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00048 #ifndef IOUTIL_H
00049 #define IOUTIL_H
00050
00051
00052 #include <stdlib.h>
00053 #include <stdio.h>
00054
00055
00056 #include "board.h"
00057 #include "hif.h"
00058 #include "timer.h"
00059
00060
00061
00062
00063
00072 typedef struct
00073 {
00075 void * next;
00077 uint8_t used;
00079 uint8_t len;
00081 uint8_t istart;
00083 uint8_t iend;
00085 uint8_t data[];
00086 } buffer_t;
00087
00088
00089 typedef struct
00090 {
00092 uint8_t nb;
00094 uint8_t elsz;
00096 uint8_t pool[];
00097 } buffer_pool_t;
00098
00101
00102
00103
00104
00108 #if defined(NO_LEDS) || defined (DOXYGEN)
00109 # undef LED_NUMBER
00110
00111 # define LED_NUMBER (0)
00112 #endif
00113
00114 #if defined(NO_LEDS) || defined (DOXYGEN)
00115
00116 # define LED_INIT() do{}while(0)
00117 #elif !defined(LED_INIT)
00118 # if LEDS_INVERSE == 0
00119 # define LED_INIT() LED_DDR |= (LED_MASK); LED_PORT &= ~(LED_MASK)
00120 # else
00121 # define LED_INIT() LED_DDR |= (LED_MASK); LED_PORT |= (LED_MASK)
00122 # endif
00123 #endif
00124
00125 #if defined(NO_LEDS) || defined (DOXYGEN)
00126
00131 # define LED_SET_VALUE(x) do{}while(0)
00132 #elif !defined(LED_SET_VALUE)
00133 # if LEDS_INVERSE == 0
00134 # define LED_SET_VALUE(x) \
00135 do {\
00136 LED_PORT = (LED_PORT & ~LED_MASK) | ((x<<LED_SHIFT) & LED_MASK);\
00137 }while(0)
00138 # else
00139 # define LED_SET_VALUE(x) do {\
00140 LED_PORT = (LED_PORT & ~LED_MASK) | ((~x<<LED_SHIFT) & LED_MASK);\
00141 }while(0)
00142 # endif
00143 #endif
00144
00145 #if defined(NO_LEDS) || defined (DOXYGEN)
00146
00147 # define LED_GET_VALUE() 0
00148 #elif !defined(LED_GET_VALUE)
00149 # if LEDS_INVERSE == 0
00150 # define LED_GET_VALUE() ((LED_PORT & LED_MASK) >> LED_SHIFT)
00151 # else
00152 # define LED_GET_VALUE() ((~LED_PORT & LED_MASK) >> LED_SHIFT)
00153 # endif
00154 #endif
00155
00156
00157 #if defined(NO_LEDS) || defined (DOXYGEN)
00158
00159 # define LED_SET(ln) do{}while(0)
00160 #elif !defined(LED_SET)
00161 # if LEDS_INVERSE == 0
00162 # define LED_SET(ln) LED_PORT |= (_BV(ln+LED_SHIFT) & LED_MASK)
00163 # else
00164 # define LED_SET(ln) LED_PORT &= ~(_BV(ln+LED_SHIFT) & LED_MASK)
00165 # endif
00166 #endif
00167
00168
00169 #if defined(NO_LEDS) || defined (DOXYGEN)
00170
00171 # define LED_CLR(ln) do{}while(0)
00172 #elif !defined(LED_CLR)
00173 # if LEDS_INVERSE == 0
00174 # define LED_CLR(ln) LED_PORT &= ~(_BV(ln+LED_SHIFT) & LED_MASK)
00175 # else
00176 # define LED_CLR(ln) LED_PORT |= (_BV(ln+LED_SHIFT) & LED_MASK)
00177 # endif
00178 #endif
00179
00180 #if defined(NO_LEDS) || defined (DOXYGEN)
00181
