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add exponential

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This commit is contained in:
Harald Pichler 2016-01-25 22:39:52 +01:00
parent f2fe41017b
commit c09625704c
2 changed files with 7 additions and 5 deletions
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2
examples/osd/arduino-roller/Makefile
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@ -15,7 +15,7 @@ CONTIKI_WITH_IPV6 = 1
CFLAGS += -DPROJECT_CONF_H=\"project-conf.h\" CFLAGS += -DPROJECT_CONF_H=\"project-conf.h\"
PROJECT_SOURCEFILES += ${SKETCH}.cpp klin.c PROJECT_SOURCEFILES += ${SKETCH}.cpp kexp.c
# automatically build RESTful resources # automatically build RESTful resources
REST_RESOURCES_DIR = ./resources REST_RESOURCES_DIR = ./resources

10
examples/osd/arduino-roller/sketch.pde
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@ -13,7 +13,7 @@
extern "C" { extern "C" {
#include "rest-engine.h" #include "rest-engine.h"
#include "dev/servo.h" #include "dev/servo.h"
#include "klin.h" // linera values lookup table #include "kexp.h" // exponential values lookup table
extern resource_t res_poti, res_battery; extern resource_t res_poti, res_battery;
uint8_t poti_pin = A5; uint8_t poti_pin = A5;
@ -53,9 +53,11 @@ void setup (void)
void loop (void) void loop (void)
{ {
int value; int value;
int vlookup;
poti_voltage = analogRead(poti_pin); poti_voltage = analogRead(poti_pin);
value=scale (345,868,servo_min,servo_max,poti_voltage); value=scale (345,868,servo_min,servo_max,poti_voltage);
uint16_t lookup_Daumengas(uint16_t i); vlookup=lookup_Daumengas(value-servo_min)+servo_min;
servo_set(1,lookup_Daumengas(value)); servo_set(1,vlookup);
printf("%d,%d\n",poti_voltage,value); // servo_set(1,value);
printf("%d,%d,%d\n",poti_voltage,value,vlookup);
} }