X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Fjtag%2Fparport.c;h=ab393e585afa8aaca6a37066d852bbe4fa1e801c;hp=13f04904fa4ced4b8b25ea7f7d6d595d15ceb4fd;hb=fb1a9b2cb2f844a17d26dfeb3d26849364d93e26;hpb=ed9c257551729cf2dc54fcbc3ad520fdfa9ad0c1 diff --git a/src/jtag/parport.c b/src/jtag/parport.c index 13f04904fa..ab393e585a 100644 --- a/src/jtag/parport.c +++ b/src/jtag/parport.c @@ -24,33 +24,17 @@ #include "config.h" #endif -#include "replacements.h" - -#include "jtag.h" +#include "interface.h" #include "bitbang.h" -/* system includes */ /* -ino: 060521-1036 */ #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) - -#include #include #include #define ioperm(startport,length,enable)\ i386_set_ioperm((startport), (length), (enable)) - -#else - -#ifdef _WIN32 -#include "errno.h" -#endif /* _WIN32 */ - #endif /* __FreeBSD__ */ -#include -#include -#include - #if PARPORT_USE_PPDEV == 1 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) #include @@ -61,7 +45,6 @@ #include #include #endif -#include #include #else /* not PARPORT_USE_PPDEV */ #ifndef _WIN32 @@ -69,35 +52,31 @@ #endif #endif -#if PARPORT_USE_GIVEIO == 1 -#if IS_CYGWIN == 1 +#if PARPORT_USE_GIVEIO == 1 && IS_CYGWIN == 1 #include -#include -#endif #endif -#include "log.h" /* parallel port cable description */ typedef struct cable_s { char* name; - u8 TDO_MASK; /* status port bit containing current TDO value */ - u8 TRST_MASK; /* data port bit for TRST */ - u8 TMS_MASK; /* data port bit for TMS */ - u8 TCK_MASK; /* data port bit for TCK */ - u8 TDI_MASK; /* data port bit for TDI */ - u8 SRST_MASK; /* data port bit for SRST */ - u8 OUTPUT_INVERT; /* data port bits that should be inverted */ - u8 INPUT_INVERT; /* status port that should be inverted */ - u8 PORT_INIT; /* initialize data port with this value */ - u8 PORT_EXIT; /* de-initialize data port with this value */ - u8 LED_MASK; /* data port bit for LED */ + uint8_t TDO_MASK; /* status port bit containing current TDO value */ + uint8_t TRST_MASK; /* data port bit for TRST */ + uint8_t TMS_MASK; /* data port bit for TMS */ + uint8_t TCK_MASK; /* data port bit for TCK */ + uint8_t TDI_MASK; /* data port bit for TDI */ + uint8_t SRST_MASK; /* data port bit for SRST */ + uint8_t OUTPUT_INVERT; /* data port bits that should be inverted */ + uint8_t INPUT_INVERT; /* status port that should be inverted */ + uint8_t PORT_INIT; /* initialize data port with this value */ + uint8_t PORT_EXIT; /* de-initialize data port with this value */ + uint8_t LED_MASK; /* data port bit for LED */ } cable_t; -cable_t cables[] = -{ +static cable_t cables[] = +{ /* name tdo trst tms tck tdi srst o_inv i_inv init exit led */ { "wiggler", 0x80, 0x10, 0x02, 0x04, 0x08, 0x01, 0x01, 0x80, 0x80, 0x80, 0x00 }, { "wiggler2", 0x80, 0x10, 0x02, 0x04, 0x08, 0x01, 0x01, 0x80, 0x80, 0x00, 0x20 }, @@ -123,14 +102,14 @@ cable_t cables[] = }; /* configuration */ -char* parport_cable = NULL; -u16 parport_port; +static char* parport_cable = NULL; +static uint16_t parport_port; static int parport_exit = 0; /* interface variables */ static cable_t* cable; -static u8 dataport_value = 0x0; +static uint8_t dataport_value = 0x0; #if PARPORT_USE_PPDEV == 1 static int device_handle; @@ -141,34 +120,34 @@ static unsigned long statusport; /* low level command set */ -int parport_read(void); -void parport_write(int tck, int tms, int tdi); -void parport_reset(int trst, int srst); -void parport_led(int on); +static int parport_read(void); +static void parport_write(int tck, int tms, int tdi); +static void parport_reset(int trst, int srst); +static void parport_led(int on); -int parport_speed(int speed); -int parport_register_commands(struct command_context_s *cmd_ctx); -int