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AT driver (master) and example

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This commit is contained in:
Antonio Lignan 2016-05-15 11:20:23 +02:00
parent fd15934235
commit 2b30370b42
6 changed files with 833 additions and 0 deletions
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1
apps/at-master/Makefile.at-master Normal file
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at-master_src = at-master.c

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apps/at-master/at-master.c Normal file
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/*
* Copyright (c) 2015, Zolertia - http://www.zolertia.com
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#include "contiki.h"
#include "contiki-lib.h"
#include "at-master.h"
#include "cpu.h"
#include "dev/uart.h"
#include "dev/serial-line.h"
#include "dev/sys-ctrl.h"
#include "lib/list.h"
#include "sys/cc.h"
#include <ctype.h>
#include <string.h>
#include <stdio.h>
#include <stdint.h>
/*---------------------------------------------------------------------------*/
#define DEBUG 0
#if DEBUG
#define PRINTF(...) printf(__VA_ARGS__)
#else
#define PRINTF(...)
#endif
/*---------------------------------------------------------------------------*/
LIST(at_cmd_list);
process_event_t at_cmd_received_event;
/*---------------------------------------------------------------------------*/
static uint8_t at_uart = 0;
/*---------------------------------------------------------------------------*/
PROCESS(at_process, "AT process");
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(at_process, ev, data)
{
uint8_t plen;
char *pch, *buf;
struct at_cmd *a;
PROCESS_BEGIN();
while(1) {
PROCESS_WAIT_EVENT_UNTIL(ev == serial_line_event_message && data != NULL);
buf = (char *)data;
plen = strlen(buf);
for(a = list_head(at_cmd_list); a != NULL; a = list_item_next(a)) {
pch = strstr(buf, a->cmd_header);
if((plen <= a->cmd_max_len) && (pch != NULL)) {
if(strncmp(a->cmd_header, pch, a->cmd_hdr_len) == 0) {
if((a->cmd_hdr_len == plen) || (a->cmd_max_len > a->cmd_hdr_len)) {
a->event_callback(a, plen, (char *)pch);
process_post(a->app_process, at_cmd_received_event, NULL);
break;
}
}
}
}
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
struct at_cmd *
at_list(void)
{
return list_head(at_cmd_list);
}
/*---------------------------------------------------------------------------*/
uint8_t
at_send(char *s, uint8_t len)
{
uint8_t i = 0;
while(s && *s != 0) {
if(i >= len) {
break;
}
uart_write_byte(at_uart, *s++);
i++;
}
return i;
}
/*---------------------------------------------------------------------------*/
void
at_init(uint8_t uart_sel)
{
static uint8_t inited = 0;
if(!inited) {
list_init(at_cmd_list);
at_cmd_received_event = process_alloc_event();
inited = 1;
at_uart = uart_sel;
uart_init(at_uart);
uart_set_input(at_uart, serial_line_input_byte);
serial_line_init();
process_start(&at_process, NULL);
PRINTF("AT: Started (%u)\n", at_uart);
}
}
/*---------------------------------------------------------------------------*/
at_status_t
at_register(struct at_cmd *cmd, struct process *app_process,
const char *cmd_hdr, const uint8_t hdr_len,
const uint8_t cmd_max_len, at_event_callback_t event_callback)
{
if((hdr_len < 1) || (cmd_max_len < 1) || (!strncmp(cmd_hdr, "AT", 2) == 0) ||
(event_callback == NULL)) {
PRINTF("AT: Invalid argument\n");
return AT_STATUS_INVALID_ARGS_ERROR;
}
memset(cmd, 0, sizeof(struct at_cmd));
cmd->event_callback = event_callback;
cmd->cmd_header = cmd_hdr;
cmd->cmd_hdr_len = hdr_len;
cmd->cmd_max_len = cmd_max_len;
cmd->app_process = app_process;
list_add(at_cmd_list, cmd);
PRINTF("AT: registered HDR %s LEN %u MAX %u\n", cmd->cmd_header,
cmd->cmd_hdr_len,
cmd->cmd_max_len);
return AT_STATUS_OK;
}
/*---------------------------------------------------------------------------*/

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apps/at-master/at-master.h Normal file
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/*
* Copyright (c) 2015, Zolertia - http://www.zolertia.com
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#ifndef AT_MASTER_H_
#define AT_MASTER_H_
#include "contiki.h"
/*---------------------------------------------------------------------------*/
#define AT_DEFAULT_RESPONSE_OK "\r\nOK\r\n"
#define AT_DEFAULT_RESPONSE_ERROR "\r\nERROR\r\n"
/*---------------------------------------------------------------------------*/
#define AT_RESPONSE(x) at_send((x), (strlen(x)))
/*---------------------------------------------------------------------------*/
extern process_event_t at_cmd_received_event;
struct at_cmd;