00182 # define LED_VAL(msk,val) do{}while(0)
00183 #elif !defined(LED_VAL)
00184 # if LEDS_INVERSE == 0
00185 # define LED_VAL(msk,val) LED_PORT |= ((LED_MASK|msk) << LED_SHIFT); \
00186 LED_PORT |= ~((val << LED_SHIFT)& (LED_MASK|(msk<<LED_SHIFT)) )
00187 # else
00188 # define LED_VAL(msk,val) LED_PORT &= ~(LED_MASK|(msk<<LED_SHIFT)); LED_PORT |= ~(val & (LED_MASK|msk))
00189
00190 # endif
00191 #endif
00192
00193 #if defined(NO_LEDS) || defined (DOXYGEN)
00194
00195 # define LED_TOGGLE(ln) do{}while(0)
00196 #elif !defined(LED_TOGGLE)
00197 # define LED_TOGGLE(ln) LED_PORT ^= (_BV(ln+LED_SHIFT) & LED_MASK)
00198 #endif
00199
00201 #define LED_MAX_VALUE ((1<<LED_NUMBER)-1)
00202
00206
00207
00212 #if defined(NO_KEYS) || defined (DOXYGEN)
00213
00214 # define KEY_INIT()
00215
00217 # define KEY_GET() (0)
00218
00219 #else
00220 # if PULLUP_KEYS != 0
00221 # define PULL_MASK (MASK_KEY)
00222 # else
00223 # define PULL_MASK (0)
00224 # endif
00225 # if !defined KEY_INIT
00226 # define KEY_INIT() do{PORT_KEY |= PULL_MASK; DDR_KEY &= ~(MASK_KEY); }while(0)
00227 # endif
00228 # if INVERSE_KEYS == 0
00229 # define KEY_GET()\
00230 ((PIN_KEY & MASK_KEY) >> SHIFT_KEY)
00231 # else
00232 # define KEY_GET()\
00233 ((~PIN_KEY & MASK_KEY) >> SHIFT_KEY)
00234 # endif
00235 #endif
00236
00237
00238
00243 static inline uint8_t keys_debounced(void)
00244 {
00245 static uint8_t key_state;
00246 static uint8_t ct0, ct1;
00247 uint8_t i;
00248
00249
00250
00251
00252
00253
00254 i = key_state ^ KEY_GET();
00255
00256
00257
00258
00259
00260
00261
00262 ct0 = ~( ct0 & i );
00263 ct1 = (ct0 ^ ct1) & i;
00264 i &= ct0 & ct1;
00265 key_state ^= i;
00266
00267
00268
00269
00270
00271
00272 return key_state & i;
00273
00274 }
00275
00280 static inline void trap_if_key_pressed(void)
00281 {
00282
00283 KEY_INIT();
00284 DELAY_MS(10);
00285 if (KEY_GET())
00286 {
00287 LED_INIT();
00288 while(1)
00289 {
00290 DELAY_MS(400);
00291 LED_SET(0);
00292 DELAY_MS(10);
00293 LED_CLR(0);
00294 }
00295 }
00296 }
00297
00300
00301 #if BOOT_LOADER_ADDRESS != 0
00302
00303 #define JUMP_BOOT_LOADER() \
00304 do {\
00305 void (*funcptr)( uint8_t flag ) = BOOT_LOADER_ADDRESS;\
00306 funcptr(42);\
00307 }while(0)
00308 #else
00309 #define JUMP_BOOT_LOADER()
00310 #endif
00311
00312
00313
00314
00315
00316 #ifdef __cplusplus
00317 extern "C" {
00318 #endif
00319
00323 #if 0
00324 #define BUFFER_SET_USED(b) do{ATOMIC_BLOCK(ATOMIC_FORCEON){b->used|=1}}while(0)
00325 #define BUFFER_SET_UNUSED(b) do{ATOMIC_BLOCK(ATOMIC_FORCEON){b->used&=~1}}while(0)
00326 #define BUFFER_IS_USED(b) ((b->used&1)!=0)
00327
00328 #define BUFFER_SET_LOCK(b) do{ATOMIC_BLOCK(ATOMIC_FORCEON){b->used|=2}}while(0)
