diff options
Diffstat (limited to 'c')
| -rw-r--r-- | c/LICENSE | 17 | ||||
| -rw-r--r-- | c/README | 97 | ||||
| -rw-r--r-- | c/echo.c | 183 | ||||
| -rw-r--r-- | c/echo.h | 42 | ||||
| -rw-r--r-- | c/echoblob.h | 290 | ||||
| -rw-r--r-- | c/tool/blob2c.c | 77 |
6 files changed, 706 insertions, 0 deletions
diff --git a/c/LICENSE b/c/LICENSE new file mode 100644 index 0000000..05d9fdb --- /dev/null +++ b/c/LICENSE @@ -0,0 +1,17 @@ +© 2010-2012 Javier Degirolmo + +This software is provided 'as-is', without any express or implied +warranty. In no event will the authors be held liable for any damages +arising from the use of this software. + +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it +freely, subject to the following restrictions: + +1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. +2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. +3. This notice may not be removed or altered from any source distribution. diff --git a/c/README b/c/README new file mode 100644 index 0000000..5413ec0 --- /dev/null +++ b/c/README @@ -0,0 +1,97 @@ +Quick readme that's going to be here until proper documentation is made. + +Echo is licensed under the zlib license. Feel free to use it as long as you +don't claim you made Echo (no credit needed though). If you modify it don't +claim it's vanilla Echo either :P + +THIS CODE HAS NOT BEEN TESTED YET. I CURRENTLY DON'T HAVE ANY C DEVKIT TO +VERIFY IT WORKS FINE. I HAVE DONE AS MANY CHECKS AS POSSIBLE (AND IT +DEFINITELY SHOULD BUILD) BUT I NEED REPORTS TO KNOW IF IT'S WORKING AS +EXPECTED. SORRY FOR THE INCONVENIENCE. + +============================================================================= + +To include Echo in your program, you need to include echo.c, echo.h and +echoblob.h in it (and yes, you can put echo.h as a system file if you want). +That's pretty much it. + +To access the Echo stuff, include echo.h in the source files that need to +make use of it. It contains all the function definitions and such, as well as +the macros needed to make the instrument list. + +echoblob.h is already included here, but if you want to use a different Z80 +blob from the included one, you can use the blob2c tool. It's a command line +tool and its usage is pretty simple: blob2c «input.bin» «output.c» + +============================================================================= + +Echo makes use of an instrument list. There are some macros in echo.h to help +you make the lists in your C program. Basically, do something like this: + + ECHO_LIST_START(list) + ECHO_LIST_ENTRY(instrument1) + ECHO_LIST_ENTRY(instrument2) + ECHO_LIST_ENTRY(instrument3) + ECHO_LIST_ENTRY(instrument4) + ECHO_LIST_ENTRY(instrument5) + ECHO_LIST_END + +Where 'list' is the name the list will have (this creates a standard C +array). This is the same name you have to pass to echo_init(). + +Each ECHO_LIST_ENTRY is an instrument, and you pass a pointer to their blob +data (EIF, EEF, EWF) as the parameter. Put as many ECHO_LIST_ENTRY as +instruments you want in the list. + +Make sure to NOT put semicolons or you'll get weird compiler errors. + +============================================================================= + +Quick overview of the functions. The functions map 1:1 to their asm +counterparts, by the way. + + echo_init(list) + + Initializes Echo. 