/*---------------------------------------------------------------------------*/
typedef enum {
AT_STATUS_OK,
AT_STATUS_ERROR,
AT_STATUS_INVALID_ARGS_ERROR,
} at_status_t;
/*---------------------------------------------------------------------------*/
/**
* \brief AT initialization
* \param uart selects which UART to use
*
* The AT driver invokes this function upon registering a command, this will
* wait for the serial_line_event_message event
*/
void at_init(uint8_t uart);
/*---------------------------------------------------------------------------*/
/**
* \brief AT initialization
* \param uart selects which UART to use
*
* The AT driver invokes this function upon registering a command, this will
* wait for the serial_line_event_message event
*/
uint8_t at_send(char *s, uint8_t len);
/*---------------------------------------------------------------------------*/
/**
* \brief AT event callback
* \param cmd A pointer to the AT command placeholder
* \param len Lenght of the received data (including the AT command header)
* \param data A user-defined pointer
*
* The AT event callback function gets called whenever there is an
* event on an incoming AT command
*/
typedef void (*at_event_callback_t)(struct at_cmd *cmd,
uint8_t len,
char *data);
/*---------------------------------------------------------------------------*/
struct at_cmd {
struct at_cmd *next;
const char *cmd_header;
uint8_t cmd_hdr_len;
uint8_t cmd_max_len;
at_event_callback_t event_callback;
struct process *app_process;
};
/*---------------------------------------------------------------------------*/
/**
* \brief Registers the callback to return an AT command
* \param cmd A pointer to the CMD placeholder
* \param cmd_hdr String to compare when an AT command is received
* \param cmd_len Lenght of cmd_hdr
* \param event_callback Callback function to handle the AT command
* \return AT_STATUS_OK or AT_STATUS_INVALID_ARGS_ERROR
*
* Register the commands to search for when a valid AT frame has been received
*/
at_status_t at_register(struct at_cmd *cmd,
struct process *app_process,
const char *cmd_hdr,
const uint8_t cmd_hdr_len,
const uint8_t cmd_max_len,
at_event_callback_t event_callback);
/*---------------------------------------------------------------------------*/
struct at_cmd *at_list(void);
/*---------------------------------------------------------------------------*/
/**
* \brief Registers the callback to return an AT command
* \param cmd A pointer to the CMD placeholder
* \param cmd_hdr String to compare when an AT command is received
* \param cmd_len Lenght of cmd_hdr
* \param event_callback Callback function to handle the AT command
* \return AT_STATUS_OK or AT_STATUS_INVALID_ARGS_ERROR
*
* Register the commands to search for when a valid AT frame has been received
*/
at_status_t at_register(struct at_cmd *cmd,
struct process *app_process,
const char *cmd_hdr,
const uint8_t cmd_hdr_len,
const uint8_t cmd_max_len,
at_event_callback_t event_callback);
#endif /* AT_MASTER_H_ */

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examples/zolertia/zoul/at-test/Makefile Normal file
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DEFINES+=PROJECT_CONF_H=\"project-conf.h\"
CONTIKI_PROJECT = at-master-test
APPS = at-master
all: $(CONTIKI_PROJECT)
CONTIKI = ../../../..
include $(CONTIKI)/Makefile.include

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examples/zolertia/zoul/at-test/at-master-test.c Normal file
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/*
* Copyright (c) 2016, Zolertia - http://www.zolertia.com
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
/*---------------------------------------------------------------------------*/
/**
* \addtogroup zoul-AT-master-test
* @{
*
* Test the Zoul hardware using AT commands
* @{
*
* \author
* Antonio Lignan <alinan@zolertia.com>
*/
/*---------------------------------------------------------------------------*/
#include "contiki.h"
#include "cpu.h"
#include "at-master.h"
#include "sys/ctimer.h"
#include "sys/process.h"
#include "dev/adc.h"
#include "dev/leds.h"
#include "dev/watchdog.h"
#include "dev/sys-ctrl.h"
#include "dev/gpio.h"
#include "dev/ioc.h"
#include "net/rime/rime.h"
#include "lib/list.h"
#include "dev/sha256.h"
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
/*---------------------------------------------------------------------------*/
PROCESS(at_test_process, "AT test process");
AUTOSTART_PROCESSES(&at_test_process);
/*---------------------------------------------------------------------------*/
#define DEBUG 0
#if DEBUG
#define PRINTF(...) printf(__VA_ARGS__)
#else
#define PRINTF(...)
