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Diffstat (limited to 'code/esp32/components/eos/net.c')
-rw-r--r--code/esp32/components/eos/net.c285
1 files changed, 0 insertions, 285 deletions
diff --git a/code/esp32/components/eos/net.c b/code/esp32/components/eos/net.c
deleted file mode 100644
index 9a4a024..0000000
--- a/code/esp32/components/eos/net.c
+++ /dev/null
@@ -1,285 +0,0 @@
-#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"
-
-#define SPI_GPIO_RTS 22
-#define SPI_GPIO_CTS 21
-#define SPI_GPIO_MOSI 23
-#define SPI_GPIO_MISO 19
-#define SPI_GPIO_SCLK 18
-#define SPI_GPIO_CS 5
-
-#define SPI_SIZE_BUF (EOS_NET_SIZE_BUF + 8)
-
-static volatile char net_sleep = 0;
-
-static EOSBufQ net_buf_q;
-static unsigned char *net_bufq_array[EOS_NET_SIZE_BUFQ];
-
-static EOSMsgQ net_send_q;
-static EOSMsgItem net_sndq_array[EOS_NET_SIZE_SNDQ];
-
-static SemaphoreHandle_t mutex;
-static SemaphoreHandle_t semaph;
-static TaskHandle_t net_xchg_task_handle;
-static const char *TAG = "EOS NET";
-
-static eos_net_fptr_t mtype_handler[EOS_NET_MAX_MTYPE];
-
-static void bad_handler(unsigned char mtype, unsigned char *buffer, uint16_t len) {
- ESP_LOGE(TAG, "bad handler: %d len: %d", mtype, len);
-}
-
-// Called after a transaction is queued and ready for pickup by master. We use this to set the handshake line high.
-static void _post_setup_cb(spi_slave_transaction_t *trans) {
- gpio_set_level(SPI_GPIO_CTS, 1);
-}
-
-// Called after transaction is sent/received. We use this to set the handshake line low.
-static void _post_trans_cb(spi_slave_transaction_t *trans) {
- gpio_set_level(SPI_GPIO_CTS, 0);
-}
-
-static void net_xchg_task(void *pvParameters) {
- int repeat = 0;
- int wake = 0;
- unsigned char mtype = 0;
- unsigned char *buffer;
- uint16_t len;
- uint8_t flags;
- unsigned char *buf_send = heap_caps_malloc(SPI_SIZE_BUF, MALLOC_CAP_DMA);
- unsigned char *buf_recv = heap_caps_malloc(SPI_SIZE_BUF, MALLOC_CAP_DMA);
- esp_err_t ret;
- spi_slave_transaction_t spi_tr;
-
- //Configuration for the SPI bus
- spi_bus_config_t spi_bus_cfg = {
- .mosi_io_num = SPI_GPIO_MOSI,
- .miso_io_num = SPI_GPIO_MISO,
- .sclk_io_num = SPI_GPIO_SCLK
- };
-
- //Configuration for the SPI slave interface
- spi_slave_interface_config_t spi_slave_cfg = {
- .mode = 0,
- .spics_io_num = SPI_GPIO_CS,
- .queue_size = 2,
- .flags = 0,
- .post_setup_cb = _post_setup_cb,
- .post_trans_cb = _post_trans_cb
- };
-
- //Initialize SPI slave interface
- ret = spi_slave_initialize(VSPI_HOST, &spi_bus_cfg, &spi_slave_cfg, 1);
- assert(ret == ESP_OK);
-
- memset(&spi_tr, 0, sizeof(spi_tr));
- spi_tr.length = SPI_SIZE_BUF * 8;
- spi_tr.tx_buffer = buf_send;
- spi_tr.rx_buffer = buf_recv;
-
- if (eos_power_wakeup_cause()) {
- wake = 1;
- repeat = 1;
- }
-
- eos_power_wait4init();
- while (1) {
- if (!repeat) {
- xSemaphoreTake(mutex, portMAX_DELAY);
-
- eos_msgq_pop(&net_send_q, &mtype, &buffer, &len, &flags);
- if (mtype) {
- buf_send[0] = mtype;
- buf_send[1] = len >> 8;
- buf_send[2] = len & 0xFF;
- if (buffer) {
- memcpy(buf_send + 3, buffer, len);
- if (flags & EOS_NET_FLAG_BFREE) {
- free(buffer);
- } else {
- eos_bufq_push(&net_buf_q, buffer);
- xSemaphoreGive(semaph);
- }
- }
- } else {
- gpio_set_level(SPI_GPIO_RTS, 0);
- buf_send[0] = 0;
- buf_send[1] = 0;
- buf_send[2] = 0;
- }
-
- xSemaphoreGive(mutex);
- }
- repeat = 0;
-
- buf_recv[0] = 0;
- buf_recv[1] = 0;
- buf_recv[2] = 0;
- spi_slave_transmit(VSPI_HOST, &spi_tr, portMAX_DELAY);
- ESP_LOGD(TAG, "RECV:%d", buf_recv[0]);
-
- if (wake) {
- eos_power_net_ready();
- wake = 0;
- }
- if (buf_recv[0] == 0x00) continue;
- if (buf_recv[0] == 0xFF) { // Sleep req
- if (buf_send[0] == 0) {
