Cypress F-RAM FM25W256 library
Dependents: Hello-FM25W256 Hello-FM25W256
Diff: FM25W256.h
- Revision:
- 2:4939ff09bf12
- Parent:
- 1:bb2b1e4bfb6e
- Child:
- 3:aa1c1f07c942
--- a/FM25W256.h Sat Mar 05 14:05:39 2016 +0000 +++ b/FM25W256.h Sat Mar 05 14:12:08 2016 +0000 @@ -38,38 +38,38 @@ #define FM25W256_CLK (20000000) // SPI clock 20MHz /** An interface for the Cypress 32k byte FM25W256 F-RAM over SPI - -@code -#include "mbed.h" -#include "FM25W256.h" - -Serial pc(USBTX, USBRX); -FM25W256 f_ram(dp2, dp1, dp6, dp18); - -int main() -{ - uint8_t buf[16]; - // Fill buffer - for(int i=0; i<16; i++) { - buf[i] = i; - } - // Write data to F-RAM - f_ram.write(0, buf, 16); - - // Read data from F-RAM - uint16_t adrs = 0; - for(int i=0; i<16; i++) { - pc.printf("0x%04X : ", i * 16); - for(int j=0; j<16; j++) { - pc.printf("%02X ", f_ram.read(adrs++)); - } - pc.printf("\n"); - } - - while(1) { - } -} -*/ + * + * @code + * #include "mbed.h" + * #include "FM25W256.h" + * + * Serial pc(USBTX, USBRX); + * FM25W256 f_ram(dp2, dp1, dp6, dp18); + * + * int main() + * { + * uint8_t buf[16]; + * // Fill buffer + * for(int i=0; i<16; i++) { + * buf[i] = i; + * } + * // Write data to F-RAM + * f_ram.write(0, buf, 16); + * + * // Read data from F-RAM + * uint16_t adrs = 0; + * for(int i=0; i<16; i++) { + * pc.printf("0x%04X : ", i * 16); + * for(int j=0; j<16; j++) { + * pc.printf("%02X ", f_ram.read(adrs++)); + * } + * pc.printf("\n"); + * } + * + * while(1) { + * } + * } + */ class FM25W256 { public: @@ -81,64 +81,64 @@ }; /** Create an interface -* -* @param mosi SPI master-out-slave-in -* @param miso SPI master-in-slave-out -* @param clk SPI clock -* @param cs chip select pin - any free Digital pin will do -*/ + * + * @param mosi SPI master-out-slave-in + * @param miso SPI master-in-slave-out + * @param clk SPI clock + * @param cs chip select pin - any free Digital pin will do + */ FM25W256(PinName mosi, PinName miso, PinName clk, PinName cs); /** Create an interface -* -* @param &spi SPI instance -* @param cs chip select pin - any free Digital pin will do -*/ + * + * @param &spi SPI instance + * @param cs chip select pin - any free Digital pin will do + */ FM25W256(SPI &spi, PinName cs); /** write a byte to F-RAM -* @param address The address F-RAM to write to -* @param data The byte to write there -*/ + * @param address The address F-RAM to write to + * @param data The byte to write there + */ void write(uint16_t address, uint8_t data); /** write multiple bytes to F-RAM from a buffer -* @param address The F-RAM address write to -* @param data The buffer to write from -* @param size The number of bytes to write -*/ + * @param address The F-RAM address write to + * @param data The buffer to write from + * @param size The number of bytes to write + */ void write(uint16_t address, uint8_t *data, uint16_t size); /** read a byte from F-RAM -* @param address The address to read from -* @return the character at that address -*/ + * @param address The address to read from + * @return the character at that address + */ uint8_t read(uint16_t address); /** read multiple bytes from F-RAM into a buffer -* @param address The F-RAM address to read from -* @param data The buffer to read into (must be big enough!) -* @param size The number of bytes to read -*/ + * @param address The F-RAM address to read from + * @param data The buffer to read into (must be big enough!) + * @param size The number of bytes to read + */ void read(uint16_t address, uint8_t *data, uint16_t size); /** write a byte to the status register -* @param data The byte to write the register -*/ + * @param data The byte to write the register + */ void wirte_status(uint8_t data); /** read a byte from the status register -* @return the character at the register -*/ + * @return the character at the register + */ uint8_t read_status(); /** Set write protect mode -* @param bp E_WP enum value -*/ + * @param bp E_WP enum value + */ void set_write_protect(E_WP bp); /** Set write protect to non-protect mode -*/ + */ void clear_write_protect(); protected: