mirror of https://github.com/wolfSSL/wolfBoot.git
Removed SiFive demo app
Daniele Lacamera
parent
97a88ff76c
commit
aaa0d064bb
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@ -1,163 +1,32 @@
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/*
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* # sifive-welcome
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* (A simple welcome example which prints SiFive banner and uses board LEDs
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/* hifive1.c
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*
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* Copyright 2018 SiFive, Inc
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* Copyright (C) 2018 wolfSSL Inc.
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*
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* This file is part of wolfBoot.
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*
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* wolfBoot 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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* wolfBoot 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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/* SPDX-License-Identifier: Apache-2.0 */
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#include <stdio.h>
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#include <metal/cpu.h>
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#include <metal/led.h>
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#include <metal/button.h>
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#include <metal/switch.h>
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#define RTC_FREQ 32768
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struct metal_cpu *cpu0;
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struct metal_interrupt *cpu_intr, *tmr_intr;
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int tmr_id;
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volatile uint32_t timer_isr_flag;
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void display_banner (void) {
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printf("\n");
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printf("\n");
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printf(" SIFIVE, INC.\n");
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printf("\n");
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printf(" 5555555555555555555555555\n");
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printf(" 5555 5555\n");
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printf(" 5555 5555\n");
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printf(" 5555 5555\n");
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printf(" 5555 5555555555555555555555\n");
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printf(" 5555 555555555555555555555555\n");
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printf(" 5555 5555\n");
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printf(" 5555 5555\n");
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printf(" 5555 5555\n");
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printf(" 5555555555555555555555555555 55555\n");
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printf(" 55555 555555555 55555\n");
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printf(" 55555 55555 55555\n");
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printf(" 55555 5 55555\n");
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printf(" 55555 55555\n");
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printf(" 55555 55555\n");
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printf(" 55555 55555\n");
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printf(" 55555 55555\n");
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printf(" 55555 55555\n");
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printf(" 555555555\n");
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printf(" 55555\n");
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printf(" 5\n");
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printf("\n");
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printf("\n");
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printf(" Welcome to SiFive!\n");
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#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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#include "hal.h"
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#include "wolfboot/wolfboot.h"
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void main(void) {
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while(1)
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;
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}
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void timer_isr (int id, void *data) {
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// Disable Timer interrupt
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metal_interrupt_disable(tmr_intr, tmr_id);
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// Flag showing we hit timer isr
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timer_isr_flag = 1;
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}
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void wait_for_timer(struct metal_led *which_led) {
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// clear global timer isr flag
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timer_isr_flag = 0;
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// Turn on desired LED
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metal_led_on(which_led);
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// Set timer
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metal_cpu_set_mtimecmp(cpu0, metal_cpu_get_mtime(cpu0) + RTC_FREQ);
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// Enable Timer interrupt
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metal_interrupt_enable(tmr_intr, tmr_id);
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// wait till timer triggers and isr is hit
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while (timer_isr_flag == 0){};
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timer_isr_flag = 0;
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// Turn off this LED
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metal_led_off(which_led);
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}
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int main (void)
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{
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int rc, up_cnt, dn_cnt;
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struct metal_led *led0_red, *led0_green, *led0_blue;
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// This demo will toggle LEDs colors so we define them here
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led0_red = metal_led_get_rgb("LD0", "red");
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led0_green = metal_led_get_rgb("LD0", "green");
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led0_blue = metal_led_get_rgb("LD0", "blue");
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if ((led0_red == NULL) || (led0_green == NULL) || (led0_blue == NULL)) {
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printf("At least one of LEDs is null.\n");
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return 1;
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}
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// Enable each LED
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metal_led_enable(led0_red);
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metal_led_enable(led0_green);
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metal_led_enable(led0_blue);
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// All Off
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metal_led_off(led0_red);
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metal_led_off(led0_green);
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metal_led_off(led0_blue);
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// Lets get the CPU and and its interrupt
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cpu0 = metal_cpu_get(0);
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if (cpu0 == NULL) {
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printf("CPU null.\n");
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return 2;
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}
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cpu_intr = metal_cpu_interrupt_controller(cpu0);
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if (cpu_intr == NULL) {
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printf("CPU interrupt controller is null.\n");
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return 3;
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}
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metal_interrupt_init(cpu_intr);
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// display welcome banner
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display_banner();
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// Setup Timer and its interrupt so we can toggle LEDs on 1s cadence
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tmr_intr = metal_cpu_timer_interrupt_controller(cpu0);
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if (tmr_intr == NULL) {
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printf("TIMER interrupt controller is null.\n");
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return 4;
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}
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metal_interrupt_init(tmr_intr);
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tmr_id = metal_cpu_timer_get_interrupt_id(cpu0);
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rc = metal_interrupt_register_handler(tmr_intr, tmr_id, timer_isr, cpu0);
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if (rc < 0) {
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printf("TIMER interrupt handler registration failed\n");
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return (rc * -1);
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}
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// Lastly CPU interrupt
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if (metal_interrupt_enable(cpu_intr, 0) == -1) {
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printf("CPU interrupt enable failed\n");
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return 6;
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}
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// Red -> Green -> Blue, repeat
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while (1) {
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// Turn on RED
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wait_for_timer(led0_red);
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// Turn on Green
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wait_for_timer(led0_green);
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// Turn on Blue
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wait_for_timer(led0_blue);
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}
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// return
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return 0;
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}
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