159 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			159 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* 
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 * The MIT License (MIT)
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 *
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 * Copyright (c) 2018, hathach (tinyusb.org)
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a copy
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 * of this software and associated documentation files (the "Software"), to deal
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 * in the Software without restriction, including without limitation the rights
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 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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 * copies of the Software, and to permit persons to whom the Software is
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 * furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included in
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 * 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, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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 * THE SOFTWARE.
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 *
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 */
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#include "board.h"
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#if 0
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#define LED_PHASE_MAX   8
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static struct
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{
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  uint32_t phase[LED_PHASE_MAX];
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  uint8_t phase_count;
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  bool led_state;
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  uint8_t current_phase;
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  uint32_t current_ms;
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}led_pattern;
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void board_led_pattern(uint32_t const phase_ms[], uint8_t count)
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{
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  memcpy(led_pattern.phase, phase_ms, 4*count);
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  led_pattern.phase_count = count;
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  // reset with 1st phase is on
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  led_pattern.current_ms = board_millis();
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  led_pattern.current_phase = 0;
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  led_pattern.led_state = true;
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  board_led_on();
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}
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void board_led_task(void)
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{
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  if ( led_pattern.phase_count == 0 ) return;
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  uint32_t const duration = led_pattern.phase[led_pattern.current_phase];
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  // return if not enough time
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  if (board_millis() - led_pattern.current_ms < duration) return;
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  led_pattern.led_state = !led_pattern.led_state;
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  board_led_write(led_pattern.led_state);
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  led_pattern.current_ms += duration;
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  led_pattern.current_phase++;
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  if (led_pattern.current_phase == led_pattern.phase_count)
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  {
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    led_pattern.current_phase = 0;
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    led_pattern.led_state = true;
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    board_led_on();
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  }
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}
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#endif
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//--------------------------------------------------------------------+
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// newlib read()/write() retarget
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//--------------------------------------------------------------------+
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#if defined(__MSP430__) || defined(__RX__)
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  #define sys_write   write
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  #define sys_read    read
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#else
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  #define sys_write   _write
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  #define sys_read    _read
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#endif
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#if defined(LOGGER_RTT)
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// Logging with RTT
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// If using SES IDE, use the Syscalls/SEGGER_RTT_Syscalls_SES.c instead
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#if !(defined __SES_ARM) && !(defined __SES_RISCV) && !(defined __CROSSWORKS_ARM)
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#include "SEGGER_RTT.h"
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TU_ATTR_USED int sys_write (int fhdl, const void *buf, size_t count)
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{
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  (void) fhdl;
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  SEGGER_RTT_Write(0, (const char*) buf, (int) count);
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  return count;
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}
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TU_ATTR_USED int sys_read (int fhdl, char *buf, size_t count)
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{
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  (void) fhdl;
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  int rd = (int) SEGGER_RTT_Read(0, buf, count);
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  return (rd > 0) ? rd : -1;
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}
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#endif
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#elif defined(LOGGER_SWO)
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// Logging with SWO for ARM Cortex
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#include "board_mcu.h"
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TU_ATTR_USED int sys_write (int fhdl, const void *buf, size_t count)
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{
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  (void) fhdl;
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  uint8_t const* buf8 = (uint8_t const*) buf;
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  for(size_t i=0; i<count; i++)
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  {
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    ITM_SendChar(buf8[i]);
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  }
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  return count;
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}
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TU_ATTR_USED int sys_read (int fhdl, char *buf, size_t count)
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{
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  (void) fhdl;
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  (void) buf;
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  (void) count;
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  return 0;
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}
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#else
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// Default logging with on-board UART
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TU_ATTR_USED int sys_write (int fhdl, const void *buf, size_t count)
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{
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  (void) fhdl;
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  return board_uart_write(buf, (int) count);
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}
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TU_ATTR_USED int sys_read (int fhdl, char *buf, size_t count)
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{
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  (void) fhdl;
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  int rd = board_uart_read((uint8_t*) buf, (int) count);
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  return (rd > 0) ? rd : -1;
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}
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#endif
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int board_getchar(void)
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{
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  char c;
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  return ( sys_read(0, &c, 1) > 0 ) ? (int) c : (-1);
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}
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