Hi,
I am trying to read UART data which is populated from another device going into the nordic board.
However, I am unable to read this data. I am using the ble_app_beacon which posts advert packets out with data.
I want this data to come from a UART device which contains sensor data formatted like this:
1,1200,1,1300. The 1200 and 1300 are the data values.
My pin connections to the UART are : RX 8, TX,6, CTS, 7 and RTS 5.
Before the code in the main thread is run my putty terminal(connected to the nordic board sees the data(1,1200,1,1300).
I need a way of reading this.
I have a UART handler but it does not seem to get data from the putty terminal.
Please can you inform me how I can access this data. Here is my main code:
/**
* Copyright (c) 2014 - 2018, Nordic Semiconductor ASA
*
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* software without specific prior written permission.
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* 4. This software, with or without modification, must only be used with a
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/** @file
*
* @defgroup ble_sdk_app_beacon_main main.c
* @{
* @ingroup ble_sdk_app_beacon
* @brief Beacon Transmitter Sample Application main file.
*
* This file contains the source code for an Beacon transmitter sample application.
*/
#include <stdbool.h>
#include <stdint.h>
#include "nordic_common.h"
#include "bsp.h"
#include "nrf_soc.h"
#include "nrf_sdh.h"
#include "nrf_sdh_ble.h"
#include "ble_advdata.h"
#include "app_timer.h"
#include "nrf_pwr_mgmt.h"
#include "nrf_serial.h"
#include "nrf_uarte.h"
#include "app_uart.h"
#include "stdlib.h"
#include "nrf_log.h"
#include "nrf_log_ctrl.h"
#include "nrf_log_default_backends.h"
#include "nrf_delay.h"
#define APP_BLE_CONN_CFG_TAG 1 /**< A tag identifying the SoftDevice BLE configuration. */
#define NON_CONNECTABLE_ADV_INTERVAL MSEC_TO_UNITS(100, UNIT_0_625_MS) /**< The advertising interval for non-connectable advertisement (100 ms). This value can vary between 100ms to 10.24s). */
#define APP_BEACON_INFO_LENGTH 0x13 /**< Total length of information advertised by the Beacon. */
#define APP_ADV_DATA_LENGTH 0x15 /**< Length of manufacturer specific data in the advertisement. */
#define APP_DEVICE_TYPE 0x02 /**< 0x02 refers to Beacon. */
#define APP_MEASURED_RSSI 0xC3 /**< The Beacon's measured RSSI at 1 meter distance in dBm. */
#define APP_COMPANY_IDENTIFIER 0x0059 /**< Company identifier for nordic as per www.bluetooth.org. */
#define APP_MAJOR_VALUE 0x01, 0x02 /**< Major value used to identify Beacons. */
#define APP_MINOR_VALUE 0x03, 0x04 /**< Minor value used to identify Beacons. */
/*#define APP_BEACON_UUID 0x01, 0x12, 0x23, 0x34, \
0x45, 0x56, 0x67, 0x78, \
0x89, 0x9a, 0xab, 0xbc, \
0xcd, 0xde, 0xef, 0xf0 /**< Proprietary UUID for Beacon. */
#define APP_BEACON_UUID 0x00, 0x00, 0x00, 0x34, \
0x45, 0x56, 0x67, 0x78, \
0x89, 0x9a, 0xab, 0xbc, \
0xcd, 0xde, 0xef, 0xf0
#define DEAD_BEEF 0xDEADBEEF /**< Value used as error code on stack dump, can be used to identify stack location on stack unwind. */
#if defined(USE_UICR_FOR_MAJ_MIN_VALUES)
#define MAJ_VAL_OFFSET_IN_BEACON_INFO 18 /**< Position of the MSB of the Major Value in m_beacon_info array. */
