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gpio.c
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gpio.c
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/* Copyright (C)
* 2020 - John Melton, G0ORX/N6LYT
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
// Rewrite to use gpiod rather than wiringPi
// Note that all pin numbers are now the Broadcom GPIO
#include <gtk/gtk.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <stdint.h>
#include <fcntl.h>
#include <poll.h>
#include <sched.h>
#ifdef GPIO
#include <gpiod.h>
#include <linux/i2c-dev.h>
#include <i2c/smbus.h>
#include <sys/ioctl.h>
#endif
#include "band.h"
#include "channel.h"
#include "discovered.h"
#include "mode.h"
#include "filter.h"
#include "bandstack.h"
#include "toolbar.h"
#include "radio.h"
#include "toolbar.h"
#include "main.h"
#include "property.h"
#include "vfo.h"
#include "wdsp.h"
#include "new_menu.h"
#include "encoder_menu.h"
#include "diversity_menu.h"
#include "actions.h"
#include "gpio.h"
#include "i2c.h"
#include "ext.h"
#include "sliders.h"
#include "new_protocol.h"
#include "zoompan.h"
#ifdef LOCALCW
#include "iambic.h"
//
// Broadcom pins #9, 10, 11 are not used
// by Controller1 and Controller2_V1
// (and keep #2,3 reserved for I2C extensions)
//
int CWL_BUTTON=9;
int CWR_BUTTON=11;
int SIDETONE_GPIO=10;
int ENABLE_GPIO_SIDETONE=0;
int ENABLE_CW_BUTTONS=1;
int CW_ACTIVE_LOW=1;
#endif
#ifdef PTT
int ENABLE_PTT_GPIO=1;
int PTT_GPIO=14;
int PTT_ACTIVE_LOW=1;
#endif
enum {
TOP_ENCODER,
BOTTOM_ENCODER
};
enum {
A,
B
};
// encoder state table
#define R_START 0x0
#define R_CW_FINAL 0x1
#define R_CW_BEGIN 0x2
#define R_CW_NEXT 0x3
#define R_CCW_BEGIN 0x4
#define R_CCW_FINAL 0x5
#define R_CCW_NEXT 0x6
#define DIR_NONE 0x0
// Clockwise step.
#define DIR_CW 0x10
// Anti-clockwise step.
#define DIR_CCW 0x20
guchar encoder_state_table[7][4] = {
// R_START
{R_START, R_CW_BEGIN, R_CCW_BEGIN, R_START},
// R_CW_FINAL
{R_CW_NEXT, R_START, R_CW_FINAL, R_START | DIR_CW},
// R_CW_BEGIN
{R_CW_NEXT, R_CW_BEGIN, R_START, R_START},
// R_CW_NEXT
{R_CW_NEXT, R_CW_BEGIN, R_CW_FINAL, R_START},
// R_CCW_BEGIN
{R_CCW_NEXT, R_START, R_CCW_BEGIN, R_START},
// R_CCW_FINAL
{R_CCW_NEXT, R_CCW_FINAL, R_START, R_START | DIR_CCW},
// R_CCW_NEXT
{R_CCW_NEXT, R_CCW_FINAL, R_CCW_BEGIN, R_START},
};
#ifdef GPIO
char *consumer="pihpsdr";
char *gpio_device="/dev/gpiochip0";
static struct gpiod_chip *chip=NULL;
#endif
static GMutex encoder_mutex;
static GThread *monitor_thread_id;
int I2C_INTERRUPT=15;
#define MAX_LINES 32
int monitor_lines[MAX_LINES];
int lines=0;
long settle_time=50; // ms
// VFO Encoder is always last
ENCODER encoders_no_controller[MAX_ENCODERS]={
{FALSE,TRUE,0,0,0,0,0,0,R_START,FALSE,TRUE,0,0,0,0,0,0,R_START,FALSE,TRUE,0,0,0L},
{FALSE,TRUE,0,0,0,0,0,0,R_START,FALSE,TRUE,0,0,0,0,0,0,R_START,FALSE,TRUE,0,0,0L},
{FALSE,TRUE,0,0,0,0,0,0,R_START,FALSE,TRUE,0,0,0,0,0,0,R_START,FALSE,TRUE,0,0,0L},
{FALSE,TRUE,0,0,0,0,0,0,R_START,FALSE,TRUE,0,0,0,0,0,0,R_START,FALSE,TRUE,0,0,0L},
{FALSE,TRUE,0,0,0,0,0,0,R_START,FALSE,TRUE,0,0,0,0,0,0,R_START,FALSE,TRUE,0,0,0L},
};
ENCODER encoders_controller1[MAX_ENCODERS]={
{TRUE,TRUE,20,1,26,1,0,AF_GAIN,R_START,FALSE,TRUE,0,0,0,0,0,0,R_START,TRUE,TRUE,25,MENU_BAND,0L},
{TRUE,TRUE,16,1,19,1,0,AGC_GAIN,R_START,FALSE,TRUE,0,0,0,0,0,0,R_START,TRUE,TRUE,8,MENU_BANDSTACK,0L},