parport_init(void); -int parport_quit(void); +static int parport_speed(int speed); +static int parport_register_commands(struct command_context_s *cmd_ctx); +static int parport_init(void); +static int parport_quit(void); /* interface commands */ -int parport_handle_parport_port_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); -int parport_handle_parport_cable_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); -int parport_handle_write_on_exit_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); +static int parport_handle_parport_port_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); +static int parport_handle_parport_cable_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); +static int parport_handle_write_on_exit_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); -jtag_interface_t parport_interface = +jtag_interface_t parport_interface = { .name = "parport", - + .execute_queue = bitbang_execute_queue, - .speed = parport_speed, + .speed = parport_speed, .register_commands = parport_register_commands, .init = parport_init, .quit = parport_quit, }; -bitbang_interface_t parport_bitbang = +static bitbang_interface_t parport_bitbang = { .read = parport_read, .write = parport_write, @@ -176,10 +155,10 @@ bitbang_interface_t parport_bitbang = .blink = parport_led }; -int parport_read(void) +static int parport_read(void) { int data = 0; - + #if PARPORT_USE_PPDEV == 1 ioctl(device_handle, PPRSTATUS, & data); #else @@ -194,7 +173,7 @@ int parport_read(void) static __inline__ void parport_write_data(void) { - u8 output; + uint8_t output; output = dataport_value ^ cable->OUTPUT_INVERT; #if PARPORT_USE_PPDEV == 1 @@ -208,31 +187,31 @@ static __inline__ void parport_write_data(void) #endif } -void parport_write(int tck, int tms, int tdi) +static void parport_write(int tck, int tms, int tdi) { - int i = jtag_speed + 1; - + int i = jtag_get_speed() + 1; + if (tck) dataport_value |= cable->TCK_MASK; else dataport_value &= ~cable->TCK_MASK; - + if (tms) dataport_value |= cable->TMS_MASK; else dataport_value &= ~cable->TMS_MASK; - + if (tdi) dataport_value |= cable->TDI_MASK; else dataport_value &= ~cable->TDI_MASK; - + while (i-- > 0) parport_write_data(); } /* (1) assert or (0) deassert reset lines */ -void parport_reset(int trst, int srst) +static void parport_reset(int trst, int srst) { LOG_DEBUG("trst: %i, srst: %i", trst, srst); @@ -245,12 +224,12 @@ void parport_reset(int trst, int srst) dataport_value |= cable->SRST_MASK; else if (srst == 1) dataport_value &= ~cable->SRST_MASK; - + parport_write_data(); } - + /* turn LED on parport adapter on (1) or off (0) */ -void parport_led(int on) +static void parport_led(int on) { if (on) dataport_value |= cable->LED_MASK; @@ -260,12 +239,12 @@ void parport_led(int on) parport_write_data(); } -int parport_speed(int speed) +static int parport_speed(int speed) { return ERROR_OK; } -int parport_register_commands(struct command_context_s *cmd_ctx) +static int parport_register_commands(struct command_context_s *cmd_ctx) { register_command(cmd_ctx, NULL, "parport_port", parport_handle_parport_port_command, COMMAND_CONFIG, "either the address of the I/O port or the number of the ‘/dev/parport’ device"); @@ -278,11 +257,11 @@ int parport_register_commands(struct command_context_s *cmd_ctx) } #if PARPORT_USE_GIVEIO == 1 -int parport_get_giveio_access(void) +static int parport_get_giveio_access(void) { HANDLE h; OSVERSIONINFO version; - + version.dwOSVersionInfoSize = sizeof version; if (!GetVersionEx( &version )) { errno = EINVAL; @@ -290,35 +269,35 @@ int parport_get_giveio_access(void) } if (version.dwPlatformId != VER_PLATFORM_WIN32_NT) return 0; - + h = CreateFile( "\\\\.