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@ -110,29 +110,22 @@ int _i2cClearbus(int sda, int scl) { |
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#if I2C_USE_BRZO
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// simple i2c device wakeup
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void i2c_wakeup(uint8_t address) { |
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brzo_i2c_start_transaction(_address, _i2c_scl_frequency); |
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brzo_i2c_end_transaction(); |
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} |
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uint8_t i2c_write_buffer_ret(uint8_t address, uint8_t * buffer, size_t len) { |
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uint8_t i2c_write_uint8(uint8_t address, uint8_t value) { |
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uint8_t buffer[1] = {value}; |
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brzo_i2c_start_transaction(_address, _i2c_scl_frequency); |
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brzo_i2c_write_uint8(buffer, len, false); |
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brzo_i2c_write_uint8(buffer, 1, false); |
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return brzo_i2c_end_transaction(); |
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} |
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void i2c_write_buffer(uint8_t address, uint8_t * buffer, size_t len) { |
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uint8_t i2c_write_buffer(uint8_t address, uint8_t * buffer, size_t len) { |
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brzo_i2c_start_transaction(_address, _i2c_scl_frequency); |
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brzo_i2c_write_uint8(buffer, len, false); |
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brzo_i2c_end_transaction(); |
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} |
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void i2c_write_uint8(uint8_t address, uint8_t value) { |
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uint8_t buffer[1] = {value}; |
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brzo_i2c_start_transaction(_address, _i2c_scl_frequency); |
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brzo_i2c_write_uint8(buffer, 1, false); |
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brzo_i2c_end_transaction(); |
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return brzo_i2c_end_transaction(); |
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} |
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uint8_t i2c_read_uint8(uint8_t address) { |
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@ -177,28 +170,21 @@ void i2c_read_buffer(uint8_t address, uint8_t * buffer, size_t len) { |
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#else // not I2C_USE_BRZO
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// simple i2c device wakeup
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void i2c_wakeup(uint8_t address) { |
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Wire.beginTransmission((uint8_t) address); |
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Wire.endTransmission(); |
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} |
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uint8_t i2c_write_buffer_ret(uint8_t address, uint8_t * buffer, size_t len) { |
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uint8_t i2c_write_uint8(uint8_t address, uint8_t value) { |
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Wire.beginTransmission((uint8_t) address); |
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Wire.write(buffer, len); |
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Wire.write((uint8_t) value); |
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return Wire.endTransmission(); |
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} |
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void i2c_write_buffer(uint8_t address, uint8_t * buffer, size_t len) { |
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uint8_t i2c_write_buffer(uint8_t address, uint8_t * buffer, size_t len) { |
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Wire.beginTransmission((uint8_t) address); |
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Wire.write(buffer, len); |
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Wire.endTransmission(); |
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} |
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void i2c_write_uint8(uint8_t address, uint8_t value) { |
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Wire.beginTransmission((uint8_t) address); |
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Wire.write((uint8_t) value); |
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Wire.endTransmission(); |
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return Wire.endTransmission(); |
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} |
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uint8_t i2c_read_uint8(uint8_t address) { |
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@ -250,32 +236,29 @@ void i2c_read_buffer(uint8_t address, uint8_t * buffer, size_t len) { |
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#endif // I2C_USE_BRZO
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void i2c_write_uint8(uint8_t address, uint8_t reg, uint8_t value) { |
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uint8_t i2c_write_uint8(uint8_t address, uint8_t reg, uint8_t value) { |
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uint8_t buffer[2] = {reg, value}; |
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i2c_write_buffer(address, buffer, 2); |
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return i2c_write_buffer(address, buffer, 2); |
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} |
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uint8_t i2c_write_uint8(uint8_t address, uint8_t reg, uint8_t value, uint8_t value2) { |
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uint8_t buffer[3]; |
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buffer[0] = reg; |
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buffer[1] = value; |
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buffer[2] = value2; |
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return i2c_write_buffer_ret(address, buffer, 3); |
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uint8_t i2c_write_uint8(uint8_t address, uint8_t reg, uint8_t value1, uint8_t value2) { |
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uint8_t buffer[3] = {reg, value1, value2}; |
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return i2c_write_buffer(address, buffer, 3); |
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} |
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void i2c_write_uint16(uint8_t address, uint8_t reg, uint16_t value) { |
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uint8_t i2c_write_uint16(uint8_t address, uint8_t reg, uint16_t value) { |
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uint8_t buffer[3]; |
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buffer[0] = reg; |
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buffer[1] = (value >> 8) & 0xFF; |
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buffer[2] = (value >> 0) & 0xFF; |
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i2c_write_buffer(address, buffer, 3); |
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return i2c_write_buffer(address, buffer, 3); |
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} |
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void i2c_write_uint16(uint8_t address, uint16_t value) { |
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uint8_t i2c_write_uint16(uint8_t address, uint16_t value) { |
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uint8_t buffer[2]; |
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buffer[0] = (value >> 8) & 0xFF; |
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buffer[1] = (value >> 0) & 0xFF; |
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i2c_write_buffer(address, buffer, 2); |
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return i2c_write_buffer(address, buffer, 2); |
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} |
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uint16_t i2c_read_uint16_le(uint8_t address, uint8_t reg) { |
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