sdcard.c 16.8 KB
Newer Older
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
/*
 * This file is part of the Micro Python project, http://micropython.org/
 *
 * The MIT License (MIT)
 *
 * Copyright (c) 2013, 2014 Damien P. George
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

27
28
#include <string.h>

29
30
#include "py/nlr.h"
#include "py/runtime.h"
31
32
#include "lib/fatfs/ff.h"
#include "extmod/fsusermount.h"
33
#include "mphalport.h"
34

Damien George's avatar
Damien George committed
35
#include "sdcard.h"
36
#include "pin.h"
37
#include "genhdr/pins.h"
38
#include "bufhelper.h"
39
40
#include "dma.h"
#include "irq.h"
Damien George's avatar
Damien George committed
41

42
#if MICROPY_HW_HAS_SDCARD
Damien George's avatar
Damien George committed
43

dpslwk's avatar
dpslwk committed
44
#if defined(MCU_SERIES_F7) || defined(MCU_SERIES_L4)
45

dpslwk's avatar
dpslwk committed
46
// The F7 & L4 series calls the peripheral SDMMC rather than SDIO, so provide some
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
// #defines for backwards compatability.

#define SDIO    SDMMC1

#define SDIO_CLOCK_EDGE_RISING              SDMMC_CLOCK_EDGE_RISING
#define SDIO_CLOCK_EDGE_FALLING             SDMMC_CLOCK_EDGE_FALLING

#define SDIO_CLOCK_BYPASS_DISABLE           SDMMC_CLOCK_BYPASS_DISABLE
#define SDIO_CLOCK_BYPASS_ENABLE            SDMMC_CLOCK_BYPASS_ENABLE

#define SDIO_CLOCK_POWER_SAVE_DISABLE       SDMMC_CLOCK_POWER_SAVE_DISABLE
#define SDIO_CLOCK_POWER_SAVE_ENABLE        SDMMC_CLOCK_POWER_SAVE_ENABLE

#define SDIO_BUS_WIDE_1B                    SDMMC_BUS_WIDE_1B
#define SDIO_BUS_WIDE_4B                    SDMMC_BUS_WIDE_4B
#define SDIO_BUS_WIDE_8B                    SDMMC_BUS_WIDE_8B

#define SDIO_HARDWARE_FLOW_CONTROL_DISABLE  SDMMC_HARDWARE_FLOW_CONTROL_DISABLE
#define SDIO_HARDWARE_FLOW_CONTROL_ENABLE   SDMMC_HARDWARE_FLOW_CONTROL_ENABLE

#define SDIO_TRANSFER_CLK_DIV               SDMMC_TRANSFER_CLK_DIV

#endif

71
72
73
74
75
76
// TODO: Since SDIO is fundamentally half-duplex, we really only need to
//       tie up one DMA channel. However, the HAL DMA API doesn't
// seem to provide a convenient way to change the direction. I believe that
// its as simple as changing the CR register and the Init.Direction field
// and make DMA_SetConfig public.

77
78
79
// TODO: I think that as an optimization, we can allocate these dynamically
//       if an sd card is detected. This will save approx 260 bytes of RAM
//       when no sdcard was being used.
80
static SD_HandleTypeDef sd_handle;
81
static DMA_HandleTypeDef sd_rx_dma, sd_tx_dma;
82

Damien George's avatar
Damien George committed
83
84
85
86
87
88
89
void sdcard_init(void) {
    // invalidate the sd_handle
    sd_handle.Instance = NULL;

    // configure SD GPIO
    // we do this here an not in HAL_SD_MspInit because it apparently
    // makes it more robust to have the pins always pulled high
90
91
92
93
94
95
96
97
98
    // Note: the mp_hal_pin_config function will configure the GPIO in
    // fast mode which can do up to 50MHz.  This should be plenty for SDIO
    // which clocks up to 25MHz maximum.
    mp_hal_pin_config(&pin_C8, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_UP, GPIO_AF12_SDIO);
    mp_hal_pin_config(&pin_C9, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_UP, GPIO_AF12_SDIO);
    mp_hal_pin_config(&pin_C10, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_UP, GPIO_AF12_SDIO);
    mp_hal_pin_config(&pin_C11, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_UP, GPIO_AF12_SDIO);
    mp_hal_pin_config(&pin_C12, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_UP, GPIO_AF12_SDIO);
    mp_hal_pin_config(&pin_D2, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_UP, GPIO_AF12_SDIO);
Damien George's avatar
Damien George committed
99
100
101

