static void
on_connect(void *data, struct sol_mqtt *mqtt)
{
if (sol_mqtt_get_connection_status(mqtt) != SOL_MQTT_CONNECTED) {
SOL_WRN("Unable to connect, retrying...");
sol_timeout_add(1000, try_reconnect, mqtt);
return;
}
if (sol_mqtt_subscribe(mqtt, topic, SOL_MQTT_QOS_AT_MOST_ONCE))
SOL_ERR("Unable to subscribe to topic %s", topic);
}
static int
watchdog_start(const struct sol_platform_linux_micro_module *mod, const char *service)
{
int err = 0;
int timeout = 60;
unsigned int timeout_ms;
if (watchdog_fd >= 0)
return 0;
service_name = service;
watchdog_fd = open("/dev/watchdog", O_CLOEXEC | O_WRONLY);
if (watchdog_fd < 0) {
err = -errno;
SOL_WRN("could not open /dev/watchdog: %s", sol_util_strerrora(errno));
goto end;
}
if (ioctl(watchdog_fd, WDIOC_GETTIMEOUT, &timeout) < 0 || timeout < 1) {
timeout = WATCHDOG_TIMEOUT_DEFAULT_SECS;
SOL_WRN("could not query watchdog timeout, use %ds", timeout);
if (ioctl(watchdog_fd, WDIOC_SETTIMEOUT, &timeout) < 0) {
SOL_WRN("could not set watchdog timeout to default %ds: %s. Ignored",
timeout, sol_util_strerrora(errno));
}
}
if (timeout > 5)
timeout_ms = (unsigned)(timeout - 5) * 1000U;
else
timeout_ms = (unsigned)timeout * 900U;
watchdog_timeout = sol_timeout_add(timeout_ms, watchdog_keep_alive, NULL);
if (!watchdog_timeout) {
err = -ENOMEM;
SOL_WRN("could not create watchdog_timeout");
close(watchdog_fd);
watchdog_fd = -1;
goto end;
}
watchdog_show_info();
end:
if (err == 0)
sol_platform_linux_micro_inform_service_state(service, SOL_PLATFORM_SERVICE_STATE_ACTIVE);
else
sol_platform_linux_micro_inform_service_state(service, SOL_PLATFORM_SERVICE_STATE_FAILED);
return err;
}
static void
_reset(void *data)
{
struct irange_buffer_data *mdata = data;
mdata->cur_len = 0;
if (mdata->timer)
sol_timeout_del(mdata->timer);
if (mdata->timeout)
mdata->timer = sol_timeout_add(mdata->timeout, _timeout, mdata);
}
static int
tune_start(struct piezo_speaker_data *mdata)
{
int r;
mdata->curr_idx = 0;
r = sol_pwm_set_enabled(mdata->pwm, true);
SOL_INT_CHECK(r, < 0, r);
mdata->timer = sol_timeout_add(0, timeout_do, mdata);
SOL_INT_CHECK(r, < 0, r);
return 0;
}
static int
aio_reader_open(struct sol_flow_node *node, void *data, const struct sol_flow_node_options *options)
{
int device, pin;
struct aio_data *mdata = data;
const struct sol_flow_node_type_aio_reader_options *opts =
(const struct sol_flow_node_type_aio_reader_options *)options;
SOL_FLOW_NODE_OPTIONS_SUB_API_CHECK(opts,
SOL_FLOW_NODE_TYPE_AIO_READER_OPTIONS_API_VERSION, -EINVAL);
mdata->aio = NULL;
mdata->is_first = true;
mdata->node = node;
if (!opts->pin || *opts->pin == '\0') {
SOL_WRN("aio: Option 'pin' cannot be neither 'null' nor empty.");
return -EINVAL;
}
if (opts->mask <= 0) {
SOL_WRN("aio (%s): Invalid bit mask value=%" PRId32 ".", opts->pin, opts->mask);
return -EINVAL;
}
if (opts->poll_timeout <= 0) {
SOL_WRN("aio (%s): Invalid polling time=%" PRId32 ".", opts->pin, opts->poll_timeout);
return -EINVAL;
}
if (opts->raw) {
if (sscanf(opts->pin, "%d %d", &device, &pin) == 2) {
mdata->aio = sol_aio_open(device, pin, opts->mask);
} else {
