AP_ADC: remove example tailored to a single ADC

This is the only user of ADS7844 - we don't have it actually used in our
boards. Remove the example since we can later add a more generic one or
at least one that reuses a driver from our boards.

libraries/AP_ADC/examples/AP_ADC_test/AP_ADC_test.cpp

@@ -1,116 +0,0 @@
-
-/*
- *  Example of APM_ADC library.
- *  Code by Jordi Muñoz and Jose Julio. DIYDrones.com
- */
-
-#include <cmath>
-
-#include <AP_Common/AP_Common.h>
-#include <AP_Math/AP_Math.h>
-#include <AP_Param/AP_Param.h>
-#include <StorageManager/StorageManager.h>
-
-#include <AP_HAL/AP_HAL.h>
-
-#include <AP_ADC/AP_ADC.h>
-
-uint32_t timer;
-
-const AP_HAL::HAL& hal = AP_HAL::get_HAL();
-
-/* Only build this sketch for Linux */
-#if CONFIG_HAL_BOARD == HAL_BOARD_LINUX
-
-AP_ADC_ADS7844 adc;
-
-void setup()
-{
-    hal.console->println("ArduPilot Mega ADC library test");
-    hal.scheduler->delay(1000);
-
-    adc.Init();       // APM ADC initialization
-
-    hal.scheduler->delay(1000);
-    timer = AP_HAL::millis();
-}
-
-static const uint8_t channel_map[6] = { 1, 2, 0, 4, 5, 6};
-float v;
-uint32_t last_usec = 0;
-
-static void show_timing()
-{
-    uint32_t mint = (uint32_t)-1, maxt = 0, totalt=0;
-    uint32_t start_time = AP_HAL::millis();
-    float result[6];
-    uint32_t count = 0;
-
-    hal.console->println("Starting timing test");
-
-    adc.Ch6(channel_map, result);
-
-    do {
-        uint32_t deltat = adc.Ch6(channel_map, result);
-        if (deltat > maxt) maxt = deltat;
-        if (deltat < mint) mint = deltat;
-        totalt += deltat;
-        count++;
-    } while ((AP_HAL::millis() - start_time) < 5000);
-
-    hal.console->printf("timing: mint=%u maxt=%u avg=%u\n", mint, maxt, totalt/count);
-}
-
-static void show_data()
-{
-    float result[6];
-    uint32_t deltat = 0;
-    uint16_t ch3;
-    float min[6], max[6];
-    uint8_t i;
-
-    for (i=0; i<6; i++) {
-        /* clearly out of bounds values: */
-        min[i] = 99999999.0f;
-        max[i] = -88888888.0f;
-    } 
-
-
-    do {
-        ch3 = adc.Ch(3);
-        deltat += adc.Ch6(channel_map, result);
-        for (i=0; i<6; i++) {
-            if (result[i] < min[i]) min[i] = result[i];
-            if (result[i] > max[i]) max[i] = result[i];
-            if (fabsf(result[i]) > 0x8000) {
-                hal.console->printf("result[%u]=%f\n", (unsigned)i, result[i]);
-            }
-        }
-    } while ((AP_HAL::millis() - timer) < 200);
-
-    timer = AP_HAL::millis();
-    hal.console->printf("g=(%f,%f,%f) a=(%f,%f,%f) +/-(%.0f,%.0f,%.0f,%.0f,%.0f,%.0f) gt=%u dt=%u\n",
-                  result[0], result[1], result[2],
-                  result[3], result[4], result[5],
-                  (max[0]-min[0]), (max[1]-min[1]), (max[2]-min[2]),
-                  (max[3]-min[3]), (max[4]-min[4]), (max[5]-min[5]),
-                  ch3, (unsigned)(deltat/1000));
-}
-
-
-void loop()
-{
-    if (AP_HAL::millis() < 5000) {
-        show_timing();
-    } else {
-        show_data();
-    }
-}
-
-#else
-#warning AP_ADC_test built as stub
-void setup () {}
-void loop () {}
-#endif  // CONFIG_HAL_BOARD
-
-AP_HAL_MAIN();

libraries/AP_ADC/examples/AP_ADC_test/Makefile

@@ -1,2 +0,0 @@
-BOARD	=	mega2560
-include ../../../../mk/apm.mk

libraries/AP_ADC/examples/AP_ADC_test/make.inc

@@ -1,5 +0,0 @@
-LIBRARIES += AP_ADC
-LIBRARIES += AP_Common
-LIBRARIES += AP_Math
-LIBRARIES += AP_Param
-LIBRARIES += StorageManager

libraries/AP_ADC/examples/AP_ADC_test/wscript

@@ -1,10 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-
-def build(bld):
-    if bld.env.BOARD in ['sitl']:
-        return
-
-    bld.ap_example(
-        use='ap',
-    )