Hi, I have added g_canfd0 CANFD Driver in stacks. I need to initialize CANFD in hal_entry.c file.
Kindly provide some reference for RZV2L.
#include "hal_data.h"
/***********************************************************************************************************************
* Includes
**********************************************************************************************************************/
#include "r_canfd.h"
#include "r_can_api.h"
#include "r_canfd_cfg.h"
FSP_CPP_HEADER
void R_BSP_WarmStart(bsp_warm_start_event_t event);
FSP_CPP_FOOTER
/****************************************************************************************
* ADDED
*****************************************************************************************/
#define CAN_EXAMPLE_ID (0x20)
can_frame_t g_can0_tx_frame;
/*******************************************************************************************************************//**
* main() is generated by the Configuration editor and is used to generate threads if an RTOS is used.
* This function is called by main() when no RTOS is used.
**********************************************************************************************************************/
void hal_entry(void)
{
/* TODO: add your own code here */
volatile canfd_error_t g_err_status = (canfd_error_t) 0;
void canfd_callback (can_callback_args_t * p_args)
{
switch (p_args->event)
{
case CAN_EVENT_RX_COMPLETE: /* Receive complete event. */
{
/* Read received frame */
/*memcpy(&g_can0_rx_frame, &p_args->frame, sizeof(can_frame_t));
/* Handle event */
break;
}
case CAN_EVENT_TX_COMPLETE: /* Transmit complete event. */
{
/* Handle event */
break;
}
case CAN_EVENT_ERR_GLOBAL: /* Global error. */
case CAN_EVENT_ERR_CHANNEL: /* Channel error. */
{
/* Get error status */
g_err_status = (canfd_error_t) p_args->error; /* Check error code with canfd_error_t. */
/* Handle event */
break;
}
default:
{
break;
}
}
}
R_BSP_MODULE_RSTON(FSP_IP_CANFD, 0);
fsp_err_t err;
/* Initialize the CAN module */
err = R_CANFD_Open(&g_canfd0_ctrl, &g_canfd0_cfg);
/* Handle any errors. This function should be defined by the user. */
assert(FSP_SUCCESS == err);
/* Switch to external loopback mode */
err = R_CANFD_ModeTransition(&g_canfd0_ctrl, CAN_OPERATION_MODE_NORMAL, CAN_TEST_MODE_LOOPBACK_INTERNAL);
//err = R_CANFD_ModeTransition(&g_canfd0_ctrl, CAN_OPERATION_MODE_NORMAL, CAN_TEST_MODE_LOOPBACK_EXTERNAL);
assert(FSP_SUCCESS == err);
/* Setup frame to write to CAN ID 0x20 */
g_can0_tx_frame.id = CAN_EXAMPLE_ID;
g_can0_tx_frame.id_mode = CAN_ID_MODE_STANDARD;
g_can0_tx_frame.type = CAN_FRAME_TYPE_DATA;
g_can0_tx_frame.data_length_code = 8;
g_can0_tx_frame.options = 0;
/* Write some data to the transmit frame */
for (uint32_t i = 0; i < 8; i++)
{
g_can0_tx_frame.data[i] = (uint8_t) i;
}
/* Send data on the bus */
err = R_CANFD_Write(&g_canfd0_ctrl, CANFD_TX_MB_0, &g_can0_tx_frame);
assert(FSP_SUCCESS == err);
/* Wait for a transmit callback event */
while (1)
{
vTaskDelay (1);
}
;
}
/*******************************************************************************************************************//**
* This function is called at various points during the startup process. This implementation uses the event that is
* called right before main() to set up the pins.
*
* @param[in] event Where at in the start up process the code is currently at
**********************************************************************************************************************/
void R_BSP_WarmStart(bsp_warm_start_event_t event)
{
if (BSP_WARM_START_RESET == event)
{
}
if (BSP_WARM_START_POST_C == event)
{
/* C runtime environment and system clocks are setup. */
/* Configure pins. */
R_IOPORT_Open (&g_ioport_ctrl, &g_bsp_pin_cfg);
}
}I want to just transmit data.
Thank you