adding i2s pins as gpio capable for the chip pro, code to handle per pwm/softpwm cleanup to close #64

CHANGELOG.rst

@@ -1,3 +1,8 @@
+0.5.7
+---
+* Added the I2S pins on the CHIP Pro as GPIO capable
+* Added per PWM/SoftPWM cleanup per Issue #64
+
 0.5.6
 ---
 * Fix for Issue #63 where re-setting up a pin wasn't lining up with RPi.GPIO standards. Calling setup after the first time will now update direction.

debian/changelog

@@ -1,3 +1,10 @@
+chip-io (0.5.7-1) unstable; urgency=low
+
+  * Added the I2S pins on the CHIP Pro as GPIO capable
+  * Added per PWM/SoftPWM cleanup per Issue #64
+
+ -- Robert Wolterman <robert.wolterman@gmail.com>  Mon, 01 May 2017 22:47:00 -0600
+
 chip-io (0.5.6-1) unstable; urgency=low
 
   * Fix for Issue #63 where re-setting up a pin wasn't lining up with RPi.GPIO standards. Calling setup after the first time will now update direction.

debian/files

@@ -1,2 +1,2 @@
-python-chip-io_0.5.5-1_armhf.deb python optional
+python-chip-io_0.5.6-1_armhf.deb python optional
-python3-chip-io_0.5.5-1_armhf.deb python optional
+python3-chip-io_0.5.6-1_armhf.deb python optional

setup.py

@@ -13,7 +13,7 @@ classifiers = ['Development Status :: 3 - Alpha',
                'Topic :: System :: Hardware']
 
 setup(name             = 'CHIP_IO',
-      version          = '0.5.6',
+      version          = '0.5.7',
       author           = 'Robert Wolterman',
       author_email     = 'robert.wolterman@gmail.com',
       description      = 'A module to control CHIP IO channels',

source/common.c

@@ -138,6 +138,11 @@ pins_t pins_info[] = {
   { "CSID7",     "D7",          "U14_38", 139, BASE_METHOD_AS_IS, -1, -1, BOTH},
   { "GND",       "GND",         "U14_39",  -1, BASE_METHOD_AS_IS, -1, -1, BOTH},
   { "GND",       "GND",         "U14_40",  -1, BASE_METHOD_AS_IS, -1, -1, BOTH},
+  { "I2S-MCLK",  "EINT19",      "21",      37, BASE_METHOD_AS_IS, -1, -1, CHIPPRO},
+  { "I2S-BCLK",  "I2S-BCLK",    "22",      38, BASE_METHOD_AS_IS, -1, -1, CHIPPRO},
+  { "I2S-LCLK",  "I2S-LCLK",    "23",      39, BASE_METHOD_AS_IS, -1, -1, CHIPPRO},
+  { "I2S-DO",    "I2S-DO",      "24",      40, BASE_METHOD_AS_IS, -1, -1, CHIPPRO},
+  { "I2S-DI",    "EINT24",      "25",      41, BASE_METHOD_AS_IS, -1, -1, CHIPPRO},
   { NULL,        NULL,          NULL,      -1, 0,                 -1, -1, -1}
 };
 

source/constants.c

@@ -85,6 +85,6 @@ void define_constants(PyObject *module)
    bcm = Py_BuildValue("i", BCM);
    PyModule_AddObject(module, "BCM", bcm);
 
-   version = Py_BuildValue("s", "0.5.6");
+   version = Py_BuildValue("s", "0.5.7");
    PyModule_AddObject(module, "VERSION", version);
 }

source/py_pwm.c

@@ -34,11 +34,29 @@ SOFTWARE.
 #include "common.h"
 #include "c_pwm.h"
 
-// python function cleanup()
+// python function cleanup(channel)
-static PyObject *py_cleanup(PyObject *self, PyObject *args)
+static PyObject *py_cleanup(PyObject *self, PyObject *args, PyObject *kwargs)
 {
-    // unexport the PWM
+    char key[8];
+    char *channel;
+    static char *kwlist[] = {"channel", NULL};
+
+    clear_error_msg();
+
+    // Channel is optional
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|s", kwlist, &channel)) {
+        return NULL;
+    }
+
+    // The !channel fixes issues #50
+    if (channel == NULL || strcmp(channel, "\0") == 0) {
         pwm_cleanup();
+    } else {
+        if (!get_pwm_key(channel, key)) {
+            pwm_cleanup();
+        }
+        pwm_disable(key);
+    }
 
