Generic pin output driver

make/source.mk

@@ -34,6 +34,7 @@ COMMON_SRC = \
             drivers/exti.c \
             drivers/io.c \
             drivers/light_led.c \
+            drivers/pinio.c \
             drivers/resource.c \
             drivers/rcc.c \
             drivers/serial.c \
@@ -67,6 +68,7 @@ COMMON_SRC = \
             pg/bus_spi.c \
             pg/dashboard.c \
             pg/max7456.c \
+            pg/pinio.c \
             pg/pg.c \
             pg/rx_pwm.c \
             pg/sdcard.c \

src/main/drivers/pinio.c

@@ -0,0 +1,76 @@
+/*
+ * This file is part of Cleanflight.
+ *
+ * Cleanflight 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Cleanflight 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 Cleanflight.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdint.h>
+
+#include <platform.h>
+
+#ifdef USE_PINIO
+
+#include "build/debug.h"
+
+#include "pg/pinio.h"
+
+#include "drivers/io.h"
+
+typedef struct pinioRuntime_s {
+    IO_t io;
+    bool inverted;
+    bool state;
+} pinioRuntime_t;
+
+static pinioRuntime_t pinioRuntime[PINIO_COUNT];
+
+void pinioInit(const pinioConfig_t *pinioConfig)
+{
+    for (int i = 0; i < PINIO_COUNT; i++) {
+        IO_t io = IOGetByTag(pinioConfig->ioTag[i]);
+
+        if (!io) {
+            continue;
+        }
+
+        IOInit(io, OWNER_PINIO, RESOURCE_INDEX(i));
+
+        switch (pinioConfig->config[i] & PINIO_CONFIG_MODE_MASK) {
+        case PINIO_CONFIG_MODE_OUT_PP:
+            IOConfigGPIO(io, IOCFG_OUT_PP);
+            break;
+        }
+
+        if (pinioConfig->config[i] & PINIO_CONFIG_OUT_INVERTED)
+        {
+            pinioRuntime[i].inverted = true;
+            IOHi(io);
+        } else {
+            pinioRuntime[i].inverted = false;
+            IOLo(io);
+        }
+        pinioRuntime[i].io = io;
+        pinioRuntime[i].state = false;
+    }
+}
+
+void pinioSet(int index, bool on)
+{
+    bool newState = on ^ pinioRuntime[index].inverted;
+    if (newState != pinioRuntime[index].state) {
+        IOWrite(pinioRuntime[index].io, newState);
+        pinioRuntime[index].state = newState;
+    }
+}
+#endif

src/main/drivers/pinio.h

@@ -0,0 +1,31 @@
+/*
+ * This file is part of Cleanflight.
+ *
+ * Cleanflight 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Cleanflight 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 Cleanflight.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#ifndef PINIO_COUNT
+#define PINIO_COUNT 4
+#endif
+
+#define PINIO_CONFIG_OUT_INVERTED 0x80
+#define PINIO_CONFIG_MODE_MASK    0x7F
+#define PINIO_CONFIG_MODE_OUT_PP  0x01
+
+struct pinioConfig_s;
+
+void pinioInit(const struct pinioConfig_s *pinioConfig);
+void pinioSet(int index, bool on);

src/main/drivers/resource.c

@@ -69,5 +69,6 @@ const char * const ownerNames[OWNER_TOTAL_COUNT] = {
     "CAMERA_CONTROL",
     "TIMUP",
     "RANGEFINDER",
-    "RX_SPI"
+    "RX_SPI",
+    "PINIO",
 };

src/main/drivers/resource.h

@@ -70,6 +70,7 @@ typedef enum {
     OWNER_TIMUP,
     OWNER_RANGEFINDER,
     OWNER_RX_SPI,
+    OWNER_PINIO,
     OWNER_TOTAL_COUNT
 } resourceOwner_e;
 

src/main/fc/fc_init.c

@@ -87,6 +87,7 @@
 #include "pg/bus_i2c.h"
 #include "pg/bus_spi.h"
 #include "pg/flash.h"
+#include "pg/pinio.h"
 #include "pg/pg.h"
 #include "pg/rx_pwm.h"
 #include "pg/sdcard.h"
@@ -533,6 +534,10 @@ void init(void)
     servosFilterInit();
 #endif
 
