Hi There,
I am trying to build an application that uses UART 0 (for debugging) and UART 1 (to read data over from a separate hardware). Simple objective is to send "Hello nrf_serial" on both UART and receive them at the other end. My code is given below and have attached it too. The issue that I am facing right now is, when I enable both UART, no data is received on both.
However, when only UART1 is enabled, I could receive data on UART 1. I enable and disable UART 0 and UART 1 using macros
Am I doing something wrong here?
Any help / pointer will be highly appreciated.
NOTE: I am using
nrf5_SDK_v15.0.0 and evaluation board with PCA10056.
Attached is main.c and sdk_config.h
Thanks,
Amol
//#define UART_0 1 #define UART_1 1
Full Code
#include <stdint.h>
#include <stdbool.h>
#include <stddef.h>
#include "nrf.h"
#include "nrf_drv_clock.h"
#include "nrf_gpio.h"
#include "nrf_delay.h"
#include "nrf_log.h"
#include "nrf_log_ctrl.h"
#include "nrf_drv_power.h"
#include "nrf_serial.h"
#include "app_timer.h"
#include "app_error.h"
#include "app_util.h"
#include "boards.h"
/** @file
* @defgroup nrf_serial_example main.c
* @{
* @ingroup nrf_serial_example
* @brief Example of @ref nrf_serial usage. Simple loopback.
*
*/
#define OP_QUEUES_SIZE 3
#define APP_TIMER_PRESCALER NRF_SERIAL_APP_TIMER_PRESCALER
static void sleep_handler(void)
{
__WFE();
__SEV();
__WFE();
}
//#define UART_0 1
#define UART_1 1
#ifdef UART_0
NRF_SERIAL_DRV_UART_CONFIG_DEF(m_uart0_drv_config,
RX_PIN_NUMBER, TX_PIN_NUMBER,
RTS_PIN_NUMBER, CTS_PIN_NUMBER,
//SER_APP_RX_PIN, SER_APP_TX_PIN,
//SER_APP_RTS_PIN, SER_APP_CTS_PIN,
NRF_UART_HWFC_DISABLED, NRF_UART_PARITY_EXCLUDED,
NRF_UART_BAUDRATE_115200,
UART_DEFAULT_CONFIG_IRQ_PRIORITY);
#endif //UART_0
NRF_SERIAL_DRV_UART_CONFIG_DEF(m_uart1_drv_config,
//RX_PIN_NUMBER, TX_PIN_NUMBER,
//RTS_PIN_NUMBER, CTS_PIN_NUMBER,
SER_APP_RX_PIN, SER_APP_TX_PIN,
SER_APP_RTS_PIN, SER_APP_CTS_PIN,
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
#ifdef UART_0
NRF_SERIAL_QUEUES_DEF(serial_queues, SERIAL_FIFO_TX_SIZE, SERIAL_FIFO_RX_SIZE);
#endif //UART_0
NRF_SERIAL_QUEUES_DEF(serial_queues1, SERIAL_FIFO_TX_SIZE, SERIAL_FIFO_RX_SIZE);
#define SERIAL_BUFF_TX_SIZE 1
#define SERIAL_BUFF_RX_SIZE 1
#ifdef UART_0
NRF_SERIAL_BUFFERS_DEF(serial_buffs, SERIAL_BUFF_TX_SIZE, SERIAL_BUFF_RX_SIZE);
#endif // UART_0
NRF_SERIAL_BUFFERS_DEF(serial_buffs1, SERIAL_BUFF_TX_SIZE, SERIAL_BUFF_RX_SIZE);
#ifdef UART_0
NRF_SERIAL_CONFIG_DEF(serial_config, NRF_SERIAL_MODE_DMA,
&serial_queues, &serial_buffs, NULL, sleep_handler);
#endif // UART_0
NRF_SERIAL_CONFIG_DEF(serial_config1, NRF_SERIAL_MODE_DMA,
&serial_queues1, &serial_buffs1, NULL, sleep_handler);
NRF_SERIAL_UART_DEF(serial_uart1, 1);
#ifdef UART_0
NRF_SERIAL_UART_DEF(serial_uart, 0);
#endif //UART_0
int main(void)
{
ret_code_t ret;
ret = nrf_drv_clock_init();
APP_ERROR_CHECK(ret);
ret = nrf_drv_power_init(NULL);
APP_ERROR_CHECK(ret);
nrf_drv_clock_lfclk_request(NULL);
ret = app_timer_init();
APP_ERROR_CHECK(ret);
// Initialize LEDs and buttons.
