iio: Add initial module

[contrib/mraa.git] / include / mraa_internal_types.h

diff --git a/include/mraa_internal_types.h b/include/mraa_internal_types.h
index cdb5950..af7fd02 100644 (file)
--- a/include/mraa_internal_types.h
+++ b/include/mraa_internal_types.h
@@ -30,6 +30,11 @@
 #include "mraa_func.h"
 #include "mraa_adv_func.h"
 
+// Bionic does not implement pthread cancellation API
+#ifndef __BIONIC__
+#define HAVE_PTHREAD_CANCEL
+#endif
+
 // general status failures for internal functions
 #define MRAA_PLATFORM_NO_INIT -3
 #define MRAA_IO_SETUP_FAILURE -2
@@ -47,6 +52,10 @@ struct _gpio {
     void *isr_args; /**< args return when interupt service request triggered */
     pthread_t thread_id; /**< the isr handler thread id */
     int isr_value_fp; /**< the isr file pointer on the value */
+#ifndef HAVE_PTHREAD_CANCEL
+    int isr_control_pipe[2]; /**< a pipe used to interrupt the isr from polling the value fd*/
+#endif
+    mraa_boolean_t isr_thread_terminating; /**< is the isr thread being terminated? */
     mraa_boolean_t owner; /**< If this context originally exported the pin */
     mraa_result_t (*mmap_write) (mraa_gpio_context dev, int value);
     int (*mmap_read) (mraa_gpio_context dev);
@@ -121,6 +130,13 @@ struct _uart {
 };
 
 /**
+ * A structure reprensting an IIO device
+ */
+struct _iio {
+    int num; /**< IIO device number */
+};
+
+/**
  * A bitfield representing the capabilities of a pin.
  */
 typedef struct {
@@ -251,6 +267,7 @@ typedef struct _board_t {
     unsigned int def_uart_dev; /**< Position in array of defult uart */
     unsigned int uart_dev_count; /**< Usable spi Count */
     mraa_uart_dev_t uart_dev[6]; /**< Array of UARTs */
+    mraa_boolean_t no_bus_mux; /**< i2c/spi/adc/pwm/uart bus muxing setup not required */
     int pwm_default_period; /**< The default PWM period is US */
     int pwm_max_period; /**< Maximum period in us */
     int pwm_min_period; /**< Minimum period in us */