{TRUE,TRUE,4,1,21,1,0,DRIVE,R_START,FALSE,TRUE,0,0,0,0,0,0,R_START,TRUE,TRUE,7,MENU_MODE,0L},
{TRUE,TRUE,18,1,17,1,0,VFO,R_START,FALSE,TRUE,0,0,0,0,0,0,R_START,FALSE,TRUE,0,0,0L},
{FALSE,TRUE,0,1,0,0,1,0,R_START,FALSE,TRUE,0,0,0,0,0,0,R_START,FALSE,TRUE,0,0,0L},
};
ENCODER encoders_controller2_v1[MAX_ENCODERS]={
{TRUE,TRUE,20,1,26,1,0,AF_GAIN,R_START,FALSE,TRUE,0,0,0,0,0,0,R_START,TRUE,TRUE,22,MENU_BAND,0L},
{TRUE,TRUE,4,1,21,1,0,AGC_GAIN,R_START,FALSE,TRUE,0,0,0,0,0,0,R_START,TRUE,TRUE,27,MENU_BANDSTACK,0L},
{TRUE,TRUE,16,1,19,1,0,IF_WIDTH,R_START,FALSE,TRUE,0,0,0,0,0,0,R_START,TRUE,TRUE,23,MENU_MODE,0L},
{TRUE,TRUE,25,1,8,1,0,RIT,R_START,FALSE,TRUE,0,0,0,0,0,0,R_START,TRUE,TRUE,24,MENU_FREQUENCY,0L},
{TRUE,TRUE,18,1,17,1,0,VFO,R_START,FALSE,TRUE,0,0,0,0,0,0,R_START,FALSE,TRUE,0,0,0L},
};
ENCODER encoders_controller2_v2[MAX_ENCODERS]={
{TRUE,TRUE,5,1,6,1,0,DRIVE,R_START,TRUE,TRUE,26,1,20,1,0,AF_GAIN,R_START,TRUE,TRUE,22,MENU_BAND,0L},
{TRUE,TRUE,9,1,7,1,0,ATTENUATION,R_START,TRUE,TRUE,21,1,4,1,0,AGC_GAIN,R_START,TRUE,TRUE,27,MENU_MODE,0L},
{TRUE,TRUE,11,1,10,1,0,IF_WIDTH,R_START,TRUE,TRUE,19,1,16,1,0,IF_SHIFT,R_START,TRUE,TRUE,23,MENU_FILTER,0L},
{TRUE,TRUE,13,1,12,1,0,XIT,R_START,TRUE,TRUE,8,1,25,1,0,RIT,R_START,TRUE,TRUE,24,MENU_FREQUENCY,0L},
{TRUE,TRUE,18,1,17,1,0,VFO,R_START,FALSE,TRUE,0,0,0,0,0,0,R_START,FALSE,TRUE,0,0,0L},
};
ENCODER *encoders=encoders_no_controller;
SWITCH switches_no_controller[MAX_SWITCHES]={
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L}
};
SWITCH switches_controller1[MAX_FUNCTIONS][MAX_SWITCHES]={
{{TRUE,TRUE,27,MOX,0L},
{TRUE,TRUE,13,MENU_BAND,0L},
{TRUE,TRUE,12,MENU_BANDSTACK,0L},
{TRUE,TRUE,6,MENU_MODE,0L},
{TRUE,TRUE,5,MENU_FILTER,0L},
{TRUE,TRUE,24,MENU_NOISE,0L},
{TRUE,TRUE,23,MENU_AGC,0L},
{TRUE,TRUE,22,FUNCTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L}},
{{TRUE,TRUE,27,MOX,0L},
{TRUE,TRUE,13,LOCK,0L},
{TRUE,TRUE,12,CTUN,0L},
{TRUE,TRUE,6,A_TO_B,0L},
{TRUE,TRUE,5,B_TO_A,0L},
{TRUE,TRUE,24,A_SWAP_B,0L},
{TRUE,TRUE,23,SPLIT,0L},
{TRUE,TRUE,22,FUNCTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L}},
{{TRUE,TRUE,27,MOX,0L},
{TRUE,TRUE,13,MENU_FREQUENCY,0L},
{TRUE,TRUE,12,MENU_MEMORY,0L},
{TRUE,TRUE,6,RIT_ENABLE,0L},
{TRUE,TRUE,5,RIT_PLUS,0L},
{TRUE,TRUE,24,RIT_MINUS,0L},
{TRUE,TRUE,23,RIT_CLEAR,0L},
{TRUE,TRUE,22,FUNCTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L}},
{{TRUE,TRUE,27,MOX,0L},
{TRUE,TRUE,13,MENU_FREQUENCY,0L},
{TRUE,TRUE,12,MENU_MEMORY,0L},
{TRUE,TRUE,6,XIT_ENABLE,0L},
{TRUE,TRUE,5,XIT_PLUS,0L},
{TRUE,TRUE,24,XIT_MINUS,0L},
{TRUE,TRUE,23,XIT_CLEAR,0L},
{TRUE,TRUE,22,FUNCTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L}},
{{TRUE,TRUE,27,MOX,0L},
{TRUE,TRUE,13,MENU_FREQUENCY,0L},
{TRUE,TRUE,12,SPLIT,0L},
{TRUE,TRUE,6,DUPLEX,0L},
{TRUE,TRUE,5,SAT,0L},
{TRUE,TRUE,24,RSAT,0L},
{TRUE,TRUE,23,NO_ACTION,0L},
{TRUE,TRUE,22,FUNCTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L}},
{{TRUE,TRUE,27,MOX,0L},
{TRUE,TRUE,13,TUNE,0L},
{TRUE,TRUE,12,TUNE_FULL,0L},
{TRUE,TRUE,6,TUNE_MEMORY,0L},
{TRUE,TRUE,5,MENU_BAND,0L},
{TRUE,TRUE,24,MENU_MODE,0L},
{TRUE,TRUE,23,MENU_FILTER,0L},
{TRUE,TRUE,22,FUNCTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L},
{FALSE,FALSE,0,NO_ACTION,0L}},
};
SWITCH switches_controller2_v1[MAX_SWITCHES]={
{FALSE,FALSE,0,MOX,0L},