'list' is a pointer to the instrument list (pass here + the name you passed to ECHO_LIST_START). Make sure to call this before + doing anything else with Echo. + + echo_play_bgm(stream) + + Plays background music. 'stream' is a pointer to the ESF data. + + echo_stop_bgm() + + Stops background music playback. + + echo_play_sfx(stream) + + Plays a sound effect. 'stream' is a pointer to the ESF data. + + echo_stop_sfx() + + Stops sound effect playback. + + echo_get_status() + + Gets the current status of Echo. It returns a value which is an OR of + the following flags (as appropriate): + + ECHO_STAT_BGM .... Background music is playing + ECHO_STAT_SFX .... Sound effect is playing + ECHO_STAT_BUSY ... Echo is busy (can't parse commands yet) + + And just to make it clear: if you send a command to Echo while it's + busy, it won't fail, it'll just make the 68000 wait until Echo is + ready. No need to explicitly check for it. Check this only if you want + to prevent the 68000 waiting. + + echo_send_command(command) + + Lets you send a raw command to Echo. Use this for commands not taking + parameters. + + echo_send_command_ex(command, address) + + Lets you send a raw command to Echo. Use this for commands that take an + address as a parameter. diff --git a/c/echo.c b/c/echo.c new file mode 100644 index 0000000..246c6b6 --- /dev/null +++ b/c/echo.c @@ -0,0 +1,183 @@ +// Required headers +#include <stdint.h> +#include "echoblob.h" +#include "echo.h" + +// Z80 addresses +static volatile uint8_t* const z80_ram = (uint8_t *) 0xA00000; +static volatile uint16_t* const z80_busreq = (uint16_t *) 0xA11100; +static volatile uint16_t* const z80_reset = (uint16_t *) 0xA11200; + +// Macros to control the Z80 +#define Z80_REQUEST() \ + { *z80_busreq = 0x100; while (*z80_busreq & 0x100); } +#define Z80_RELEASE() \ + { *z80_busreq = 0; } +#define Z80_RESET() \ + { *z80_reset = 0; \ + int16_t i; for (i = 8; i >= 0; i--); \ + *z80_reset = 0x100; } + +//*************************************************************************** +// echo_init +// Initializes Echo and gets it running. +//--------------------------------------------------------------------------- +// param list: pointer to instrument list +//*************************************************************************** + +void echo_init(const void *list) { + // Take over the Z80 + Z80_RESET(); + Z80_REQUEST(); + + // Tell Echo to load the pointer list as soon as it starts + uint32_t param = (uint32_t) list; + z80_ram[0x1FFF] = ECHO_CMD_LOADLIST; + z80_ram[0x1FFD] = param; + param >>= 8; + z80_ram[0x1FFE] = param | 0x80; + param >>= 8; + param = (param & 0x7F) | (param >> 1 & 0x80); + z80_ram[0x1FFC] = param; + + // Copy the Echo blob into Z80 RAM + // No, memcpy() won't do here since we must ensure accesses are byte-sized + // (memcpy() may not know this and try word or long accesses) + const uint8_t *src = echo_blob; + volatile uint8_t *dest = z80_ram; + int16_t count = sizeof(echo_blob)-1; + while (count >= 0) + *dest++ = *src++; + + // Let Echo start running! + Z80_RESET(); + Z80_RELEASE(); +} + +//*************************************************************************** +// echo_send_command +// Sends a raw command to Echo. No parameters are taken. +//--------------------------------------------------------------------------- +// param cmd: command to send +//*************************************************************************** + +void echo_send_command(unsigned char cmd) { + // We need access to Z80 bus + Z80_REQUEST(); + + // Is Echo busy yet? + while (z80_ram[0x1FFF] != 0x00) { + Z80_RELEASE(); + int16_t i; + for (i = 0x3FF; i >= 0; i--); + Z80_REQUEST(); + } + + // Write the command + z80_ram[0x1FFF] = cmd; + + // Done with the Z80 + Z80_RELEASE(); +} + +//*************************************************************************** +// echo_send_command_ex +// Sends a raw command to Echo. An address parameter is taken. +//--------------------------------------------------------------------------- +// param cmd: command to send +// param addr: address parameter +//*************************************************************************** + +void echo_send_command_ex(unsigned char cmd, const void *addr) { + // Since we need to split the address into multiple bytes we put it in an + // integer. This is a bad practice in general, period, but since we don't + // care about portability here we can afford to do it this time. + uint32_t param = (uint32_t) addr; + + // We need access to Z80 bus + Z80_REQUEST(); + + // Is Echo busy yet? + while (z80_ram[0x1FFF] != 0x00) { + Z80_RELEASE(); + int16_t i; + for (i = 0x3FF; i >= 0; i--); + Z80_REQUEST(); + } + + // Write the command + z80_ram[0x1FFF] = cmd; + z80_ram[0x1FFD] = param; + param >>= 8; + z80_ram[0x1FFE] = param | 0x80; + param >>= 8; + param = (param & 0x7F) | (param >> 1 & 0x80); + z80_ram[0x1FFC] = param; + + // Done with the Z80 + Z80_RELEASE(); +} + +//*************************************************************************** +// echo_play_bgm +// Starts playing background music. +//--------------------------------------------------------------------------- +// param ptr: pointer to BGM stream +//*************************************************************************** + +void echo_play_bgm(const void *ptr) { + echo_send_command_ex(ECHO_CMD_PLAYBGM, ptr); +} + +//*************************************************************************** +// echo_stop_bgm +// Stops background music playback. +//*************************************************************************** + +void echo_stop_bgm(void) { + echo_send_command(ECHO_CMD_STOPBGM); +} + +//*************************************************************************** +// echo_play_sfx +// Starts playing a sound effect. +//--------------------------------------------------------------------------- +// param ptr: pointer to SFX stream +//*************************************************************************** + +void echo_play_sfx(const void *ptr) { + echo_send_command_ex(ECHO_CMD_PLAYSFX, ptr); +} + +//*************************************************************************** +// echo_stop_sfx +// Stops sound effect playback. +//*************************************************************************** + +void echo_stop_sfx(void) { + echo_send_command(ECHO_CMD_STOPSFX); +} + +//*************************************************************************** +// echo_get_status +// Retrieves Echo's current status. +//--------------------------------------------------------------------------- +// return: status flags (see ECHO_STAT_*) +//*************************************************************************** + +unsigned short echo_get_status(void) { + // We need access to the Z80 + Z80_REQUEST(); + + // Retrieve status from Z80 RAM + uint16_t status = 0; + status = z80_ram[0x1FF0]; + if (z80_ram[0x1FFF] != 0) + status |= ECHO_STAT_BUSY; + + // Done with the Z80 + Z80_RELEASE(); + + // Return status + return status; +} diff --git a/c/echo.h b/c/echo.h new file mode 100644 index 0000000..526e24e --- /dev/null +++ b/c/echo.h @@ -0,0 +1,42 @@ +#ifndef ECHO_H +#define ECHO_H + +/* + * Macros used to define instrument lists + * Yeah, this thing is a mess + */ +#define ECHO_LIST_START(name) \ + static const unsigned char name[] = { +#define ECHO_LIST_ENTRY(addr) \ + ((unsigned long)(addr) >> 8 & 0x7F) | 0x80, \ + (unsigned long)(addr) & 0xFF, \ + ((unsigned long)(addr) >> 15 & 0x7F) | \ + ((unsigned long)(addr) >> 16 & 0x80)), +#define ECHO_LIST_END \ + 0x00 }; + +/* Echo commands */ +enum { + ECHO_CMD_NONE, /* 0x00 - No command */ + ECHO_CMD_LOADLIST, /* 0x01 - Load instrument list */ + ECHO_CMD_PLAYSFX, /* 0x02 - Play a SFX */ + ECHO_CMD_STOPSFX, /* 0x03 - Stop SFX playback */ + ECHO_CMD_PLAYBGM, /* 0x04 - Play a BGM */ + ECHO_CMD_STOPBGM /* 0x05 - Stop BGM playback */ +}; + +/* Echo status flags */ +#define ECHO_STAT_BGM 0x0001 /* Background music is playing */ +#define ECHO_STAT_SFX 0x0002 /* Sound effect is playing */ +#define ECHO_STAT_BUSY 0x8000 /* Echo still didn't parse command */ + +/* Function prototypes */ +void echo_play_bgm(const void *); +void echo_stop_bgm(void); +void echo_play_sfx(const void *); +void echo_stop_sfx(void); +unsigned short echo_get_status(void); +void echo_send_command(unsigned char); +void echo_send_command_ex(unsigned char, const void *); + +#endif diff --git a/c/echoblob.h b/c/echoblob.h new file mode 100644 index 0000000..36a0283 --- /dev/null +++ b/c/echoblob.h @@ -0,0 +1,290 @@ +static uint8_t echo_blob[] = { + 49,240, 31,175, 50,240, 31, 33, 17,127, 54,159, 54,191, 54,223, + 54,255,175, 50, 0, 17, 50, 16, 17, 50, 32, 17, 50, 48, 17, 33, + 0, 96,117,117,117,117,117,117,117,117,117,221, 33, 0, 64,253, + 38, 64,217, 1, 0, 0, 17, 0, 0, 33, 0, 96,217,221, 54, 0, + 43,221, 54, 1, 0, 30,127, 62, 64, 6, 4,221,119, 0,221,115, + 1,221,119, 2,221,115, 3, 60,221,119, 0,221,115, 1,221,119, + 2,221,115, 3, 60,221,119, 0,221,115, 1,221,119, 2,221,115, + 3, 60, 60, 16,214,221, 54, 0,180,221, 54, 1,192,221, 54, 0, + 181,221, 54, 1,192,221, 54, 0,182,221, 54, 1,192,221, 54, 2, + 180,221, 54, 3,192,221, 54, 2,181,221, 54, 3,192,221, 54, 2, + 182,221, 54, 3,192,221, 54, 0, 36,221, 54, 1,254,221, 54, 0, + 37,221, 54, 1, 3,221, 54, 0, 38,221, 54, 1,201,221, 