83 lines
2.3 KiB
C
83 lines
2.3 KiB
C
/*
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* Copyright (c) 2014 Travis Geiselbrecht
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files
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* (the "Software"), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <stdarg.h>
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#include <reg.h>
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#include <debug.h>
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#include <stdio.h>
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#include <lib/cbuf.h>
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#include <kernel/thread.h>
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#include <platform/debug.h>
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#include <arch/ops.h>
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#include <arch/arm/cm.h>
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#include <target/debugconfig.h>
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static cbuf_t debug_rx_buf;
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void lpc_debug_early_init(void)
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{
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/* Use main clock rate as base for UART baud rate divider */
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Chip_Clock_SetUARTBaseClockRate(Chip_Clock_GetMainClockRate(), false);
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/* Setup UART */
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Chip_UART_Init(DEBUG_UART);
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Chip_UART_ConfigData(DEBUG_UART, UART_CFG_DATALEN_8 | UART_CFG_PARITY_NONE | UART_CFG_STOPLEN_1);
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Chip_UART_SetBaud(DEBUG_UART, 115200);
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Chip_UART_Enable(DEBUG_UART);
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Chip_UART_TXEnable(DEBUG_UART);
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}
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void lpc_debug_init(void)
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{
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cbuf_initialize(&debug_rx_buf, 16);
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}
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void platform_dputc(char c)
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{
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if (c == '\n') {
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_dputc('\r');
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}
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Chip_UART_SendBlocking(DEBUG_UART, &c, 1);
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}
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int platform_dgetc(char *c, bool wait)
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{
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//return cbuf_read_char(&debug_rx_buf, c, wait);
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uint8_t data;
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if (Chip_UART_Read(DEBUG_UART, &data, 1) == 1) {
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*c = data;
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return 1;
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}
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return -1;
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}
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void platform_halt(void)
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{
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dprintf(ALWAYS, "HALT: spinning forever...\n");
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for (;;);
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}
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