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extern I2C1_DATA i2c_data;
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extern I2C1_DATA i2c_data;
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// Set up the data structures for the base_I2C.code
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// Set up the data structures for the base_I2C.code
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// Should be called once before any i2c routines are called
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// Should be called once before any i2c routines are called
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void I2C1_Init(void) {
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void I2C1_Init(void) {
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    I2C_1_CLK_TRIS = 1;
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    I2C_1_DAT_TRIS = 1;
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    i2c_data.buffer_in_len = 0;
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    i2c_data.buffer_in_len = 0;
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    i2c_data.buffer_in_read_ind = 0;
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    i2c_data.buffer_in_read_ind = 0;
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    i2c_data.buffer_in_write_ind = 0;
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    i2c_data.buffer_in_write_ind = 0;
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    i2c_data.operating_state = I2C_IDLE;
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    i2c_data.operating_state = I2C_IDLE;
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    PIE1bits.SSP1IE = 1;
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    PIE1bits.SSP1IE = 1;
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}
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}
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// Setup the PIC to operate as a master.
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// Setup the PIC to operate as a master.
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void I2C1_Configure_Master(uint8_t speed) {
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void I2C1_Configure_Master(uint8_t speed) {
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//    i2c_data.operating_mode = I2C_MODE_MASTER;
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    I2C_1_CLK_TRIS = 1;
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    I2C_1_DAT_TRIS = 1;
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    SSP1STAT = 0x0;
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    SSP1STAT = 0x0;
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    SSP1CON1 = 0x0;
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    SSP1CON1 = 0x0;
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    SSP1CON2 = 0x0;
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    SSP1CON2 = 0x0;
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    SSP1CON3 = 0x0;
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    SSP1CON3 = 0x0;
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    SSP1CON1bits.SSPM = 0x8; // I2C Master Mode
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    SSP1CON1bits.SSPM = 0x8; // I2C Master Mode