54, 0, + 39,221, 54, 1, 63,195,238, 0, 61,202, 66, 1, 61,202,211, 4, + 61,202,248, 5, 61,202,193, 2, 61,202, 5, 4, 58, 0, 64, 15, + 220, 61, 2,175, 50,255, 31, 58, 0, 64, 15,220, 61, 2, 58,255, + 31,183, 32,212, 58, 0, 64, 15,220, 61, 2, 58, 0, 64,203, 79, + 32, 8,203, 71,196, 61, 2,195,238, 0,221,126, 0,203, 71,196, + 61, 2,221, 54, 0, 39,221, 54, 1, 47, 58, 0, 64, 15,220, 61, + 2,195, 36, 1, 58, 0, 64, 15,220, 61, 2,195, 46, 1, 58, 0, + 64, 15,220, 61, 2,195,195, 11, 58, 0, 64, 15,220, 61, 2,195, + 238, 0, 33,252, 31, 78, 44, 94, 44, 86,235,175, 50,255, 31,121, + 17, 0, 96,235,119, 15,119, 15,119, 15,119, 15,119, 15,119, 15, + 119,117, 15,119,235, 17, 0, 28,126,183,202,206, 1, 18, 20, 44, + 32, 25, 36, 32, 22, 12,121, 38, 96,119, 15,119, 15,119, 15,119, + 15,119, 15,119, 15,119,117, 15,119, 38,128,126, 18, 20, 44, 32, + 25, 36, 32, 22, 12,121, 38, 96,119, 15,119, 15,119, 15,119, 15, + 119, 15,119, 15,119,117, 15,119, 38,128,126, 18, 21, 21, 28, 44, + 32, 25, 36, 32, 22, 12,121, 38, 96,119, 15,119, 15,119, 15,119, + 15,119, 15,119, 15,119,117, 15,119, 38,128,195,104, 1,121, 50, + 140, 17,195,238, 0, 58,140, 17,185,202,242, 1,121, 50,140, 17, + 217,119, 15,119, 15,119, 15,119, 15,119, 15,119, 15,119,117, 15, + 119,217, 70, 44,194,254, 1, 36,194,254, 1, 38,128, 12,201,205, + 25, 2,195, 76, 5, 58, 0, 64, 15,220, 61, 2, 58,134, 17,183, + 194,234, 3,205, 25, 2,195, 51, 3,205,213, 1,120,217, 6, 1, + 38, 28,111, 86, 36, 94, 36, 78, 33, 0, 96,217,221, 54, 0, 43, + 221, 54, 1,128,221, 54, 0, 42,221, 54, 1,128,201,221, 54, 0, + 39,221, 54, 1, 31,217,120,183, 40, 47, 58,140, 17,185,202,101, + 2,121, 50,140, 17,119, 15,119, 15,119, 15,119, 15,119, 15,119, + 15,119,117, 15,119, 26, 60, 40, 18,221, 54, 0, 42,221,119, 1, + 28, 32, 6, 20, 32, 3, 22,128, 12,217,201, 6, 0,221, 54, 0, + 42,221, 54, 1,128,221, 54, 0, 43,221, 54, 1, 0,217,201,205, + 169, 2,195, 76, 5, 58, 0, 64, 15,220, 61, 2, 58,134, 17,183, + 194, 51, 3,205,169, 2,195, 51, 3,217, 6, 0,217,221, 54, 0, + 43,221, 54, 1, 0,201, 62, 1, 50,134, 17,205,169, 2,195, 76, + 5, 58, 0, 64, 15,220, 61, 2,205, 51, 4, 58, 0, 64, 15,220, + 61, 2, 58,240, 31,246, 2, 50,240, 31, 58, 0, 64, 15,220, 61, + 2, 33,252, 31, 78, 44, 94, 44, 86, 58, 0, 64, 15,220, 61, 2, + 175, 50,255, 31, 33,141, 17, 54, 1, 44, 54, 1, 44,113, 44,115, + 44,114, 58, 0, 64, 15,220, 61, 2, 33, 18, 3, 34, 44, 1,195, + 238, 0, 58, 0, 64, 15,220, 61, 2, 33,142, 17,126, 61,202, 37, + 3,119,195, 46, 1, 58, 0, 64, 15,220, 61, 2, 44, 78, 44, 94, + 44, 86,235, 58, 0, 64, 15,220, 61, 2,205,213, 1, 58, 0, 64, + 15,220, 61, 2,120,254, 8,218,240, 6,254, 11,218,127, 12,202, + 3, 13,254, 12,202, 5, 2, 58, 0, 64, 15,220, 61, 2,120,254, + 24,218,145, 7,254, 28,218, 95, 13,202,149, 2, 58, 0, 64, 15, + 220, 61, 2,120,254,254,202,101, 15,254,255,202,255, 3,254,252, + 202,169, 4,254,253,202,190, 4, 58, 0, 64, 15,220, 61, 2,120, + 254, 40,218,120, 9,254, 44,218,188, 13, 58, 0, 64, 15,220, 61, + 2,120,254, 56,218,191, 7,254, 59,218,208, 14,202, 42, 15, 58, + 0, 64, 15,220, 61, 2,120,254, 72,218, 62, 8,254, 76,218, 83, + 14, 58, 0, 64, 15,220, 61, 2,120,254,248,218,203, 10, 58, 0, + 64, 15,220, 61, 2,195,255, 3, 58, 