{FALSE,FALSE,0,TUNE,0L},
{FALSE,FALSE,0,PS,0L},
{FALSE,FALSE,0,TWO_TONE,0L},
{FALSE,FALSE,0,NR,0L},
{FALSE,FALSE,0,A_TO_B,0L},
{FALSE,FALSE,0,B_TO_A,0L},
{FALSE,FALSE,0,MODE_MINUS,0L},
{FALSE,FALSE,0,BAND_MINUS,0L},
{FALSE,FALSE,0,MODE_PLUS,0L},
{FALSE,FALSE,0,BAND_PLUS,0L},
{FALSE,FALSE,0,XIT,0L},
{FALSE,FALSE,0,NB,0L},
{FALSE,FALSE,0,SNB,0L},
{FALSE,FALSE,0,LOCK,0L},
{FALSE,FALSE,0,CTUN,0L}
};
SWITCH switches_controller2_v2[MAX_SWITCHES]={
{FALSE,FALSE,0,MOX,0L},
{FALSE,FALSE,0,TUNE,0L},
{FALSE,FALSE,0,PS,0L},
{FALSE,FALSE,0,TWO_TONE,0L},
{FALSE,FALSE,0,NR,0L},
{FALSE,FALSE,0,A_TO_B,0L},
{FALSE,FALSE,0,B_TO_A,0L},
{FALSE,FALSE,0,MODE_MINUS,0L},
{FALSE,FALSE,0,BAND_MINUS,0L},
{FALSE,FALSE,0,MODE_PLUS,0L},
{FALSE,FALSE,0,BAND_PLUS,0L},
{FALSE,FALSE,0,XIT,0L},
{FALSE,FALSE,0,NB,0L},
{FALSE,FALSE,0,SNB,0L},
{FALSE,FALSE,0,LOCK,0L},
{FALSE,FALSE,0,CTUN,0L}
};
SWITCH *switches=switches_controller1[0];
static int running=0;
static GThread *rotary_encoder_thread_id;
static uint64_t epochMilli;
static void initialiseEpoch() {
struct timespec ts ;
clock_gettime (CLOCK_MONOTONIC_RAW, &ts) ;
epochMilli = (uint64_t)ts.tv_sec * (uint64_t)1000 + (uint64_t)(ts.tv_nsec / 1000000L) ;
}
static unsigned int millis () {
uint64_t now ;
struct timespec ts ;
clock_gettime (CLOCK_MONOTONIC_RAW, &ts) ;
now = (uint64_t)ts.tv_sec * (uint64_t)1000 + (uint64_t)(ts.tv_nsec / 1000000L) ;
return (uint32_t)(now - epochMilli) ;
}
static gpointer rotary_encoder_thread(gpointer data) {
PROCESS_ACTION *a;
int i;
usleep(250000);
g_print("%s\n",__FUNCTION__);
while(TRUE) {
g_mutex_lock(&encoder_mutex);
for(i=0;i<MAX_ENCODERS;i++) {
if(encoders[i].bottom_encoder_enabled && encoders[i].bottom_encoder_pos!=0) {
//g_print("%s: BOTTOM encoder %d pos=%d\n",__FUNCTION__,i,encoders[i].bottom_encoder_pos);
a=g_new(PROCESS_ACTION,1);
a->action=encoders[i].bottom_encoder_function;
a->mode=RELATIVE;
if(a->action==VFO && vfo_encoder_divisor>1) {
a->val=encoders[i].bottom_encoder_pos/vfo_encoder_divisor;
encoders[i].bottom_encoder_pos=encoders[i].bottom_encoder_pos-(a->val*vfo_encoder_divisor);
} else {
a->val=encoders[i].bottom_encoder_pos;
encoders[i].bottom_encoder_pos=0;
}
if(a->val!=0) g_idle_add(process_action,a); else g_free(a);
}
if(encoders[i].top_encoder_enabled && encoders[i].top_encoder_pos!=0) {
//g_print("%s: TOP encoder %d pos=%d\n",__FUNCTION__,i,encoders[i].top_encoder_pos);
a=g_new(PROCESS_ACTION,1);
a->action=encoders[i].top_encoder_function;
a->mode=RELATIVE;
if(a->action==VFO && vfo_encoder_divisor>1) {
a->val=encoders[i].top_encoder_pos/vfo_encoder_divisor;
encoders[i].top_encoder_pos=encoders[i].top_encoder_pos-(a->val*vfo_encoder_divisor);
} else {
a->val=encoders[i].top_encoder_pos;
encoders[i].top_encoder_pos=0;
}
if(a->val!=0) g_idle_add(process_action,a); else g_free(a);
}
}
g_mutex_unlock(&encoder_mutex);
usleep(100000); // sleep for 100ms
}
}
int process_function_switch(void *data) {
function++;
if(function>=MAX_FUNCTIONS) {
function=0;
}
switches=switches_controller1[function];
update_toolbar_labels();
return 0;
}
#ifdef GPIO
static void process_encoder(int e,int l,int addr,int val) {
guchar pinstate;
//g_print("%s: encoder=%d level=%d addr=0x%02X val=%d\n",__FUNCTION__,e,l,addr,val);
g_mutex_lock(&encoder_mutex);
switch(l) {
case BOTTOM_ENCODER:
switch(addr) {
case A:
encoders[e].bottom_encoder_a_value=val;
pinstate=(encoders[e].bottom_encoder_b_value<<1) | encoders[e].bottom_encoder_a_value;
encoders[e].bottom_encoder_state=encoder_state_table[encoders[e].bottom_encoder_state&0xf][pinstate];
//g_print("%s: state=%02X\n",__FUNCTION__,encoders[e].bottom_encoder_state);
switch(encoders[e].bottom_encoder_state&0x30) {
case DIR_NONE:
break;
case DIR_CW:
encoders[e].bottom_encoder_pos++;
break;
case DIR_CCW:
encoders[e].bottom_encoder_pos--;
break;
default:
break;
}
//g_print("%s: %d BOTTOM pos=%d\n",__FUNCTION__,e,encoders[e].bottom_encoder_pos);
break;
case B:
encoders[e].bottom_encoder_b_value=val;
pinstate=(encoders[e].bottom_encoder_b_value<<1) | encoders[e].bottom_encoder_a_value;
encoders[e].bottom_encoder_state=encoder_state_table[encoders[e].bottom_encoder_state&0xf][pinstate];
//g_print("%s: state=%02X\n",__FUNCTION__,encoders[e].bottom_encoder_state);
switch(encoders[e].bottom_encoder_state&0x30) {
case DIR_NONE:
break;
case DIR_CW:
encoders[e].bottom_encoder_pos++;
break;
case DIR_CCW:
encoders[e].bottom_encoder_pos--;
break;
default:
break;
}
//g_print("%s: %d BOTTOM pos=%d\n",__FUNCTION__,e,encoders[e].bottom_encoder_pos);
break;
}
break;
case TOP_ENCODER:
switch(addr) {
case A:
encoders[e].top_encoder_a_value=val;
pinstate=(encoders[e].top_encoder_b_value<<1) | encoders[e].top_encoder_a_value;
encoders[e].top_encoder_state=encoder_state_table[encoders[e].top_encoder_state&0xf][pinstate];
//g_print("%s: state=%02X\n",__FUNCTION__,encoders[e].top_encoder_state);
switch(encoders[e].top_encoder_state&0x30) {
case DIR_NONE:
break;
case DIR_CW:
encoders[e].top_encoder_pos++;
break;
case DIR_CCW:
encoders[e].top_encoder_pos--;
break;
default:
break;
}
//g_print("%s: %d TOP pos=%d\n",__FUNCTION__,e,encoders[e].top_encoder_pos);
break;
case B:
encoders[e].top_encoder_b_value=val;
pinstate=(encoders[e].top_encoder_b_value<<1) | encoders[e].top_encoder_a_value;
encoders[e].top_encoder_state=encoder_state_table[encoders[e].top_encoder_state&0xf][pinstate];
//g_print("%s: state=%02X\n",__FUNCTION__,encoders[e].top_encoder_state);
switch(encoders[e].top_encoder_state&0x30) {
case DIR_NONE:
break;
case DIR_CW:
encoders[e].top_encoder_pos++;
break;
case DIR_CCW:
encoders[e].top_encoder_pos--;
break;
default:
break;
}
//g_print("%s: %d TOP pos=%d\n",__FUNCTION__,e,encoders[e].top_encoder_pos);
break;
}
break;
}
g_mutex_unlock(&encoder_mutex);
}
static void process_edge(int offset,int value) {
gint i;
unsigned int t;
gboolean found;
//g_print("%s: offset=%d value=%d\n",__FUNCTION__,offset,value);
found=FALSE;
#ifdef LOCALCW
if(ENABLE_CW_BUTTONS) {
if(offset==CWL_BUTTON) {
keyer_event(1, CW_ACTIVE_LOW ? (value==PRESSED) : value);
found=TRUE;
} else if(offset==CWR_BUTTON) {
keyer_event(1, CW_ACTIVE_LOW ? (value==PRESSED) : value);
found=TRUE;
}
}
if(found) return;
#endif
// check encoders
for(i=0;i<MAX_ENCODERS;i++) {
if(encoders[i].bottom_encoder_enabled && encoders[i].bottom_encoder_address_a==offset) {
//g_print("%s: found %d encoder %d bottom A\n",__FUNCTION__,offset,i);
process_encoder(i,BOTTOM_ENCODER,A,value==PRESSED?1:0);
found=TRUE;
break;
} else if(encoders[i].bottom_encoder_enabled && encoders[i].bottom_encoder_address_b==offset) {
//g_print("%s: found %d encoder %d bottom B\n",__FUNCTION__,offset,i);
process_encoder(i,BOTTOM_ENCODER,B,value==PRESSED?1:0);
