Ejemplo n.º 1
0
static void test_cmd52_read_write_single_byte(sdmmc_card_t* card)
{
    esp_err_t err;
    printf("Write bytes to slave's W0_REG using CMD52\n");
    const size_t scratch_area_reg = SLCHOST_CONF_W0 - DR_REG_SLCHOST_BASE;

    const uint8_t test_byte_1 = 0xa5;
    const uint8_t test_byte_2 = 0xb6;
    // used to check Read-After-Write
    uint8_t test_byte_1_raw;
    uint8_t test_byte_2_raw;
    uint8_t val = 0;
    err = sdmmc_io_write_byte(card, 1, scratch_area_reg, test_byte_1, &test_byte_1_raw);
    TEST_ESP_OK(err);
    TEST_ASSERT_EQUAL_UINT8(test_byte_1, test_byte_1_raw);
    err = sdmmc_io_write_byte(card, 1, scratch_area_reg + 1, test_byte_2, &test_byte_2_raw);
    TEST_ESP_OK(err);
    TEST_ASSERT_EQUAL_UINT8(test_byte_2, test_byte_2_raw);

    printf("Read back bytes using CMD52\n");
    TEST_ESP_OK(sdmmc_io_read_byte(card, 1, scratch_area_reg, &val));
    TEST_ASSERT_EQUAL_UINT8(test_byte_1, val);

    TEST_ESP_OK(sdmmc_io_read_byte(card, 1, scratch_area_reg + 1, &val));
    TEST_ASSERT_EQUAL_UINT8(test_byte_2, val);
}
Ejemplo n.º 2
0
static void test_cmd53_read_write_multiple_bytes(sdmmc_card_t* card, size_t n_bytes)
{
    printf("Write multiple bytes using CMD53\n");
    const size_t scratch_area_reg = SLCHOST_CONF_W0 - DR_REG_SLCHOST_BASE;

    uint8_t* src = heap_caps_malloc(512, MALLOC_CAP_DMA);
    uint32_t* src_32 = (uint32_t*) src;

    for (size_t i = 0; i < (n_bytes + 3) / 4; ++i) {
        src_32[i] = rand();
    }

    TEST_ESP_OK(sdmmc_io_write_bytes(card, 1, scratch_area_reg, src, n_bytes));
    ESP_LOG_BUFFER_HEX(TAG, src, n_bytes);

    printf("Read back using CMD52\n");
    uint8_t* dst = heap_caps_malloc(512, MALLOC_CAP_DMA);
    for (size_t i = 0; i < n_bytes; ++i) {
        TEST_ESP_OK(sdmmc_io_read_byte(card, 1, scratch_area_reg + i, &dst[i]));
    }
    ESP_LOG_BUFFER_HEX(TAG, dst, n_bytes);
    TEST_ASSERT_EQUAL_UINT8_ARRAY(src, dst, n_bytes);

    printf("Read back using CMD53\n");
    TEST_ESP_OK(sdmmc_io_read_bytes(card, 1, scratch_area_reg, dst, n_bytes));
    ESP_LOG_BUFFER_HEX(TAG, dst, n_bytes);
    TEST_ASSERT_EQUAL_UINT8_ARRAY(src, dst, n_bytes);

    free(src);
    free(dst);
}
Ejemplo n.º 3
0
/** Common for all SDIO devices, set block size for specific function */
static void sdio_slave_set_blocksize(sdmmc_card_t* card, int function, uint16_t bs)
{
    const uint8_t* bs_u8 = (const uint8_t*) &bs;
    uint16_t bs_read = 0;
    uint8_t* bs_read_u8 = (uint8_t*) &bs_read;
    uint32_t offset = SD_IO_FBR_START * function;
    TEST_ESP_OK( sdmmc_io_write_byte(card, 0, offset + SD_IO_CCCR_BLKSIZEL, bs_u8[0], NULL));
    TEST_ESP_OK( sdmmc_io_write_byte(card, 0, offset + SD_IO_CCCR_BLKSIZEH, bs_u8[1], NULL));
    TEST_ESP_OK( sdmmc_io_read_byte(card, 0, offset + SD_IO_CCCR_BLKSIZEL, &bs_read_u8[0]));
    TEST_ESP_OK( sdmmc_io_read_byte(card, 0, offset + SD_IO_CCCR_BLKSIZEH, &bs_read_u8[1]));
    TEST_ASSERT_EQUAL_HEX16(bs, bs_read);
}
Ejemplo n.º 4
0
/**
 * ESP32 ROM code does not set some SDIO slave registers to the defaults
 * we need, this function clears/sets some bits.
 */
static void esp32_slave_init_extra(sdmmc_card_t* card)
{
    printf("Initialize some ESP32 SDIO slave registers\n");

    uint32_t reg_val;
    TEST_ESP_OK( slave_slc_reg_read(card, SLCCONF1, &reg_val) );
    reg_val &= ~(SLC_SLC0_RX_STITCH_EN | SLC_SLC0_TX_STITCH_EN);
    TEST_ESP_OK( slave_slc_reg_write(card, SLCCONF1, reg_val) );

