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micropython/drivers/ninaw10/nina_wifi_drv.c

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/*
* This file is part of the OpenMV project, https://openmv.io.
*
* The MIT License (MIT)
*
* Copyright (c) 2013-2021 Ibrahim Abdelkader <iabdalkader@openmv.io>
* Copyright (c) 2013-2021 Kwabena W. Agyeman <kwagyeman@openmv.io>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* NINA-W10 WiFi driver.
*/
#include "py/mphal.h"
#if MICROPY_PY_NETWORK_NINAW10
#include <stdint.h>
#include <string.h>
#include <stdio.h>
#include "nina_bsp.h"
#include "nina_wifi_drv.h"
#define SPI_ACK (1)
#define SPI_ERR (0xFF)
#define NO_SOCKET_AVAIL (255)
#define CMD_START (0xE0)
#define CMD_END (0xEE)
#define CMD_ERROR (0xEF)
#define CMD_REPLY (1 << 7)
#define ARG_8BITS (1)
#define ARG_16BITS (2)
#define ARG_STR(x) {strlen(x), (const void *)x}
#define ARG_BYTE(x) {1, (uint8_t [1]) {x}}
#define ARG_SHORT(x) {2, (uint16_t [1]) {x}}
#define ARG_WORD(x) {4, (uint32_t [1]) {x}}
#define NINA_ARGS(...) (nina_args_t []) {__VA_ARGS__}
#define NINA_VALS(...) (nina_vals_t []) {__VA_ARGS__}
#define NINA_SSELECT_TIMEOUT (10000)
#define NINA_RESPONSE_TIMEOUT (1000)
#define NINA_CONNECT_TIMEOUT (10000)
#if NINA_DEBUG
#define debug_printf(...) mp_printf(&mp_plat_print, __VA_ARGS__)
#else
#define debug_printf(...)
#endif
#ifndef __REVSH
#define __REVSH(x) ((((uint16_t)x) << 8) | (((uint16_t)x) >> 8))
#endif
typedef struct {
uint16_t size;
const void *data;
} nina_args_t;
typedef struct {
uint16_t *size;
void *data;
} nina_vals_t;
typedef enum {
// STA mode commands.
NINA_CMD_CONNECT_OPEN = 0x10,
NINA_CMD_CONNECT_WEP = 0x11,
NINA_CMD_CONNECT_WPA = 0x12,
NINA_CMD_GET_SSID = 0x23,
NINA_CMD_GET_BSSID = 0x24,
NINA_CMD_GET_RSSI = 0x25,
NINA_CMD_GET_ENCRYPT = 0x26,
// AP mode commands.
NINA_CMD_START_AP_OPEN = 0x18,
NINA_CMD_START_AP_WEP = 0x19,
// AP mode scan commands.
NINA_CMD_AP_START_SCAN = 0x36,
NINA_CMD_AP_SCAN_RESULT = 0x27,
NINA_CMD_AP_GET_RSSI = 0x32,
NINA_CMD_AP_GET_ENCRYPT = 0x33,
NINA_CMD_AP_GET_BSSID = 0x3C,
NINA_CMD_AP_GET_CHANNEL = 0x3D,
// Disonnect/status commands.
NINA_CMD_DISCONNECT = 0x30,
NINA_CMD_CONN_STATUS = 0x20,
// Interface config commands.
NINA_CMD_SET_IF_CONFIG = 0x14,
NINA_CMD_GET_IF_CONFIG = 0x21,
NINA_CMD_SET_DNS_CONFIG = 0x15,
// Hostname/Resolv commands.
NINA_CMD_SET_HOSTNAME = 0x16,
NINA_CMD_HOST_BY_NAME = 0x34,
NINA_CMD_GET_HOST_BY_NAME = 0x35,
// Misc commands.
NINA_CMD_SET_POWER = 0x17,
NINA_CMD_PING = 0x3E,
NINA_CMD_GET_TIME = 0x3B,
NINA_CMD_GET_FW_VERSION = 0x37,
NINA_CMD_DEBUG_MODE = 0x1A,
NINA_CMD_TEMP_SENSOR = 0x1B,
NINA_CMD_GET_MAC_ADDR = 0x22,
// Sockets commands.