SOL_WRN("aio (%s): 'raw' option was set, but 'pin' value=%s couldn't be parsed as "
"\"<device> <pin>\" pair.", opts->pin, opts->pin);
}
} else {
mdata->aio = sol_aio_open_by_label(opts->pin, opts->mask);
}
SOL_NULL_CHECK_MSG(mdata->aio, -EINVAL,
"aio (%s): Couldn't be open. Maybe you used an invalid 'pin'=%s?", opts->pin, opts->pin);
mdata->pin = opts->pin ? strdup(opts->pin) : NULL;
mdata->mask = (0x01 << opts->mask) - 1;
mdata->timer = sol_timeout_add(opts->poll_timeout, _on_reader_timeout, mdata);
return 0;
}
static int
start_timer(struct timer_data *mdata)
{
if (mdata->timer) {
sol_timeout_del(mdata->timer);
mdata->timer = NULL;
}
if (mdata->interval < 1)
return 0;
mdata->timer = sol_timeout_add(mdata->interval, timer_tick, mdata);
SOL_NULL_CHECK(mdata->timer, -errno);
return 0;
}
static int
flow_delay_send(struct sol_flow_node *flow, struct flow_static_data *fsd)
{
if (!fsd->delay_send) {
/* We want to ensure that all packets will be processed in the
* main loop iteration immediately following the current one, even
* when the system is loaded enough that it barely has any idle time,
* thus a timeout with a 0 value instead of an idler.
*/
fsd->delay_send = sol_timeout_add(0, flow_send_idle, flow);
SOL_NULL_CHECK(fsd->delay_send, -ENOMEM);
}
return 0;
}
static int
gyro_timer_resched(struct gyroscope_l3g4200d_data *mdata,
unsigned int timeout_ms,
bool (*cb)(void *data),
const void *cb_data)
{
SOL_NULL_CHECK(cb, -EINVAL);
if (mdata->timer)
sol_timeout_del(mdata->timer);
mdata->timer = sol_timeout_add(timeout_ms, cb, cb_data);
SOL_NULL_CHECK(mdata->timer, -ENOMEM);
return 0;
}
int
main(int argc, char *argv[])
{
struct light_context context = { .resource = &light };
struct sol_coap_server *server;
char old_led_state;
struct sol_network_link_addr servaddr = { .family = SOL_NETWORK_FAMILY_INET6,
.port = DEFAULT_UDP_PORT };
sol_init();
server = sol_coap_server_new(&servaddr);
if (!server) {
SOL_WRN("Could not create a coap server using port %d.", DEFAULT_UDP_PORT);
return -1;
}
if (sol_coap_server_register_resource(server, &light, NULL) < 0) {
SOL_WRN("Could not register light resource");
return -1;
}
console_fd = open("/dev/console", O_RDWR);
if (console_fd < 0) {
perror("Could not open '/dev/console'");
return -1;
}
if (ioctl(console_fd, KDGETLED, (char *)&old_led_state)) {
perror("Could not get the keyboard leds state");
return -1;
}
context.server = server;
sol_timeout_add(5000, update_light, &context);
sol_run();
sol_coap_server_unref(server);
if (ioctl(console_fd, KDSETLED, old_led_state)) {
perror("Could not return the leds to the old state");
return -1;
}
return 0;
}
static void
startup(void)
{
guint id;
if (pipe2(pfd, O_CLOEXEC) < 0) {
SOL_WRN("pipe()");
goto error;
}
if (!sol_glib_integration()) {
SOL_WRN("sol_glib_integration()");
goto error;
}
fork_run = sol_platform_linux_fork_run(on_fork, on_child_exit, NULL);
if (!fork_run) {
SOL_WRN("sol_platform_linux_fork_run()");
goto error;
}
id = g_idle_add(on_idle, NULL);
if (id == 0) {
SOL_WRN("g_idle_add()");
goto error;
}
id = g_timeout_add(100, on_timeout, NULL);
if (id == 0) {
SOL_WRN("g_timeout_add()");