#define UICR_ADDRESS 0x10001080 /**< Address of the UICR register used by this example. The major and minor versions to be encoded into the advertising data will be picked up from this location. */
#endif
NRF_SERIAL_DRV_UART_CONFIG_DEF(m_uarte0_drv_config,
RX_PIN_NUMBER, TX_PIN_NUMBER,
RTS_PIN_NUMBER, CTS_PIN_NUMBER,
NRF_UART_HWFC_DISABLED, NRF_UART_PARITY_EXCLUDED,
NRF_UART_BAUDRATE_115200,
UART_DEFAULT_CONFIG_IRQ_PRIORITY);
#define SERIAL_FIFO_TX_SIZE 32
#define SERIAL_FIFO_RX_SIZE 32
NRF_SERIAL_QUEUES_DEF(serial0_queues, SERIAL_FIFO_TX_SIZE, SERIAL_FIFO_RX_SIZE);
#define SERIAL_BUFF_TX_SIZE 1
#define SERIAL_BUFF_RX_SIZE 1
NRF_SERIAL_BUFFERS_DEF(serial0_buffs, SERIAL_BUFF_TX_SIZE, SERIAL_BUFF_RX_SIZE);
NRF_SERIAL_CONFIG_DEF(serial0_config, NRF_SERIAL_MODE_DMA,
&serial0_queues, &serial0_buffs, NULL, NULL);
NRF_SERIAL_UART_DEF(serial0_uarte, 0);
static ble_gap_adv_params_t m_adv_params; /**< Parameters to be passed to the stack when starting advertising. */
static uint8_t m_adv_handle = BLE_GAP_ADV_SET_HANDLE_NOT_SET; /**< Advertising handle used to identify an advertising set. */
static uint8_t m_enc_advdata[BLE_GAP_ADV_SET_DATA_SIZE_MAX]; /**< Buffer for storing an encoded advertising set. */
/**@brief Struct that contains pointers to the encoded advertising data. */
static ble_gap_adv_data_t m_adv_data =
{
.adv_data =
{
.p_data = m_enc_advdata,
.len = BLE_GAP_ADV_SET_DATA_SIZE_MAX
},
.scan_rsp_data =
{
.p_data = NULL,
.len = 0
}
};
//static uint8_t m_beacon_info[APP_BEACON_INFO_LENGTH] = /**< Information advertised by the Beacon. */
/*{
APP_DEVICE_TYPE, // Manufacturer specific information. Specifies the device type in this
// implementation.
APP_ADV_DATA_LENGTH, // Manufacturer specific information. Specifies the length of the
// manufacturer specific data in this implementation.
APP_BEACON_UUID, // 128 bit UUID value.
APP_MAJOR_VALUE, // Major arbitrary value that can be used to distinguish between Beacons.
APP_MINOR_VALUE, // Minor arbitrary value that can be used to distinguish between Beacons.
APP_MEASURED_RSSI // Manufacturer specific information. The Beacon's measured TX power in
// this implementation.
};*/
typedef struct
{
uint32_t pressure1;
uint32_t pressure2;
uint16_t temperature1;
uint16_t temperature2;
} data_packet_t;
data_packet_t PandT;
#define COUNTER 0x00
#define ADV_PACKET_LENGTH 0x13
#define PROTOCOL 0x00,0x00
#define D1 0x03, 0xE8 // 100 Degrees
#define D2 0x04, 0x80 // 120 Degrees
#define D3 0x05,0x78 // 140 Degrees
#define D4 0x4E,0x20 // 20000 mbar
#define D5 0x4E,0x84 // 20100 mbar
uint8_t T1_Data =0;
static uint8_t m_beacon_info[ADV_PACKET_LENGTH] = /**< Information advertised by the Beacon. */
{
COUNTER, // This is a counter that counts up
D1, // Temperature 1
D2, // Temperature 2
D3, // Temperature 3
D4, // Pressure 1
D5 // Pressure 2
};
/**@brief Callback function for asserts in the SoftDevice.
*
* @details This function will be called in case of an assert in the SoftDevice.
*
* @warning This handler is an example only and does not fit a final product. You need to analyze
* how your product is supposed to react in case of Assert.
* @warning On assert from the SoftDevice, the system can only recover on reset.
*
* @param[in] line_num Line number of the failing ASSERT call.
* @param[in] file_name File name of the failing ASSERT call.