found=TRUE;
break;
} else if(encoders[i].top_encoder_enabled && encoders[i].top_encoder_address_a==offset) {
//g_print("%s: found %d encoder %d top A\n",__FUNCTION__,offset,i);
process_encoder(i,TOP_ENCODER,A,value==PRESSED?1:0);
found=TRUE;
break;
} else if(encoders[i].top_encoder_enabled && encoders[i].top_encoder_address_b==offset) {
//g_print("%s: found %d encoder %d top B\n",__FUNCTION__,offset,i);
process_encoder(i,TOP_ENCODER,B,value==PRESSED?1:0);
found=TRUE;
break;
} else if(encoders[i].switch_enabled && encoders[i].switch_address==offset) {
//g_print("%s: found %d encoder %d switch\n",__FUNCTION__,offset,i);
t=millis();
//g_print("%s: found %d encoder %d switch value=%d t=%u\n",__FUNCTION__,offset,i,value,t);
if (t<encoders[i].switch_debounce) {
return;
}
encoders[i].switch_debounce=t+settle_time;
PROCESS_ACTION *a=g_new(PROCESS_ACTION,1);
a->action=encoders[i].switch_function;
a->mode=value;
g_idle_add(process_action,a);
found=TRUE;
break;
}
}
if(controller==CONTROLLER2_V1 || controller==CONTROLLER2_V2) {
if(I2C_INTERRUPT==offset) {
if(value==PRESSED) {
i2c_interrupt();
}
found=TRUE;
}
}
if(!found) {
for(i=0;i<MAX_SWITCHES;i++) {
if(switches[i].switch_enabled && switches[i].switch_address==offset) {
t=millis();
//g_print("%s: found %d switch %d value=%d t=%u\n",__FUNCTION__,offset,i,value,t);
found=TRUE;
if(t<switches[i].switch_debounce) {
return;
}
//g_print("%s: switches=%p function=%d (%s)\n",__FUNCTION__,switches,switches[i].switch_function,sw_string[switches[i].switch_function]);
switches[i].switch_debounce=t+settle_time;
PROCESS_ACTION *a=g_new(PROCESS_ACTION,1);
a->action=switches[i].switch_function;
a->mode=value;
g_idle_add(process_action,a);
break;
}
}
}
if(!found) {
g_print("%s: could not find %d\n",__FUNCTION__,offset);
}
}
static int interrupt_cb(int event_type, unsigned int line, const struct timespec *timeout, void* data) {
//g_print("%s: event=%d line=%d\n",__FUNCTION__,event_type,line);
switch(event_type) {
case GPIOD_CTXLESS_EVENT_CB_TIMEOUT:
// timeout - ignore
//g_print("%s: Ignore timeout\n",__FUNCTION__);
break;
case GPIOD_CTXLESS_EVENT_CB_RISING_EDGE:
//g_print("%s: Ignore RISING EDGE\n",__FUNCTION__);
process_edge(line,RELEASED);
break;
case GPIOD_CTXLESS_EVENT_CB_FALLING_EDGE:
//g_print("%s: Process FALLING EDGE\n",__FUNCTION__);
process_edge(line,PRESSED);
break;
}
return GPIOD_CTXLESS_EVENT_CB_RET_OK;
}
#endif
void gpio_set_defaults(int ctrlr) {
int i;
g_print("%s: %d\n",__FUNCTION__,ctrlr);
switch(ctrlr) {
case NO_CONTROLLER:
encoders=encoders_no_controller;
switches=switches_controller1[0];
break;
case CONTROLLER1:
encoders=encoders_controller1;
switches=switches_controller1[0];
break;
case CONTROLLER2_V1:
encoders=encoders_controller2_v1;
switches=switches_controller2_v1;
break;
case CONTROLLER2_V2:
#ifdef LOCALCW
//
// This controller uses nearly all GPIO lines,
// so lines 9, 10, 11 are not available for
// CW keys and producing a side tone
//
ENABLE_GPIO_SIDETONE=0;
ENABLE_CW_BUTTONS=0;
#endif
encoders=encoders_controller2_v2;
switches=switches_controller2_v2;
break;
}
}
void gpio_restore_state() {
char* value;
char name[80];
loadProperties("gpio.props");
value=getProperty("controller");
if(value) controller=atoi(value);
gpio_set_defaults(controller);
for(int i=0;i<MAX_ENCODERS;i++) {