goto error;
}
id = g_unix_fd_add(pfd[0], G_IO_IN, on_fd, NULL);
if (id == 0) {
SOL_WRN("g_unix_fd_add()");
goto error;
}
sol_timeout_add(5000, on_watchdog, NULL);
return;
error:
sol_quit_with_code(EXIT_FAILURE);
return;
}
static bool
timeout_do(void *data)
{
struct piezo_speaker_data *mdata = data;
//activate a note (or not, if curr_idx is for a delay) and return
//the state
mdata->curr_state = tune_iterate(mdata);
if (mdata->curr_state == ITER_ERROR) {
tune_stop(mdata);
return false;
}
//hold that note for the given delay
mdata->timer = sol_timeout_add(mdata->delays_us[mdata->curr_idx] / 1000,
be_quiet, mdata);
return false;
}
//pause between notes for half the tempo
static bool
be_quiet(void *data)
{
struct piezo_speaker_data *mdata = data;
int r;
r = stop_sound(mdata);
if (r < 0 || mdata->curr_state == ITER_LAST) {
tune_stop(mdata);
return false;
}
mdata->curr_idx = (mdata->curr_idx + 1) % mdata->num_entries;
mdata->timer = sol_timeout_add(mdata->tempo_ms / 2, timeout_do, mdata);
return false;
}
int
test_result_open(
struct sol_flow_node *node,
void *data,
const struct sol_flow_node_options *options)
{
struct test_result_data *d = data;
const struct sol_flow_node_type_test_result_options *opts =
(const struct sol_flow_node_type_test_result_options *)options;
d->timer = sol_timeout_add(opts->timeout.val, on_timeout, node);
SOL_NULL_CHECK_GOTO(d->timer, error);
node_count++;
d->done = false;
return 0;
error:
return -ENOMEM;
}
int
string_generator_open(
struct sol_flow_node *node,
void *data,
const struct sol_flow_node_options *options)
{
struct string_generator_data *mdata = data;
const struct sol_flow_node_type_test_string_generator_options *opts =
(const struct sol_flow_node_type_test_string_generator_options *)options;
SOL_FLOW_NODE_OPTIONS_SUB_API_CHECK(options,
SOL_FLOW_NODE_TYPE_TEST_STRING_GENERATOR_OPTIONS_API_VERSION,
-EINVAL);
sol_vector_init(&mdata->values, sizeof(struct sol_str_slice));
if (opts->sequence == NULL || *opts->sequence == '\0') {
SOL_ERR("Option 'sequence' is either NULL or empty.");
return -EINVAL;
}
mdata->sequence = strdup(opts->sequence);
SOL_NULL_CHECK_GOTO(mdata->sequence, no_memory);
if (opts->interval < 0)
SOL_WRN("Option 'interval' < 0, setting it to 0.");
mdata->interval = opts->interval >= 0 ? opts->interval : 0;
mdata->next_index = 0;
mdata->values = sol_str_slice_split(sol_str_slice_from_str
(mdata->sequence), opts->separator, SIZE_MAX);
mdata->timer = sol_timeout_add(mdata->interval, timer_tick, node);
SOL_NULL_CHECK_GOTO(mdata->timer, error);
return 0;
no_memory:
errno = -ENOMEM;
error:
sol_vector_clear(&mdata->values);
return errno;
}
static int
dbus_start(const struct sol_platform_linux_micro_module *mod, const char *service)
{
if (fork_run)
return 0;
name = service;
fork_run = sol_platform_linux_fork_run(on_fork, on_fork_exit, NULL);
if (!fork_run) {
sol_platform_linux_micro_inform_service_state(service, SOL_PLATFORM_SERVICE_STATE_FAILED);
return -errno;
}
SOL_DBG("dbus-daemon started as pid=%" PRIu64,
(uint64_t)sol_platform_linux_fork_run_get_pid(fork_run));
/* TODO: change to use inotify */