- int abort = 0;
-
- xSemaphoreTake(mutex, portMAX_DELAY);
- net_sleep = 1;
- if (eos_msgq_len(&net_send_q)) abort = 1;
- xSemaphoreGive(mutex);
-
- spi_slave_free(VSPI_HOST);
-
- eos_power_sleep();
- if (abort) eos_power_wake(EOS_PWR_WAKE_MSG);
-
- vTaskSuspend(NULL);
-
- xSemaphoreTake(mutex, portMAX_DELAY);
- net_sleep = 0;
- xSemaphoreGive(mutex);
-
- spi_slave_initialize(VSPI_HOST, &spi_bus_cfg, &spi_slave_cfg, 1);
- wake = 1;
- repeat = 1;
- }
- continue;
- }
- mtype = buf_recv[0];
- len = (uint16_t)buf_recv[1] << 8;
- len |= (uint16_t)buf_recv[2] & 0xFF;
- buffer = buf_recv + 3;
- if (mtype & EOS_NET_MTYPE_FLAG_ONEW) {
- mtype &= ~EOS_NET_MTYPE_FLAG_ONEW;
- if (buf_send[0]) repeat = 1;
- }
- if (mtype <= EOS_NET_MAX_MTYPE) {
- mtype_handler[mtype-1](mtype, buffer, len);
- } else {
- bad_handler(mtype, buffer, len);
- }
- }
- vTaskDelete(NULL);
-}
-
-void eos_net_init(void) {
- int i;
-
- // Configuration for the handshake lines
- gpio_config_t io_conf;
-
- io_conf.intr_type = GPIO_INTR_DISABLE;
- io_conf.mode = GPIO_MODE_OUTPUT;
- io_conf.pull_up_en = 0;
- io_conf.pull_down_en = 0;
- io_conf.pin_bit_mask = ((uint64_t)1 << SPI_GPIO_CTS);
- gpio_config(&io_conf);
- gpio_set_level(SPI_GPIO_CTS, 0);
-
- io_conf.intr_type = GPIO_INTR_DISABLE;
- io_conf.mode = GPIO_MODE_OUTPUT;
- io_conf.pull_up_en = 0;
- io_conf.pull_down_en = 0;
- io_conf.pin_bit_mask = ((uint64_t)1 << SPI_GPIO_RTS);
- gpio_config(&io_conf);
- gpio_set_level(SPI_GPIO_RTS, 0);
-
- eos_msgq_init(&net_send_q, net_sndq_array, EOS_NET_SIZE_SNDQ);
- eos_bufq_init(&net_buf_q, net_bufq_array, EOS_NET_SIZE_BUFQ);
- for (i=0; i<EOS_NET_SIZE_BUFQ; i++) {
- eos_bufq_push(&net_buf_q, malloc(EOS_NET_SIZE_BUF));
- }
-
- for (i=0; i<EOS_NET_MAX_MTYPE; i++) {
- mtype_handler[i] = bad_handler;
- }
-
- semaph = xSemaphoreCreateCounting(EOS_NET_SIZE_BUFQ, EOS_NET_SIZE_BUFQ);
- mutex = xSemaphoreCreateBinary();
- xSemaphoreGive(mutex);
- xTaskCreate(&net_xchg_task, "net_xchg", EOS_TASK_SSIZE_NET_XCHG, NULL, EOS_TASK_PRIORITY_NET_XCHG, &net_xchg_task_handle);
- ESP_LOGI(TAG, "INIT");
-}
-
-unsigned char *eos_net_alloc(void) {
- unsigned char *ret;
-
- xSemaphoreTake(semaph, portMAX_DELAY);
- xSemaphoreTake(mutex, portMAX_DELAY);
- ret = eos_bufq_pop(&net_buf_q);
- xSemaphoreGive(mutex);
-
- return ret;
-}
-
-void eos_net_free(unsigned char *buf) {
- xSemaphoreTake(mutex, portMAX_DELAY);
- eos_bufq_push(&net_buf_q, buf);
- xSemaphoreGive(semaph);
- xSemaphoreGive(mutex);
-}
-
-int eos_net_send(unsigned char mtype, unsigned char *buffer, uint16_t len, uint8_t flags) {
- int rv, sleep;
-
- if (flags & EOS_NET_FLAG_BCOPY) xSemaphoreTake(semaph, portMAX_DELAY);
- xSemaphoreTake(mutex, portMAX_DELAY);
- sleep = net_sleep;
- gpio_set_level(SPI_GPIO_RTS, 1);
- if (flags & EOS_NET_FLAG_BCOPY) {
- unsigned char *b = eos_bufq_pop(&net_buf_q);
- memcpy(b, buffer, len);
- buffer = b;
- }
- rv = eos_msgq_push(&net_send_q, mtype, buffer, len, flags);
- xSemaphoreGive(mutex);
-
- if (sleep) eos_power_wake(EOS_PWR_WAKE_MSG);
-
- return rv;
-}
-
-void eos_net_set_handler(unsigned char mtype, eos_net_fptr_t handler) {
- mtype_handler[mtype-1] = handler;
-}
-
-void eos_net_sleep_done(uint8_t mode) {
- gpio_set_level(SPI_GPIO_CTS, 1);
- vTaskDelay(200 / portTICK_PERIOD_MS);
- gpio_set_level(SPI_GPIO_CTS, 0);
-}
-
-void eos_net_wake(uint8_t source, uint8_t mode) {
- int sleep;
-
- if (mode == EOS_PWR_SMODE_DEEP) return;
- do {
- vTaskResume(net_xchg_task_handle);
- vTaskDelay(10 / portTICK_PERIOD_MS);
-
- xSemaphoreTake(mutex, portMAX_DELAY);
- sleep = net_sleep;
- xSemaphoreGive(mutex);
- } while (sleep);
-}
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