     Py_RETURN_NONE;
 }
@@ -395,7 +413,7 @@ PyMethodDef pwm_methods[] = {
     {"set_frequency", (PyCFunction)py_set_frequency, METH_VARARGS, "Change the frequency\nfrequency - frequency in Hz (freq > 0.0)" },
     {"set_period_ns", (PyCFunction)py_set_period_ns, METH_VARARGS, "Change the period\nperiod_ns - period in nanoseconds" },
     {"set_pulse_width_ns", (PyCFunction)py_set_pulse_width_ns, METH_VARARGS, "Change the period\npulse_width_ns - pulse width in nanoseconds" },
-    {"cleanup", py_cleanup, METH_VARARGS, "Clean up by resetting all GPIO channels that have been used by this program to INPUT with no pullup/pulldown and no event detection"},
+    {"cleanup", (PyCFunction)py_cleanup, METH_VARARGS | METH_KEYWORDS, "Clean up by resetting PWM channel(s) that have been used by this program to be disabled"},
     {"toggle_debug", py_toggle_debug, METH_VARARGS, "Toggles the enabling/disabling of Debug print output"},
     {"is_chip_pro", py_is_chip_pro, METH_VARARGS, "Is hardware a CHIP Pro? Boolean False for normal CHIP/PocketCHIP (R8 SOC)"},
     {NULL, NULL, 0, NULL}

source/py_softpwm.c

@@ -43,11 +43,29 @@ static PyObject *py_toggle_debug(PyObject *self, PyObject *args)
     Py_RETURN_NONE;
 }
 
-// python function cleanup()
+// python function cleanup(channel)
-static PyObject *py_cleanup(PyObject *self, PyObject *args)
+static PyObject *py_cleanup(PyObject *self, PyObject *args, PyObject *kwargs)
 {
-    // unexport the PWM
+    char key[8];
+    char *channel;
+    static char *kwlist[] = {"channel", NULL};
+
+    clear_error_msg();
+
+    // Channel is optional
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|s", kwlist, &channel)) {
+        return NULL;
+    }
+
+    // The !channel fixes issues #50
+    if (channel == NULL || strcmp(channel, "\0") == 0) {
         softpwm_cleanup();
+    } else {
+        if (!get_key(channel, key)) {
+            softpwm_cleanup();
+        }
+        softpwm_disable(key);
+    }
 
     Py_RETURN_NONE;
 }
@@ -300,7 +318,7 @@ PyMethodDef pwm_methods[] = {
     {"stop", (PyCFunction)py_stop_channel, METH_VARARGS | METH_KEYWORDS, "Stop the PWM channel.  channel can be in the form of 'XIO-P0', or 'U14_13'"},
     {"set_duty_cycle", (PyCFunction)py_set_duty_cycle, METH_VARARGS, "Change the duty cycle\ndutycycle - between 0.0 and 100.0" },
     {"set_frequency", (PyCFunction)py_set_frequency, METH_VARARGS, "Change the frequency\nfrequency - frequency in Hz (freq > 0.0)" },
-    {"cleanup", (PyCFunction)py_cleanup, METH_VARARGS, "Clean up by resetting all GPIO channels that have been used by this program to INPUT with no pullup/pulldown and no event detection"},
+    {"cleanup", (PyCFunction)py_cleanup, METH_VARARGS | METH_KEYWORDS, "Clean up by resetting all GPIO channels that have been used by this program to INPUT with no pullup/pulldown and no event detection"},
     {"toggle_debug", py_toggle_debug, METH_VARARGS, "Toggles the enabling/disabling of Debug print output"},
     {"is_chip_pro", py_is_chip_pro, METH_VARARGS, "Is hardware a CHIP Pro? Boolean False for normal CHIP/PocketCHIP (R8 SOC)"},
     {NULL, NULL, 0, NULL}