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Added constructor parameter for frequency

pull/7774/head
Christopher Haster 2017-07-05 12:27:22 -05:00
parent b11b635775
commit 97248873a4
2 changed files with 3 additions and 3 deletions
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4
SDBlockDevice.cpp
View File

@ -232,7 +232,7 @@
#define SPI_READ_ERROR_ECC_C (0x1 << 2) /*!< Card ECC failed */ #define SPI_READ_ERROR_ECC_C (0x1 << 2) /*!< Card ECC failed */
#define SPI_READ_ERROR_OFR (0x1 << 3) /*!< Out of Range */ #define SPI_READ_ERROR_OFR (0x1 << 3) /*!< Out of Range */
SDBlockDevice::SDBlockDevice(PinName mosi, PinName miso, PinName sclk, PinName cs) SDBlockDevice::SDBlockDevice(PinName mosi, PinName miso, PinName sclk, PinName cs, uint64_t hz)
: _spi(mosi, miso, sclk), _cs(cs), _is_initialized(0) : _spi(mosi, miso, sclk), _cs(cs), _is_initialized(0)
{ {
_cs = 1; _cs = 1;
@ -240,7 +240,7 @@ SDBlockDevice::SDBlockDevice(PinName mosi, PinName miso, PinName sclk, PinName c
// Set default to 100kHz for initialisation and 1MHz for data transfer // Set default to 100kHz for initialisation and 1MHz for data transfer
_init_sck = 100000; _init_sck = 100000;
_transfer_sck = 1000000; _transfer_sck = hz;
// Only HC block size is supported. // Only HC block size is supported.
_block_size = BLOCK_SIZE_HC; _block_size = BLOCK_SIZE_HC;

2
SDBlockDevice.h
View File

@ -50,7 +50,7 @@ class SDBlockDevice : public BlockDevice {
public: public:
/** Lifetime of an SD card /** Lifetime of an SD card
*/ */
SDBlockDevice(PinName mosi, PinName miso, PinName sclk, PinName cs); SDBlockDevice(PinName mosi, PinName miso, PinName sclk, PinName cs, uint64_t hz=1000000);
virtual ~SDBlockDevice(); virtual ~SDBlockDevice();
/** Initialize a block device /** Initialize a block device