check_timeout = sol_timeout_add(200, on_timeout, NULL);
return 0;
}
SOL_API bool
sol_spi_transfer(struct sol_spi *spi, const uint8_t *tx_user, uint8_t *rx, size_t count, void (*transfer_cb)(void *cb_data, struct sol_spi *spi, const uint8_t *tx, uint8_t *rx, ssize_t status), const void *cb_data)
{
uint8_t *tx = (uint8_t *)tx_user;
SOL_NULL_CHECK(spi, false);
SOL_EXP_CHECK(spi->transfer.timeout, false);
spi->transfer.intern_allocated_buffer_flags = 0;
if (tx == NULL) {
tx = calloc(count, sizeof(uint8_t));
SOL_NULL_CHECK(tx, false);
spi->transfer.intern_allocated_buffer_flags = INTERN_ALLOCATED_TX_BUFFER;
}
if (rx == NULL) {
rx = calloc(count, sizeof(uint8_t));
SOL_NULL_CHECK_GOTO(rx, rx_alloc_fail);
spi->transfer.intern_allocated_buffer_flags = INTERN_ALLOCATED_RX_BUFFER;
}
spi->transfer.tx = tx;
spi->transfer.rx = rx;
spi->transfer.count = count;
spi->transfer.status = -1;
spi->transfer.cb = transfer_cb;
spi->transfer.cb_data = cb_data;
spi->transfer.timeout = sol_timeout_add(0, spi_timeout_cb, spi);
SOL_NULL_CHECK_GOTO(spi->transfer.timeout, timeout_fail);
return true;
timeout_fail:
if (spi->transfer.intern_allocated_buffer_flags & INTERN_ALLOCATED_RX_BUFFER)
free(rx);
rx_alloc_fail:
if (spi->transfer.intern_allocated_buffer_flags & INTERN_ALLOCATED_TX_BUFFER)
free(tx);
return false;
}
SOL_API bool
sol_spi_transfer(struct sol_spi *spi, const uint8_t *tx, uint8_t *rx, size_t size, void (*transfer_cb)(void *cb_data, struct sol_spi *spi, const uint8_t *tx, uint8_t *rx, ssize_t status), const void *cb_data)
{
#ifdef PTHREAD
struct sol_worker_thread_spec spec = {
.api_version = SOL_WORKER_THREAD_SPEC_API_VERSION,
.setup = NULL,
.cleanup = NULL,
.iterate = spi_worker_thread_iterate,
.finished = spi_worker_thread_finished,
.feedback = NULL,
.data = spi
};
#endif
SOL_NULL_CHECK(spi, false);
SOL_INT_CHECK(size, == 0, false);
#ifdef PTHREAD
SOL_EXP_CHECK(spi->transfer.worker, false);
#else
SOL_EXP_CHECK(spi->transfer.timeout, false);
#endif
spi->transfer.tx = tx;
spi->transfer.rx = rx;
spi->transfer.count = size;
spi->transfer.cb = transfer_cb;
spi->transfer.cb_data = cb_data;
spi->transfer.status = -1;
#ifdef PTHREAD
spi->transfer.worker = sol_worker_thread_new(&spec);
SOL_NULL_CHECK(spi->transfer.worker, false);
#else
spi->transfer.timeout = sol_timeout_add(0, spi_timeout_cb, spi);
SOL_NULL_CHECK(spi->transfer.timeout, false);
#endif
return true;
}
static int
irange_buffer_timeout(struct sol_flow_node *node, void *data, uint16_t port, uint16_t conn_id,
const struct sol_flow_packet *packet)
{
int r;
int32_t timeout;
struct irange_buffer_data *mdata = data;
r = sol_flow_packet_get_irange_value(packet, &timeout);
SOL_INT_CHECK(r, < 0, r);
if (timeout < 0)
SOL_WRN("Invalid 'timeout' value: '%" PRId32 "'. Skipping it.", timeout);
mdata->timeout = timeout;
if (mdata->timer)
sol_timeout_del(mdata->timer);
if (mdata->timeout)
mdata->timer = sol_timeout_add(mdata->timeout, _timeout, mdata);
return r;
}
static void
on_disconnect(void *data, struct sol_mqtt *mqtt)
{
SOL_INF("Reconnecting...");
sol_timeout_add(1000, try_reconnect, mqtt);
}
static int
