j/cable-length-cutter
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Fix random cutter stops (evaluateSwitch)

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- use evaluatedSwitch class for position switch instead of reading gpio
directly because it triggered incorrectly too often

- cutter_stop()  only switch to CANCELED when not in IDLE already
This commit is contained in:
jonny_l480 2022-09-06 14:26:29 +02:00
parent 9600932ae8
commit fab75661c2
3 changed files with 22 additions and 9 deletions
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20
main/cutter.cpp
View File

@ -19,6 +19,8 @@ cutter_state_t cutter_state = cutter_state_t::IDLE;
uint32_t timestamp_turnedOn;
uint32_t msTimeout = 3000;
static const char *TAG = "cutter"; //tag for logging
gpio_evaluatedSwitch POSITION_SW(GPIO_CUTTER_POS_SW, true, false); //pullup true, not inverted (switch to GND, internal pullup used)
@ -37,7 +39,9 @@ void cutter_start(){
//========= stop =========
//========================
void cutter_stop(){
setState(cutter_state_t::CANCELED);
if(cutter_state =! cutter_state_t::IDLE){
setState(cutter_state_t::CANCELED);
}
//starts motor on state change
}
@ -110,6 +114,12 @@ bool checkTimeout(){
//========================
//function that handles the cutter logic -> has to be run repeatedly
void cutter_handle(){
//handle evaluated switch (position switch)
POSITION_SW.handle();
//TODO add custom thresholds once at initialization?
//POSITION_SW.minOnMs = 10;
//POSITION_SW.minOffMs = 10;
switch(cutter_state){
case cutter_state_t::IDLE:
@ -120,8 +130,8 @@ void cutter_handle(){
case cutter_state_t::START:
//--- moved away from idle position ---
if (gpio_get_level(GPIO_CUTTER_POS_SW) == 0){ //switch closed
//FIXME: initialize gpio as input with PULLUP somewhere
//if (gpio_get_level(GPIO_CUTTER_POS_SW) == 0){ //contact closed
if (POSITION_SW.state == true) { //contact closed -> not at idle pos
setState(cutter_state_t::CUTTING);
}
//--- timeout ---
@ -133,7 +143,9 @@ void cutter_handle(){
case cutter_state_t::CUTTING:
//--- idle position reached ---
if (gpio_get_level(GPIO_CUTTER_POS_SW) == 1){ //switch not closed
//if (gpio_get_level(GPIO_CUTTER_POS_SW) == 1){ //contact not closed
//TODO: add min on duration
if (POSITION_SW.state == false) { //contact open -> at idle pos
setState(cutter_state_t::IDLE);
}
//--- timeout ---

1
main/cutter.hpp
View File

@ -6,6 +6,7 @@ extern "C"
#include "buzzer.hpp"
#include "display.hpp"
#include "gpio_evaluateSwitch.hpp"
//--- variables ---

10
main/main.cpp
View File

@ -44,11 +44,11 @@ void init_gpios(){
//initialize and configure ADC
adc1_config_width(ADC_WIDTH_BIT_12); //=> max resolution 4096
adc1_config_channel_atten(ADC_CHANNEL_POTI, ADC_ATTEN_DB_11); //max voltage
//initialize input for cutter position switch with pullup
gpio_pad_select_gpio(GPIO_CUTTER_POS_SW);
gpio_set_direction(GPIO_CUTTER_POS_SW, GPIO_MODE_INPUT);
gpio_pad_select_gpio(GPIO_CUTTER_POS_SW);
gpio_set_pull_mode(GPIO_CUTTER_POS_SW, GPIO_PULLUP_ONLY);
////initialize input for cutter position switch with pullup (now done via evaluatedSwitch construcor)
//gpio_pad_select_gpio(GPIO_CUTTER_POS_SW);
//gpio_set_direction(GPIO_CUTTER_POS_SW, GPIO_MODE_INPUT);
//gpio_pad_select_gpio(GPIO_CUTTER_POS_SW);
//gpio_set_pull_mode(GPIO_CUTTER_POS_SW, GPIO_PULLUP_ONLY);
}