#endif
/*---------------------------------------------------------------------------*/
static struct at_cmd at_cmd_test;
static struct at_cmd at_cmd_board;
static struct at_cmd at_cmd_led;
static struct at_cmd at_cmd_addr;
static struct at_cmd at_cmd_gpio;
static struct at_cmd at_cmd_read;
static struct at_cmd at_cmd_flop;
static struct at_cmd at_cmd_reset;
static struct at_cmd at_cmd_sha256;
static struct at_cmd at_cmd_adc;
/*---------------------------------------------------------------------------*/
#define HWTEST_GPIO_INPUT 0
#define HWTEST_GPIO_OUTPUT 1
#define HWTEST_GPIO_OUTPUT_ODD 3
#define HWTEST_GPIO_OUTPUT_LIST 4
#define HWTEST_GPIO_OUTPUT_MASK 0x55
#define HWTEST_GPIO_OUTPUT_ODD_MASK 0xAA
/*---------------------------------------------------------------------------*/
typedef struct {
char *name;
uint8_t port;
uint8_t pin;
} gpio_list_t;
/*---------------------------------------------------------------------------*/
static struct ctimer ct;
/*---------------------------------------------------------------------------*/
static void
floppin(uint8_t port, uint8_t pin)
{
uint8_t i;
GPIO_CLR_PIN(GPIO_PORT_TO_BASE(port), GPIO_PIN_MASK(pin));
clock_delay_usec(500);
for(i = 0; i < 50; i++) {
GPIO_SET_PIN(GPIO_PORT_TO_BASE(port), GPIO_PIN_MASK(pin));
clock_delay_usec(500);
GPIO_CLR_PIN(GPIO_PORT_TO_BASE(port), GPIO_PIN_MASK(pin));
clock_delay_usec(500);
}
}
/*---------------------------------------------------------------------------*/
#if DEBUG
static char *
pname(uint8_t num)
{
if(num == GPIO_A_NUM) {
return "PA";
}
if(num == GPIO_B_NUM) {
return "PB";
}
if(num == GPIO_C_NUM) {
return "PC";
}
if(num == GPIO_D_NUM) {
return "PD";
}
return "INVALID";
}
#endif
/*---------------------------------------------------------------------------*/
static void
config_gpio(uint8_t port, uint8_t pin, uint8_t type)
{
GPIO_SOFTWARE_CONTROL(GPIO_PORT_TO_BASE(port), GPIO_PIN_MASK(pin));
if(type == HWTEST_GPIO_OUTPUT) {
GPIO_SET_OUTPUT(GPIO_PORT_TO_BASE(port), GPIO_PIN_MASK(pin));
} else if(type == HWTEST_GPIO_INPUT) {
GPIO_SET_INPUT(GPIO_PORT_TO_BASE(port), GPIO_PIN_MASK(pin));
}
}
/*---------------------------------------------------------------------------*/
static void
at_cmd_test_callback(struct at_cmd *cmd, uint8_t len, char *data)
{
AT_RESPONSE("Hello!");
AT_RESPONSE(AT_DEFAULT_RESPONSE_OK);
}
/*---------------------------------------------------------------------------*/
static void
at_cmd_board_callback(struct at_cmd *cmd, uint8_t len, char *data)
{
AT_RESPONSE(BOARD_STRING);
AT_RESPONSE(AT_DEFAULT_RESPONSE_OK);
}
/*---------------------------------------------------------------------------*/
static void
at_cmd_flop_callback(struct at_cmd *cmd, uint8_t len, char *data)
{
/* Format: AT&FLOP=PN where P(ort)N(number) */
uint8_t port;
uint8_t pin = atoi(&data[9]);
if((pin < 0) || (pin > 9)) {
AT_RESPONSE(AT_DEFAULT_RESPONSE_ERROR);
return;
}
if(strncmp(&data[8], "A", 1) == 0) {
port = GPIO_A_NUM;
} else if(strncmp(&data[8], "B", 1) == 0) {
port = GPIO_B_NUM;