    // configure the SD card detect pin
    // we do this here so we can detect if the SD card is inserted before powering it on
102
    mp_hal_pin_config(&MICROPY_HW_SDCARD_DETECT_PIN, MP_HAL_PIN_MODE_INPUT, MICROPY_HW_SDCARD_DETECT_PULL, 0);
Damien George's avatar
Damien George committed
103
104
105
106
107
108
}

void HAL_SD_MspInit(SD_HandleTypeDef *hsd) {
    // enable SDIO clock
    __SDIO_CLK_ENABLE();

109
110
111
112
113
    // NVIC configuration for SDIO interrupts
    HAL_NVIC_SetPriority(SDIO_IRQn, IRQ_PRI_SDIO, IRQ_SUBPRI_SDIO);
    HAL_NVIC_EnableIRQ(SDIO_IRQn);

    // GPIO have already been initialised by sdcard_init
Damien George's avatar
Damien George committed
114
115
116
}

void HAL_SD_MspDeInit(SD_HandleTypeDef *hsd) {
117
    HAL_NVIC_DisableIRQ(SDIO_IRQn);
Damien George's avatar
Damien George committed
118
119
120
121
    __SDIO_CLK_DISABLE();
}

bool sdcard_is_present(void) {
122
    return HAL_GPIO_ReadPin(MICROPY_HW_SDCARD_DETECT_PIN.gpio, MICROPY_HW_SDCARD_DETECT_PIN.pin_mask) == MICROPY_HW_SDCARD_DETECT_PRESENT;
Damien George's avatar
Damien George committed
123
124
125
126
127
128
}

bool sdcard_power_on(void) {
    if (!sdcard_is_present()) {
        return false;
    }
129
130
131
    if (sd_handle.Instance) {
        return true;
    }
Damien George's avatar
Damien George committed
132
133
134
135
136

    // SD device interface configuration
    sd_handle.Instance = SDIO;
    sd_handle.Init.ClockEdge           = SDIO_CLOCK_EDGE_RISING;
    sd_handle.Init.ClockBypass         = SDIO_CLOCK_BYPASS_DISABLE;
137
    sd_handle.Init.ClockPowerSave      = SDIO_CLOCK_POWER_SAVE_ENABLE;
Damien George's avatar
Damien George committed
138
139
140
141
    sd_handle.Init.BusWide             = SDIO_BUS_WIDE_1B;
    sd_handle.Init.HardwareFlowControl = SDIO_HARDWARE_FLOW_CONTROL_DISABLE;
    sd_handle.Init.ClockDiv            = SDIO_TRANSFER_CLK_DIV;

142
    // init the SD interface, with retry if it's not ready yet
Damien George's avatar
Damien George committed
143
    HAL_SD_CardInfoTypedef cardinfo;
144
145
146
147
148
    for (int retry = 10; HAL_SD_Init(&sd_handle, &cardinfo) != SD_OK; retry--) {
        if (retry == 0) {
            goto error;
        }
        HAL_Delay(50);
Damien George's avatar
Damien George committed
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
    }

    // configure the SD bus width for wide operation
    if (HAL_SD_WideBusOperation_Config(&sd_handle, SDIO_BUS_WIDE_4B) != SD_OK) {
        HAL_SD_DeInit(&sd_handle);
        goto error;
    }

    return true;

error:
    sd_handle.Instance = NULL;
    return false;
}

void sdcard_power_off(void) {
165
166
167
168
    if (!sd_handle.Instance) {
        return;
    }
    HAL_SD_DeInit(&sd_handle); 
Damien George's avatar
Damien George committed
169
170
171
172
173
174
175
176
177
178
179
180
    sd_handle.Instance = NULL;
}

uint64_t sdcard_get_capacity_in_bytes(void) {
    if (sd_handle.Instance == NULL) {
        return 0;
    }
    HAL_SD_CardInfoTypedef cardinfo;
    HAL_SD_Get_CardInfo(&sd_handle, &cardinfo);
    return cardinfo.CardCapacity;
}

