a8ab8b49f2
Updates and fixes to support IPM sample on ESP32: - fix IPM sample code for APPCPU and PROCPU - align with memory layout, add flash awarenes - shell commands to stop/start APPCPU - reorganize overlays Signed-off-by: Marek Matej <marek.matej@espressif.com>
42 lines
901 B
C
42 lines
901 B
C
/*
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* Copyright (c) 2022 Espressif Systems (Shanghai) Co., Ltd.
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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 <zephyr/kernel.h>
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#include <zephyr/device.h>
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#include <zephyr/sys/printk.h>
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#include <zephyr/drivers/ipm.h>
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static const struct device *ipm_dev;
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static char resp[64];
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struct k_sem sync;
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static void ipm_receive_callback(const struct device *ipmdev, void *user_data, uint32_t id,
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volatile void *data)
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{
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k_sem_give(&sync);
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}
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int main(void)
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{
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k_sem_init(&sync, 0, 1);
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ipm_dev = DEVICE_DT_GET(DT_NODELABEL(ipm0));
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if (!ipm_dev) {
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printk("Failed to get IPM device.\n\r");
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return 0;
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}
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ipm_register_callback(ipm_dev, ipm_receive_callback, NULL);
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while (1) {
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k_sem_take(&sync, K_FOREVER);
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snprintf(resp, sizeof(resp), "APP_CPU uptime ticks %lli\n", k_uptime_ticks());
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ipm_send(ipm_dev, -1, sizeof(resp), &resp, sizeof(resp));
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}
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return 0;
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}
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