bsp_board_init(BSP_INIT_LEDS | BSP_INIT_BUTTONS);
#ifdef UART_0
ret = nrf_serial_init(&serial_uart, &m_uart0_drv_config, &serial_config);
APP_ERROR_CHECK(ret);
static char tx_message[] = "Hello nrf_serial!\n\r";
ret = nrf_serial_write(&serial_uart,
tx_message,
strlen(tx_message),
NULL,
NRF_SERIAL_MAX_TIMEOUT);
APP_ERROR_CHECK(ret);
#if 0
while (true)
{
char c;
ret = nrf_serial_read(&serial_uart, &c, sizeof(c), NULL, 1000);
if (ret != NRF_SUCCESS)
{
continue;
}
(void)nrf_serial_write(&serial_uart, &c, sizeof(c), NULL, 0);
(void)nrf_serial_flush(&serial_uart, 0);
}
#endif
#endif // UART_0
#ifdef UART_1
ret = nrf_serial_init(&serial_uart1, &m_uart1_drv_config, &serial_config1);
APP_ERROR_CHECK(ret);
static char tx_message1[] = "Hello nrf_serial U1!\n\r";
ret = nrf_serial_write(&serial_uart1,
tx_message1,
strlen(tx_message1),
NULL,
NRF_SERIAL_MAX_TIMEOUT);
APP_ERROR_CHECK(ret);
while (true)
{
char c;
ret = nrf_serial_read(&serial_uart1, &c, sizeof(c), NULL, 1000);
if (ret != NRF_SUCCESS)
{
continue;
}
(void)nrf_serial_write(&serial_uart1, &c, sizeof(c), NULL, 0);
(void)nrf_serial_flush(&serial_uart1, 0);
}
#endif // UART_1
}
/**
* Copyright (c) 2016 - 2018, Nordic Semiconductor ASA
*
* 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, except as embedded into a Nordic
* Semiconductor ASA integrated circuit in a product or a software update for
* such product, 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 Nordic Semiconductor ASA nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* 4. This software, with or without modification, must only be used with a
* Nordic Semiconductor ASA integrated circuit.
*
* 5. Any software provided in binary form under this license must not be reverse
* engineered, decompiled, modified and/or disassembled.
*
* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA 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 <stdint.h>
#include <stdbool.h>
#include <stddef.h>
#include "nrf.h"
#include "nrf_drv_clock.h"
#include "nrf_gpio.h"
#include "nrf_delay.h"
#include "nrf_log.h"
#include "nrf_log_ctrl.h"
#include "nrf_drv_power.h"
#include "nrf_serial.h"
#include "app_timer.h"
#include "app_error.h"
#include "app_util.h"
#include "boards.h"
/** @file
* @defgroup nrf_serial_example main.c
* @{
* @ingroup nrf_serial_example
* @brief Example of @ref nrf_serial usage. Simple loopback.