181
void SDIO_IRQHandler(void) {
182
    IRQ_ENTER(SDIO_IRQn);
183
    HAL_SD_IRQHandler(&sd_handle);
184
    IRQ_EXIT(SDIO_IRQn);
185
186
}

187
mp_uint_t sdcard_read_blocks(uint8_t *dest, uint32_t block_num, uint32_t num_blocks) {
Damien George's avatar
Damien George committed
188
189
    // check that SD card is initialised
    if (sd_handle.Instance == NULL) {
190
        return SD_ERROR;
Damien George's avatar
Damien George committed
191
192
    }

193
    HAL_SD_ErrorTypedef err = SD_OK;
194

195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
    // check that dest pointer is aligned on a 4-byte boundary
    uint8_t *orig_dest = NULL;
    uint32_t saved_word;
    if (((uint32_t)dest & 3) != 0) {
        // Pointer is not aligned so it needs fixing.
        // We could allocate a temporary block of RAM (as sdcard_write_blocks
        // does) but instead we are going to use the dest buffer inplace.  We
        // are going to align the pointer, save the initial word at the aligned
        // location, read into the aligned memory, move the memory back to the
        // unaligned location, then restore the initial bytes at the aligned
        // location.  We should have no trouble doing this as those initial
        // bytes at the aligned location should be able to be changed for the
        // duration of this function call.
        orig_dest = dest;
        dest = (uint8_t*)((uint32_t)dest & ~3);
        saved_word = *(uint32_t*)dest;
    }

213
    if (query_irq() == IRQ_STATE_ENABLED) {
214
215
216
        // we must disable USB irqs to prevent MSC contention with SD card
        uint32_t basepri = raise_irq_pri(IRQ_PRI_OTG_FS);

217
        dma_init(&sd_rx_dma, &dma_SDIO_0_RX, &sd_handle);
218
        sd_handle.hdmarx = &sd_rx_dma;
Damien George's avatar
Damien George committed
219

220
221
222
223
        // make sure cache is flushed and invalidated so when DMA updates the RAM
        // from reading the peripheral the CPU then reads the new data
        MP_HAL_CLEANINVALIDATE_DCACHE(dest, num_blocks * SDCARD_BLOCK_SIZE);

224
225
226
227
228
        err = HAL_SD_ReadBlocks_BlockNumber_DMA(&sd_handle, (uint32_t*)dest, block_num, SDCARD_BLOCK_SIZE, num_blocks);
        if (err == SD_OK) {
            // wait for DMA transfer to finish, with a large timeout
            err = HAL_SD_CheckReadOperation(&sd_handle, 100000000);
        }
Damien George's avatar
Damien George committed
229

230
        dma_deinit(&dma_SDIO_0_RX);
231
        sd_handle.hdmarx = NULL;
232
233

        restore_irq_pri(basepri);
234
235
    } else {
        err = HAL_SD_ReadBlocks_BlockNumber(&sd_handle, (uint32_t*)dest, block_num, SDCARD_BLOCK_SIZE, num_blocks);
Damien George's avatar
Damien George committed
236
237
    }

238
239
240
241
242
243
    if (orig_dest != NULL) {
        // move the read data to the non-aligned position, and restore the initial bytes
        memmove(orig_dest, dest, num_blocks * SDCARD_BLOCK_SIZE);
        memcpy(dest, &saved_word, orig_dest - dest);
    }

244
    return err;
Damien George's avatar
Damien George committed
245
246
}

247
mp_uint_t sdcard_write_blocks(const uint8_t *src, uint32_t block_num, uint32_t num_blocks) {
Damien George's avatar
Damien George committed
248
249
    // check that SD card is initialised
    if (sd_handle.Instance == NULL) {
250
        return SD_ERROR;
Damien George's avatar
Damien George committed
251
252
    }