} else if(strncmp(&data[8], "C", 1) == 0) {
port = GPIO_C_NUM;
} else if(strncmp(&data[8], "D", 1) == 0) {
port = GPIO_D_NUM;
} else {
AT_RESPONSE(AT_DEFAULT_RESPONSE_ERROR);
return;
}
config_gpio(port, pin, HWTEST_GPIO_OUTPUT);
floppin(port, pin);
AT_RESPONSE(AT_DEFAULT_RESPONSE_OK);
}
/*---------------------------------------------------------------------------*/
static void
at_cmd_address_callback(struct at_cmd *cmd, uint8_t len, char *data)
{
static char _lladdr[17];
snprintf(_lladdr, 17, "%02x%02x%02x%02x%02x%02x%02x%02x",
linkaddr_node_addr.u8[0], linkaddr_node_addr.u8[1],
linkaddr_node_addr.u8[2], linkaddr_node_addr.u8[3],
linkaddr_node_addr.u8[4], linkaddr_node_addr.u8[5],
linkaddr_node_addr.u8[6], linkaddr_node_addr.u8[7]);
AT_RESPONSE(_lladdr);
AT_RESPONSE(AT_DEFAULT_RESPONSE_OK);
}
/*---------------------------------------------------------------------------*/
static void
at_cmd_reset_callback(struct at_cmd *cmd, uint8_t len, char *data)
{
uint8_t reset_val = atoi(&data[9]);
/* AT&RESET=n, where n:
* 0 : CC2538 soft reset
*/
if((reset_val != 0) && (reset_val != 1)) {
AT_RESPONSE(AT_DEFAULT_RESPONSE_ERROR);
return;
}
/* Send the response and wait a second until executing the command */
AT_RESPONSE(AT_DEFAULT_RESPONSE_OK);
if(reset_val == 0) {
ctimer_set(&ct, CLOCK_SECOND, sys_ctrl_reset, NULL);
}
}
/*---------------------------------------------------------------------------*/
static void
at_cmd_leds_callback(struct at_cmd *cmd, uint8_t len, char *data)
{
/* Format: AT&LED=L,s where L(ed)=R/G/B, s(tate)=1/0*/
uint8_t led;
uint8_t state = strncmp(&data[9], "1", 1) ? 0 : 1;
if(strncmp(&data[8], ",", 1) != 0) {
AT_RESPONSE(AT_DEFAULT_RESPONSE_ERROR);
return;
}
if(strncmp(&data[7], "R", 1) == 0) {
led = LEDS_RED;
} else if(strncmp(&data[7], "G", 1) == 0) {
led = LEDS_GREEN;
} else if(strncmp(&data[7], "B", 1) == 0) {
led = LEDS_BLUE;
} else {
AT_RESPONSE(AT_DEFAULT_RESPONSE_ERROR);
return;
}
if(state) {
leds_on(led);
} else {
leds_off(led);
}
AT_RESPONSE(AT_DEFAULT_RESPONSE_OK);
}
/*---------------------------------------------------------------------------*/
static void
at_cmd_gpio_callback(struct at_cmd *cmd, uint8_t len, char *data)
{
/* Format: AT&GPIO=PN,s where P(ort)N(number), s(tate)=1/0 */
uint8_t port;
uint8_t state = strncmp(&data[11], "1", 1) ? 0 : 1;
uint8_t pin = atoi(&data[9]);
if(strncmp(&data[10], ",", 1) != 0) {
AT_RESPONSE(AT_DEFAULT_RESPONSE_ERROR);
return;
}
if((pin < 0) || (pin > 7)) {
AT_RESPONSE(AT_DEFAULT_RESPONSE_ERROR);
return;
}
if((state < 0) || (state > 1)) {
AT_RESPONSE(AT_DEFAULT_RESPONSE_ERROR);
return;
}
if(strncmp(&data[8], "A", 1) == 0) {
port = GPIO_A_NUM;
} else if(strncmp(&data[8], "B", 1) == 0) {
port = GPIO_B_NUM;
} else if(strncmp(&data[8], "C", 1) == 0) {
port = GPIO_C_NUM;
} else if(strncmp(&data[8], "D", 1) == 0) {
port = GPIO_D_NUM;
} else {
AT_RESPONSE(AT_DEFAULT_RESPONSE_ERROR);
return;
}
config_gpio(port, pin, HWTEST_GPIO_OUTPUT);
if(state) {
GPIO_SET_PIN(GPIO_PORT_TO_BASE(port), GPIO_PIN_MASK(pin));