NINA_CMD_SOCKET_OPEN = 0x3F,
NINA_CMD_SOCKET_CLOSE = 0x2E,
NINA_CMD_SOCKET_CONNECT = 0x2D,
NINA_CMD_SOCKET_ACCEPT = 0x2B,
NINA_CMD_SOCKET_BIND = 0x28,
NINA_CMD_SOCKET_STATE = 0x2F,
NINA_CMD_SOCKET_REMOTE_ADDR = 0x3A,
// TCP commands
NINA_CMD_TCP_SEND = 0x44,
NINA_CMD_TCP_RECV = 0x45,
NINA_CMD_TCP_ACK = 0x2A,
// UDP commands.
NINA_CMD_UDP_SEND = 0x46,
NINA_CMD_UDP_RECV = 0x45,
NINA_CMD_UDP_ACK = 0x39,
// Pin control commands.
NINA_CMD_SET_PIN_MODE = 0x50,
NINA_CMD_SET_DIGITAL_WRITE = 0x51,
NINA_CMD_GET_DIGITAL_READ = 0x53,
NINA_CMD_SET_ANALOG_WRITE = 0x52,
NINA_CMD_GET_ANALOG_READ = 0x54,
// File send/recv commands.
NINA_CMD_CMD_WRITE_FILE = 0x60,
NINA_CMD_CMD_READ_FILE = 0x61,
NINA_CMD_CMD_DELETE_FILE = 0x62,
NINA_CMD_CMD_EXISTS_FILE = 0x63,
NINA_CMD_CMD_DOWNLOAD_FILE = 0x64,
// OTA upgrade commands.
NINA_CMD_CMD_APPLY_OTA = 0x65,
NINA_CMD_CMD_RENAME_FILE = 0x66,
NINA_CMD_CMD_DOWNLOAD_OTA = 0x67,
} nina_cmd_t;
typedef enum {
NINA_STATUS_IDLE = 0,
NINA_STATUS_NO_SSID_AVAIL,
NINA_STATUS_SCAN_COMPLETED,
NINA_STATUS_CONNECTED,
NINA_STATUS_CONNECT_FAILED,
NINA_STATUS_CONNECTION_LOST,
NINA_STATUS_DISCONNECTED,
NINA_STATUS_AP_LISTENING,
NINA_STATUS_AP_CONNECTED,
NINA_STATUS_AP_FAILED
} nina_status_t;
typedef enum {
SOCKET_STATE_CLOSED = 0,
SOCKET_STATE_LISTEN,
SOCKET_STATE_SYN_SENT,
SOCKET_STATE_SYN_RCVD,
SOCKET_STATE_ESTABLISHED,
SOCKET_STATE_FIN_WAIT_1,
SOCKET_STATE_FIN_WAIT_2,
SOCKET_STATE_CLOSE_WAIT,
SOCKET_STATE_CLOSING,
SOCKET_STATE_LAST_ACK,
SOCKET_STATE_TIME_WAIT
} nina_sock_state_t;
static uint8_t nina_bsp_spi_read_byte(void) {
uint8_t byte = 0;
nina_bsp_spi_transfer(NULL, &byte, 1);
return byte;
}
static int nina_wait_for_cmd(uint8_t cmd, uint32_t timeout) {
uint8_t buf = 0;
for (mp_uint_t start = mp_hal_ticks_ms(); ;) {
buf = nina_bsp_spi_read_byte();
if (buf == CMD_ERROR || buf == cmd
|| ((mp_hal_ticks_ms() - start) >= timeout)) {
break;
}
mp_hal_delay_ms(1);
}
return (buf == cmd) ? 0 : -1;
}
static int nina_send_command(uint32_t cmd, uint32_t nargs, uint32_t width, nina_args_t *args) {
int ret = -1;
uint32_t length = 4; // 3 bytes header + 1 end byte
debug_printf("nina_send_command (cmd 0x%x nargs %d width %d): ", cmd, nargs, width);
if (nina_bsp_spi_slave_select(NINA_SSELECT_TIMEOUT) != 0) {
return -1;
}
// Send command header.
uint8_t cmdbuf_hdr[3] = {CMD_START, cmd, nargs};
if (nina_bsp_spi_transfer(cmdbuf_hdr, NULL, sizeof(cmdbuf_hdr)) != 0) {
goto error_out;
}
// Send command arg(s).