00329 #define BUFFER_SET_UNLOCK(b) do{ATOMIC_BLOCK(ATOMIC_FORCEON){b->used&=~2}}while(0)
00330 #define BUFFER_IS_LOCKED(b) ((b->used&2)!=0)
00331 #endif
00332
00333 #define BUFFER_SET_USED(b) do{b->used|=1;}while(0)
00334 #define BUFFER_SET_UNUSED(b) do{b->used&=~1;}while(0)
00335 #define BUFFER_IS_USED(b) ((b->used&1)!=0)
00336
00337 #define BUFFER_SET_LOCK(b) do{b->used|=2;}while(0)
00338 #define BUFFER_SET_UNLOCK(b) do{b->used&=~2;}while(0)
00339 #define BUFFER_IS_LOCKED(b) ((b->used&2)!=0)
00340
00341
00342 #define BUFFER_SIZE(b) (b->iend - b->istart)
00343 #define BUFFER_PDATA(b) (b->data + b->istart)
00344 #define BUFFER_SEEK(b,offset) (b->data + (b->iend=offset))
00345
00346 #define BUFFER_GET_MEMBLOCK(b,pmem,size) \
00347 do{\
00348 b->used = 1;\
00349 pmem = (b->data + b->iend);\
00350 size = (b->len - b->iend);\
00351 }while(0)
00352
00353 #define BUFFER_UPDATE_MEMBLOCK(b,end) \
00354 do{\
00355 b->iend = end;\
00356 b->used = 0;\
00357 }while(0);
00358
00359 #define BUFFER_LAST_CHAR(b) \
00360 (b->iend <= b->istart) ? EOF : (char)b->data[b->iend-1]
00361 #define BUFFER_FREE_AT_END(b) (b->len - b->iend)
00362 #define BUFFER_FREE_AT_START(b) (b->istart)
00363 #define BUFFER_ELSZ(x) (sizeof(buffer_t) + (x))
00364 #define BUFFER_RESET(b,start) do{ b->iend = b->istart = start;}while(0)
00365 #define BUFFER_ADVANCE(b,more) do{ b->istart += more;}while(0)
00366
00368 buffer_t * buffer_init(void * pmem, uint8_t size, uint8_t start);
00370 int buffer_append_char(buffer_t *b, uint8_t c);
00372 int buffer_prepend_char(buffer_t *b, int c);
00374 int buffer_get_char(buffer_t *b);
00376 uint8_t buffer_append_block(buffer_t *b, void *pdata, uint8_t size);
00378 uint8_t buffer_prepend_block(buffer_t *b, void *pdata, uint8_t size);
00380 uint8_t buffer_get_block(buffer_t *b, void *pdata, uint8_t size);
00381
00382
00383 buffer_pool_t * buffer_pool_init(uint8_t *pmem, size_t memsz, uint8_t bsz);
00384 buffer_t * buffer_alloc(buffer_pool_t *ppool, uint8_t istart);
00385 void buffer_free(buffer_t * pbuf);
00386
00387
00388
00389
00390
00391
00392
00393 typedef struct
00394 {
00395 FILE bstream;
00396 buffer_t *pbufin;
00397 buffer_t *pbufout;
00398 void (*incb)(buffer_t *pbuf);
00399 void (*outcb)(buffer_t *pbuf);
00400 } buffer_stream_t;
00401
00402
00403
00404 int buffer_stream_init( buffer_stream_t *pbs,
00405 void (*incb)(buffer_t *pbuf),
00406 void (*outcb)(buffer_t *pbuf));
00407
00408 int buffer_stream_putchar(char c,FILE *f);
00409 int buffer_stream_getchar(FILE *f);
00410
00411
00412
00414 #ifdef __cplusplus
00415 }
00416 #endif
00417
00418 #endif
00419