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zyncontrol_mini_v2.c
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zyncontrol_mini_v2.c
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/*
* ******************************************************************
* ZYNTHIAN PROJECT: Zyncontrol Library for Zynthian Kit MINI V2
*
* Initialize & configure control hardware for Zynthian Kit MINI V2
*
* Copyright (C) 2015-2023 Fernando Moyano <[email protected]>
*
* ******************************************************************
*
* 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 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.
*
* For a full copy of the GNU General Public License see the LICENSE.txt file.
*
* ******************************************************************
*/
#include <stdio.h>
#include <stdlib.h>
#include "gpiod_callback.h"
#include "zynpot.h"
#include "zyncoder.h"
//-----------------------------------------------------------------------------
// GPIO Expander 1
//-----------------------------------------------------------------------------
#define MCP23017_1_BASE_PIN 100
#define MCP23017_1_I2C_ADDRESS 0x20
#define MCP23017_1_INTA_PIN 5 // wiringPi 21
#define MCP23017_1_INTB_PIN 6 // wiringPi 22
void zynmcp23017_ISR_bankA_1() {
zynmcp23017_ISR(0, 0);
}
void zynmcp23017_ISR_bankB_1() {
zynmcp23017_ISR(0, 1);
}
void (*zynmcp23017_ISRs_1[2]) = {
zynmcp23017_ISR_bankA_1,
zynmcp23017_ISR_bankB_1
};
//-----------------------------------------------------------------------------
// GPIO Expander 2
//-----------------------------------------------------------------------------
#define MCP23017_2_BASE_PIN 200
#define MCP23017_2_I2C_ADDRESS 0x21
#define MCP23017_2_INTA_PIN 17 // wiringPi 0
#define MCP23017_2_INTB_PIN 27 // wiringPi 2
void zynmcp23017_ISR_bankA_2() {
zynmcp23017_ISR(1, 0);
}
void zynmcp23017_ISR_bankB_2() {
zynmcp23017_ISR(1, 1);
}
void (*zynmcp23017_ISRs_2[2]) = {
zynmcp23017_ISR_bankA_2,
zynmcp23017_ISR_bankB_2
};
//-----------------------------------------------------------------------------
// 2 x zynmcp23017
//-----------------------------------------------------------------------------
void init_zynmcp23017s() {
reset_zynmcp23017s();
setup_zynmcp23017(0, MCP23017_1_BASE_PIN, MCP23017_1_I2C_ADDRESS, MCP23017_1_INTA_PIN, MCP23017_1_INTB_PIN, zynmcp23017_ISRs_1);
setup_zynmcp23017(1, MCP23017_2_BASE_PIN, MCP23017_2_I2C_ADDRESS, MCP23017_2_INTA_PIN, MCP23017_2_INTB_PIN, zynmcp23017_ISRs_2);
}
//-----------------------------------------------------------------------------
// 30 x ZynSwitches (16 on MCP23017_1, 8 on MCP23017_2)
//-----------------------------------------------------------------------------
extern uint16_t num_zynswitches;
void init_zynswitches() {
reset_zynswitches();
int i;
fprintf(stderr, "ZynCore: Setting-up 20+4 x Zynswitches...\n");
for (i=0;i<16;i++) setup_zynswitch(4+i, MCP23017_1_BASE_PIN + i, 1);
for (i=0;i<8;i++) setup_zynswitch(20+i, MCP23017_2_BASE_PIN + i, 1);
num_zynswitches = 28;
}
//-----------------------------------------------------------------------------
// 4 x Zynpòts (Analog Encoder RV112)
//-----------------------------------------------------------------------------
void init_zynpots() {
reset_zyncoders();
reset_zynpots();
fprintf(stderr, "ZynCore: Setting-up Zynpots => 4 x PEC11 ...\n");
setup_zyncoder(0, MCP23017_2_BASE_PIN + 9, MCP23017_2_BASE_PIN + 8);
setup_zyncoder(1, MCP23017_2_BASE_PIN + 11, MCP23017_2_BASE_PIN + 10);
setup_zyncoder(2, MCP23017_2_BASE_PIN + 13, MCP23017_2_BASE_PIN + 12);
setup_zyncoder(3, MCP23017_2_BASE_PIN + 15, MCP23017_2_BASE_PIN + 14);
int i;
for (i=0;i<4;i++) {
setup_zynpot(i,ZYNPOT_ZYNCODER,i);
}
}
void end_zynpots() {
reset_zynpots();
}
//-----------------------------------------------------------------------------
// Zyncontrol Initialization
//-----------------------------------------------------------------------------
int init_zyncontrol() {
gpiod_init_callbacks();
init_zynmcp23017s();
init_zynswitches();
init_zynpots();
gpiod_start_callbacks();
return 1;
}
int end_zyncontrol() {
gpiod_stop_callbacks();
end_zynpots();
reset_zyncoders();
reset_zynswitches();
reset_zynmcp23017s();
return 1;
}
//-----------------------------------------------------------------------------