0, 64, 15,220, 61, 2, 44, + 194,234, 3, 36,194,234, 3, 38,128, 12, 58, 0, 64, 15,220, 61, + 2, 44,194,252, 3, 36,194,252, 3, 38,128, 12,195, 51, 3,205, + 15, 4,195, 46, 1,175, 50,255, 31,205, 15, 4,195,238, 0, 58, + 240, 31,230,253, 50,240, 31, 58, 0, 64, 15,220, 61, 2,205, 51, + 4, 58, 0, 64, 15,220, 61, 2,175, 50,141, 17, 33, 46, 1, 34, + 44, 1,201, 58,134, 17,183,204,169, 2, 6, 4, 17, 63, 17, 33, + 139, 17, 58, 0, 64, 15,220, 61, 2, 54, 0,123,214, 15, 95,126, + 183, 32, 2,175, 18, 58, 0, 64, 15,220, 61, 2, 29, 45, 16,226, + 6, 8, 17, 79, 17, 58, 0, 64, 15,220, 61, 2, 62,127, 18, 29, + 58, 0, 64, 15,220, 61, 2,126,183,194,154, 4, 5,120,205, 82, + 11, 58, 0, 64, 15,220, 61, 2,120,230, 4,253,111,120,230, 3, + 198,180,253,119, 0,253, 54, 1,192, 4, 45, 16,200, 33, 80, 17, + 62,192, 6, 8,119, 44, 16,252,201, 58, 0, 64, 15,220, 61, 2, + 235, 44, 78, 44, 94, 44, 86, 45, 45, 45,235,195, 51, 3, 58, 0, + 64, 15,220, 61, 2,235, 44,113, 44,115, 44,114, 45, 45, 45,235, + 195, 51, 3, 58, 0, 64, 15,220, 61, 2,205, 52, 6, 58, 0, 64, + 15,220, 61, 2, 58,240, 31,246, 1, 50,240, 31, 58, 0, 64, 15, + 220, 61, 2, 33,252, 31, 78, 44, 94, 44, 86, 58, 0, 64, 15,220, + 61, 2,175, 50,255, 31, 33,149, 17, 54, 1, 44, 54, 1, 44,113, + 44,115, 44,114, 58, 0, 64, 15,220, 61, 2, 33, 43, 5, 34, 34, + 1, 58, 0, 64, 15,220, 61, 2,195,238, 0, 58, 0, 64, 15,220, + 61, 2, 33,150, 17,126, 61,202, 62, 5,119,195, 36, 1, 58, 0, + 64, 15,220, 61, 2, 44, 78, 44, 94, 44, 86,235, 58, 0, 64, 15, + 220, 61, 2,205,213, 1, 58, 0, 64, 15,220, 61, 2,120,254, 8, + 218,234, 6,254, 11,218,121, 12,202,253, 12,254, 12,202,255, 1, + 58, 0, 64, 15,220, 61, 2,120,254, 24,218,139, 7,254, 28,218, + 89, 13,202,143, 2, 58, 0, 64, 15,220, 61, 2,120,254,254,202, + 95, 15,254,255,202,242, 5, 58, 0, 64, 15,220, 61, 2,120,254, + 40,218,114, 9,254, 44,218,150, 13, 58, 0, 64, 15,220, 61, 2, + 120,254, 56,218,185, 7,254, 59,218,202, 14,202, 36, 15, 58, 0, + 64, 15,220, 61, 2,120,254, 72,218, 56, 8,254, 76,218, 13, 14, + 58, 0, 64, 15,220, 61, 2,120,254,232,218, 32, 11,254,236,218, + 55, 15,202,182, 2, 58, 0, 64, 15,220, 61, 2,120,254,248,218, + 156, 10,205, 2, 6,195, 36, 1,175, 50,255, 31,205, 2, 6,195, + 238, 0, 58, 0, 64, 15,220, 61, 2, 58,240, 31,230,254, 50,240, + 31, 58, 0, 64, 15,220, 61, 2,175, 50,149, 17, 33, 36, 1, 34, + 34, 1, 58, 0, 64, 15,220, 61, 2,205, 52, 6, 58, 0, 64, 15, + 220, 61, 2,201, 58,134, 17,183,196,169, 2, 6, 4, 17,139, 17, + 58, 0, 64, 15,220, 61, 2, 26,183, 40, 64,175, 18, 58, 0, 64, + 15,220, 61, 2,120, 15, 15, 15, 15, 61, 38, 17,111, 78,214, 15, + 111,113, 58, 0, 64, 15,220, 61, 2,213,125,198, 8,111,198, 4, + 95, 84, 58, 0, 64, 15,220, 61, 2, 26,119, 44, 28, 26,119, 44, + 28, 26,119,209, 58, 0, 64, 15,220, 61, 2, 29, 16,178, 6, 8, + 58, 0, 64, 15,220, 61, 2, 26,183,202,221, 6,175, 18, 58, 0, + 64, 15,220, 61, 2, 5,120, 38, 17,198, 64,111,197,120, 70,205, + 181, 8,193, 58, 0, 64, 15,220, 61, 2,197,125,198, 8,111,120, + 70,205,232, 9,193,125,198, 8,111,120,230, 3,198,180,253,119, + 0,126,253,119, 1, 58, 0, 64, 15,220, 61, 2, 4, 58, 0, 64, + 15,220, 61, 2, 29, 5,194,144, 6,201,205, 14, 7,195, 76, 5, + 71, 58, 0, 64, 15,220, 61, 2,229,120,230, 