95 lines
2.3 KiB
C
95 lines
2.3 KiB
C
/*
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* Copyright 2012 Jared Boone
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* Copyright 2013 Benjamin Vernoux
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*
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* This file is part of HackRF.
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*
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* This program 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, or (at your option)
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* any later version.
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*
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* This program 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; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#include "usb_api_cpld.h"
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#include <libopencm3/lpc43xx/gpio.h>
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#include <hackrf_core.h>
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#include <cpld_jtag.h>
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#include <usb_queue.h>
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#include "usb_endpoint.h"
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#include <stddef.h>
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#include <stdint.h>
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#include <stdbool.h>
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volatile bool start_cpld_update = false;
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uint8_t cpld_xsvf_buffer[512];
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volatile bool cpld_wait = false;
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static void cpld_buffer_refilled(void* user_data, unsigned int length)
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{
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cpld_wait = false;
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}
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static void refill_cpld_buffer(void)
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{
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cpld_wait = true;
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usb_transfer_schedule(
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&usb_endpoint_bulk_out,
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cpld_xsvf_buffer,
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sizeof(cpld_xsvf_buffer),
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cpld_buffer_refilled,
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NULL
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);
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// Wait until transfer finishes
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while (cpld_wait);
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}
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void cpld_update(void)
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{
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#define WAIT_LOOP_DELAY (6000000)
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#define ALL_LEDS (PIN_LED1|PIN_LED2|PIN_LED3)
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int i;
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int error;
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usb_queue_flush_endpoint(&usb_endpoint_bulk_in);
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usb_queue_flush_endpoint(&usb_endpoint_bulk_out);
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refill_cpld_buffer();
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error = cpld_jtag_program(sizeof(cpld_xsvf_buffer),
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cpld_xsvf_buffer,
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refill_cpld_buffer);
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if(error == 0)
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{
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/* blink LED1, LED2, and LED3 on success */
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while (1)
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{
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gpio_set(PORT_LED1_3, ALL_LEDS); /* LEDs on */
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for (i = 0; i < WAIT_LOOP_DELAY; i++) /* Wait a bit. */
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__asm__("nop");
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gpio_clear(PORT_LED1_3, ALL_LEDS); /* LEDs off */
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for (i = 0; i < WAIT_LOOP_DELAY; i++) /* Wait a bit. */
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__asm__("nop");
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}
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}else
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{
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/* LED3 (Red) steady on error */
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gpio_set(PORT_LED1_3, PIN_LED3); /* LEDs on */
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while (1);
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}
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}
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