Lab 1 Program C
Fork of mbed by
Diff: I2CSlave.h
- Revision:
- 43:aff670d0d510
- Parent:
- 27:7110ebee3484
--- a/I2CSlave.h Wed Aug 29 12:44:47 2012 +0100 +++ b/I2CSlave.h Wed Oct 24 10:44:49 2012 +0000 @@ -16,39 +16,39 @@ namespace mbed { -/* Class: I2CSlave - * An I2C Slave, used for communicating with an I2C Master device +/** An I2C Slave, used for communicating with an I2C Master device * * Example: - * > // Simple I2C responder - * > #include <mbed.h> - * > - * > I2CSlave slave(p9, p10); - * > - * > int main() { - * > char buf[10]; - * > char msg[] = "Slave!"; - * > - * > slave.address(0xA0); - * > while (1) { - * > int i = slave.receive(); - * > switch (i) { - * > case I2CSlave::ReadAddressed: - * > slave.write(msg, strlen(msg) + 1); // Includes null char - * > break; - * > case I2CSlave::WriteGeneral: - * > slave.read(buf, 10); - * > printf("Read G: %s\n", buf); - * > break; - * > case I2CSlave::WriteAddressed: - * > slave.read(buf, 10); - * > printf("Read A: %s\n", buf); - * > break; - * > } - * > for(int i = 0; i < 10; i++) buf[i] = 0; // Clear buffer - * > } - * > } - * > + * @code + * // Simple I2C responder + * #include <mbed.h> + * + * I2CSlave slave(p9, p10); + * + * int main() { + * char buf[10]; + * char msg[] = "Slave!"; + * + * slave.address(0xA0); + * while (1) { + * int i = slave.receive(); + * switch (i) { + * case I2CSlave::ReadAddressed: + * slave.write(msg, strlen(msg) + 1); // Includes null char + * break; + * case I2CSlave::WriteGeneral: + * slave.read(buf, 10); + * printf("Read G: %s\n", buf); + * break; + * case I2CSlave::WriteAddressed: + * slave.read(buf, 10); + * printf("Read A: %s\n", buf); + * break; + * } + * for(int i = 0; i < 10; i++) buf[i] = 0; // Clear buffer + * } + * } + * @endcode */ class I2CSlave : public Base { @@ -61,84 +61,78 @@ , WriteAddressed = 3 }; - /* Constructor: I2CSlave - * Create an I2C Slave interface, connected to the specified pins. + /** Create an I2C Slave interface, connected to the specified pins. * - * Variables: - * sda - I2C data line pin - * scl - I2C clock line pin + * @param sda I2C data line pin + * @param scl I2C clock line pin */ I2CSlave(PinName sda, PinName scl, const char *name = NULL); - /* Function: frequency - * Set the frequency of the I2C interface + /** Set the frequency of the I2C interface * - * Variables: - * hz - The bus frequency in hertz + * @param hz The bus frequency in hertz */ void frequency(int hz); - /* Function: receive - * Checks to see if this I2C Slave has been addressed. + /** Checks to see if this I2C Slave has been addressed. * - * Variables: - * returns - a status indicating if the device has been addressed, and how - * > NoData - the slave has not been addressed - * > ReadAddressed - the master has requested a read from this slave - * > WriteAddressed - the master is writing to this slave - * > WriteGeneral - the master is writing to all slave + * @returns + * A status indicating if the device has been addressed, and how + * - NoData - the slave has not been addressed + * - ReadAddressed - the master has requested a read from this slave + * - WriteAddressed - the master is writing to this slave + * - WriteGeneral - the master is writing to all slave */ int receive(void); - /* Function: read - * Read from an I2C master. + /** Read from an I2C master. * - * Variables: - * data - pointer to the byte array to read data in to - * length - maximum number of bytes to read - * returns - 0 on success, non-0 otherwise + * @param data pointer to the byte array to read data in to + * @param length maximum number of bytes to read + * + * @returns + * 0 on success, + * non-0 otherwise */ int read(char *data, int length); - /* Function: read - * Read a single byte from an I2C master. + /** Read a single byte from an I2C master. * - * Variables: - * returns - the byte read + * @returns + * the byte read */ int read(void); - /* Function: write - * Write to an I2C master. + /** Write to an I2C master. * - * Variables: - * data - pointer to the byte array to be transmitted - * length - the number of bytes to transmite - * returns - a 0 on success, non-0 otherwise + * @param data pointer to the byte array to be transmitted + * @param length the number of bytes to transmite + * + * @returns + * 0 on success, + * non-0 otherwise */ int write(const char *data, int length); - /* Function: write - * Write a single byte to an I2C master. + /** Write a single byte to an I2C master. + * + * @data the byte to write * - * Variables - * data - the byte to write - * returns - a '1' if an ACK was received, a '0' otherwise + * @returns + * '1' if an ACK was received, + * '0' otherwise */ int write(int data); - /* Function: address - * Sets the I2C slave address. + /** Sets the I2C slave address. * - * Variables - * address - the address to set for the slave (ignoring the least - * signifcant bit). If set to 0, the slave will only respond to the - * general call address. + * @param address The address to set for the slave (ignoring the least + * signifcant bit). If set to 0, the slave will only respond to the + * general call address. */ void address(int address); - /* Function: stop - * Reset the I2C slave back into the known ready receiving state. + /** Reset the I2C slave back into the known ready receiving state. */ void stop(void);