*/
void assert_nrf_callback(uint16_t line_num, const uint8_t * p_file_name)
{
app_error_handler(DEAD_BEEF, line_num, p_file_name);
}
/**@brief Function for initializing the Advertising functionality.
*
* @details Encodes the required advertising data and passes it to the stack.
* Also builds a structure to be passed to the stack when starting advertising.
*/
static void advertising_init(void)
{
uint32_t err_code;
ble_advdata_t advdata;
uint8_t flags = BLE_GAP_ADV_FLAG_BR_EDR_NOT_SUPPORTED;
ble_advdata_manuf_data_t manuf_specific_data;
manuf_specific_data.company_identifier = APP_COMPANY_IDENTIFIER;
#if defined(USE_UICR_FOR_MAJ_MIN_VALUES)
// If USE_UICR_FOR_MAJ_MIN_VALUES is defined, the major and minor values will be read from the
// UICR instead of using the default values. The major and minor values obtained from the UICR
// are encoded into advertising data in big endian order (MSB First).
// To set the UICR used by this example to a desired value, write to the address 0x10001080
// using the nrfjprog tool. The command to be used is as follows.
// nrfjprog --snr <Segger-chip-Serial-Number> --memwr 0x10001080 --val <your major/minor value>
// For example, for a major value and minor value of 0xabcd and 0x0102 respectively, the
// the following command should be used.
// nrfjprog --snr <Segger-chip-Serial-Number> --memwr 0x10001080 --val 0xabcd0102
uint16_t major_value = ((*(uint32_t *)UICR_ADDRESS) & 0xFFFF0000) >> 16;
uint16_t minor_value = ((*(uint32_t *)UICR_ADDRESS) & 0x0000FFFF);
uint8_t index = MAJ_VAL_OFFSET_IN_BEACON_INFO;
m_beacon_info[index++] = MSB_16(major_value);
m_beacon_info[index++] = LSB_16(major_value);
m_beacon_info[index++] = MSB_16(minor_value);
m_beacon_info[index++] = LSB_16(minor_value);
#endif
manuf_specific_data.data.p_data = (uint8_t *) m_beacon_info;
manuf_specific_data.data.size = APP_BEACON_INFO_LENGTH;
// Build and set advertising data.
memset(&advdata, 0, sizeof(advdata));
advdata.name_type = BLE_ADVDATA_NO_NAME;
advdata.flags = flags;
advdata.p_manuf_specific_data = &manuf_specific_data;
// Initialize advertising parameters (used when starting advertising).
memset(&m_adv_params, 0, sizeof(m_adv_params));
m_adv_params.properties.type = BLE_GAP_ADV_TYPE_NONCONNECTABLE_NONSCANNABLE_UNDIRECTED;
m_adv_params.p_peer_addr = NULL; // Undirected advertisement.
m_adv_params.filter_policy = BLE_GAP_ADV_FP_ANY;
m_adv_params.interval = NON_CONNECTABLE_ADV_INTERVAL;
m_adv_params.duration = 0; // Never time out.
err_code = ble_advdata_encode(&advdata, m_adv_data.adv_data.p_data, &m_adv_data.adv_data.len);
APP_ERROR_CHECK(err_code);
err_code = sd_ble_gap_adv_set_configure(&m_adv_handle, &m_adv_data, &m_adv_params);
APP_ERROR_CHECK(err_code);
}
/**@brief Function for starting advertising.
*/
static void advertising_start(void)
{
ret_code_t err_code;
err_code = sd_ble_gap_adv_start(m_adv_handle, APP_BLE_CONN_CFG_TAG);
APP_ERROR_CHECK(err_code);
err_code = bsp_indication_set(BSP_INDICATE_ADVERTISING);
APP_ERROR_CHECK(err_code);
}
/**@brief Function for initializing the BLE stack.
*
* @details Initializes the SoftDevice and the BLE event interrupt.
*/
static void ble_stack_init(void)
{
ret_code_t err_code;
err_code = nrf_sdh_enable_request();
APP_ERROR_CHECK(err_code);
// Configure the BLE stack using the default settings.