for (uint32_t i = 0; i < nargs; i++) {
// Send size MSB first if 2 bytes.
uint16_t size = (width == ARG_8BITS) ? args[i].size : __REVSH(args[i].size);
// Send arg length.
if (nina_bsp_spi_transfer((uint8_t *)&size, NULL, width) != 0) {
goto error_out;
}
// Send arg value.
if (nina_bsp_spi_transfer(args[i].data, NULL, args[i].size) != 0) {
goto error_out;
}
length += args[i].size + width;
}
// Send END byte + padding to multiple of 4.
uint8_t cmdbuf_end[4] = {CMD_END, 0xFF, 0xFF, 0xFF};
if (nina_bsp_spi_transfer(cmdbuf_end, NULL, 1 + (length % 4)) != 0) {
goto error_out;
}
// All good
ret = 0;
error_out:
debug_printf("\n");
nina_bsp_spi_slave_deselect();
return ret;
}
static int nina_read_response(uint32_t cmd, uint32_t nvals, uint32_t width, nina_vals_t *vals) {
int ret = -1;
debug_printf("nina_read_response(cmd 0x%x nvals %d width %d): ", cmd, nvals, width);
// Read reply
if (nina_bsp_spi_slave_select(NINA_SSELECT_TIMEOUT) != 0) {
return -1;
}
// Wait for CMD_START
if (nina_wait_for_cmd(CMD_START, NINA_RESPONSE_TIMEOUT) != 0) {
goto error_out;
}
// Should return CMD + REPLY flag.
if (nina_bsp_spi_read_byte() != (cmd | CMD_REPLY)) {
goto error_out;
}
// Sanity check the number of returned values.
// NOTE: This is to handle the special case for the scan command.
uint32_t rvals = nina_bsp_spi_read_byte();
if (nvals > rvals) {
nvals = rvals;
}
// Read return value(s).
for (uint32_t i = 0; i < nvals; i++) {
// Read return value size.
uint16_t bytes = nina_bsp_spi_read_byte();
if (width == ARG_16BITS) {
bytes = (bytes << 8) | nina_bsp_spi_read_byte();
}
// Check the val fits the buffer.
if (*(vals[i].size) < bytes) {
goto error_out;
}
// Read the returned value.
if (nina_bsp_spi_transfer(NULL, vals[i].data, bytes) != 0) {
goto error_out;
}
// Set the size.
*(vals[i].size) = bytes;
}
if (nina_bsp_spi_read_byte() != CMD_END) {
goto error_out;
}
// All good
ret = 0;
error_out:
debug_printf("\n");
nina_bsp_spi_slave_deselect();
return ret;
}
static int nina_send_command_read_ack(uint32_t cmd, uint32_t nargs, uint32_t width, nina_args_t *args) {
uint16_t size = 1;
uint8_t rval = SPI_ERR;
if (nina_send_command(cmd, nargs, width, args) != 0 ||
nina_read_response(cmd, 1, ARG_8BITS, NINA_VALS({&size, &rval})) != 0) {
return -1;
}
return rval;
}
static int nina_send_command_read_vals(uint32_t cmd, uint32_t nargs,
uint32_t argsw, nina_args_t *args, uint32_t nvals, uint32_t valsw, nina_vals_t *vals) {
if (nina_send_command(cmd, nargs, argsw, args) != 0 ||
nina_read_response(cmd, nvals, valsw, vals) != 0) {
return -1;
}
return 0;
}
static void nina_fix_mac_addr(uint8_t *mac) {
for (int i = 0; i < 3; i++) {
uint8_t b = mac[i];
mac[i] = mac[5 - i];
mac[5 - i] = b;
}
}
int nina_init(void) {
// Initialize the BSP.