\\giveio", GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL ); if (h == INVALID_HANDLE_VALUE) { errno = ENODEV; return -1; } - + CloseHandle( h ); - + return 0; } #endif -int parport_init(void) +static int parport_init(void) { cable_t *cur_cable; #if PARPORT_USE_PPDEV == 1 char buffer[256]; int i = 0; #endif - + cur_cable = cables; - + if ((parport_cable == NULL) || (parport_cable[0] == 0)) { parport_cable = "wiggler"; LOG_WARNING("No parport cable specified, using default 'wiggler'"); } - + while (cur_cable->name) { if (strcmp(cur_cable->name, parport_cable) == 0) @@ -334,9 +313,9 @@ int parport_init(void) LOG_ERROR("No matching cable found for %s", parport_cable); return ERROR_JTAG_INIT_FAILED; } - + dataport_value = cable->PORT_INIT; - + #if PARPORT_USE_PPDEV == 1 if (device_handle > 0) { @@ -365,7 +344,7 @@ int parport_init(void) LOG_DEBUG("...open"); #if !defined(__FreeBSD__) && !defined(__FreeBSD_kernel__) - i=ioctl(device_handle, PPCLAIM); + i = ioctl(device_handle, PPCLAIM); if (i<0) { LOG_ERROR("cannot claim device"); @@ -395,10 +374,10 @@ int parport_init(void) parport_port = 0x378; LOG_WARNING("No parport port specified, using default '0x378' (LPT1)"); } - + dataport = parport_port; statusport = parport_port + 1; - + LOG_DEBUG("requesting privileges for parallel port 0x%lx...", dataport); #if PARPORT_USE_GIVEIO == 1 if (parport_get_giveio_access() != 0) @@ -410,26 +389,26 @@ int parport_init(void) return ERROR_JTAG_INIT_FAILED; } LOG_DEBUG("...privileges granted"); - + /* make sure parallel port is in right mode (clear tristate and interrupt */ #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) outb(parport_port + 2, 0x0); #else outb(0x0, parport_port + 2); #endif - + #endif /* PARPORT_USE_PPDEV */ - + parport_reset(0, 0); parport_write(0, 0, 0); parport_led(1); - bitbang_interface = &parport_bitbang; + bitbang_interface = &parport_bitbang; return ERROR_OK; } -int parport_quit(void) +static int parport_quit(void) { parport_led(0); @@ -438,29 +417,40 @@ int parport_quit(void) dataport_value = cable->PORT_EXIT; parport_write_data(); } - + if (parport_cable) { free(parport_cable); parport_cable = NULL; } - + return ERROR_OK; } -int parport_handle_parport_port_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) +static int parport_handle_parport_port_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) { - if (argc == 0) - return ERROR_OK; + if (argc == 1) + { + /* only if the port wasn't overwritten by cmdline */ + if (parport_port == 0) + { + int retval = parse_u16(args[0], &parport_port); + if (ERROR_OK != retval) + return retval; + } + else + { + LOG_ERROR("The parport port was already configured!"); + return ERROR_FAIL; + } + } - /* only if the port wasn't overwritten by cmdline */ - if (parport_port == 0) - parport_port = strtoul(args[0], NULL, 0); + command_print(cmd_ctx, "parport port = %u", parport_port); return ERROR_OK; } -int parport_handle_parport_cable_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) +static int parport_handle_parport_cable_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) { if (argc == 0) return ERROR_OK; @@ -475,18 +465,18 @@ int parport_handle_parport_cable_command(struct command_context_s *cmd_ctx, char return ERROR_OK; } -int parport_handle_write_on_exit_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) +static int parport_handle_write_on_exit_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) { if (argc != 1) { - command_print(cmd_ctx, "usage: parport_write_on_exit "); + command_print(cmd_ctx, "usage: parport_write_on_exit "); return ERROR_OK; } - + if (strcmp(args[0], "on") == 0) parport_exit = 1; else if (strcmp(args[0], "off") == 0) parport_exit = 0; - + return ERROR_OK; }