sprintf(name,"encoders[%d].bottom_encoder_enabled",i);
value=getProperty(name);
if(value) encoders[i].bottom_encoder_enabled=atoi(value);
sprintf(name,"encoders[%d].bottom_encoder_pullup",i);
value=getProperty(name);
if(value) encoders[i].bottom_encoder_pullup=atoi(value);
sprintf(name,"encoders[%d].bottom_encoder_address_a",i);
value=getProperty(name);
if(value) encoders[i].bottom_encoder_address_a=atoi(value);
sprintf(name,"encoders[%d].bottom_encoder_address_b",i);
value=getProperty(name);
if(value) encoders[i].bottom_encoder_address_b=atoi(value);
sprintf(name,"encoders[%d].bottom_encoder_address_b",i);
value=getProperty(name);
sprintf(name,"encoders[%d].top_encoder_enabled",i);
value=getProperty(name);
if(value) encoders[i].top_encoder_enabled=atoi(value);
sprintf(name,"encoders[%d].top_encoder_pullup",i);
value=getProperty(name);
if(value) encoders[i].top_encoder_pullup=atoi(value);
sprintf(name,"encoders[%d].top_encoder_address_a",i);
value=getProperty(name);
if(value) encoders[i].top_encoder_address_a=atoi(value);
sprintf(name,"encoders[%d].top_encoder_address_b",i);
value=getProperty(name);
if(value) encoders[i].top_encoder_address_b=atoi(value);
sprintf(name,"encoders[%d].switch_enabled",i);
value=getProperty(name);
if(value) encoders[i].switch_enabled=atoi(value);
sprintf(name,"encoders[%d].switch_pullup",i);
value=getProperty(name);
if(value) encoders[i].switch_pullup=atoi(value);
sprintf(name,"encoders[%d].switch_address",i);
value=getProperty(name);
if(value) encoders[i].switch_address=atoi(value);
}
for(int f=0;f<MAX_FUNCTIONS;f++) {
for(int i=0;i<MAX_SWITCHES;i++) {
sprintf(name,"switches[%d,%d].switch_enabled",f,i);
value=getProperty(name);
if(value) switches_controller1[f][i].switch_enabled=atoi(value);
sprintf(name,"switches[%d,%d].switch_pullup",f,i);
value=getProperty(name);
if(value) switches_controller1[f][i].switch_pullup=atoi(value);
sprintf(name,"switches[%d,%d].switch_address",f,i);
value=getProperty(name);
if(value) switches_controller1[f][i].switch_address=atoi(value);
}
}
if(controller!=CONTROLLER1) {
for(int i=0;i<MAX_SWITCHES;i++) {
sprintf(name,"switches[%d].switch_enabled",i);
value=getProperty(name);
if(value) switches[i].switch_enabled=atoi(value);
sprintf(name,"switches[%d].switch_pullup",i);
value=getProperty(name);
if(value) switches[i].switch_pullup=atoi(value);
sprintf(name,"switches[%d].switch_address",i);
value=getProperty(name);
if(value) switches[i].switch_address=atoi(value);
}
}
}
void gpio_save_state() {
char value[80];
char name[80];
clearProperties();
sprintf(value,"%d",controller);
setProperty("controller",value);
for(int i=0;i<MAX_ENCODERS;i++) {
sprintf(name,"encoders[%d].bottom_encoder_enabled",i);
sprintf(value,"%d",encoders[i].bottom_encoder_enabled);
setProperty(name,value);
sprintf(name,"encoders[%d].bottom_encoder_pullup",i);
sprintf(value,"%d",encoders[i].bottom_encoder_pullup);
setProperty(name,value);
sprintf(name,"encoders[%d].bottom_encoder_address_a",i);
sprintf(value,"%d",encoders[i].bottom_encoder_address_a);
setProperty(name,value);
sprintf(name,"encoders[%d].bottom_encoder_address_b",i);
sprintf(value,"%d",encoders[i].bottom_encoder_address_b);
setProperty(name,value);
sprintf(name,"encoders[%d].bottom_encoder_address_b",i);
sprintf(value,"%d",encoders[i].bottom_encoder_address_b);
setProperty(name,value);