nina_bsp_init();
return 0;
}
int nina_deinit(void) {
return nina_bsp_deinit();
}
static int nina_connection_status() {
return nina_send_command_read_ack(NINA_CMD_CONN_STATUS, 0, ARG_8BITS, NULL);
}
static int nina_socket_status(uint8_t fd) {
return nina_send_command_read_ack(NINA_CMD_SOCKET_STATE,
1, ARG_8BITS, NINA_ARGS(ARG_BYTE(fd)));
}
static int nina_server_socket_status(uint8_t fd) {
return nina_send_command_read_ack(NINA_CMD_SOCKET_STATE & 0xF9,
1, ARG_8BITS, NINA_ARGS(ARG_BYTE(fd)));
}
int nina_connect(const char *ssid, uint8_t security, const char *key, uint16_t channel) {
uint8_t status = NINA_STATUS_CONNECT_FAILED;
if (key == NULL && security != NINA_SEC_OPEN) {
return -1;
}
switch (security) {
case NINA_SEC_OPEN:
if (nina_send_command_read_ack(NINA_CMD_CONNECT_OPEN,
1, ARG_8BITS, NINA_ARGS(ARG_STR(ssid))) != SPI_ACK) {
return -1;
}
break;
case NINA_SEC_WEP:
if (nina_send_command_read_ack(NINA_CMD_CONNECT_WEP,
2, ARG_8BITS, NINA_ARGS(ARG_STR(ssid), ARG_STR(key))) != SPI_ACK) {
return -1;
}
break;
case NINA_SEC_WPA_PSK:
if (nina_send_command_read_ack(NINA_CMD_CONNECT_WPA,
3, ARG_8BITS, NINA_ARGS(ARG_STR(ssid), ARG_BYTE(0), ARG_STR(key))) != SPI_ACK) {
return -1;
}
break;
default:
return -1;
}
for (mp_uint_t start = mp_hal_ticks_ms(); ; mp_hal_delay_ms(10)) {
status = nina_connection_status();
if ((status != NINA_STATUS_IDLE) && (status != NINA_STATUS_NO_SSID_AVAIL) && (status != NINA_STATUS_SCAN_COMPLETED)) {
break;
}
if ((mp_hal_ticks_ms() - start) >= NINA_CONNECT_TIMEOUT) {
break;
}
}
return (status == NINA_STATUS_CONNECTED) ? 0 : -1;
}
int nina_start_ap(const char *ssid, uint8_t security, const char *key, uint16_t channel) {
uint8_t status = NINA_STATUS_AP_FAILED;
if ((key == NULL && security != NINA_SEC_OPEN) ||
(security != NINA_SEC_OPEN && security != NINA_SEC_WEP)) {
return -1;
}
switch (security) {
case NINA_SEC_OPEN:
if (nina_send_command_read_ack(NINA_CMD_START_AP_OPEN,
2, ARG_8BITS, NINA_ARGS(ARG_STR(ssid), ARG_BYTE(channel))) != SPI_ACK) {
return -1;
}
break;
case NINA_SEC_WEP:
if (nina_send_command_read_ack(NINA_CMD_START_AP_WEP,
3, ARG_8BITS, NINA_ARGS(ARG_STR(ssid), ARG_STR(key), ARG_BYTE(channel))) != SPI_ACK) {
return -1;
}
break;
default:
return -1;
}
for (mp_uint_t start = mp_hal_ticks_ms(); ; mp_hal_delay_ms(10)) {
status = nina_connection_status();
if ((status != NINA_STATUS_IDLE) && (status != NINA_STATUS_NO_SSID_AVAIL) && (status != NINA_STATUS_SCAN_COMPLETED)) {
break;
}
if ((mp_hal_ticks_ms() - start) >= NINA_CONNECT_TIMEOUT) {
break;
}
}
return (status == NINA_STATUS_AP_LISTENING) ? 0 : -1;
}
int nina_disconnect(void) {
if (nina_send_command_read_ack(NINA_CMD_DISCONNECT,
1, ARG_8BITS, NINA_ARGS(ARG_BYTE(0xFF))) != SPI_ACK) {
return -1;
}
return 0;
}
int nina_isconnected(void) {
int status = nina_connection_status();
if (status == -1) {
return -1;
}
return status == NINA_STATUS_CONNECTED;
}
int nina_connected_sta(uint32_t *sta_ip) {
return -1;
}
int nina_wait_for_sta(uint32_t *sta_ip, uint32_t timeout) {
return NINA_ERROR_TIMEOUT;
}
int nina_ifconfig(nina_ifconfig_t *ifconfig, bool set) {
uint16_t ip_len = NINA_IPV4_ADDR_LEN;
uint16_t sub_len = NINA_IPV4_ADDR_LEN;
uint16_t gw_len = NINA_IPV4_ADDR_LEN;
uint16_t dns_len = NINA_IPV4_ADDR_LEN;
if (set) {
if (nina_send_command_read_ack(NINA_CMD_SET_IF_CONFIG,
4, ARG_8BITS,
NINA_ARGS(
ARG_BYTE(3), // Valid number of args.