} else {
GPIO_CLR_PIN(GPIO_PORT_TO_BASE(port), GPIO_PIN_MASK(pin));
}
AT_RESPONSE(AT_DEFAULT_RESPONSE_OK);
}
/*---------------------------------------------------------------------------*/
static void
at_cmd_adc_callback(struct at_cmd *cmd, uint8_t len, char *data)
{
/* Format: AT&ADC=N where N is 4-7, it can be "*" to read all */
uint8_t i, pin;
uint16_t res[4];
char read_result[24];
if(strncmp(&data[7], "*", 1) == 0) {
pin = 8;
} else {
pin = atoi(&data[7]);
}
if((pin < 4) || (pin > 8)) {
AT_RESPONSE(AT_DEFAULT_RESPONSE_ERROR);
return;
}
if(pin < 8) {
config_gpio(GPIO_A_NUM, pin, HWTEST_GPIO_INPUT);
ioc_set_over(GPIO_A_NUM, pin, IOC_OVERRIDE_ANA);
res[pin - 4] = adc_get((SOC_ADC_ADCCON_CH_AIN0 + pin),
SOC_ADC_ADCCON_REF_AVDD5,
SOC_ADC_ADCCON_DIV_512);
res[pin - 4] = res[pin - 4] / 10;
PRINTF("ADC%u: %04d\n", pin, res[pin - 4]);
snprintf(read_result, 5, "%04d", res[pin - 4]);
} else {
for(i = 4; i < 8; i++) {
config_gpio(GPIO_A_NUM, i, HWTEST_GPIO_INPUT);
ioc_set_over(GPIO_A_NUM, i, IOC_OVERRIDE_ANA);
res[i - 4] = adc_get((SOC_ADC_ADCCON_CH_AIN0 + i),
SOC_ADC_ADCCON_REF_AVDD5,
SOC_ADC_ADCCON_DIV_512);
res[i - 4] = res[i - 4] / 10;
}
snprintf(read_result, 24, "%04d %04d %04d %04d", res[0], res[1],
res[2], res[3]);
}
AT_RESPONSE(read_result);
AT_RESPONSE(AT_DEFAULT_RESPONSE_OK);
}
/*---------------------------------------------------------------------------*/
static void
at_cmd_read_callback(struct at_cmd *cmd, uint8_t len, char *data)
{
/* Format: AT&READ=PN where P(ort)N(number), N can be "*" to read all */
uint8_t port, pin;
char read_result[5];
if(strncmp(&data[9], "*", 1) == 0) {
pin = 0xFF;
} else {
pin = atoi(&data[9]);
}
if((pin < 0) || (pin > 7)) {
if(pin != 0xFF) {
AT_RESPONSE(AT_DEFAULT_RESPONSE_ERROR);
return;
}
}
if(pin < 8) {
pin = GPIO_PIN_MASK(pin);
}
/* Exclude PA0-PA3 */
if(strncmp(&data[8], "A", 1) == 0) {
port = GPIO_A_NUM;
if(pin < 0x1F) {
AT_RESPONSE(AT_DEFAULT_RESPONSE_ERROR);
return;
} else {
if(pin == 0xFF) {
pin = 0xF0;
}
}
} else if(strncmp(&data[8], "B", 1) == 0) {
port = GPIO_B_NUM;
} else if(strncmp(&data[8], "C", 1) == 0) {
port = GPIO_C_NUM;
} else if(strncmp(&data[8], "D", 1) == 0) {
port = GPIO_D_NUM;
} else {
AT_RESPONSE(AT_DEFAULT_RESPONSE_ERROR);
return;
}
config_gpio(port, pin, HWTEST_GPIO_INPUT);
snprintf(read_result, 5, "0x%02X",
(uint16_t)GPIO_READ_PIN(GPIO_PORT_TO_BASE(port), pin));
AT_RESPONSE(read_result);
AT_RESPONSE(AT_DEFAULT_RESPONSE_OK);
}
/*---------------------------------------------------------------------------*/
static void
at_cmd_sha256_callback(struct at_cmd *cmd, uint8_t len, char *data)
{
/* Format: AT&SHA256=s, where s is a string up to 64 bytes */
uint8_t i;
char tmp[4], sha256[32], sha256_res[64];
static sha256_state_t state;
crypto_init();
if(sha256_init(&state) != CRYPTO_SUCCESS) {
AT_RESPONSE(AT_DEFAULT_RESPONSE_ERROR);
return;
}
if(sha256_process(&state, &data[10],
len - (cmd->cmd_hdr_len)) != CRYPTO_SUCCESS) {
AT_RESPONSE(AT_DEFAULT_RESPONSE_ERROR);
return;
}