mytype_func(struct sol_flow_node *node, const struct sol_flow_simplectype_event *ev, void *data)
{
struct mytype_context *ctx = data;
switch (ev->type) {
case SOL_FLOW_SIMPLECTYPE_EVENT_TYPE_OPEN: {
if (ev->options
#ifndef SOL_NO_API_VERSION
&& ev->options->sub_api == MYTYPE_OPTIONS_SUB_API
#endif
) {
struct mytype_options *opt = (struct mytype_options *)ev->options;
ctx->someint = opt->someint;
ctx->somebool = opt->somebool;
}
/* every 500ms send out a string representing our someint + somebool */
ctx->timer = sol_timeout_add(500, on_timeout, node);
if (!ctx->timer)
return -ENOMEM;
printf("simplectype opened ctx=%p, someint=%d, somebool=%d\n",
ctx, ctx->someint, ctx->somebool);
return 0;
}
case SOL_FLOW_SIMPLECTYPE_EVENT_TYPE_CLOSE: {
printf("simplectype closed ctx=%p\n", ctx);
sol_timeout_del(ctx->timer);
return 0;
}
case SOL_FLOW_SIMPLECTYPE_EVENT_TYPE_PORT_IN_PROCESS: {
/* this is to show the port names, ideally one would keep the
* indexes and use them here, doing integer comparisons
* instead of strcmp()
*/
if (strcmp(ev->port_name, "IRANGE") == 0) {
int32_t val;
if (sol_flow_packet_get_irange_value(ev->packet, &val) == 0) {
printf("simplectype updated integer from %d to %d\n",
ctx->someint, val);
ctx->someint = val;
return 0;
}
} else if (strcmp(ev->port_name, "BOOLEAN") == 0) {
bool val;
if (sol_flow_packet_get_boolean(ev->packet, &val) == 0) {
printf("simplectype updated boolean from %d to %d\n",
ctx->somebool, val);
ctx->somebool = val;
return 0;
}
}
printf("simplectype port '%s' got unexpected data!\n", ev->port_name);
return -EINVAL;
}
case SOL_FLOW_SIMPLECTYPE_EVENT_TYPE_PORT_IN_CONNECT:
printf("simplectype port IN '%s' id=%d conn=%d connected ctx=%p\n",
ev->port_name, ev->port, ev->conn_id, ctx);
return 0;
case SOL_FLOW_SIMPLECTYPE_EVENT_TYPE_PORT_IN_DISCONNECT:
printf("simplectype port IN '%s' id=%d conn=%d disconnected ctx=%p\n",
ev->port_name, ev->port, ev->conn_id, ctx);
return 0;
case SOL_FLOW_SIMPLECTYPE_EVENT_TYPE_PORT_OUT_CONNECT:
printf("simplectype port OUT '%s' id=%d conn=%d connected ctx=%p\n",
ev->port_name, ev->port, ev->conn_id, ctx);
return 0;
case SOL_FLOW_SIMPLECTYPE_EVENT_TYPE_PORT_OUT_DISCONNECT:
printf("simplectype port OUT '%s' id=%d conn=%d disconnected ctx=%p\n",
ev->port_name, ev->port, ev->conn_id, ctx);
return 0;
}
return -EINVAL;
}
#include <soletta.h>
#include <sol-gpio.h>
static struct sol_gpio *led;
static struct sol_timeout *timer;
static bool
timer_cb(void *data)
{
static bool toggle;
toggle = !toggle;
sol_gpio_write(led, toggle);
return true;
}
static void
startup(void)
{
struct sol_gpio_config led_conf = {
SOL_SET_API_VERSION(.api_version = SOL_GPIO_CONFIG_API_VERSION, )
.dir = SOL_GPIO_DIR_OUT
};
led = sol_gpio_open(25, &led_conf);
SOL_NULL_CHECK(led);
timer = sol_timeout_add(1000, timer_cb, NULL);
}
SOL_MAIN_DEFAULT(startup, NULL)
if (pin < 0)
pin = parse_kcmdline_pin();
if (pin >= 0) {
struct sol_gpio_config cfg = {
SOL_SET_API_VERSION(.api_version = SOL_GPIO_CONFIG_API_VERSION, )
.dir = SOL_GPIO_DIR_OUT,
};
gpio = sol_gpio_open(pin, &cfg);
if (gpio)
printf("blinking led on gpio pin=%d\n", pin);
else