{ip_len, ifconfig->ip_addr},
{gw_len, ifconfig->gateway_addr},
{sub_len, ifconfig->subnet_addr})) != SPI_ACK) {
return -1;
}
if (nina_send_command_read_ack(NINA_CMD_SET_DNS_CONFIG,
3, ARG_8BITS,
NINA_ARGS(
ARG_BYTE(1), // Valid number of args.
{dns_len, ifconfig->dns_addr},
{dns_len, ifconfig->dns_addr})) != SPI_ACK) {
return -1;
}
} else {
if (nina_send_command_read_vals(NINA_CMD_GET_IF_CONFIG,
1, ARG_8BITS, NINA_ARGS(ARG_BYTE(0xFF)),
3, ARG_8BITS,
NINA_VALS(
{&ip_len, ifconfig->ip_addr},
{&sub_len, ifconfig->subnet_addr},
{&gw_len, ifconfig->gateway_addr})) != 0) {
return -1;
}
// No command to get DNS ?
memcpy(ifconfig->dns_addr, ifconfig->gateway_addr, NINA_IPV4_ADDR_LEN);
}
return 0;
}
int nina_netinfo(nina_netinfo_t *netinfo) {
uint16_t rssi_len = 4;
uint16_t sec_len = 1;
uint16_t ssid_len = NINA_MAX_SSID_LEN;
uint16_t bssid_len = NINA_MAC_ADDR_LEN;
if (nina_send_command_read_vals(NINA_CMD_GET_RSSI,
1, ARG_8BITS, NINA_ARGS(ARG_BYTE(0xFF)),
1, ARG_8BITS, NINA_VALS({&rssi_len, &netinfo->rssi})) != 0) {
return -1;
}
if (nina_send_command_read_vals(NINA_CMD_GET_ENCRYPT,
1, ARG_8BITS, NINA_ARGS(ARG_BYTE(0xFF)),
1, ARG_8BITS, NINA_VALS({&sec_len, &netinfo->security})) != 0) {
return -1;
}
if (nina_send_command_read_vals(NINA_CMD_GET_SSID,
1, ARG_8BITS, NINA_ARGS(ARG_BYTE(0xFF)),
1, ARG_8BITS, NINA_VALS({&ssid_len, &netinfo->ssid})) != 0) {
return -1;
}
// Null terminate SSID.
netinfo->ssid[MIN((NINA_MAX_SSID_LEN - 1), ssid_len)] = 0;
if (nina_send_command_read_vals(NINA_CMD_GET_BSSID,
1, ARG_8BITS, NINA_ARGS(ARG_BYTE(0xFF)),
1, ARG_8BITS, NINA_VALS({&bssid_len, &netinfo->bssid})) != 0) {
return -1;
}
// The MAC address is read in reverse from the firmware.
nina_fix_mac_addr(netinfo->bssid);
return 0;
}
int nina_scan(nina_scan_callback_t scan_callback, void *arg, uint32_t timeout) {
uint16_t sizes[NINA_MAX_NETWORK_LIST];
char ssids[NINA_MAX_NETWORK_LIST][NINA_MAX_SSID_LEN];
nina_vals_t vals[NINA_MAX_NETWORK_LIST];
// Initialize the values list.
for (int i = 0; i < NINA_MAX_NETWORK_LIST; i++) {
sizes[i] = NINA_MAX_SSID_LEN - 1;
memset(ssids[i], 0, NINA_MAX_SSID_LEN);
vals[i].size = &sizes[i];
vals[i].data = ssids[i];
}
if (nina_send_command_read_ack(NINA_CMD_AP_START_SCAN,
0, ARG_8BITS, NULL) != SPI_ACK) {
return -1;
}
for (mp_uint_t start = mp_hal_ticks_ms(); ;) {
if (nina_send_command_read_vals(NINA_CMD_AP_SCAN_RESULT,
0, ARG_8BITS, NULL,
NINA_MAX_NETWORK_LIST, ARG_8BITS, vals) != 0) {
return -1;
}
if (ssids[0][0] != 0) {
// Found at least 1 network.