// Fetch the start address of the application RAM.
uint32_t ram_start = 0;
err_code = nrf_sdh_ble_default_cfg_set(APP_BLE_CONN_CFG_TAG, &ram_start);
APP_ERROR_CHECK(err_code);
// Enable BLE stack.
err_code = nrf_sdh_ble_enable(&ram_start);
APP_ERROR_CHECK(err_code);
}
/**@brief Function for initializing logging. */
static void log_init(void)
{
ret_code_t err_code = NRF_LOG_INIT(NULL);
APP_ERROR_CHECK(err_code);
NRF_LOG_DEFAULT_BACKENDS_INIT();
}
/**@brief Function for initializing LEDs. */
static void leds_init(void)
{
ret_code_t err_code = bsp_init(BSP_INIT_LEDS, NULL);
APP_ERROR_CHECK(err_code);
}
/**@brief Function for initializing timers. */
static void timers_init(void)
{
ret_code_t err_code = app_timer_init();
APP_ERROR_CHECK(err_code);
}
/**@brief Function for initializing power management.
*/
static void power_management_init(void)
{
ret_code_t err_code;
err_code = nrf_pwr_mgmt_init();
APP_ERROR_CHECK(err_code);
}
/**@brief Function for handling the idle state (main loop).
*
* @details If there is no pending log operation, then sleep until next the next event occurs.
*/
static void idle_state_handle(void)
{
if (NRF_LOG_PROCESS() == false)
{
nrf_pwr_mgmt_run();
}
}
///////////////////////////////////////////////////////////////////////////////////
static void advertising_mod(int count, int T1)
{
uint32_t err_code;
ble_advdata_t advdata;
uint8_t flags = BLE_GAP_ADV_FLAG_BR_EDR_NOT_SUPPORTED;
ble_advdata_manuf_data_t manuf_specific_data;
m_beacon_info[0]=(unsigned char) count;//This is where the data gets updated
m_beacon_info[1]=(unsigned char) T1;//This is where the data gets updated
manuf_specific_data.company_identifier = APP_COMPANY_IDENTIFIER;
manuf_specific_data.data.p_data = (uint8_t *) m_beacon_info;
manuf_specific_data.data.size = APP_BEACON_INFO_LENGTH;
// Build and set advertising data.
memset(&advdata, 0, sizeof(advdata));
advdata.name_type = BLE_ADVDATA_NO_NAME;
advdata.flags = flags;
advdata.p_manuf_specific_data = &manuf_specific_data;
// Initialize advertising parameters (used when starting advertising).
memset(&m_adv_params, 0, sizeof(m_adv_params));
m_adv_params.properties.type = BLE_GAP_ADV_TYPE_NONCONNECTABLE_NONSCANNABLE_UNDIRECTED;
m_adv_params.p_peer_addr = NULL; // Undirected advertisement.
m_adv_params.filter_policy = BLE_GAP_ADV_FP_ANY;
m_adv_params.interval = NON_CONNECTABLE_ADV_INTERVAL;
m_adv_params.duration = 0; // Never time out.