fprintf(stderr, "failed to open gpio pin=%d for writing.\n", pin);
}
timeout = sol_timeout_add(1000, on_timeout, NULL);
sol_platform_add_state_monitor(on_platform_state_change, NULL);
printf("platform state: %d\n", sol_platform_get_state());
for (itr = services; *itr != NULL; itr++) {
sol_platform_add_service_monitor(on_service_change, *itr, NULL);
printf("service %s state: %d\n",
*itr, sol_platform_get_service_state(*itr));
}
}
static void
shutdown(void)
{
const char **itr;
errno = -EBUSY;
BUSY_CHECK(aio, NULL);
aio->async.value = 0;
aio->async.read_cb.cb = read_cb;
aio->async.dispatch = _aio_read_dispatch;
aio->async.cb_data = cb_data;
#ifdef WORKER_THREAD
aio->async.worker = sol_worker_thread_new(&config);
SOL_NULL_CHECK_GOTO(aio->async.worker, err_no_mem);
pending = (struct sol_aio_pending *)aio->async.worker;
#else
aio->async.timeout = sol_timeout_add(0, aio_get_value_timeout_cb, aio);
SOL_NULL_CHECK_GOTO(aio->async.timeout, err_no_mem);
pending = (struct sol_aio_pending *)aio->async.timeout;
#endif
errno = 0;
return pending;
err_no_mem:
errno = -ENOMEM;
return NULL;
}
SOL_API void
sol_aio_pending_cancel(struct sol_aio *aio, struct sol_aio_pending *pending)
static int32_t
_i2c_smbus_ioctl(int dev, uint8_t rw, uint8_t command, size_t size, union i2c_smbus_data *data)
{
struct i2c_smbus_ioctl_data ioctldata = {
.read_write = rw,
.command = command,
.size = 0,
.data = data
};
switch (size) {
case 1:
ioctldata.size = I2C_SMBUS_BYTE_DATA;
break;
case 2:
ioctldata.size = I2C_SMBUS_WORD_DATA;
break;
default:
ioctldata.size = I2C_SMBUS_BLOCK_DATA;
}
if (ioctl(dev, I2C_SMBUS, &ioctldata) == -1) {
return -errno;
}
return 0;
}
static void
_i2c_write_quick(struct sol_i2c *i2c, bool rw)
{
struct i2c_smbus_ioctl_data ioctldata = {
.read_write = rw,
.command = 0,
.size = I2C_SMBUS_QUICK,
.data = NULL
};
if (ioctl(i2c->dev, I2C_SMBUS, &ioctldata) == -1) {
SOL_WRN("Unable to perform I2C-SMBus write quick (bus = %u,"
" device address = %u): %s", i2c->bus, i2c->addr,
sol_util_strerrora(errno));
return;
}
i2c->async.status = 1;
}
static void
_i2c_write_quick_dispatch(struct sol_i2c *i2c)
{
if (!i2c->async.write_quick_cb.cb) return;
i2c->async.write_quick_cb.cb((void *)i2c->async.cb_data, i2c,
i2c->async.status);
}
#ifdef WORKER_THREAD
static bool
i2c_write_quick_worker_thread_iterate(void *data)
{
struct sol_i2c *i2c = data;
_i2c_write_quick(i2c, (bool)(intptr_t)i2c->async.data);
return false;
}
static void
i2c_worker_thread_finished(void *data)
{
struct sol_i2c *i2c = data;
i2c->async.worker = NULL;
i2c->async.dispatch(i2c);
}
#else
static bool
i2c_write_quick_timeout_cb(void *data)
{
struct sol_i2c *i2c = data;
_i2c_write_quick(i2c, (bool)(intptr_t)i2c->async.data);
i2c->async.timeout = NULL;
i2c->async.dispatch(i2c);
return false;
}
#endif
SOL_API struct sol_i2c_pending *
sol_i2c_write_quick(struct sol_i2c *i2c, bool rw, void (*write_quick_cb)(void *cb_data, struct sol_i2c *i2c, ssize_t status), const void *cb_data)
{
#ifdef WORKER_THREAD
struct sol_worker_thread_spec spec = {
.api_version = SOL_WORKER_THREAD_SPEC_API_VERSION,
.setup = NULL,
.cleanup = NULL,