break;
}
if (timeout && (mp_hal_ticks_ms() - start) >= timeout) {
// Timeout, no networks.
return NINA_ERROR_TIMEOUT;
}
mp_hal_delay_ms(100);
}
for (int i = 0; i < NINA_MAX_NETWORK_LIST; i++) {
uint16_t rssi_len = 4;
uint16_t sec_len = 1;
uint16_t chan_len = 1;
uint16_t bssid_len = NINA_MAC_ADDR_LEN;
nina_scan_result_t scan_result;
if (ssids[i][0] == 0) {
break;
}
// Set AP SSID
strncpy(scan_result.ssid, ssids[i], NINA_MAX_SSID_LEN);
// Read AP RSSI
if (nina_send_command_read_vals(NINA_CMD_AP_GET_RSSI,
1, ARG_8BITS, NINA_ARGS(ARG_BYTE(i)),
1, ARG_8BITS, NINA_VALS({&rssi_len, &scan_result.rssi})) != 0) {
return -1;
}
// Read AP encryption type
if (nina_send_command_read_vals(NINA_CMD_AP_GET_ENCRYPT,
1, ARG_8BITS, NINA_ARGS(ARG_BYTE(i)),
1, ARG_8BITS, NINA_VALS({&sec_len, &scan_result.security})) != 0) {
return -1;
}
// Read AP channel
if (nina_send_command_read_vals(NINA_CMD_AP_GET_CHANNEL,
1, ARG_8BITS, NINA_ARGS(ARG_BYTE(i)),
1, ARG_8BITS, NINA_VALS({&chan_len, &scan_result.channel})) != 0) {
return -1;
}
// Read AP bssid
if (nina_send_command_read_vals(NINA_CMD_AP_GET_BSSID,
1, ARG_8BITS, NINA_ARGS(ARG_BYTE(i)),
1, ARG_8BITS, NINA_VALS({&bssid_len, scan_result.bssid})) != 0) {
return -1;
}
// The MAC address is read in reverse from the firmware.
nina_fix_mac_addr(scan_result.bssid);
scan_callback(&scan_result, arg);
}
return 0;
}
int nina_get_rssi(void) {
uint16_t size = 4;
int32_t rssi = 0;
if (nina_send_command_read_vals(NINA_CMD_GET_RSSI,
1, ARG_8BITS, NINA_ARGS(ARG_BYTE(0xFF)),
1, ARG_8BITS, NINA_VALS({&size, &rssi})) != 0) {
return -1;
}
return rssi;
}
int nina_fw_version(uint8_t *fw_ver) {
uint16_t size = NINA_FW_VER_LEN;
if (nina_send_command_read_vals(NINA_CMD_GET_FW_VERSION,
0, ARG_8BITS, NULL,
1, ARG_8BITS, NINA_VALS({&size, fw_ver})) != 0) {
return -1;
}
return 0;
}
int nina_set_hostname(const char *hostname) {
if (nina_send_command_read_ack(NINA_CMD_SET_HOSTNAME,
1, ARG_8BITS, NINA_ARGS(ARG_STR(hostname))) != SPI_ACK) {
return -1;
}
return 0;
}
int nina_gethostbyname(const char *name, uint8_t *out_ip) {
uint16_t size = 4;
if (nina_send_command_read_ack(NINA_CMD_HOST_BY_NAME,
1, ARG_8BITS, NINA_ARGS(ARG_STR(name))) != SPI_ACK) {
return -1;
}
if (nina_send_command_read_vals(NINA_CMD_GET_HOST_BY_NAME,
0, ARG_8BITS, NULL,
1, ARG_8BITS, NINA_VALS({&size, out_ip})) != 0) {
return -1;
}
return 0;
}
int nina_socket_socket(uint8_t type) {
uint16_t size = 1;
uint8_t sock = 0;
if (nina_send_command_read_vals(NINA_CMD_SOCKET_OPEN,
0, ARG_8BITS, NULL,
1, ARG_8BITS, NINA_VALS({&size, &sock})) != 0) {
return -1;
}
return sock;
}
int nina_socket_close(int fd) {