7, 33,128, 17,133, + 111,126,225,183,194,234, 3,120,205, 14, 7,195, 51, 3,230, 7, + 221, 54, 0, 40,221,119, 1, 71, 8, 58, 0, 64, 15,220, 61, 2, + 120,230, 4, 15,253,111, 58, 0, 64, 15,220, 61, 2,205,213, 1, + 58, 0, 64, 15,220, 61, 2, 8,213,229, 87,230, 3,198,164, 95, + 58, 0, 64, 15,220, 61, 2, 38, 16,120,230, 31,198,144,111, 58, + 0, 64, 15,220, 61, 2,120,230,224, 15, 15, 71,126,176,253,115, + 0,253,119, 1, 58, 0, 64, 15,220, 61, 2,123,214, 4, 95, 45, + 126,253,115, 0,253,119, 1, 58, 0, 64, 15,220, 61, 2,122,246, + 240,221, 54, 0, 40,221,119, 1,225,209,201,205,175, 7,195, 76, + 5, 71, 58, 0, 64, 15,220, 61, 2,120,229,230, 7, 33,128, 17, + 133,111,126,225,183,194, 51, 3,120,205,175, 7,195, 51, 3,230, + 7,221, 54, 0, 40,221,119, 1,201,205,221, 7,195, 76, 5, 71, + 58, 0, 64, 15,220, 61, 2,120,229,230, 7, 33,128, 17,133,111, + 126,225,183,194,216, 3,120,205,221, 7,195, 51, 3,245, 71, 58, + 0, 64, 15,220, 61, 2,120,230, 4, 15,253,111, 58, 0, 64, 15, + 220, 61, 2,205,213, 1, 58, 0, 64, 15,220, 61, 2,241,213,230, + 7, 87,230, 3,198,164, 95, 58, 0, 64, 15,220, 61, 2,253,115, + 0,253,112, 1, 58, 0, 64, 15,220, 61, 2,205,213, 1, 58, 0, + 64, 15,220, 61, 2,123,214, 4, 95,253,115, 0,253,112, 1, 58, + 0, 64, 15,220, 61, 2,209,201,205,160, 8,195, 76, 5,230, 7, + 71, 58, 0, 64, 15,220, 61, 2,213,197,120, 17, 64, 17,131, 95, + 58, 0, 64, 15,220, 61, 2,205,213, 1, 58, 0, 64, 15,220, 61, + 2,120, 18,123,198, 8, 95,175, 18, 89,193, 75,209, 58, 0, 64, + 15,220, 61, 2,229,120, 38, 17,198,128,111,126,225,183,194, 51, + 3, 58, 0, 64, 15,220, 61, 2,120,229, 33, 64, 17,133,111, 70, + 225, 8, 58, 0, 64, 15,220, 61, 2, 8,205,181, 8,195, 51, 3, + 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arguments + if (argc != 3) { + fprintf(stderr, "Usage: %s <input> <output>\n", argv[0]); + return EXIT_FAILURE; + } + + // Open input file + FILE *file = fopen(argv[1], "rb"); + if (file == NULL) { + fputs("Error: couldn't open input file\n", stderr); + return EXIT_FAILURE; + } + + // Read the blob into memory and get its filesize + // Use ferror() to check for failure since most likely we will be + // attempting to read more data than is actually in the blob + blob_size = fread(blob, 1, MAX_SIZE, file); + if (ferror(file) && !feof(file)) { + fputs("Error: couldn't read input file\n", stderr); + fclose(file); + return EXIT_FAILURE; + } + + // Done with input file + fclose(file); + + // Open output file + file = fopen(argv[2], "w"); + if (file == NULL) { + fputs("Error: couldn't open output file\n", stderr); + return EXIT_FAILURE; + } + + // Start the table + fputs("static uint8_t echo_blob[] = {", file); + + // Output the blob data as a C array + // Pretty formatting too! + unsigned i; + for (i = 0; i < blob_size; i++) { + fprintf(file, "%s%3u%s", + i % 0x10 == 0 ? "\n " : "", blob[i], + i == blob_size-1 ? "" : ","); + } + + // End the table + fputs("\n};\n", file); + + // Check if there was an error (to output an error message) + if (ferror(file)) { + fputs("Error: couldn't write output file\n", stderr); + fclose(file); + return EXIT_FAILURE; + } + + // Done with output file + fclose(file); + + // Done + return EXIT_SUCCESS; +} |