.iterate = i2c_write_quick_worker_thread_iterate,
.finished = i2c_worker_thread_finished,
.feedback = NULL,
.data = i2c
};
#endif
SOL_NULL_CHECK(i2c, NULL);
SOL_INT_CHECK(i2c->dev, == 0, NULL);
BUSY_CHECK(i2c, NULL);
i2c->async.data = (uint8_t *)(long)rw;
i2c->async.status = -1;
i2c->async.write_quick_cb.cb = write_quick_cb;
i2c->async.dispatch = _i2c_write_quick_dispatch;
i2c->async.cb_data = cb_data;
#ifdef WORKER_THREAD
i2c->async.worker = sol_worker_thread_new(&spec);
SOL_NULL_CHECK(i2c->async.worker, NULL);
return (struct sol_i2c_pending *)i2c->async.worker;
#else
i2c->async.timeout = sol_timeout_add(0, i2c_write_quick_timeout_cb, i2c);
SOL_NULL_CHECK(i2c->async.timeout, NULL);
return (struct sol_i2c_pending *)i2c->async.timeout;
#endif
}
static bool
write_byte(const struct sol_i2c *i2c, uint8_t byte)
{
struct i2c_smbus_ioctl_data ioctldata = {
.read_write = I2C_SMBUS_WRITE,
.command = byte,
.size = I2C_SMBUS_BYTE,
.data = NULL
};
if (ioctl(i2c->dev, I2C_SMBUS, &ioctldata) == -1) {
SOL_WRN("Unable to perform I2C-SMBus write byte (bus = %u,"
" device address = %u): %s",
i2c->bus, i2c->addr, sol_util_strerrora(errno));
return false;
}
return true;
}
static bool
read_byte(const struct sol_i2c *i2c, uint8_t *byte)
{
union i2c_smbus_data data;
struct i2c_smbus_ioctl_data ioctldata = {
.read_write = I2C_SMBUS_READ,
.command = 0,
.size = I2C_SMBUS_BYTE,
.data = &data,
};
if (ioctl(i2c->dev, I2C_SMBUS, &ioctldata) == -1) {
SOL_WRN("Unable to perform I2C-SMBus read byte (bus = %u,"
" device address = %u): %s",
i2c->bus, i2c->addr, sol_util_strerrora(errno));
return false;
}
*byte = data.byte;
return true;
}
static void
_i2c_read(struct sol_i2c *i2c, uint8_t *values)
{
size_t i;
for (i = 0; i < i2c->async.count; i++) {
uint8_t byte;
if (!read_byte(i2c, &byte))
return;
*values = byte;
values++;
}
i2c->async.status = i2c->async.count;
}
static void
_i2c_read_write_dispatch(struct sol_i2c *i2c)
{
if (!i2c->async.read_write_cb.cb) return;
i2c->async.read_write_cb.cb((void *)i2c->async.cb_data, i2c,
i2c->async.data, i2c->async.status);
}
#ifdef WORKER_THREAD
static bool
i2c_read_worker_thread_iterate(void *data)
{
struct sol_i2c *i2c = data;
_i2c_read(i2c, i2c->async.data);
return false;
}
#else
static bool
i2c_read_timeout_cb(void *data)
{
struct sol_i2c *i2c = data;
_i2c_read(i2c, i2c->async.data);
i2c->async.timeout = NULL;
i2c->async.dispatch(i2c);
return false;
}
#endif
SOL_API struct sol_i2c_pending *
sol_i2c_read(struct sol_i2c *i2c, uint8_t *values, size_t count, void (*read_cb)(void *cb_data, struct sol_i2c *i2c, uint8_t *data, ssize_t status), const void *cb_data)
{
#ifdef WORKER_THREAD
struct sol_worker_thread_spec spec = {
.api_version = SOL_WORKER_THREAD_SPEC_API_VERSION,
.setup = NULL,
.cleanup = NULL,
.iterate = i2c_read_worker_thread_iterate,
.finished = i2c_worker_thread_finished,
.feedback = NULL,
.data = i2c
};
#endif
SOL_NULL_CHECK(i2c, NULL);
SOL_NULL_CHECK(values, NULL);
SOL_INT_CHECK(count, == 0, NULL);
SOL_INT_CHECK(i2c->dev, == 0, NULL);
BUSY_CHECK(i2c, NULL);
i2c->async.data = values;
i2c->async.count = count;
i2c->async.status = -1;