if (fd > 0 && fd < 255) {
if (nina_send_command_read_ack(NINA_CMD_SOCKET_CLOSE,
1, ARG_8BITS, NINA_ARGS(ARG_BYTE(fd))) != SPI_ACK) {
return -1;
}
for (mp_uint_t start = mp_hal_ticks_ms(); ; mp_hal_delay_ms(10)) {
if (nina_socket_status(fd) == SOCKET_STATE_CLOSED) {
break;
}
if ((mp_hal_ticks_ms() - start) >= 5000) {
return NINA_ERROR_TIMEOUT;
}
}
}
return 0;
}
int nina_socket_bind(int fd, uint8_t *ip, uint16_t port, int type) {
if (nina_send_command_read_ack(NINA_CMD_SOCKET_BIND,
3, ARG_8BITS,
NINA_ARGS(
ARG_SHORT(__REVSH(port)),
ARG_BYTE(fd),
ARG_BYTE(type))) != SPI_ACK) {
return -1;
}
// Only TCP sockets' states should be checked.
if (type == NINA_SOCKET_TYPE_TCP &&
nina_server_socket_status(fd) != SOCKET_STATE_LISTEN) {
return -1;
}
return 0;
}
int nina_socket_listen(int fd, uint32_t backlog) {
return 0; // No listen ?
}
int nina_socket_accept(int fd, uint8_t *ip, uint16_t *port, int *fd_out, uint32_t timeout) {
uint16_t size = 2;
uint16_t sock = NO_SOCKET_AVAIL;
if (nina_server_socket_status(fd) != SOCKET_STATE_LISTEN) {
return -1;
}
for (mp_uint_t start = mp_hal_ticks_ms(); sock == 0 || sock == NO_SOCKET_AVAIL; mp_hal_delay_ms(10)) {
if (nina_send_command_read_vals(NINA_CMD_SOCKET_ACCEPT,
1, ARG_8BITS, NINA_ARGS(ARG_BYTE(fd)),
1, ARG_8BITS, NINA_VALS({&size, &sock})) != 0) {
return -1;
}
if (timeout && (mp_hal_ticks_ms() - start) >= timeout) {
return NINA_ERROR_TIMEOUT;
}
}
uint16_t port_len = 2;
uint16_t ip_len = NINA_IPV4_ADDR_LEN;
if (nina_send_command_read_vals(NINA_CMD_SOCKET_REMOTE_ADDR,
1, ARG_8BITS, NINA_ARGS(ARG_BYTE(sock)),
2, ARG_8BITS, NINA_VALS({&ip_len, ip}, {&port_len, port})) != 0) {
return -1;
}
*fd_out = sock;
*port = __REVSH(*port);
return 0;
}
int nina_socket_connect(int fd, uint8_t *ip, uint16_t port, uint32_t timeout) {
if (nina_send_command_read_ack(NINA_CMD_SOCKET_CONNECT,
4, ARG_8BITS,
NINA_ARGS(
ARG_WORD((*(uint32_t *)ip)),
ARG_SHORT(__REVSH(port)),
ARG_BYTE(fd),
ARG_BYTE(NINA_SOCKET_TYPE_TCP))) != SPI_ACK) {
return -1;
}
for (mp_uint_t start = mp_hal_ticks_ms(); ; mp_hal_delay_ms(10)) {
int state = nina_socket_status(fd);
if (state == -1) {
return -1;
}
if (state == SOCKET_STATE_ESTABLISHED) {
break;
}
if (timeout && (mp_hal_ticks_ms() - start) >= timeout) {
return NINA_ERROR_TIMEOUT;
}
}
return 0;
}
int nina_socket_send(int fd, const uint8_t *buf, uint32_t len, uint32_t timeout) {
uint16_t size = 2;
uint16_t bytes = 0;
if (nina_socket_status(fd) != SOCKET_STATE_ESTABLISHED) {
return -1;
}
if (nina_send_command_read_vals(NINA_CMD_TCP_SEND,
2, ARG_16BITS, NINA_ARGS(ARG_BYTE(fd), {len, buf}),
1, ARG_8BITS, NINA_VALS({&size, &bytes})) != 0 || bytes <= 0) {
