raspberrypi-pico: Initial driver skeleton.

diff --git a/Makefile.am b/Makefile.am
index a89f4d996a9ccaef2f8b888dc46795186e6f008a..8f8954872ba51ae5f8650aedc12247d64c26ecfa 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -575,6 +575,12 @@ src_libdrivers_la_SOURCES += \
        src/hardware/pipistrello-ols/protocol.c \
        src/hardware/pipistrello-ols/api.c
 endif
+if HW_RASPBERRYPI_PICO
+src_libdrivers_la_SOURCES += \
+       src/hardware/raspberrypi-pico/protocol.h \
+       src/hardware/raspberrypi-pico/protocol.c \
+       src/hardware/raspberrypi-pico/api.c
+endif
 if HW_RDTECH_DPS
 src_libdrivers_la_SOURCES += \
        src/hardware/rdtech-dps/protocol.h \

diff --git a/configure.ac b/configure.ac
index 85f4b2b49976b0329fe4b9b3ce4a6a8f66f20851..d8df1abeade283400c8b939d00999ea178c9bdff 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -360,6 +360,7 @@ SR_DRIVER([Norma DMM], [norma-dmm], [serial_comm])
 SR_DRIVER([OpenBench Logic Sniffer], [openbench-logic-sniffer], [serial_comm])
 SR_DRIVER([PCE PCE-322A], [pce-322a], [serial_comm])
 SR_DRIVER([Pipistrello-OLS], [pipistrello-ols], [libftdi])
+SR_DRIVER([RaspberryPI PICO], [raspberrypi-pico])
 SR_DRIVER([RDTech DPSxxxx/DPHxxxx], [rdtech-dps], [serial_comm])
 SR_DRIVER([RDTech UMXX], [rdtech-um], [serial_comm])
 SR_DRIVER([RDTech TCXX], [rdtech-tc], [serial_comm libnettle])

diff --git a/src/hardware/raspberrypi-pico/api.c b/src/hardware/raspberrypi-pico/api.c
new file mode 100644 (file)
index 0000000..0f5514a
--- /dev/null
+++ b/src/hardware/raspberrypi-pico/api.c
@@ -0,0 +1,154 @@
+/*
+ * This file is part of the libsigrok project.
+ *
+ * Copyright (C) 2022 AC0BI <ac0bi00@gmail.com>
+ *
+ * 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 3 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+#include "protocol.h"
+
+static struct sr_dev_driver raspberrypi_pico_driver_info;
+
+static GSList *scan(struct sr_dev_driver *di, GSList *options)
+{
+       struct drv_context *drvc;
+       GSList *devices;
+
+       (void)options;
+
+       devices = NULL;
+       drvc = di->context;
+       drvc->instances = NULL;
+
+       /* TODO: scan for devices, either based on a SR_CONF_CONN option
+        * or on a USB scan. */
+
+       return devices;
+}
+
+static int dev_open(struct sr_dev_inst *sdi)
+{
+       (void)sdi;
+
+       /* TODO: get handle from sdi->conn and open it. */
+
+       return SR_OK;
+}
+
+static int dev_close(struct sr_dev_inst *sdi)
+{
+       (void)sdi;
+
+       /* TODO: get handle from sdi->conn and close it. */
+
+       return SR_OK;
+}
+
+static int config_get(uint32_t key, GVariant **data,
+       const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
+{
+       int ret;
+
+       (void)sdi;
+       (void)data;
+       (void)cg;
+
+       ret = SR_OK;
+       switch (key) {
+       /* TODO */
+       default:
+               return SR_ERR_NA;
+       }
+
+       return ret;
+}
+
+static int config_set(uint32_t key, GVariant *data,
+       const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
+{
+       int ret;
+
+       (void)sdi;
+       (void)data;
+       (void)cg;
+
+       ret = SR_OK;
+       switch (key) {
+       /* TODO */
+       default:
+               ret = SR_ERR_NA;
+       }
+
+       return ret;
+}
+
+static int config_list(uint32_t key, GVariant **data,
+       const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
+{
+       int ret;
+
+       (void)sdi;
+       (void)data;
+       (void)cg;
+
+       ret = SR_OK;
+       switch (key) {
+       /* TODO */
+       default:
+               return SR_ERR_NA;
+       }
+
+       return ret;
+}
+
+static int dev_acquisition_start(const struct sr_dev_inst *sdi)
+{
+       /* TODO: configure hardware, reset acquisition state, set up
+        * callbacks and send header packet. */
+
+       (void)sdi;
+
+       return SR_OK;
+}
+
+static int dev_acquisition_stop(struct sr_dev_inst *sdi)
+{
+       /* TODO: stop acquisition. */
+
+       (void)sdi;
+
+       return SR_OK;
+}
+
+static struct sr_dev_driver raspberrypi_pico_driver_info = {
+       .name = "raspberrypi-pico",
+       .longname = "RaspberryPI PICO",
+       .api_version = 1,
+       .init = std_init,
+       .cleanup = std_cleanup,
+       .scan = scan,
+       .dev_list = std_dev_list,
+       .dev_clear = std_dev_clear,
+       .config_get = config_get,
+       .config_set = config_set,
+       .config_list = config_list,
+       .dev_open = dev_open,
+       .dev_close = dev_close,
+       .dev_acquisition_start = dev_acquisition_start,
+       .dev_acquisition_stop = dev_acquisition_stop,
+       .context = NULL,
+};
+SR_REGISTER_DEV_DRIVER(raspberrypi_pico_driver_info);

diff --git a/src/hardware/raspberrypi-pico/protocol.c b/src/hardware/raspberrypi-pico/protocol.c
new file mode 100644 (file)
index 0000000..0e954e8
--- /dev/null
+++ b/src/hardware/raspberrypi-pico/protocol.c
@@ -0,0 +1,41 @@
+/*
+ * This file is part of the libsigrok project.
+ *
+ * Copyright (C) 2022 AC0BI <ac0bi00@gmail.com>
+ *
+ * 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 3 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+#include "protocol.h"
+
+SR_PRIV int raspberrypi_pico_receive_data(int fd, int revents, void *cb_data)
+{
+       const struct sr_dev_inst *sdi;
+       struct dev_context *devc;
+
+       (void)fd;
+
+       if (!(sdi = cb_data))
+               return TRUE;
+
+       if (!(devc = sdi->priv))
+               return TRUE;
+
+       if (revents == G_IO_IN) {
+               /* TODO */
+       }
+
+       return TRUE;
+}

diff --git a/src/hardware/raspberrypi-pico/protocol.h b/src/hardware/raspberrypi-pico/protocol.h
new file mode 100644 (file)
index 0000000..4c09637
--- /dev/null
+++ b/src/hardware/raspberrypi-pico/protocol.h
@@ -0,0 +1,35 @@
+/*
+ * This file is part of the libsigrok project.
+ *
+ * Copyright (C) 2022 AC0BI <ac0bi00@gmail.com>
+ *
+ * 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 3 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef LIBSIGROK_HARDWARE_RASPBERRYPI_PICO_PROTOCOL_H
+#define LIBSIGROK_HARDWARE_RASPBERRYPI_PICO_PROTOCOL_H
+
+#include <stdint.h>
+#include <glib.h>
+#include <libsigrok/libsigrok.h>
+#include "libsigrok-internal.h"
+
+#define LOG_PREFIX "raspberrypi-pico"
+
+struct dev_context {
+};
+
+SR_PRIV int raspberrypi_pico_receive_data(int fd, int revents, void *cb_data);
+
+#endif