X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=drv%2Fkdebug.c;h=7e5eaaa7befabfc2ccf11db90b4f7eccc752e392;hb=HEAD;hp=f0afc9a899a4fb49defad37d8d4ead7b0af48659;hpb=5f3952176a4e9a00ca8dd5ec4a6b994958f89e0a;p=bertos.git diff --git a/drv/kdebug.c b/drv/kdebug.c deleted file mode 100644 index f0afc9a8..00000000 --- a/drv/kdebug.c +++ /dev/null @@ -1,543 +0,0 @@ -/** - * \file - * - * - * \brief General pourpose debug support for embedded systems (implementation). - * - * \version $Id$ - * \author Bernardo Innocenti - * \author Stefano Fedrigo - */ - -/*#* - *#* $Log$ - *#* Revision 1.31 2007/06/07 14:25:30 batt - *#* Merge from project_ks - *#* - *#* Revision 1.30 2007/01/28 09:18:06 batt - *#* Merge from project_ks. - *#* - *#* Revision 1.29 2006/11/23 13:19:39 batt - *#* Add BitBanged serial debug console. - *#* - *#* Revision 1.28 2006/07/19 12:56:25 bernie - *#* Convert to new Doxygen style. - *#* - *#* Revision 1.27 2006/06/01 12:32:06 marco - *#* Updated include reference. - *#* - *#* Revision 1.26 2006/04/27 05:40:27 bernie - *#* Break on assertion failures. - *#* - *#* Revision 1.25 2005/06/27 21:26:24 bernie - *#* Misc PGM fixes. - *#* - *#* Revision 1.24 2005/04/12 01:36:37 bernie - *#* Add hack to enable TX line at module initialization. - *#* - *#* Revision 1.23 2005/04/11 19:10:27 bernie - *#* Include top-level headers from cfg/ subdir. - *#* - *#* Revision 1.22 2005/02/18 11:18:33 bernie - *#* Fixes for Harvard processors from project_ks. - *#* - *#* Revision 1.21 2005/02/16 20:29:48 bernie - *#* TRACE(), TRACEMSG(): Reduce code and data footprint. - *#* - *#* Revision 1.20 2005/01/25 08:36:40 bernie - *#* kputnum(): Export. - *#* - *#* Revision 1.19 2004/12/31 17:47:45 bernie - *#* Rename UNUSED() to UNUSED_ARG(). - *#*/ - -#include -#include -#include /* for BV() */ -#include -#include /* for CLOCK_FREQ */ -#include /* Required for bus macros overrides */ - -#include /* for _formatted_write() */ - -#ifdef _DEBUG - -#if CPU_HARVARD && !defined(_PROGMEM) - #error This module build correctly only in program memory! -#endif - -#if defined(_EMUL) - #include - #define KDBG_WAIT_READY() do { /*nop*/ } while(0) - #define KDBG_WRITE_CHAR(c) putchar((c)) - #define KDBG_MASK_IRQ(old) do { (void)(old); } while(0) - #define KDBG_RESTORE_IRQ(old) do { /*nop*/ } while(0) - typedef char kdbg_irqsave_t; /* unused */ - - #if CONFIG_KDEBUG_PORT == 666 - #error BITBANG debug console missing for this platform - #endif -#elif CPU_I196 - #include "Util196.h" - #define KDBG_WAIT_READY() do {} while (!(SP_STAT & (SPSF_TX_EMPTY | SPSF_TX_INT))) - #define KDBG_WRITE_CHAR(c) do { SBUF = (c); } while(0) - #define KDBG_MASK_IRQ(old) \ - do { \ - (old) = INT_MASK1 & INT1F_TI; \ - INT_MASK1 &= ~INT1F_TI; \ - } while(0) - #define KDBG_RESTORE_IRQ(old) do { INT_MASK1 |= (old); } - typedef uint16_t kdbg_irqsave_t; /* FIXME: unconfirmed */ - - #if CONFIG_KDEBUG_PORT == 666 - #error BITBANG debug console missing for this platform - #endif -#elif CPU_AVR - #include - - #if CONFIG_KDEBUG_PORT == 0 - - /* - * Support for special bus policies or external transceivers - * on UART0 (to be overridden in "hw_ser.h"). - * - * HACK: if we don't set TXEN, kdbg disables the transmitter - * after each output statement until the serial driver - * is initialized. These glitches confuse the debug - * terminal