i2c->async.read_write_cb.cb = read_cb;
i2c->async.dispatch = _i2c_read_write_dispatch;
i2c->async.cb_data = cb_data;
#ifdef WORKER_THREAD
i2c->async.worker = sol_worker_thread_new(&spec);
SOL_NULL_CHECK(i2c->async.worker, NULL);
return (struct sol_i2c_pending *)i2c->async.worker;
#else
i2c->async.timeout = sol_timeout_add(0, i2c_read_timeout_cb, i2c);
SOL_NULL_CHECK(i2c->async.timeout, NULL);
return (struct sol_i2c_pending *)i2c->async.timeout;
#endif
}
static void
_i2c_write(struct sol_i2c *i2c, uint8_t *values)
{
size_t i;
for (i = 0; i < i2c->async.count; i++) {
if (!write_byte(i2c, *values))
return;
values++;
}
i2c->async.status = i2c->async.count;
}
#ifdef WORKER_THREAD
static bool
i2c_write_worker_thread_iterate(void *data)
{
struct sol_i2c *i2c = data;
_i2c_write(i2c, i2c->async.data);
return false;
}
#else
static bool
i2c_write_timeout_cb(void *data)
{
struct sol_i2c *i2c = data;
_i2c_write(i2c, i2c->async.data);
i2c->async.timeout = NULL;
i2c->async.dispatch(i2c);
return false;
}
#endif
SOL_API struct sol_i2c_pending *
sol_i2c_write(struct sol_i2c *i2c, uint8_t *values, size_t count, void (*write_cb)(void *cb_data, struct sol_i2c *i2c, uint8_t *data, ssize_t status), const void *cb_data)
{
#ifdef WORKER_THREAD
struct sol_worker_thread_spec spec = {
.api_version = SOL_WORKER_THREAD_SPEC_API_VERSION,
.setup = NULL,
.cleanup = NULL,
.iterate = i2c_write_worker_thread_iterate,
.finished = i2c_worker_thread_finished,
.feedback = NULL,
.data = i2c
};
#endif
SOL_NULL_CHECK(i2c, NULL);
SOL_NULL_CHECK(values, NULL);
SOL_INT_CHECK(count, == 0, NULL);
SOL_INT_CHECK(i2c->dev, == 0, NULL);
BUSY_CHECK(i2c, NULL);
i2c->async.data = values;
i2c->async.count = count;
i2c->async.status = -1;
i2c->async.read_write_cb.cb = write_cb;
i2c->async.dispatch = _i2c_read_write_dispatch;
i2c->async.cb_data = cb_data;
#ifdef WORKER_THREAD
i2c->async.worker = sol_worker_thread_new(&spec);
SOL_NULL_CHECK(i2c->async.worker, NULL);
return (struct sol_i2c_pending *)i2c->async.worker;
#else
i2c->async.timeout = sol_timeout_add(0, i2c_write_timeout_cb, i2c);
SOL_NULL_CHECK(i2c->async.timeout, NULL);
return (struct sol_i2c_pending *)i2c->async.timeout;
#endif
}
static int
sol_i2c_plain_read_register(const struct sol_i2c *i2c,
uint8_t command,
uint8_t *values,
size_t count)
{
struct i2c_msg msgs[] = {
{
.addr = i2c->addr,
.flags = 0,
.len = 1,
.buf = &command
},
{
.addr = i2c->addr,
.flags = I2C_M_RD,
.len = count,
.buf = values,
}
};
#else
SOL_EXP_CHECK(spi->transfer.timeout, false);
#endif
spi->transfer.tx = tx;
spi->transfer.rx = rx;
spi->transfer.count = size;
spi->transfer.cb = transfer_cb;
spi->transfer.cb_data = cb_data;
spi->transfer.status = -1;
#ifdef WORKER_THREAD
spi->transfer.worker = sol_worker_thread_new(&spec);
SOL_NULL_CHECK(spi->transfer.worker, false);
#else
spi->transfer.timeout = sol_timeout_add(0, spi_timeout_cb, spi);
SOL_NULL_CHECK(spi->transfer.timeout, false);
#endif
return true;
}
SOL_API void
sol_spi_close(struct sol_spi *spi)
{
SOL_NULL_CHECK(spi);
#ifdef WORKER_THREAD
if (spi->transfer.worker) {
sol_worker_thread_cancel(spi->transfer.worker);
}