sprintf(name,"encoders[%d].top_encoder_enabled",i);
sprintf(value,"%d",encoders[i].top_encoder_enabled);
setProperty(name,value);
sprintf(name,"encoders[%d].top_encoder_pullup",i);
sprintf(value,"%d",encoders[i].top_encoder_pullup);
setProperty(name,value);
sprintf(name,"encoders[%d].top_encoder_address_a",i);
sprintf(value,"%d",encoders[i].top_encoder_address_a);
setProperty(name,value);
sprintf(name,"encoders[%d].top_encoder_address_b",i);
sprintf(value,"%d",encoders[i].top_encoder_address_b);
setProperty(name,value);
sprintf(name,"encoders[%d].top_encoder_address_b",i);
sprintf(value,"%d",encoders[i].top_encoder_address_b);
setProperty(name,value);
sprintf(name,"encoders[%d].switch_enabled",i);
sprintf(value,"%d",encoders[i].switch_enabled);
setProperty(name,value);
sprintf(name,"encoders[%d].switch_pullup",i);
sprintf(value,"%d",encoders[i].switch_pullup);
setProperty(name,value);
sprintf(name,"encoders[%d].switch_address",i);
sprintf(value,"%d",encoders[i].switch_address);
setProperty(name,value);
}
for(int f=0;f<MAX_FUNCTIONS;f++) {
for(int i=0;i<MAX_SWITCHES;i++) {
sprintf(name,"switches[%d,%d].switch_enabled",f,i);
sprintf(value,"%d",switches_controller1[f][i].switch_enabled);
setProperty(name,value);
sprintf(name,"switches[%d,%d].switch_pullup",f,i);
sprintf(value,"%d",switches_controller1[f][i].switch_pullup);
setProperty(name,value);
sprintf(name,"switches[%d,%d].switch_address",f,i);
sprintf(value,"%d",switches_controller1[f][i].switch_address);
setProperty(name,value);
}
}
if(controller==CONTROLLER2_V1 || controller==CONTROLLER2_V2) {
for(int i=0;i<MAX_SWITCHES;i++) {
sprintf(name,"switches[%d].switch_enabled",i);
sprintf(value,"%d",switches[i].switch_enabled);
setProperty(name,value);
sprintf(name,"switches[%d].switch_pullup",i);
sprintf(value,"%d",switches[i].switch_pullup);
setProperty(name,value);
sprintf(name,"switches[%d].switch_address",i);
sprintf(value,"%d",switches[i].switch_address);
setProperty(name,value);
}
}
saveProperties("gpio.props");
}
void gpio_restore_actions() {
char name[80];
char *value;
int previous_controller=NO_CONTROLLER;
value=getProperty("controller");
if(value) previous_controller=atoi(value);
gpio_set_defaults(controller);
if(controller==previous_controller) {
if(controller!=NO_CONTROLLER) {
for(int i=0;i<MAX_ENCODERS;i++) {
sprintf(name,"encoders[%d].bottom_encoder_function",i);
value=getProperty(name);
if(value) encoders[i].bottom_encoder_function=atoi(value);
sprintf(name,"encoders[%d].top_encoder_function",i);
value=getProperty(name);
if(value) encoders[i].top_encoder_function=atoi(value);
sprintf(name,"encoders[%d].switch_function",i);
value=getProperty(name);
if(value) encoders[i].switch_function=atoi(value);
}
}
for(int f=0;f<MAX_FUNCTIONS;f++) {
for(int i=0;i<MAX_SWITCHES;i++) {
sprintf(name,"switches[%d,%d].switch_function",f,i);
value=getProperty(name);
if(value) switches_controller1[f][i].switch_function=atoi(value);
}
}
if(controller==CONTROLLER2_V1 || controller==CONTROLLER2_V2) {
for(int i=0;i<MAX_SWITCHES;i++) {
sprintf(name,"switches[%d].switch_function",i);
value=getProperty(name);
if(value) switches[i].switch_function=atoi(value);
}
}
}
}
void gpio_save_actions() {
char value[80];
char name[80];
sprintf(value,"%d",controller);
setProperty("controller",value);
if(controller!=NO_CONTROLLER) {