    TEST_ESP_OK( slave_slc_reg_read(card, SLC0TX_LINK, &reg_val) );
    reg_val |= SLC_SLC0_TXLINK_START;
    TEST_ESP_OK( slave_slc_reg_write(card, SLC0TX_LINK, reg_val) );
}
Ejemplo n.º 5
0
static void test_setup(void)
{
    sdmmc_host_t host = SDMMC_HOST_DEFAULT();
    sdmmc_slot_config_t slot_config = SDMMC_SLOT_CONFIG_DEFAULT();
    esp_vfs_fat_sdmmc_mount_config_t mount_config = {
        .format_if_mount_failed = true,
        .max_files = 5
    };
    TEST_ESP_OK(esp_vfs_fat_sdmmc_mount("/sdcard", &host, &slot_config, &mount_config, NULL));
}

static void test_teardown(void)
{
    TEST_ESP_OK(esp_vfs_fat_sdmmc_unmount());
}
Ejemplo n.º 6
0
/**
 * ESP32 bootloader implements "SIP" protocol which can be used to exchange
 * some commands, events, and data packets between the host and the slave.
 * This function sends a SIP command, testing CMD53 block writes along the way.
 */
static void esp32_send_sip_command(sdmmc_card_t* card)
{
    printf("Test block write using CMD53\n");
    const size_t block_size = 512;
    uint8_t* data = heap_caps_calloc(1, block_size, MALLOC_CAP_DMA);
    struct sip_cmd_bootup {
            uint32_t boot_addr;
            uint32_t discard_link;
    };
    struct sip_cmd_write_reg {
            uint32_t addr;
            uint32_t val;
    };
    struct sip_hdr {
            uint8_t fc[2];
            uint16_t len;
            uint32_t cmdid;
            uint32_t seq;
    };

    struct sip_hdr* hdr = (struct sip_hdr*) data;
    size_t len;

#define SEND_WRITE_REG_CMD

#ifdef SEND_WRITE_REG_CMD
    struct sip_cmd_write_reg *write_reg = (struct sip_cmd_write_reg*) (data + sizeof(*hdr));
    len = sizeof(*hdr) + sizeof(*write_reg);
    hdr->cmdid = 3; /* SIP_CMD_WRITE_REG */
    write_reg->addr = GPIO_ENABLE_W1TS_REG;
    write_reg->val = BIT(0) | BIT(2) | BIT(4); /* Turn of RGB LEDs on WROVER-KIT */
#else
    struct sip_cmd_bootup *bootup = (struct sip_cmd_bootup*) (data + sizeof(*hdr));
    len = sizeof(*hdr) + sizeof(*bootup);
    hdr->cmdid = 5; /* SIP_CMD_BOOTUP */
    bootup->boot_addr = 0x4005a980; /* start_tb_console function in ROM */
    bootup->discard_link = 1;
#endif
    hdr->len = len;

    TEST_ESP_OK( sdmmc_io_write_blocks(card, 1, SLC_THRESHOLD_ADDR - len, data, block_size) );
    free(data);
}
Ejemplo n.º 7
0
/** Reset and put slave into download mode */
static void reset_slave()
{
    const int pin_en = 18;
    const int pin_io0 = 19;
    gpio_config_t gpio_cfg = {
            .pin_bit_mask = BIT(pin_en) | BIT(pin_io0),
            .mode = GPIO_MODE_OUTPUT_OD,
    };
    TEST_ESP_OK(gpio_config(&gpio_cfg));
    gpio_set_level(pin_en, 0);
    gpio_set_level(pin_io0, 0);
    vTaskDelay(10 / portTICK_PERIOD_MS);
    gpio_set_level(pin_en, 1);
    vTaskDelay(10 / portTICK_PERIOD_MS);
    gpio_set_level(pin_io0, 1);
}

static void sdio_slave_common_init(sdmmc_card_t* card)
{
    uint8_t card_cap;
    esp_err_t err = sdmmc_io_read_byte(card, 0, SD_IO_CCCR_CARD_CAP, &card_cap);
    TEST_ESP_OK(err);
    printf("CAP: 0x%02x\n", card_cap);

    uint8_t hs;
    err = sdmmc_io_read_byte(card, 0, SD_IO_CCCR_HIGHSPEED, &hs);
    TEST_ESP_OK(err);
    printf("HS: 0x%02x\n", hs);


#define FUNC1_EN_MASK   (BIT(1))

    uint8_t ioe;
    err = sdmmc_io_read_byte(card, 0, SD_IO_CCCR_FN_ENABLE, &ioe);
    TEST_ESP_OK(err);
    printf("IOE: 0x%02x\n", ioe);

    uint8_t ior = 0;
    err = sdmmc_io_read_byte(card, 0, SD_IO_CCCR_FN_READY, &ior);
    TEST_ESP_OK(err);
    printf("IOR: 0x%02x\n", ior);

    // enable function 1
    ioe |= FUNC1_EN_MASK;
    err = sdmmc_io_write_byte(card, 0, SD_IO_CCCR_FN_ENABLE, ioe, NULL);
    TEST_ESP_OK(err);

    err = sdmmc_io_read_byte(card, 0, SD_IO_CCCR_FN_ENABLE, &ioe);
    TEST_ESP_OK(err);
    printf("IOE: 0x%02x\n", ioe);

    // wait for the card to become ready
    while ( (ior & FUNC1_EN_MASK) == 0 ) {
        err = sdmmc_io_read_byte(card, 0, SD_IO_CCCR_FN_READY, &ior);
        TEST_ESP_OK(err);
        printf("IOR: 0x%02x\n", ior);
    }

    // get interrupt status
    uint8_t ie;
    err = sdmmc_io_read_byte(card, 0, SD_IO_CCCR_INT_ENABLE, &ie);
    TEST_ESP_OK(err);
    printf("IE: 0x%02x\n", ie);

    // enable interrupts for function 1&2 and master enable
    ie |= BIT(0) | FUNC1_EN_MASK;
    err = sdmmc_io_write_byte(card, 0, SD_IO_CCCR_INT_ENABLE, ie, NULL);
    TEST_ESP_OK(err);

    err = sdmmc_io_read_byte(card, 0, SD_IO_CCCR_INT_ENABLE, &ie);
    TEST_ESP_OK(err);
    printf("IE: 0x%02x\n", ie);
}