that ends up printing some trash. - */ - #ifndef KDBG_UART0_BUS_INIT - #define KDBG_UART0_BUS_INIT do { \ - UCSR0B = BV(TXEN0); \ - } while (0) - #endif - #ifndef KDBG_UART0_BUS_RX - #define KDBG_UART0_BUS_RX do {} while (0) - #endif - #ifndef KDBG_UART0_BUS_TX - #define KDBG_UART0_BUS_TX do {} while (0) - #endif - - #if CPU_AVR_ATMEGA64 || CPU_AVR_ATMEGA128 || CPU_AVR_ATMEGA168 - #define UCR UCSR0B - #define UDR UDR0 - #define USR UCSR0A - #elif CPU_AVR_ATMEGA8 - #define UCR UCSRB - #define USR UCSRA - #else - #error Unknown CPU - #endif - - #define KDBG_WAIT_READY() do { loop_until_bit_is_set(USR, UDRE0); } while(0) - #define KDBG_WAIT_TXDONE() do { loop_until_bit_is_set(USR, TXC0); } while(0) - - /* - * We must clear the TXC flag before sending a new character to allow - * KDBG_WAIT_TXDONE() to work properly. - * - * BUG: if KDBG_WRITE_CHAR() is called after the TXC flag is set by hardware, - * a new TXC could be generated after we've cleared it and before the new - * character is written to UDR. On a 485 bus, the transceiver will be put - * in RX mode while still transmitting the last char. - */ - #define KDBG_WRITE_CHAR(c) do { USR |= BV(TXC0); UDR = (c); } while(0) - - #define KDBG_MASK_IRQ(old) do { \ - (old) = UCR; \ - UCR |= BV(TXEN0); \ - UCR &= ~(BV(TXCIE0) | BV(UDRIE0)); \ - KDBG_UART0_BUS_TX; \ - } while(0) - - #define KDBG_RESTORE_IRQ(old) do { \ - KDBG_WAIT_TXDONE(); \ - KDBG_UART0_BUS_RX; \ - UCR = (old); \ - } while(0) - - typedef uint8_t kdbg_irqsave_t; - - #elif CONFIG_KDEBUG_PORT == 1 - - /* - * Support for special bus policies or external transceivers - * on UART1 (to be overridden in "hw_ser.h"). - * - * HACK: if we don't set TXEN, kdbg disables the transmitter - * after each output statement until the serial driver - * is initialized. These glitches confuse the debug - * terminal that ends up printing some trash. - */ - #ifndef KDBG_UART1_BUS_INIT - #define KDBG_UART1_BUS_INIT do { \ - UCSR1B = BV(TXEN1); \ - } while (0) - #endif - #ifndef KDBG_UART1_BUS_RX - #define KDBG_UART1_BUS_RX do {} while (0) - #endif - #ifndef KDBG_UART1_BUS_TX - #define KDBG_UART1_BUS_TX do {} while (0) - #endif - - #define KDBG_WAIT_READY() do { loop_until_bit_is_set(UCSR1A, UDRE1); } while(0) - #define KDBG_WAIT_TXDONE() do { loop_until_bit_is_set(UCSR1A, TXC1); } while(0) - #define KDBG_WRITE_CHAR(c) do { UCSR1A |= BV(TXC1); UDR1 = (c); } while(0) - - #define KDBG_MASK_IRQ(old) do { \ - (old) = UCSR1B; \ - UCSR1B |= BV(TXEN1); \ - UCSR1B &= ~(BV(TXCIE1) | BV(UDRIE1)); \ - KDBG_UART1_BUS_TX; \ - } while(0) - - #define KDBG_RESTORE_IRQ(old) do { \ - KDBG_WAIT_TXDONE(); \ - KDBG_UART1_BUS_RX; \ - UCSR1B = (old); \ - } while(0) - - typedef uint8_t kdbg_irqsave_t; - - /* - * Special debug port for BitBanged Serial see below for details... - */ - #elif CONFIG_KDEBUG_PORT == 666 - #include "hw_ser.h" - #define KDBG_WAIT_READY() do { /*nop*/ } while(0) - #define KDBG_WRITE_CHAR(c) _kdebug_bitbang_putchar((c)) - #define KDBG_MASK_IRQ(old) do { IRQ_SAVE_DISABLE((old)); } while(0) - #define KDBG_RESTORE_IRQ(old) do { IRQ_RESTORE((old)); } while(0) - typedef cpuflags_t kdbg_irqsave_t; - - #define KDBG_DELAY (((CLOCK_FREQ + CONFIG_KDEBUG_BAUDRATE / 2) / CONFIG_KDEBUG_BAUDRATE) + 7) / 14 - - static void _kdebug_bitbang_delay(void) - { - unsigned long i; - - for (i = 0; i < KDBG_DELAY; i++) - { - NOP; - NOP; - NOP; - NOP; - NOP; - } - } - #else - #error CONFIG_KDEBUG_PORT should be either 0, 1 or 666 - #endif -#elif defined(__MWERKS__) && CPU_DSP56K - /* Debugging go through the JTAG interface. The MSL library already - implements the console I/O correctly. */ - #include - #define KDBG_WAIT_READY() do { } while (0) - #define KDBG_WRITE_CHAR(c) __put_char(c, stdout) - #define KDBG_MASK_IRQ(old) do { (void)(old); } while (0) - #define KDBG_RESTORE_IRQ(old) do { (void)(old); } while (0) - typedef uint8_t kdbg_irqsave_t; /* unused */ - #if CONFIG_KDEBUG_PORT == 666 - #error BITBANG debug console missing for this platform - #endif -#else - #error Unknown architecture -#endif - -#if CONFIG_KDEBUG_PORT == 666 - /** - * Putchar for BITBANG serial debug console. - * Sometimes, we can't permit to use a whole serial for debugging purpose. - * Since debug console is in output only it is usefull to use a single generic I/O pin for debug. - * This is achieved by this simple function, that shift out the data like a UART, but - * in software :) - * The only requirement is that SER_BITBANG_* macros will be defined somewhere (usually hw_ser.h) - * \note All interrupts are disabled during debug prints! - */ - static void _kdebug_bitbang_putchar(char c) - { - int i; - uint16_t data = c; - - /* Add stop bit */ - data |= 0x0100; - - /* Add start bit*/ - data <<= 1; - - /* Shift out data */ - uint16_t shift = 1; - for (i = 0; i < 10; i++) - { - if (data & shift) - SER_BITBANG_HIGH; - else - SER_BITBANG_LOW; - _kdebug_bitbang_delay(); - shift <<= 1; - } - } -#endif - - - - -void kdbg_init(void) -{ -#if CPU_I196 - - /* Set serial port for 19200bps 8N1 */ - INT_MASK1 &= ~(INT1F_TI | INT1F_RI); - SP_CON = SPCF_RECEIVE_ENABLE | SPCF_MODE1; - ioc1_img |= IOC1F_TXD_SEL | IOC1F_EXTINT_SRC; - IOC1 = ioc1_img; - BAUD_RATE = 0x33; - BAUD_RATE = 0x80; - -#elif CPU_AVR - #if CONFIG_KDEBUG_PORT == 666 - SER_BITBANG_INIT; - #else /* CONFIG_KDEBUG_PORT != 666 */ - /* Compute the baud rate */ - uint16_t period = (((CLOCK_FREQ / 16UL) + (CONFIG_KDEBUG_BAUDRATE / 2)) / CONFIG_KDEBUG_BAUDRATE) - 1; - - #if (CPU_AVR_ATMEGA64 || CPU_AVR_ATMEGA128) - #if CONFIG_KDEBUG_PORT == 0 - UBRR0H = (uint8_t)(period>>8); - UBRR0L = (uint8_t)period; - KDBG_UART0_BUS_INIT; - #elif CONFIG_KDEBUG_PORT == 1 - UBRR1H = (uint8_t)(period>>8); - UBRR1L = (uint8_t)period; - KDBG_UART1_BUS_INIT; - #else - #error CONFIG_KDEBUG_PORT must be either 0 or 1 - #endif - - #elif CPU_AVR_ATMEGA168 - UBRR0H = (uint8_t)(period>>8); - UBRR0L = (uint8_t)period; - KDBG_UART0_BUS_INIT; - #elif CPU_AVR_ATMEGA8 - UBRRH = (uint8_t)(period>>8); - UBRRL = (uint8_t)period; - #elif CPU_AVR_ATMEGA103 - UBRR = (uint8_t)period; - KDBG_UART0_BUS_INIT; - #else - #error Unknown CPU - #endif - #endif /* CONFIG_KDEBUG_PORT == 666 */ - -#endif /* !CPU_I196 && !CPU_AVR */ - - kputs("\n\n*** DBG START ***\n"); -} - - -/** - * Output one character to the debug console - */ -static void __kputchar(char c, UNUSED_ARG(void *, unused)) -{ - /* Poll while serial buffer is still busy */ - KDBG_WAIT_READY(); - - /* Send '\n' as '\r\n' for dumb terminals */ - if (c == '\n') - { - KDBG_WRITE_CHAR('\r'); - KDBG_WAIT_READY(); - } - - KDBG_WRITE_CHAR(c); -} - - -void kputchar(char c) -{ - /* Mask serial TX intr */ - kdbg_irqsave_t irqsave; - KDBG_MASK_IRQ(irqsave); - - __kputchar(c, 