for(int i=0;i<MAX_ENCODERS;i++) {
sprintf(name,"encoders[%d].bottom_encoder_function",i);
sprintf(value,"%d",encoders[i].bottom_encoder_function);
setProperty(name,value);
sprintf(name,"encoders[%d].top_encoder_function",i);
sprintf(value,"%d",encoders[i].top_encoder_function);
setProperty(name,value);
sprintf(name,"encoders[%d].switch_function",i);
sprintf(value,"%d",encoders[i].switch_function);
setProperty(name,value);
}
}
for(int f=0;f<MAX_FUNCTIONS;f++) {
for(int i=0;i<MAX_SWITCHES;i++) {
sprintf(name,"switches[%d,%d].switch_function",f,i);
sprintf(value,"%d",switches_controller1[f][i].switch_function);
setProperty(name,value);
}
}
if(controller==CONTROLLER2_V1 || controller==CONTROLLER2_V2) {
for(int i=0;i<MAX_SWITCHES;i++) {
sprintf(name,"switches[%d].switch_function",i);
sprintf(value,"%d",switches[i].switch_function);
setProperty(name,value);
}
}
}
#ifdef GPIO
static gpointer monitor_thread(gpointer arg) {
struct timespec t;
// thread to monitor gpio events
g_print("%s: start event monitor lines=%d\n",__FUNCTION__,lines);
g_print("%s:",__FUNCTION__);
for(int i=0;i<lines;i++) {
g_print(" %d",monitor_lines[i]);
}
g_print("\n");
t.tv_sec=60;
t.tv_nsec=0;
int ret=gpiod_ctxless_event_monitor_multiple(
gpio_device, GPIOD_CTXLESS_EVENT_BOTH_EDGES,
monitor_lines, lines, FALSE,
consumer, &t, NULL, interrupt_cb,NULL);
if (ret<0) {
g_print("%s: ctxless event monitor failed: %s\n",__FUNCTION__,g_strerror(errno));
}
g_print("%s: exit\n",__FUNCTION__);
return NULL;
}
static int setup_line(struct gpiod_chip *chip, int offset, gboolean pullup) {
int ret;
struct gpiod_line_request_config config;
g_print("%s: %d\n",__FUNCTION__,offset);
struct gpiod_line *line=gpiod_chip_get_line(chip, offset);
if (!line) {
g_print("%s: get line %d failed: %s\n",__FUNCTION__,offset,g_strerror(errno));
return -1;
}
config.consumer=consumer;
config.request_type=GPIOD_LINE_REQUEST_DIRECTION_INPUT | GPIOD_LINE_REQUEST_EVENT_BOTH_EDGES;
#ifdef OLD_GPIOD
config.flags=pullup?GPIOD_LINE_REQUEST_FLAG_ACTIVE_LOW:0;
#else
config.flags=pullup?GPIOD_LINE_REQUEST_FLAG_BIAS_PULL_UP:GPIOD_LINE_REQUEST_FLAG_BIAS_PULL_DOWN;
#endif
ret=gpiod_line_request(line,&config,1);
if (ret<0) {
g_print("%s: line %d gpiod_line_request failed: %s\n",__FUNCTION__,offset,g_strerror(errno));
return ret;
}
gpiod_line_release(line);
monitor_lines[lines]=offset;
lines++;
return 0;
}
static int setup_output_line(struct gpiod_chip *chip, int offset, int _initial_value) {
int ret;
struct gpiod_line_request_config config;
g_print("%s: %d\n",__FUNCTION__,offset);
struct gpiod_line *line=gpiod_chip_get_line(chip, offset);
if (!line) {
g_print("%s: get line %d failed: %s\n",__FUNCTION__,offset,g_strerror(errno));
return -1;
}
config.consumer=consumer;
config.request_type=GPIOD_LINE_REQUEST_DIRECTION_OUTPUT;
ret=gpiod_line_request(line,&config,1);
if (ret<0) {
g_print("%s: line %d gpiod_line_request failed: %s\n",__FUNCTION__,offset,g_strerror(errno));
return ret;
}
// write initial value
gpiod_line_release(line);
return 0;
}
#endif
int gpio_init() {
int ret=0;
#ifdef GPIO
initialiseEpoch();
g_mutex_init(&encoder_mutex);
gpio_set_defaults(controller);
chip=NULL;
//g_print("%s: open gpio 0\n",__FUNCTION__);
chip=gpiod_chip_open_by_number(0);
if(chip==NULL) {
g_print("%s: open chip failed: %s\n",__FUNCTION__,g_strerror(errno));
ret=-1;