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LibrePilot/flight/pios/stm32f4xx/pios_debug.c
Richard Flay (Hyper) a2d8544931 OP-931: adds -Wextra compiler option for the flight code, and makes the bazillion code changes required
to make the flight code compile again. Needs careful review, particularly all the fixes for the
signed vs unsigned comparisons.

+review OPReview-459
2013-05-05 16:32:24 +09:30

177 lines
4.8 KiB
C

/**
******************************************************************************
* @addtogroup PIOS PIOS Core hardware abstraction layer
* @{
* @defgroup PIOS_DEBUG Debugging Functions
* @brief Debugging functionality
* @{
*
* @file pios_debug.c
* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2013.
* @brief Debugging Functions
* @see The GNU Public License (GPL) Version 3
*
*****************************************************************************/
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "pios.h"
// Global variables
const char *PIOS_DEBUG_AssertMsg = "ASSERT FAILED";
#ifdef PIOS_ENABLE_DEBUG_PINS
static const struct pios_tim_channel * debug_channels;
static uint8_t debug_num_channels;
#endif /* PIOS_ENABLE_DEBUG_PINS */
/**
* Initialise Debug-features
*/
void PIOS_DEBUG_Init(__attribute__((unused)) const struct pios_tim_channel * channels, __attribute__((unused)) uint8_t num_channels)
{
#ifdef PIOS_ENABLE_DEBUG_PINS
PIOS_Assert(channels);
PIOS_Assert(num_channels);
/* Store away the GPIOs we've been given */
debug_channels = channels;
debug_num_channels = num_channels;
/* Configure the GPIOs we've been given */
for (uint8_t i = 0; i < num_channels; i++) {
const struct pios_tim_channel * chan = &channels[i];
// Initialise pins as standard output pins
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_StructInit(&GPIO_InitStructure);
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Pin = chan->pin.init.GPIO_Pin;
/* Initialize the GPIO */
GPIO_Init(chan->pin.gpio, &GPIO_InitStructure);
/* Set the pin low */
GPIO_WriteBit(chan->pin.gpio, chan->pin.init.GPIO_Pin, Bit_RESET);
}
#endif // PIOS_ENABLE_DEBUG_PINS
}
/**
* Set debug-pin high
* \param pin 0 for S1 output
*/
void PIOS_DEBUG_PinHigh(__attribute__((unused)) uint8_t pin)
{
#ifdef PIOS_ENABLE_DEBUG_PINS
if (!debug_channels || pin >= debug_num_channels) {
return;
}
const struct pios_tim_channel * chan = &debug_channels[pin];
GPIO_WriteBit(chan->pin.gpio, chan->pin.init.GPIO_Pin, Bit_SET);
#endif // PIOS_ENABLE_DEBUG_PINS
}
/**
* Set debug-pin low
* \param pin 0 for S1 output
*/
void PIOS_DEBUG_PinLow(__attribute__((unused)) uint8_t pin)
{
#ifdef PIOS_ENABLE_DEBUG_PINS
if (!debug_channels || pin >= debug_num_channels) {
return;
}
const struct pios_tim_channel * chan = &debug_channels[pin];
GPIO_WriteBit(chan->pin.gpio, chan->pin.init.GPIO_Pin, Bit_RESET);
#endif // PIOS_ENABLE_DEBUG_PINS
}
void PIOS_DEBUG_PinValue8Bit(__attribute__((unused)) uint8_t value)
{
#ifdef PIOS_ENABLE_DEBUG_PINS
if (!debug_channels) {
return;
}
#pragma message("This code is not portable and should be revised")
PIOS_Assert(0);
uint32_t bsrr_l = ( ((~value)&0x0F)<<(16+6) ) | ((value & 0x0F)<<6);
uint32_t bsrr_h = ( ((~value)&0xF0)<<(16+6-4) ) | ((value & 0xF0)<<(6-4));
PIOS_IRQ_Disable();
/*
* This is sketchy since it assumes a particular ordering
* and bitwise layout of the channels provided to the debug code.
*/
//debug_channels[0].pin.gpio->BSRR = bsrr_l;
//debug_channels[4].pin.gpio->BSRR = bsrr_h;
PIOS_IRQ_Enable();
#endif // PIOS_ENABLE_DEBUG_PINS
}
void PIOS_DEBUG_PinValue4BitL(__attribute__((unused)) uint8_t value)
{
#ifdef PIOS_ENABLE_DEBUG_PINS
if (!debug_channels) {
return;
}
#pragma message("This code is not portable and should be revised")
PIOS_Assert(0);
/*
* This is sketchy since it assumes a particular ordering
* and bitwise layout of the channels provided to the debug code.
*/
uint32_t bsrr_l = ((~(value & 0x0F)<<(16+6))) | ((value & 0x0F)<<6);
//debug_channels[0].pin.gpio->BSRR = bsrr_l;
#endif // PIOS_ENABLE_DEBUG_PINS
}
/**
* Report a serious error and halt
*/
void PIOS_DEBUG_Panic(__attribute__((unused)) const char *msg)
{
#ifdef PIOS_INCLUDE_DEBUG_CONSOLE
register int *lr asm("lr"); // Link-register holds the PC of the caller
DEBUG_PRINTF(0, "\r%s @0x%x\r", msg, lr);
#endif
// Stay put
while (1) ;
}
/**
* @}
* @}
*/