add libs

lib_gpio/tests/gpio_input_1bit_test/Makefile

@@ -0,0 +1,36 @@
+# The TARGET variable determines what target system the application is
+# compiled for. It either refers to an XN file in the source directories
+# or a valid argument for the --target option when compiling.
+
+TARGET = SLICEKIT-L16
+
+# The APP_NAME variable determines the name of the final .xe file. It should
+# not include the .xe postfix. If left blank the name will default to
+# the project name
+
+APP_NAME =
+
+# The flags passed to xcc when building the application
+# You can also set the following to override flags for a particular language:
+#
+#    XCC_XC_FLAGS, XCC_C_FLAGS, XCC_ASM_FLAGS, XCC_CPP_FLAGS
+#
+# If the variable XCC_MAP_FLAGS is set it overrides the flags passed to
+# xcc for the final link (mapping) stage.
+
+COMMON_FLAGS = -O2 -g -save-temps -DDEBUG_PRINT_ENABLE=1 -report
+
+XCC_FLAGS_input_basic = $(COMMON_FLAGS) -DEVENTS=0 -DTIMESTAMPS=0
+XCC_FLAGS_input_events = $(COMMON_FLAGS) -DEVENTS=1 -DTIMESTAMPS=0
+XCC_FLAGS_input_timestamps = $(COMMON_FLAGS) -DEVENTS=0 -DTIMESTAMPS=1
+
+# The USED_MODULES variable lists other module used by the application.
+
+USED_MODULES = lib_gpio lib_logging
+
+#=============================================================================
+# The following part of the Makefile includes the common build infrastructure
+# for compiling XMOS applications. You should not need to edit below here.
+
+XMOS_MAKE_PATH ?= ../..
+include $(XMOS_MAKE_PATH)/xcommon/module_xcommon/build/Makefile.common

lib_gpio/tests/gpio_input_1bit_test/src/main.xc

@@ -0,0 +1,105 @@
+// Copyright 2015-2021 XMOS LIMITED.
+// This Software is subject to the terms of the XMOS Public Licence: Version 1.
+#include <gpio.h>
+#include <xs1.h>
+#include <timer.h>
+#include <syscall.h>
+#include "debug_print.h"
+
+#define NUM_TEST_EVENTS (2)
+#define TIMESTAMP_TEST_DELAY_MICROSECONDS (5)
+#define TIMESTAMP_TEST_DELAY_CLOCKS (TIMESTAMP_TEST_DELAY_MICROSECONDS * XS1_TIMER_MHZ)
+#define TIMESTAMP_TEST_DELAY_SLACK_CLOCKS (100)
+
+port input_port = XS1_PORT_1A;
+port trigger_port = XS1_PORT_4B;
+
+void read_port_on_event(client input_gpio_if input_port) {
+    unsigned int completed_events = 0;
+    unsigned int expected_value = 1;
+
+    /* Setup event that should trigger immediately */
+    input_port.event_when_pins_eq(expected_value);
+    debug_printf("xCORE setup pins eq event\n");
+
+    while (1) {
+        select {
+            case input_port.event():
+                debug_printf("xCORE got input port event\n");
+                completed_events++;
+                // Read value on pin to make sure it's correct
+                unsigned int pin_data = input_port.input();
+                if (pin_data != expected_value) {
+                    debug_printf("ERROR: Data 0x%x read does not match expected data 0x%x\n",
+                        pin_data, expected_value);
+                }
+
+                if (completed_events < NUM_TEST_EVENTS) {
+                /* Setup event that should trigger later */
+                // Flip expected_value each iteration of test
+                expected_value = !expected_value;
+                input_port.event_when_pins_eq(expected_value);
+                debug_printf("xCORE setup pins eq event\n");
+                // Trigger simulator to output new expected_value
+                debug_printf("xCORE driving trigger port\n");
+                trigger_port <: 1;
+                } else {
+                    _exit(0);
+                }
+                break;
+        }
+    }
+}
+
+void read_port(client input_gpio_if input_port) {
+    unsigned int pin_data;
+    unsigned int expected_value = 1;
+    
+    if (TIMESTAMPS) {
+        gpio_time_t ts1, ts2;
+        pin_data = input_port.input_and_timestamp(ts1);
+        // Wait known time before second input with timestamp
+        delay_microseconds(TIMESTAMP_TEST_DELAY_MICROSECONDS);
+        input_port.input_and_timestamp(ts2);
+        // Check that the second ts is a later time than the first
+        if (porttimeafter(ts1, ts2)) {
+            debug_printf("ERROR: Second timestamp (%d) read appears to be earlier than first (%d)\n",
+                ts2, ts1);
+        }
+        // Sanity check difference between timestamps
+        if ((ts2 - ts1) <
+            (TIMESTAMP_TEST_DELAY_CLOCKS - TIMESTAMP_TEST_DELAY_SLACK_CLOCKS)) {
+            debug_printf("ERROR: Difference between timestamps (%d, %d) read smaller than expected\n",
+                ts1, ts2);
+        }
+        if ((ts2 - ts1) >
+            (TIMESTAMP_TEST_DELAY_CLOCKS + TIMESTAMP_TEST_DELAY_SLACK_CLOCKS)) {
+            debug_printf("ERROR: Difference between timestamps (%d, %d) read larger than expected\n",
+                ts1, ts2);
+        }
+    } else {
+        pin_data = input_port.input();
+    }
+
+    if (pin_data != expected_value) {
+        debug_printf("ERROR: Data 0x%x read does not match expected data 0x%x\n",
+            pin_data, expected_value);
+    } else {
+        debug_printf("xCORE input data correctly\n");
+    }
+
+    _exit(0);
+}
+
+int main(void) {
+    interface input_gpio_if i_input_port;
+    par {
+        input_gpio_1bit_with_events(i_input_port, input_port);
+#if EVENTS
+        read_port_on_event(i_input_port);
+#else
+        read_port(i_input_port);
+#endif
+    }
+    return 0;
+}

lib_gpio/tests/gpio_input_1bit_test/wscript

@@ -0,0 +1,14 @@
+def options(opt):
+    opt.load('xwaf.xcommon')
+
+def configure(conf):
+    conf.load('xwaf.xcommon')
+
+def build(bld):
+    bld.do_xcommon()
+
+def dist(ctx):
+    ctx.load('xwaf.xcommon')
+
+def distcheck(ctx):
+    ctx.load('xwaf.xcommon')