253
    HAL_SD_ErrorTypedef err = SD_OK;
Damien George's avatar
Damien George committed
254

255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
    // check that src pointer is aligned on a 4-byte boundary
    if (((uint32_t)src & 3) != 0) {
        // pointer is not aligned, so allocate a temporary block to do the write
        uint8_t *src_aligned = m_new_maybe(uint8_t, SDCARD_BLOCK_SIZE);
        if (src_aligned == NULL) {
            return SD_ERROR;
        }
        for (size_t i = 0; i < num_blocks; ++i) {
            memcpy(src_aligned, src + i * SDCARD_BLOCK_SIZE, SDCARD_BLOCK_SIZE);
            err = sdcard_write_blocks(src_aligned, block_num + i, 1);
            if (err != SD_OK) {
                break;
            }
        }
        m_del(uint8_t, src_aligned, SDCARD_BLOCK_SIZE);
        return err;
    }

273
    if (query_irq() == IRQ_STATE_ENABLED) {
274
275
        // we must disable USB irqs to prevent MSC contention with SD card
        uint32_t basepri = raise_irq_pri(IRQ_PRI_OTG_FS);
276
277

        dma_init(&sd_tx_dma, &dma_SDIO_0_TX, &sd_handle);
278
        sd_handle.hdmatx = &sd_tx_dma;
Damien George's avatar
Damien George committed
279

280
281
282
        // make sure cache is flushed to RAM so the DMA can read the correct data
        MP_HAL_CLEAN_DCACHE(src, num_blocks * SDCARD_BLOCK_SIZE);

283
284
285
286
287
        err = HAL_SD_WriteBlocks_BlockNumber_DMA(&sd_handle, (uint32_t*)src, block_num, SDCARD_BLOCK_SIZE, num_blocks);
        if (err == SD_OK) {
            // wait for DMA transfer to finish, with a large timeout
            err = HAL_SD_CheckWriteOperation(&sd_handle, 100000000);
        }
288
        dma_deinit(&dma_SDIO_0_TX);
289
        sd_handle.hdmatx = NULL;
290
291

        restore_irq_pri(basepri);
292
293
    } else {
        err = HAL_SD_WriteBlocks_BlockNumber(&sd_handle, (uint32_t*)src, block_num, SDCARD_BLOCK_SIZE, num_blocks);
Damien George's avatar
Damien George committed
294
295
    }

296
    return err;
Damien George's avatar
Damien George committed
297
298
299
300
}

/******************************************************************************/
// Micro Python bindings
301
//
302
303
304
305
306
307
308
309
310
311
312
313
// Expose the SD card as an object with the block protocol.

// there is a singleton SDCard object
const mp_obj_base_t pyb_sdcard_obj = {&pyb_sdcard_type};

STATIC mp_obj_t pyb_sdcard_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args) {
    // check arguments
    mp_arg_check_num(n_args, n_kw, 0, 0, false);

    // return singleton object
    return (mp_obj_t)&pyb_sdcard_obj;
}
Damien George's avatar
Damien George committed
314

315
STATIC mp_obj_t sd_present(mp_obj_t self) {
316
    return mp_obj_new_bool(sdcard_is_present());
Damien George's avatar
Damien George committed
317
}
318
STATIC MP_DEFINE_CONST_FUN_OBJ_1(sd_present_obj, sd_present);
Damien George's avatar
Damien George committed
319

320
STATIC mp_obj_t sd_power(mp_obj_t self, mp_obj_t state) {
Damien George's avatar
Damien George committed
321
    bool result;
Damien George's avatar
Damien George committed
322
    if (mp_obj_is_true(state)) {
Damien George's avatar
Damien George committed
323
324
325
326
327
        result = sdcard_power_on();
    } else {
        sdcard_power_off();
        result = true;
    }
328
    return mp_obj_new_bool(result);
Damien George's avatar
Damien George committed
329
}
330
STATIC MP_DEFINE_CONST_FUN_OBJ_2(sd_power_obj, sd_power);
Damien George's avatar
Damien George committed
331

