| 85 | } |
| 86 | |
| 87 | void config_comm(int fd, int speed_baud_rate, char parity, int data_bits, int stop_bits) |
| 88 | { |
| 89 | int valid_baud_rate = 0; |
| 90 | struct termios new_tc; |
| 91 | |
| 92 | memset(&new_tc, 0x00, sizeof(struct termios)); |
| 93 | |
| 94 | valid_baud_rate = _check_baud_rate(speed_baud_rate); |
| 95 | |
| 96 | new_tc.c_cflag |= (CLOCAL | CREAD);//Enable in default. |
| 97 | |
| 98 | /* |
| 99 | *Set baud rate. e.g B115200 is 115200 bauds. |
| 100 | */ |
| 101 | cfsetispeed(&new_tc, valid_baud_rate);//input speed |
| 102 | cfsetospeed(&new_tc, valid_baud_rate);//output speed |
| 103 | |
| 104 | /* |
| 105 | *Set parity. |
| 106 | */ |
| 107 | switch(parity) |
| 108 | { |
| 109 | case 'n': |
| 110 | case 'N': |
| 111 | new_tc.c_cflag &= ~PARENB; //Disable parity. |
| 112 | break; |
| 113 | case 'o': |
| 114 | case 'O': |
| 115 | new_tc.c_cflag |= PARENB; //Enable parity. |
| 116 | new_tc.c_cflag |= PARODD; //Odd parity. |
| 117 | break; |
| 118 | case 'e': |
| 119 | case 'E': |
| 120 | new_tc.c_cflag |= PARENB; //Enable parity. |
| 121 | new_tc.c_cflag &= ~PARODD; //even parity. |
| 122 | break; |
| 123 | } |
| 124 | |
| 125 | /* |
| 126 | *Set data bits. |
| 127 | */ |
| 128 | new_tc.c_cflag &= ~CSIZE; |
| 129 | switch(data_bits) |
| 130 | { |
| 131 | case 5: |
| 132 | break; |
| 133 | case 6: |
| 134 | break; |
| 135 | case 7: |
| 136 | new_tc.c_cflag |= CS7; |
| 137 | break; |
| 138 | case 8: |
| 139 | new_tc.c_cflag |= CS8; |
| 140 | break; |
| 141 | } |
| 142 | |
| 143 | /* |
| 144 | *Set stop bits. |
no test coverage detected