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DS1307: Add string based constructor for Clock
Signed-off-by: Adelin Dobre <adelin.dobre@rinftech.com>
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@ -46,6 +46,27 @@ DS1307::DS1307(int bus) : m_i2c(bus)
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}
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}
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DS1307::DS1307(std::string initStr) : m_i2c(nullptr), mraaIo(initStr)
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{
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mraa_io_descriptor* descs = mraaIo.getMraaDescriptors();
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if(!descs->i2cs[0]) {
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throw std::invalid_argument(std::string(__FUNCTION__) +
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": mraa_i2c_init() failed");
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return;
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} else {
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m_i2c = descs->i2cs[0];
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}
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// setup our i2c link
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mraa::Result ret = m_i2c.address(DS1307_I2C_ADDR);
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if (ret != mraa::SUCCESS){
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throw std::invalid_argument(std::string(__FUNCTION__) +
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": i2c.address() failed");
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return;
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}
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}
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mraa::Result DS1307::writeBytes(uint8_t reg, uint8_t *buffer, int len)
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{
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if (!len || !buffer)
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@ -28,6 +28,7 @@
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#include <string>
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#include <mraa/i2c.hpp>
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#include <mraa/initio.hpp>
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#define DS1307_I2C_BUS 0
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#define DS1307_I2C_ADDR 0x68
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@ -77,6 +78,13 @@ namespace upm {
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* @param bus I2C bus to use
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*/
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DS1307(int bus);
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/**
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* Instantiates DS1307 Clock based on a given string.
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*
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* @param initStr string containing specific information for DS1307 initialization.
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*/
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DS1307(std::string initStr);
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/**
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* Loads all the time values
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@ -188,6 +196,7 @@ namespace upm {
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private:
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mraa::I2c m_i2c;
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mraa::MraaIo mraaIo;
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};
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}
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