if(sha256_done(&state, sha256) != CRYPTO_SUCCESS) {
AT_RESPONSE(AT_DEFAULT_RESPONSE_ERROR);
return;
}
crypto_disable();
PRINTF("Input: %s:\n", &data[10]);
snprintf(tmp, 3, "%02X", sha256[0]);
strncpy(sha256_res, tmp, 3);
for(i = 1; i < 32; i++) {
PRINTF("0x%02X ", sha256[i]);
snprintf(tmp, 3, "%02X", sha256[i]);
strcat(sha256_res, tmp);
}
PRINTF("\nSHA256: %s\n", sha256_res);
AT_RESPONSE(sha256_res);
AT_RESPONSE(AT_DEFAULT_RESPONSE_OK);
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(at_test_process, ev, data)
{
PROCESS_BEGIN();
struct at_cmd *a;
/* Initialize the driver, default is UART0 */
at_init(0);
/* Register a list of commands, is mandatory to start with "AT" */
at_register(&at_cmd_test, &at_test_process, "AT", 2, 2,
at_cmd_test_callback);
at_register(&at_cmd_board, &at_test_process, "AT&V", 4, 4,
at_cmd_board_callback);
at_register(&at_cmd_led, &at_test_process, "AT&LED", 6, 10,
at_cmd_leds_callback);
at_register(&at_cmd_addr, &at_test_process, "AT&A", 4, 4,
at_cmd_address_callback);
at_register(&at_cmd_gpio, &at_test_process, "AT&GPIO=", 8, 12,
at_cmd_gpio_callback);
at_register(&at_cmd_read, &at_test_process, "AT&READ=", 8, 10,
at_cmd_read_callback);
at_register(&at_cmd_adc, &at_test_process, "AT&ADC=", 7, 8,
at_cmd_adc_callback);
at_register(&at_cmd_flop, &at_test_process, "AT&FLOP=", 8, 10,
at_cmd_flop_callback);
at_register(&at_cmd_reset, &at_test_process, "AT&RESET=", 9, 10,
at_cmd_reset_callback);
at_register(&at_cmd_sha256, &at_test_process, "AT&SHA256=", 10, 64,
at_cmd_sha256_callback);
/* Print the command list */
PRINTF("AT command list:\n");
for(a = at_list(); a != NULL; a = list_item_next(a)) {
PRINTF("* HDR %s LEN %u MAX %u\n", a->cmd_header, a->cmd_hdr_len,
a->cmd_max_len);
}
/*
* When an AT command is received over the serial line, the registered
* callbacks will be invoked, let the process spin until then
*/
while(1) {
PROCESS_YIELD();
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
/**
* @}
* @}
* @}
*/

67
examples/zolertia/zoul/at-test/project-conf.h Normal file
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@ -0,0 +1,67 @@
/*
* Copyright (c) 2016, Zolertia - http://www.zolertia.com
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
/*---------------------------------------------------------------------------*/
/**
* \addtogroup remote-examples
* @{
*
* \defgroup zoul-AT-master-test
*
* Test the Zoul hardware over AT API
* @{
*
* \file
* Test the Zoul hardware over AT API
*
* \author
* Antonio Lignan <alinan@zolertia.com>
*/
/*---------------------------------------------------------------------------*/
#ifndef PROJECT_CONF_H_
#define PROJECT_CONF_H_
/* Drop maximum to PM1 to have the UART on all the time */
#define LPM_CONF_MAX_PM 1
/* the radio is not used */
#define CONTIKI_NO_NET 1
/* Override serial-line defaults */
#define SERIAL_LINE_CONF_BUFSIZE 128
#undef IGNORE_CHAR
#undef END
#define IGNORE_CHAR(c) (c == 0x0d)
#define END 0x0a
#define NETSTACK_CONF_RDC nullrdc_driver
#endif /* PROJECT_CONF_H_ */
/** @} */