332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
STATIC mp_obj_t sd_info(mp_obj_t self) {
    if (sd_handle.Instance == NULL) {
        return mp_const_none;
    }
    HAL_SD_CardInfoTypedef cardinfo;
    HAL_SD_Get_CardInfo(&sd_handle, &cardinfo);
    // cardinfo.SD_csd and cardinfo.SD_cid have lots of info but we don't use them
    mp_obj_t tuple[3] = {
        mp_obj_new_int_from_ull(cardinfo.CardCapacity),
        mp_obj_new_int_from_uint(cardinfo.CardBlockSize),
        mp_obj_new_int(cardinfo.CardType),
    };
    return mp_obj_new_tuple(3, tuple);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(sd_info_obj, sd_info);
Damien George's avatar
Damien George committed
347

348
// now obsolete, kept for backwards compatibility
349
STATIC mp_obj_t sd_read(mp_obj_t self, mp_obj_t block_num) {
Damien George's avatar
Damien George committed
350
    uint8_t *dest = m_new(uint8_t, SDCARD_BLOCK_SIZE);
351
352
353
    mp_uint_t ret = sdcard_read_blocks(dest, mp_obj_get_int(block_num), 1);

    if (ret != 0) {
354
        m_del(uint8_t, dest, SDCARD_BLOCK_SIZE);
355
        nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_Exception, "sdcard_read_blocks failed [%u]", ret));
Damien George's avatar
Damien George committed
356
    }
357

Damien George's avatar
Damien George committed
358
359
    return mp_obj_new_bytearray_by_ref(SDCARD_BLOCK_SIZE, dest);
}
360
STATIC MP_DEFINE_CONST_FUN_OBJ_2(sd_read_obj, sd_read);
Damien George's avatar
Damien George committed
361

362
// now obsolete, kept for backwards compatibility
363
STATIC mp_obj_t sd_write(mp_obj_t self, mp_obj_t block_num, mp_obj_t data) {
364
    mp_buffer_info_t bufinfo;
365
    mp_get_buffer_raise(data, &bufinfo, MP_BUFFER_READ);
366
    if (bufinfo.len % SDCARD_BLOCK_SIZE != 0) {
367
        nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError, "writes must be a multiple of %d bytes", SDCARD_BLOCK_SIZE));
368
369
    }

370
371
372
373
    mp_uint_t ret = sdcard_write_blocks(bufinfo.buf, mp_obj_get_int(block_num), bufinfo.len / SDCARD_BLOCK_SIZE);

    if (ret != 0) {
        nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_Exception, "sdcard_write_blocks failed [%u]", ret));
374
    }
375

376
377
    return mp_const_none;
}
378
STATIC MP_DEFINE_CONST_FUN_OBJ_3(sd_write_obj, sd_write);
379

380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
STATIC mp_obj_t pyb_sdcard_readblocks(mp_obj_t self, mp_obj_t block_num, mp_obj_t buf) {
    mp_buffer_info_t bufinfo;
    mp_get_buffer_raise(buf, &bufinfo, MP_BUFFER_WRITE);
    mp_uint_t ret = sdcard_read_blocks(bufinfo.buf, mp_obj_get_int(block_num), bufinfo.len / SDCARD_BLOCK_SIZE);
    return mp_obj_new_bool(ret == 0);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_3(pyb_sdcard_readblocks_obj, pyb_sdcard_readblocks);

STATIC mp_obj_t pyb_sdcard_writeblocks(mp_obj_t self, mp_obj_t block_num, mp_obj_t buf) {
    mp_buffer_info_t bufinfo;
    mp_get_buffer_raise(buf, &bufinfo, MP_BUFFER_READ);
    mp_uint_t ret = sdcard_write_blocks(bufinfo.buf, mp_obj_get_int(block_num), bufinfo.len / SDCARD_BLOCK_SIZE);
    return mp_obj_new_bool(ret == 0);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_3(pyb_sdcard_writeblocks_obj, pyb_sdcard_writeblocks);