0); - - /* Restore serial TX intr */ - KDBG_RESTORE_IRQ(irqsave); -} - - -static void PGM_FUNC(kvprintf)(const char * PGM_ATTR fmt, va_list ap) -{ -#if CONFIG_PRINTF - /* Mask serial TX intr */ - kdbg_irqsave_t irqsave; - KDBG_MASK_IRQ(irqsave); - - PGM_FUNC(_formatted_write)(fmt, __kputchar, 0, ap); - - /* Restore serial TX intr */ - KDBG_RESTORE_IRQ(irqsave); -#else - /* A better than nothing printf() surrogate. */ - PGM_FUNC(kputs)(fmt); -#endif /* CONFIG_PRINTF */ -} - -void PGM_FUNC(kprintf)(const char * PGM_ATTR fmt, ...) -{ - va_list ap; - - va_start(ap, fmt); - PGM_FUNC(kvprintf)(fmt, ap); - va_end(ap); -} - -void PGM_FUNC(kputs)(const char * PGM_ATTR str) -{ - char c; - - /* Mask serial TX intr */ - kdbg_irqsave_t irqsave; - KDBG_MASK_IRQ(irqsave); - - while ((c = PGM_READ_CHAR(str++))) - __kputchar(c, 0); - - KDBG_RESTORE_IRQ(irqsave); -} - - -/** - * Cheap function to print small integers without using printf(). - */ -int kputnum(int num) -{ - int output_len = 0; - int divisor = 10000; - int digit; - - do - { - digit = num / divisor; - num %= divisor; - - if (digit || output_len || divisor == 1) - { - kputchar(digit + '0'); - ++output_len; - } - } - while (divisor /= 10); - - return output_len; -} - - -static void klocation(const char * PGM_ATTR file, int line) -{ - PGM_FUNC(kputs)(file); - kputchar(':'); - kputnum(line); - PGM_FUNC(kputs)(PGM_STR(": ")); -} - -int PGM_FUNC(__assert)(const char * PGM_ATTR cond, const char * PGM_ATTR file, int line) -{ - klocation(file, line); - PGM_FUNC(kputs)(PGM_STR("Assertion failed: ")); - PGM_FUNC(kputs)(cond); - kputchar('\n'); - BREAKPOINT; - return 1; -} - -/* - * Unfortunately, there's no way to get __func__ in - * program memory, so we waste quite a lot of RAM in - * AVR and other Harvard processors. - */ -void PGM_FUNC(__trace)(const char *name) -{ - PGM_FUNC(kprintf)(PGM_STR("%s()\n"), name); -} - -void PGM_FUNC(__tracemsg)(const char *name, const char * PGM_ATTR fmt, ...) -{ - va_list ap; - - PGM_FUNC(kprintf)(PGM_STR("%s(): "), name); - va_start(ap, fmt); - PGM_FUNC(kvprintf)(fmt, ap); - va_end(ap); - kputchar('\n'); -} - -int PGM_FUNC(__invalid_ptr)(void *value, const char * PGM_ATTR name, const char * PGM_ATTR file, int line) -{ - klocation(file, line); - PGM_FUNC(kputs)(PGM_STR("Invalid ptr: ")); - PGM_FUNC(kputs)(name); - #if CONFIG_PRINTF - PGM_FUNC(kprintf)(PGM_STR(" = 0x%x\n"), (unsigned int)value); - #else - (void)value; - kputchar('\n'); - #endif - return 1; -} - - -void __init_wall(long *wall, int size) -{ - while(size--) - *wall++ = WALL_VALUE; -} - - -int PGM_FUNC(__check_wall)(long *wall, int size, const char * PGM_ATTR name, const char * PGM_ATTR file, int line) -{ - int i, fail = 0; - - for (i = 0; i < size; i++) - { - if (wall[i] != WALL_VALUE) - { - klocation(file, line); - PGM_FUNC(kputs)(PGM_STR("Wall broken: ")); - PGM_FUNC(kputs)(name); - #if CONFIG_PRINTF - PGM_FUNC(kprintf)(PGM_STR("[%d] (0x%p) = 0x%lx\n"), i, wall + i, wall[i]); - #else - kputchar('\n'); - #endif - fail = 1; - } - } - - return fail; -} - - -#if CONFIG_PRINTF - -/** - * Dump binary data in hex - */ -void kdump(const void *_buf, size_t len) -{ - const unsigned char *buf = (const unsigned char *)_buf; - - while (len--) - kprintf("%02X", *buf++); - kputchar('\n'); -} - -#endif /* CONFIG_PRINTF */ - -#endif /* _DEBUG */