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-rw-r--r--src/c/hardware/rasberrypi/gpio/u8RPIDigitalIns.c24
-rw-r--r--src/c/hardware/rasberrypi/gpio/u8RPIDigitalOuts.c26
-rw-r--r--src/c/hardware/rasberrypi/gpio/u8RPIDigitalSetups.c39
3 files changed, 89 insertions, 0 deletions
diff --git a/src/c/hardware/rasberrypi/gpio/u8RPIDigitalIns.c b/src/c/hardware/rasberrypi/gpio/u8RPIDigitalIns.c
new file mode 100644
index 0000000..7b84350
--- /dev/null
+++ b/src/c/hardware/rasberrypi/gpio/u8RPIDigitalIns.c
@@ -0,0 +1,24 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution. The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Siddhesh Wani
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+/* Function to read the state of the gpio pin */
+
+#include "types.h"
+#include "RPIPeripheralDigital.h"
+
+/*pin is reduced by one as array index starts from 0 and pin no starts from 1*/
+uint8 u8RPIDigitalIns(uint8 pin)
+{
+ uint8 state = 0;
+ state = digitalRead(phy_pin[pin-1]);
+ return (state);
+}
diff --git a/src/c/hardware/rasberrypi/gpio/u8RPIDigitalOuts.c b/src/c/hardware/rasberrypi/gpio/u8RPIDigitalOuts.c
new file mode 100644
index 0000000..f828f77
--- /dev/null
+++ b/src/c/hardware/rasberrypi/gpio/u8RPIDigitalOuts.c
@@ -0,0 +1,26 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution. The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Siddhesh Wani
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+/* Function to change the output state of the gpio pin */
+
+
+#include "types.h"
+#include "RPIPeripheralDigital.h"
+
+/*pin is reduced by one as array index starts from 0 and pin no starts from 1*/
+void u8RPIDigitalOuts(uint8 pin, uint8 state)
+{
+ if (state == 0) /*low output*/
+ digitalWrite(phy_pin[pin-1], LOW);
+ if (state == 1) /*high output*/
+ digitalWrite(phy_pin[pin-1], HIGH);
+}
diff --git a/src/c/hardware/rasberrypi/gpio/u8RPIDigitalSetups.c b/src/c/hardware/rasberrypi/gpio/u8RPIDigitalSetups.c
new file mode 100644
index 0000000..f5fefe0
--- /dev/null
+++ b/src/c/hardware/rasberrypi/gpio/u8RPIDigitalSetups.c
@@ -0,0 +1,39 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution. The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Siddhesh Wani
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+/* Function to setup digital pins
+ direction = 1 -> output
+ direction = 0 -> input
+*/
+
+#include "types.h"
+#include "RPIPeripheralDigital.h"
+
+
+/*This array maps pin numbers on RPi board, with pin numbers corrsponding
+to WiringPi library*/
+int phy_pin[] = {17, 17, 8, 17, 9, 17, 7, 15, 17, 16, /*Pin 1 to 10*/
+ 0, 1, 2, 17, 3, 4, 17, 5, 12, 17, /*Pin 11 to 20*/
+ 13, 6, 14, 10, 17, 11, 30, 31, 21, 17, /*Pin 21 to 30*/
+ 22, 26, 23, 17, 24, 27, 25, 28, 17, 29 }; /*Pin 31 to 40*/
+
+/*pin is reduced by one as arrayiindex starts from 0 and pin no starts from 1*/
+void u8RPIDigitalSetups(uint8 pin, uint8 direction)
+{
+ if(direction == 1) /*Pin to be used as output*/
+ pinMode(phy_pin[pin-1], OUTPUT);
+ else if(direction == 2)
+ pinMode(phy_pin[pin-1], PWM_OUTPUT);
+ else
+ pinMode(phy_pin[pin-1], INPUT);
+
+}