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#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <freertos/FreeRTOS.h>
#include <freertos/semphr.h>
#include <freertos/task.h>
#include <esp_system.h>
#include <esp_log.h>
#include <esp_err.h>
#include <esp_heap_caps.h>
#include <driver/gpio.h>
#include <driver/spi_slave.h>
#include "eos.h"
#include "msgq.h"
#include "power.h"
#include "net.h"
#include "app.h"
#include "net_priv.h"
#define SPI_GPIO_RTS 47
#define SPI_GPIO_CTS 9
#define SPI_GPIO_MOSI 11
#define SPI_GPIO_MISO 13
#define SPI_GPIO_SCLK 12
#define SPI_GPIO_CS 10
#define SPI_HOST SPI2_HOST
#define APP_SIZE_BUFQ 16
#define APP_SIZE_SNDQ 16
static EOSBufQ app_buf_q;
static unsigned char *app_bufq_array[APP_SIZE_BUFQ];
static EOSMsgQ app_send_q;
static EOSMsgItem app_sndq_array[APP_SIZE_SNDQ];
static NETConfig app_config;
static eos_net_handler_t app_handler[EOS_APP_MAX_MTYPE];
static spi_bus_config_t app_spi_bus_cfg;
static spi_slave_interface_config_t app_spi_iface_cfg;
static const char *TAG = "EOS APP";
static void bad_handler(unsigned char mtype, EOSMessage *msg, uint16_t len) {
ESP_LOGE(TAG, "BAD HANDLER: 0x%.2X LEN: %d", mtype, len);
}
static void IRAM_ATTR app_bridge(unsigned char mtype, EOSMessage *msg, uint16_t len) {
EOSMessage _msg;
int rv;
eos_net_alloc(&_msg);
if (len > _msg.size) {
eos_net_free(&_msg);
return;
}
memcpy(_msg.buffer, msg->buffer, len);
rv = eos_net_send(mtype & EOS_NET_MTYPE_MASK, &_msg, len);
if (rv) ESP_LOGE(TAG, "BRIDGE ERR: %d", rv);
}
static void IRAM_ATTR app_msg_handler(unsigned char mtype, EOSMessage *msg, uint16_t len) {
uint8_t idx;
idx = mtype & EOS_NET_MTYPE_FLAG_BRIDGE ? EOS_NET_MTYPE_BRIDGE : mtype & EOS_NET_MTYPE_MASK;
if ((idx < EOS_APP_MAX_MTYPE) && (len <= msg->size)) {
app_handler[idx](mtype, msg, len);
} else {
bad_handler(mtype, msg, len);
}
}
void eos_app_init(void) {
SemaphoreHandle_t mutex;
SemaphoreHandle_t bufq_mutex;
SemaphoreHandle_t bufq_semaph;
int i;
eos_msgq_init(&app_send_q, app_sndq_array, APP_SIZE_SNDQ);
eos_bufq_init(&app_buf_q, app_bufq_array, APP_SIZE_BUFQ);
for (i=0; i<APP_SIZE_BUFQ; i++) {
unsigned char *buffer;
buffer = malloc(EOS_NET_MTU);
assert(buffer != NULL);
eos_bufq_push(&app_buf_q, buffer);
}
for (i=0; i<EOS_APP_MAX_MTYPE; i++) {
app_handler[i] = bad_handler;
}
mutex = xSemaphoreCreateBinary();
assert(mutex != NULL);
bufq_mutex = xSemaphoreCreateBinary();
assert(bufq_mutex != NULL);
bufq_semaph = xSemaphoreCreateCounting(APP_SIZE_BUFQ, APP_SIZE_BUFQ);
assert(bufq_semaph != NULL);
xSemaphoreGive(mutex);
xSemaphoreGive(bufq_mutex);
app_config.sleep = esp_reset_reason() == ESP_RST_DEEPSLEEP ? 1 : 0;
app_config.sleep_req = 0;
app_config.present = 1;
app_config.dev = NET_DEV_APP;
app_config.gpio_rts = SPI_GPIO_RTS;
app_config.gpio_cts = SPI_GPIO_CTS;
app_config.spi_host = SPI_HOST;
app_config.spi_bus_cfg = &app_spi_bus_cfg;
app_config.spi_iface_cfg = &app_spi_iface_cfg;
app_config.mutex = mutex;
app_config.bufq_mutex = bufq_mutex;
app_config.bufq_semaph = bufq_semaph;
app_config.buf_q = &app_buf_q;
app_config.send_q = &app_send_q;
app_config.handler = app_msg_handler;
/* Configuration for the SPI bus */
app_spi_bus_cfg.mosi_io_num = SPI_GPIO_MOSI;
app_spi_bus_cfg.miso_io_num = SPI_GPIO_MISO;
app_spi_bus_cfg.sclk_io_num = SPI_GPIO_SCLK;
app_spi_bus_cfg.intr_flags = ESP_INTR_FLAG_IRAM;
/* Configuration for the SPI slave interface */
app_spi_iface_cfg.mode = 0;
app_spi_iface_cfg.spics_io_num = SPI_GPIO_CS;
app_spi_iface_cfg.queue_size = 2;
app_spi_iface_cfg.flags = 0;
_eos_net_init_gpio(&app_config);
eos_app_set_handler(EOS_NET_MTYPE_BRIDGE, app_bridge);
ESP_LOGI(TAG, "INIT");
}
void eos_app_run(void) {
BaseType_t rv;
rv = xTaskCreate(&eos_net_xchg_task, "app_xchg", EOS_TASK_SSIZE_APP, &app_config, EOS_TASK_PRIORITY_APP, &app_config.xchg_task_handle);
assert(rv == pdPASS);
ESP_LOGI(TAG, "RUN");
}
void eos_app_alloc(EOSMessage *msg) {
_eos_net_alloc(&app_config, msg);
}
void eos_app_free(EOSMessage *msg) {
_eos_net_free(&app_config, msg);
}
int eos_app_send(unsigned char mtype, EOSMessage *msg, uint16_t len) {
return _eos_net_send(&app_config, mtype, msg, len);
}
void eos_app_sleep_req(void) {
_eos_net_sleep_req(&app_config);
}
void eos_app_wake(void) {
_eos_net_wake(&app_config);
}
void eos_app_deep_sleep(void) {
_eos_net_deep_sleep(&app_config);
}
void eos_app_deep_wake(void) {
_eos_net_deep_wake(&app_config);
}
void eos_app_set_handler(unsigned char mtype, eos_net_handler_t handler) {
if (handler == NULL) handler = bad_handler;
if (mtype < EOS_APP_MAX_MTYPE) app_handler[mtype] = handler;
}
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