STATIC mp_obj_t pyb_sdcard_ioctl(mp_obj_t self, mp_obj_t cmd_in, mp_obj_t arg_in) {
    mp_int_t cmd = mp_obj_get_int(cmd_in);
    switch (cmd) {
399
        case BP_IOCTL_INIT:
400
401
402
403
404
            if (!sdcard_power_on()) {
                return MP_OBJ_NEW_SMALL_INT(-1); // error
            }
            return MP_OBJ_NEW_SMALL_INT(0); // success

405
        case BP_IOCTL_DEINIT:
406
407
408
            sdcard_power_off();
            return MP_OBJ_NEW_SMALL_INT(0); // success

409
        case BP_IOCTL_SYNC:
410
411
412
            // nothing to do
            return MP_OBJ_NEW_SMALL_INT(0); // success

413
        case BP_IOCTL_SEC_COUNT:
414
415
            return MP_OBJ_NEW_SMALL_INT(0); // TODO

416
        case BP_IOCTL_SEC_SIZE:
417
418
419
420
421
422
423
424
425
            return MP_OBJ_NEW_SMALL_INT(SDCARD_BLOCK_SIZE);

        default: // unknown command
            return MP_OBJ_NEW_SMALL_INT(-1); // error
    }
}
STATIC MP_DEFINE_CONST_FUN_OBJ_3(pyb_sdcard_ioctl_obj, pyb_sdcard_ioctl);

STATIC const mp_map_elem_t pyb_sdcard_locals_dict_table[] = {
426
427
    { MP_OBJ_NEW_QSTR(MP_QSTR_present), (mp_obj_t)&sd_present_obj },
    { MP_OBJ_NEW_QSTR(MP_QSTR_power), (mp_obj_t)&sd_power_obj },
428
    { MP_OBJ_NEW_QSTR(MP_QSTR_info), (mp_obj_t)&sd_info_obj },
429
    { MP_OBJ_NEW_QSTR(MP_QSTR_read), (mp_obj_t)&sd_read_obj },
430
    { MP_OBJ_NEW_QSTR(MP_QSTR_write), (mp_obj_t)&sd_write_obj },
431
432
433
434
    // block device protocol
    { MP_OBJ_NEW_QSTR(MP_QSTR_readblocks), (mp_obj_t)&pyb_sdcard_readblocks_obj },
    { MP_OBJ_NEW_QSTR(MP_QSTR_writeblocks), (mp_obj_t)&pyb_sdcard_writeblocks_obj },
    { MP_OBJ_NEW_QSTR(MP_QSTR_ioctl), (mp_obj_t)&pyb_sdcard_ioctl_obj },
Damien George's avatar
Damien George committed
435
436
};

437
STATIC MP_DEFINE_CONST_DICT(pyb_sdcard_locals_dict, pyb_sdcard_locals_dict_table);
438

439
const mp_obj_type_t pyb_sdcard_type = {
Damien George's avatar
Damien George committed
440
    { &mp_type_type },
441
442
443
    .name = MP_QSTR_SDCard,
    .make_new = pyb_sdcard_make_new,
    .locals_dict = (mp_obj_t)&pyb_sdcard_locals_dict,
Damien George's avatar
Damien George committed
444
445
};

446
447
448
449
450
451
452
453
454
455
456
457
void sdcard_init_vfs(fs_user_mount_t *vfs) {
    vfs->flags |= FSUSER_NATIVE | FSUSER_HAVE_IOCTL;
    vfs->readblocks[0] = (mp_obj_t)&pyb_sdcard_readblocks_obj;
    vfs->readblocks[1] = (mp_obj_t)&pyb_sdcard_obj;
    vfs->readblocks[2] = (mp_obj_t)sdcard_read_blocks; // native version
    vfs->writeblocks[0] = (mp_obj_t)&pyb_sdcard_writeblocks_obj;
    vfs->writeblocks[1] = (mp_obj_t)&pyb_sdcard_obj;
    vfs->writeblocks[2] = (mp_obj_t)sdcard_write_blocks; // native version
    vfs->u.ioctl[0] = (mp_obj_t)&pyb_sdcard_ioctl_obj;
    vfs->u.ioctl[1] = (mp_obj_t)&pyb_sdcard_obj;
}

458
#endif // MICROPY_HW_HAS_SDCARD