err_code = ble_advdata_encode(&advdata, m_adv_data.adv_data.p_data, &m_adv_data.adv_data.len);
APP_ERROR_CHECK(err_code);
err_code = sd_ble_gap_adv_stop(m_adv_handle);
APP_ERROR_CHECK(err_code);
err_code = sd_ble_gap_adv_set_configure(&m_adv_handle, &m_adv_data, &m_adv_params);
APP_ERROR_CHECK(err_code);
err_code = sd_ble_gap_adv_start(m_adv_handle, APP_BLE_CONN_CFG_TAG);
APP_ERROR_CHECK(err_code);
}
/////////////////////////////////////////////////////////////////////////
void process_data(uint8_t * st,uint8_t length)
{
char s[20];
uint16_t d;
if (length==32)
{
s[0]=st[3];
s[1]=st[4];
s[2]=st[5];
s[3]=st[6];
s[4]=0;
d=atoi(s);
}
}
/////////////////////////////////////////////////////////////////////////
void uart_event_handle(app_uart_evt_t * p_event)
{
static uint8_t data_array[250];
static uint8_t index = 0;
uint32_t err_code;
switch (p_event->evt_type)
{
case APP_UART_DATA_READY:
UNUSED_VARIABLE(app_uart_get(&data_array[index]));
index++;
if ((data_array[index - 1] == '\n') ||
(index >= 250))
{
if (index > 1)
{
data_array[index-1]=0; //Terminate the string
NRF_LOG_DEBUG("Decode Packet");
NRF_LOG_HEXDUMP_DEBUG(data_array, index);
T1_Data = (((data_array[5]) &0xFF) << 8 |((data_array[6]) &0xFF));//Does not run
//T1_Data = data_array[4];
//printf("T1 data is: %d",T1_Data);
printf("\r T1 data is:%d\r\n",T1_Data);
printf("\r Data received is: %.*s\r\n",sizeof data_array,data_array);//This line to print data
//process_data(data_array,index);
/* do
{
uint16_t length = (uint16_t)index;
err_code = ble_nus_data_send(&m_nus, data_array, &length, m_conn_handle);
if ((err_code != NRF_ERROR_INVALID_STATE) &&
(err_code != NRF_ERROR_RESOURCES) &&
(err_code != NRF_ERROR_NOT_FOUND))
{
APP_ERROR_CHECK(err_code);
}
} while (err_code == NRF_ERROR_RESOURCES);*/
}
index = 0;
}
break;
case APP_UART_COMMUNICATION_ERROR:
APP_ERROR_HANDLER(p_event->data.error_communication);
break;
case APP_UART_FIFO_ERROR:
APP_ERROR_HANDLER(p_event->data.error_code);
break;
default:
break;
}
}
/////////////////////////////////////////////////////////////////////////
#define UART_RX_BUF_SIZE 256
#define UART_TX_BUF_SIZE 256
static void uart_init(void)
{
uint32_t err_code;
app_uart_comm_params_t const comm_params =
{
.rx_pin_no = RX_PIN_NUMBER,
.tx_pin_no = TX_PIN_NUMBER,
.rts_pin_no = RTS_PIN_NUMBER,
.cts_pin_no = CTS_PIN_NUMBER,
.flow_control = APP_UART_FLOW_CONTROL_DISABLED,
.use_parity = false,
//#if defined (UART_PRESENT)
// .baud_rate = NRF_UART_BAUDRATE_115200
//#else
.baud_rate = NRF_UARTE_BAUDRATE_115200
//#endif
};
APP_UART_FIFO_INIT(&comm_params,
UART_RX_BUF_SIZE,
UART_TX_BUF_SIZE,
uart_event_handle,
APP_IRQ_PRIORITY_LOWEST,
err_code);
APP_ERROR_CHECK(err_code);
return(false);
}
//////////////////////////////////////////////////////////////////////////////////////////
bool got_new_data(void)
{
return(false);
}
/**
* @brief Function for application main entry.
*/
int main(void)
{
// Initialize.
uint8_t counter=0;
ret_code_t ret;
log_init();
timers_init();
leds_init();
power_management_init();
ble_stack_init();
advertising_init();
uart_init();
//Serial port init
//ret = nrf_serial_init(&serial0_uarte, &m_uarte0_drv_config, &serial0_config);
//APP_ERROR_CHECK(ret);
//static char tx_message[] = "Hello nrf_serial!\n\r";
/*ret = nrf_serial_write(&serial0_uarte,
tx_message,
strlen(tx_message),
NULL,
NRF_SERIAL_MAX_TIMEOUT);
(void)nrf_serial_flush(&serial0_uarte, 0);*/
// Start execution.
NRF_LOG_INFO("Data Beacon");
advertising_start();
// Enter main loop.
for (;; )
{
idle_state_handle();
//if (got_new_data())
//{
nrf_delay_ms(1000);
counter++;
NRF_LOG_INFO("Count %d",counter);
printf("T1 data is: %d",T1_Data);
advertising_mod(counter,T1_Data);
//advertising_mod(counter);
//}
}
}
/**
* @}
*/