return -1;
}
for (mp_uint_t start = mp_hal_ticks_ms(); ;) {
int resp = nina_send_command_read_ack(NINA_CMD_TCP_ACK,
1, ARG_8BITS, NINA_ARGS(ARG_BYTE(fd)));
if (resp == -1) {
return -1;
}
if (resp == SPI_ACK) {
break;
}
if (timeout && (mp_hal_ticks_ms() - start) >= timeout) {
return NINA_ERROR_TIMEOUT;
}
mp_hal_delay_ms(1);
}
return bytes;
}
int nina_socket_recv(int fd, uint8_t *buf, uint32_t len, uint32_t timeout) {
uint16_t bytes = 0;
if (nina_socket_status(fd) != SOCKET_STATE_ESTABLISHED) {
return -1;
}
for (mp_uint_t start = mp_hal_ticks_ms(); bytes == 0; mp_hal_delay_ms(1)) {
bytes = len;
if (nina_send_command_read_vals(NINA_CMD_TCP_RECV,
2, ARG_16BITS, NINA_ARGS(ARG_BYTE(fd), ARG_SHORT(bytes)),
1, ARG_16BITS, NINA_VALS({&bytes, buf})) != 0) {
return -1;
}
if (timeout && (mp_hal_ticks_ms() - start) >= timeout) {
return NINA_ERROR_TIMEOUT;
}
}
return bytes;
}
// Check from the upper layer if the socket is bound, if not then auto-bind it first.
int nina_socket_sendto(int fd, const uint8_t *buf, uint32_t len, uint8_t *ip, uint16_t port, uint32_t timeout) {
// TODO do we need to split the packet somewhere?
if (nina_send_command_read_ack(NINA_CMD_SOCKET_CONNECT,
4, ARG_8BITS,
NINA_ARGS(
ARG_WORD((*(uint32_t *)ip)),
ARG_SHORT(__REVSH(port)),
ARG_BYTE(fd),
ARG_BYTE(NINA_SOCKET_TYPE_UDP))) != SPI_ACK) {
return -1;
}
// Buffer length and socket number are passed as 16bits.
if (nina_send_command_read_ack(NINA_CMD_UDP_SEND,
2, ARG_16BITS, NINA_ARGS(ARG_BYTE(fd), {len, buf})) != SPI_ACK) {
return -1;
}
if (nina_send_command_read_ack(NINA_CMD_UDP_ACK,
1, ARG_8BITS, NINA_ARGS(ARG_BYTE(fd))) != SPI_ACK) {
return -1;
}
return 0;
}
// Check from the upper layer if the socket is bound, if not then auto-bind it first.
int nina_socket_recvfrom(int fd, uint8_t *buf, uint32_t len, uint8_t *ip, uint16_t *port, uint32_t timeout) {
uint16_t bytes = 0;
uint16_t port_len = 2;
uint16_t ip_len = NINA_IPV4_ADDR_LEN;
for (mp_uint_t start = mp_hal_ticks_ms(); bytes == 0; mp_hal_delay_ms(1)) {
bytes = len;
if (nina_send_command_read_vals(NINA_CMD_UDP_RECV,
2, ARG_16BITS, NINA_ARGS(ARG_BYTE(fd), ARG_SHORT(bytes)),
1, ARG_16BITS, NINA_VALS({&bytes, buf})) != 0) {
return -1;
}
if (timeout && (mp_hal_ticks_ms() - start) >= timeout) {
return NINA_ERROR_TIMEOUT;
}
}
if (nina_send_command_read_vals(NINA_CMD_SOCKET_REMOTE_ADDR,
1, ARG_8BITS, NINA_ARGS(ARG_BYTE(fd)),
2, ARG_8BITS, NINA_VALS({&ip_len, ip}, {&port_len, port})) != 0) {
return -1;
}
return bytes;
}
int nina_socket_setsockopt(int fd, uint32_t level, uint32_t opt, const void *optval, uint32_t optlen) {
return -1;
}
#endif // MICROPY_PY_NINAW10