154 lines
5 KiB
C
154 lines
5 KiB
C
/* Cpu0_Main.c
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*
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* Copyright (C) 2006-2023 wolfSSL Inc.
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*
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* This file is part of wolfSSL.
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*
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* wolfSSL is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* wolfSSL is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
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*/
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/* Infineon includes */
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#include "Ifx_Types.h"
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#include "IfxCpu.h"
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#include "IfxScuWdt.h"
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#include "IfxAsclin_Asc.h"
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#include "IfxCpu_Irq.h"
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#include "IfxPort.h"
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#include "SysSe/Bsp/Bsp.h"
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/* For mapping stdio printf */
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#include <stdio.h>
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#include <string.h>
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/* used to wait for CPU sync event */
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IFX_ALIGN(4) IfxCpu_syncEvent g_cpuSyncEvent = 0;
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#define SERIAL_BAUDRATE 115200 /* Baud rate in bit/s */
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#define SERIAL_PIN_RX IfxAsclin0_RXA_P14_1_IN /* RX pin of the board */
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#define SERIAL_PIN_TX IfxAsclin0_TX_P14_0_OUT /* TX pin of the board */
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#define INTPRIO_ASCLIN0_TX 19 /* Priority of the ISR */
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#define ASC_TX_BUFFER_SIZE 128 /* Definition of the buffer size */
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/* Declaration of the ASC handle */
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static IfxAsclin_Asc g_asc;
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/* Declaration of the FIFOs parameters:
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* The transfer buffers allocate memory for the data itself and for FIFO runtime
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* variables. 8 more bytes have to be added to ensure a proper circular buffer
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* handling independent from the address to which the buffers have been located.
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*/
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static uint8 g_ascTxBuffer[ASC_TX_BUFFER_SIZE + sizeof(Ifx_Fifo) + 8];
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/******************************************************************************/
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/*----Function Implementations------------------------------------------------*/
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/******************************************************************************/
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/* Re-target the C library printf function to the asc lin. */
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int fputc(int ch, FILE *f)
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{
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Ifx_SizeT count;
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/* convert to CRLF */
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if (ch == (int)'\n') {
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int chcr = (int)'\r';
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count = 1;
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IfxAsclin_Asc_write(&g_asc, &chcr, &count, TIME_INFINITE);
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}
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count = 1;
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IfxAsclin_Asc_write(&g_asc, &ch, &count, TIME_INFINITE);
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return ch;
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}
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/* Add the Interrupt Service Routine */
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IFX_INTERRUPT(asclin0_Tx_ISR, 0, INTPRIO_ASCLIN0_TX);
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void asclin0_Tx_ISR(void)
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{
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IfxAsclin_Asc_isrTransmit(&g_asc);
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}
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static void init_UART(void)
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{
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IfxAsclin_Asc_Config ascConfig;
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IfxCpu_Irq_installInterruptHandler(asclin0_Tx_ISR, INTPRIO_ASCLIN0_TX);
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/* Port pins configuration */
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const IfxAsclin_Asc_Pins pins = {
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NULL_PTR, IfxPort_InputMode_pullUp, /* CTS pin not used */
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&SERIAL_PIN_RX, IfxPort_InputMode_pullUp, /* RX pin */
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NULL_PTR, IfxPort_OutputMode_pushPull, /* RTS pin not used */
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&SERIAL_PIN_TX, IfxPort_OutputMode_pushPull, /* TX pin */
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IfxPort_PadDriver_cmosAutomotiveSpeed1
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};
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/* Initialize an instance of IfxAsclin_Asc_Config with default values */
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IfxAsclin_Asc_initModuleConfig(&ascConfig, SERIAL_PIN_TX.module);
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/* Set the desired baud rate */
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ascConfig.baudrate.baudrate = SERIAL_BAUDRATE;
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/* ISR priorities and interrupt target */
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ascConfig.interrupt.txPriority = INTPRIO_ASCLIN0_TX;
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ascConfig.interrupt.typeOfService = IfxCpu_Irq_getTos(IfxCpu_getCoreIndex());
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/* FIFO configuration */
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ascConfig.txBuffer = &g_ascTxBuffer;
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ascConfig.txBufferSize = ASC_TX_BUFFER_SIZE;
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ascConfig.pins = &pins;
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/* Initialize module with above parameters */
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IfxAsclin_Asc_initModule(&g_asc, &ascConfig);
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/* Turn off buffers, so I/O occurs immediately */
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setvbuf(stdin, NULL, _IONBF, 0);
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setvbuf(stdout, NULL, _IONBF, 0);
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setvbuf(stderr, NULL, _IONBF, 0);
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}
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int send_UART(const char* str)
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{
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Ifx_SizeT count = (Ifx_SizeT)strlen(str);
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IfxAsclin_Asc_write(&g_asc, str, &count, TIME_INFINITE);
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return (int)count;
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}
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void core0_main(void)
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{
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IfxCpu_enableInterrupts();
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/* !!WATCHDOG0 AND SAFETY WATCHDOG ARE DISABLED HERE!!
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* Enable the watchdogs and service them periodically if it is required
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*/
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IfxScuWdt_disableCpuWatchdog(IfxScuWdt_getCpuWatchdogPassword());
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IfxScuWdt_disableSafetyWatchdog(IfxScuWdt_getSafetyWatchdogPassword());
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/* Wait for CPU sync event */
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IfxCpu_emitEvent(&g_cpuSyncEvent);
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IfxCpu_waitEvent(&g_cpuSyncEvent, 1);
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/* Initialize the UART to board VCOM */
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init_UART();
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/* bare metal loop */
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while(1)
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{
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extern void run_wolf_tests(void);
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run_wolf_tests();
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/* wait 5 seconds */
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waitTime(IfxStm_getTicksFromMilliseconds(BSP_DEFAULT_TIMER, 5 * 1000));
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} /* while */
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}
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