80cc7d1ee5
Update all usages of the MBOX API to the latest API changes (to be squashed for bisectability). Signed-off-by: Gerard Marull-Paretas <gerard@teslabs.com>
75 lines
1.9 KiB
C
75 lines
1.9 KiB
C
/*
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* Copyright 2024 NXP
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <zephyr/kernel.h>
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#include <zephyr/drivers/mbox.h>
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static K_SEM_DEFINE(g_mbox_data_rx_sem, 0, 1);
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static mbox_channel_id_t g_mbox_received_data;
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static mbox_channel_id_t g_mbox_received_channel;
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static void callback(const struct device *dev, mbox_channel_id_t channel_id, void *user_data,
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struct mbox_msg *data)
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{
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memcpy(&g_mbox_received_data, data->data, data->size);
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g_mbox_received_channel = channel_id;
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k_sem_give(&g_mbox_data_rx_sem);
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}
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int main(void)
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{
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const struct mbox_dt_spec tx_channel = MBOX_DT_SPEC_GET(DT_PATH(mbox_consumer), tx);
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const struct mbox_dt_spec rx_channel = MBOX_DT_SPEC_GET(DT_PATH(mbox_consumer), rx);
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struct mbox_msg msg = {0};
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uint32_t message = 0;
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printk("mbox_data Server demo started\n");
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const int max_transfer_size_bytes = mbox_mtu_get_dt(&tx_channel);
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/* Sample currently supports only transfer size up to 4 bytes */
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if ((max_transfer_size_bytes <= 0) || (max_transfer_size_bytes > 4)) {
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printk("mbox_mtu_get() error\n");
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return 0;
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}
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if (mbox_register_callback_dt(&rx_channel, callback, NULL)) {
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printk("mbox_register_callback() error\n");
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return 0;
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}
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if (mbox_set_enabled_dt(&rx_channel, 1)) {
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printk("mbox_set_enable() error\n");
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return 0;
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}
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while (message < 99) {
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k_sem_take(&g_mbox_data_rx_sem, K_FOREVER);
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message = g_mbox_received_data;
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printk("Server receive (on channel %d) value: %d\n", g_mbox_received_channel,
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g_mbox_received_data);
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message++;
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msg.data = &message;
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msg.size = max_transfer_size_bytes;
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printk("Server send (on channel %d) value: %d\n", tx_channel.channel_id, message);
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if (mbox_send_dt(&tx_channel, &msg) < 0) {
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printk("mbox_send() error\n");
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return 0;
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}
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}
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printk("mbox_data Server demo ended.\n");
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return 0;
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}
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