*
*/
#define OP_QUEUES_SIZE 3
#define APP_TIMER_PRESCALER NRF_SERIAL_APP_TIMER_PRESCALER
static void sleep_handler(void)
{
__WFE();
__SEV();
__WFE();
}
//#define UART_0 1
#define UART_1 1
#ifdef UART_0
NRF_SERIAL_DRV_UART_CONFIG_DEF(m_uart0_drv_config,
RX_PIN_NUMBER, TX_PIN_NUMBER,
RTS_PIN_NUMBER, CTS_PIN_NUMBER,
//SER_APP_RX_PIN, SER_APP_TX_PIN,
//SER_APP_RTS_PIN, SER_APP_CTS_PIN,
NRF_UART_HWFC_DISABLED, NRF_UART_PARITY_EXCLUDED,
NRF_UART_BAUDRATE_115200,
UART_DEFAULT_CONFIG_IRQ_PRIORITY);
#endif //UART_0
NRF_SERIAL_DRV_UART_CONFIG_DEF(m_uart1_drv_config,
//RX_PIN_NUMBER, TX_PIN_NUMBER,
//RTS_PIN_NUMBER, CTS_PIN_NUMBER,
SER_APP_RX_PIN, SER_APP_TX_PIN,
SER_APP_RTS_PIN, SER_APP_CTS_PIN,
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
#ifdef UART_0
NRF_SERIAL_QUEUES_DEF(serial_queues, SERIAL_FIFO_TX_SIZE, SERIAL_FIFO_RX_SIZE);
#endif //UART_0
NRF_SERIAL_QUEUES_DEF(serial_queues1, SERIAL_FIFO_TX_SIZE, SERIAL_FIFO_RX_SIZE);
#define SERIAL_BUFF_TX_SIZE 1
#define SERIAL_BUFF_RX_SIZE 1
#ifdef UART_0
NRF_SERIAL_BUFFERS_DEF(serial_buffs, SERIAL_BUFF_TX_SIZE, SERIAL_BUFF_RX_SIZE);
#endif // UART_0
NRF_SERIAL_BUFFERS_DEF(serial_buffs1, SERIAL_BUFF_TX_SIZE, SERIAL_BUFF_RX_SIZE);
#ifdef UART_0
NRF_SERIAL_CONFIG_DEF(serial_config, NRF_SERIAL_MODE_DMA,
&serial_queues, &serial_buffs, NULL, sleep_handler);
#endif // UART_0
NRF_SERIAL_CONFIG_DEF(serial_config1, NRF_SERIAL_MODE_DMA,
&serial_queues1, &serial_buffs1, NULL, sleep_handler);
NRF_SERIAL_UART_DEF(serial_uart1, 1);
#ifdef UART_0
NRF_SERIAL_UART_DEF(serial_uart, 0);
#endif //UART_0
int main(void)
{
ret_code_t ret;
ret = nrf_drv_clock_init();
APP_ERROR_CHECK(ret);
ret = nrf_drv_power_init(NULL);
APP_ERROR_CHECK(ret);
nrf_drv_clock_lfclk_request(NULL);
ret = app_timer_init();
APP_ERROR_CHECK(ret);
// Initialize LEDs and buttons.
bsp_board_init(BSP_INIT_LEDS | BSP_INIT_BUTTONS);
#ifdef UART_0
ret = nrf_serial_init(&serial_uart, &m_uart0_drv_config, &serial_config);
APP_ERROR_CHECK(ret);
static char tx_message[] = "Hello nrf_serial!\n\r";
ret = nrf_serial_write(&serial_uart,
tx_message,
strlen(tx_message),
NULL,
NRF_SERIAL_MAX_TIMEOUT);
APP_ERROR_CHECK(ret);
#if 0
while (true)
{
char c;
ret = nrf_serial_read(&serial_uart, &c, sizeof(c), NULL, 1000);
if (ret != NRF_SUCCESS)
{
continue;
}
(void)nrf_serial_write(&serial_uart, &c, sizeof(c), NULL, 0);
(void)nrf_serial_flush(&serial_uart, 0);
}
#endif
#endif // UART_0
#ifdef UART_1
ret = nrf_serial_init(&serial_uart1, &m_uart1_drv_config, &serial_config1);
APP_ERROR_CHECK(ret);
static char tx_message1[] = "Hello nrf_serial U1!\n\r";
ret = nrf_serial_write(&serial_uart1,
tx_message1,
strlen(tx_message1),
NULL,
NRF_SERIAL_MAX_TIMEOUT);
APP_ERROR_CHECK(ret);
while (true)
{
char c;
ret = nrf_serial_read(&serial_uart1, &c, sizeof(c), NULL, 1000);
if (ret != NRF_SUCCESS)
{
continue;
}
(void)nrf_serial_write(&serial_uart1, &c, sizeof(c), NULL, 0);
(void)nrf_serial_flush(&serial_uart1, 0);
}
#endif // UART_1
}
/** @} */
