(); }
- //async command uint8_t GeneralIO.getRaw() { call HplGeneralIO.getRaw(); }
- async command bool GeneralIO.get() { return call HplGeneralIO.get(); }
- async command void GeneralIO.makeInput() {} // call HplGeneralIO.makeInput(); }
- async command bool GeneralIO.isInput() { return TRUE; } //call HplGeneralIO.isInput(); }
- async command void GeneralIO.makeOutput() {} // call HplGeneralIO.makeOutput(); }
- async command bool GeneralIO.isOutput() { return TRUE; } //call HplGeneralIO.isOutput(); }
- //async command void GeneralIO.selectModuleFunc() { call HplGeneralIO.selectModuleFunc(); }
- //async command bool GeneralIO.isModuleFunc() { return call HplGeneralIO.isModuleFunc(); }
- //async command void GeneralIO.selectIOFunc() { call HplGeneralIO.selectIOFunc(); }
- //async command bool GeneralIO.isIOFunc() { return call HplGeneralIO.isIOFunc(); }
- //async command void GeneralIO.enableRen() { call HplGeneralIO.enableRen(); }
- //async command void GeneralIO.disableRen() { call HplGeneralIO.disableRen(); }
- //async command bool GeneralIO.isRen() { return call HplGeneralIO.isRen(); }
-}
*/
/**
- * Implement an open drain output using a GeneralIO, represented as a
- * GeneralIO. Requires an external pull-up for proper operation.
+ * Provide an open drain output as a GeneralIO using a GeneralIO.
+ *
+ * set() puts the pin in high impedance state by selecting the pin input mode.
+ * clr() sets the pin to sink current to ground by selecting the pin output
+ * mode, logic zero. Generally, an external pull-up resistor will be used with
+ * an open drain output.
+ *
+ * This pin can only be an open drain output and cannot be reconfigured.
*
* @author R. Steve McKown <rsmckown@gmail.com>
*/
*/
/**
- * Implement an open drain output using a GeneralIO, represented as a
- * GeneralIO. clr() puts the pin in input mode, simulating open drain and
- * therefore requiring a pull-up on the net. set() puts the pin in output
- * mode and sinks current by outputting a logic zero. By definition, the
- * pin wrapped by this component can only be used as an output.
+ * Provide an open drain output as a GeneralIO using a GeneralIO. set() puts
+ * the pin in high impedance state by selecting the pin input mode. clr() sets
+ * the pin to sink current to ground by selecting the pin output mode, logic
+ * zero. Generally, an external pull-up resistor will be used with an open
+ * drain output.
*
- * TODO: there could be a version of this component that uses the msp430's
- * built-in pull-up resistor...
+ * This pin can only be an open drain output and cannot be reconfigured.
*
* @author R. Steve McKown <rsmckown@gmail.com>
*/
}
async command void GeneralIO.makeInput() {}
-
async command void GeneralIO.makeOutput() {}
-
- async command bool GeneralIO.isInput()
- {
- return FALSE;
- }
-
- async command bool GeneralIO.isOutput()
- {
- return TRUE;
- }
+ async command bool GeneralIO.isInput() { return FALSE; }
+ async command bool GeneralIO.isOutput() { return TRUE; }
}