+#ifdef USE_PINIO
+    pinioInit(pinioConfig());
+#endif
+
     LED1_ON;
     LED0_OFF;
     LED2_OFF;

src/main/interface/cli.c

@@ -118,6 +118,7 @@ extern uint8_t __config_end;
 #include "pg/beeper_dev.h"
 #include "pg/bus_i2c.h"
 #include "pg/bus_spi.h"
+#include "pg/pinio.h"
 #include "pg/pg.h"
 #include "pg/pg_ids.h"
 #include "pg/rx_pwm.h"
@@ -3223,6 +3224,9 @@ const cliResourceValue_t resourceTable[] = {
     { OWNER_SDCARD_CS,     PG_SDCARD_CONFIG, offsetof(sdcardConfig_t, chipSelectTag), 0 },
     { OWNER_SDCARD_DETECT, PG_SDCARD_CONFIG, offsetof(sdcardConfig_t, cardDetectTag), 0 },
 #endif
+#ifdef USE_PINIO
+    { OWNER_PINIO,         PG_PINIO_CONFIG, offsetof(pinioConfig_t, ioTag), PINIO_COUNT },
+#endif
 };
 
 static ioTag_t *getIoTag(const cliResourceValue_t value, uint8_t index)

src/main/interface/settings.c

@@ -33,6 +33,7 @@
 #include "drivers/bus_spi.h"
 #include "drivers/camera_control.h"
 #include "drivers/light_led.h"
+#include "drivers/pinio.h"
 #include "drivers/vtx_common.h"
 
 #include "fc/config.h"
@@ -68,6 +69,7 @@
 #include "pg/max7456.h"
 #include "pg/pg.h"
 #include "pg/pg_ids.h"
+#include "pg/pinio.h"
 #include "pg/rx_pwm.h"
 #include "pg/sdcard.h"
 #include "pg/vcd.h"
@@ -860,6 +862,11 @@ const clivalue_t valueTable[] = {
 #ifdef USE_RANGEFINDER
     { "rangefinder_hardware", VAR_UINT8 | MASTER_VALUE | MODE_LOOKUP, .config.lookup = { TABLE_RANGEFINDER_HARDWARE }, PG_RANGEFINDER_CONFIG, offsetof(rangefinderConfig_t, rangefinder_hardware) },
 #endif
+
+// PG_PINIO_CONFIG
+#ifdef USE_PINIO
+    { "pinio_config", VAR_UINT8 | MASTER_VALUE | MODE_ARRAY, .config.array.length = PINIO_COUNT, PG_PINIO_CONFIG, offsetof(pinioConfig_t, config) },
+#endif
 };
 
 const uint16_t valueTableEntryCount = ARRAYLEN(valueTable);

src/main/pg/pg_ids.h

@@ -119,7 +119,8 @@
 #define PG_TIME_CONFIG 526
 #define PG_RANGEFINDER_CONFIG 527 // iNav
 #define PG_TRICOPTER_CONFIG 528
-#define PG_BETAFLIGHT_END 528
+#define PG_PINIO_CONFIG 529
+#define PG_BETAFLIGHT_END 529
 
 
 // OSD configuration (subject to change)

src/main/pg/pinio.c

@@ -0,0 +1,55 @@
+/*
+ * This file is part of Cleanflight.
+ *
+ * Cleanflight 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Cleanflight 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 Cleanflight.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "platform.h"
+
+#ifdef USE_PINIO
+
+#include "pg/pg_ids.h"
+#include "pinio.h"
+#include "drivers/io.h"
+
+#ifndef PINIO1_PIN
+#define PINIO1_PIN NONE
+#endif
+#ifndef PINIO2_PIN
+#define PINIO2_PIN NONE
+#endif
+#ifndef PINIO3_PIN
+#define PINIO3_PIN NONE
+#endif
+#ifndef PINIO4_PIN
+#define PINIO4_PIN NONE
+#endif
+
+PG_REGISTER_WITH_RESET_TEMPLATE(pinioConfig_t, pinioConfig, PG_PINIO_CONFIG, 0);
+
+PG_RESET_TEMPLATE(pinioConfig_t, pinioConfig,
+    .ioTag = {
+        IO_TAG(PINIO1_PIN),
+        IO_TAG(PINIO2_PIN),
+        IO_TAG(PINIO3_PIN),
+        IO_TAG(PINIO4_PIN),
+    },
+    .config = {
+        PINIO_CONFIG_MODE_OUT_PP,
+        PINIO_CONFIG_MODE_OUT_PP,
+        PINIO_CONFIG_MODE_OUT_PP,
+        PINIO_CONFIG_MODE_OUT_PP
+    },
+);
+#endif

src/main/pg/pinio.h

@@ -0,0 +1,29 @@
+/*
+ * This file is part of Cleanflight.
+ *
+ * Cleanflight 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Cleanflight 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 Cleanflight.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include "pg/pg.h"
+#include "drivers/io_types.h"
+#include "drivers/pinio.h"
+
+typedef struct pinioConfig_s {
+    ioTag_t ioTag[PINIO_COUNT];
+    uint8_t config[PINIO_COUNT];
+} pinioConfig_t;
+
+PG_DECLARE(pinioConfig_t, pinioConfig);

src/main/target/common_fc_pre.h

@@ -136,6 +136,7 @@
 #define USE_MSP_OVER_TELEMETRY
 #define USE_OSD
 #define USE_OSD_OVER_MSP_DISPLAYPORT
+#define USE_PINIO
 #define USE_RCDEVICE
 #define USE_RTC_TIME
 #define USE_RX_MSP