Commit ae705689 authored by Gallacchi Mattia's avatar Gallacchi Mattia
Browse files

Add tests 



Signed-off-by: default avatarmattia.gallacchi <mattia.gallacchi@he-arc.ch>
parent 5b5fd230

lib/mcp2221a_i2c.cpp

+4 −6
Original line number Diff line number Diff line
@@ -103,7 +103,7 @@ namespace MCP2221A { 
    {

        int ret = 0;



        for (int addr = 0x00; addr < I2C_MAX_ADDR; addr++) {

        for (int addr = 0x08; addr < I2C_MAX_ADDR; addr++) {



            set_slave_address(addr);
@@ -176,11 +176,9 @@ namespace MCP2221A { 
        set_slave_address(slave_addr);



        if (length < I2C_SMBUS_WORD_DATA) {

            uint16_t res = i2c_smbus_read_word_data(fd_, reg_addr);

            uint8_t h = (uint8_t) (res >> 8);

            uint8_t l = (uint8_t)res;

            data[0] = (uint8_t)(res >> 8);

            data[1] = (uint8_t)(res & 0xFF);

            int res = i2c_smbus_read_word_data(fd_, reg_addr);

            data[0] = res >> 8;

            data[1] = res & 0xFF;

            return;

        }

tests/main.cpp

+4 −3
Original line number Diff line number Diff line
@@ -11,13 +11,14 @@ int main() 
    // for (auto& slave: slaves)

    //     cout << hex << "0x" << slave << dec << endl;



    unsigned char data [] = {0x01, 0x02, 0x03};

    uint8_t tx_data [] = {0x00, 0x56, 0x78};

    uint8_t rx_data [2];

    i2c.send(0x17, tx_data, 3);

    i2c.read_register(0x17, 0x00, rx_data, 2);

    i2c.receive(0x17, rx_data, 2);

    // i2c.receive(0x17, rx_data, 2);



    for (int i = 0; i < 2; i++) {

        cout << hex << "0x" << rx_data[i] << dec << endl;

        cout << hex << "0x" << (int)rx_data[i] << dec << endl;

    }



    return 0;