unsigned int rs232_simple_test(void)
{
unsigned int try = 0;
unsigned int bytes = 0;
unsigned char data[1];
unsigned int ret = 0;
struct rs232_port_t *p = NULL;
p = rs232_init();
if (p == NULL)
return 1;
#ifdef WIN32
rs232_set_device(p, "COM1");
#else
rs232_set_device(p, "/dev/ttyS1");
#endif
ret = rs232_open(p);
if (ret) {
rs232_end(p);
return err(ret);
}
rs232_set_baud(p, RS232_BAUD_115200);
printf("[*] port settings: %s\n", rs232_to_string(p));
rs232_flush(p);
while (try++ < 10) {
printf("%02d. [*] read: ", try);
data[0] = 0x00;
ret = rs232_read_timeout(p, data, 1, &bytes, 1000);
if (ret)
err(ret);
else
printf("0x%02x len: %d\n", data[0], bytes);
data[0] = 0x05;
bytes = 0;
printf("%02d. [*] write: ", try);
ret = rs232_write_timeout(p, data, 1, &bytes, 1000);
if (ret)
err(ret);
else
printf("len: %d\n", bytes);
}
rs232_end(p);
return 0;
}
/*
* rs232 = require("luars232")
* error, port = rs232.open(device)
* error, port = rs232.open("/dev/ttyUSB0")
*/
static int lua_port_open(lua_State *L)
{
int ret = 0;
struct rs232_port_t *p = NULL;
struct rs232_port_t **ud = NULL;
const char *dev = luaL_checkstring(L, 1);
p = rs232_init();
if (p == NULL) {
lua_pushinteger(L, RS232_ERR_CONFIG);
lua_pushnil(L);
return 2;
}
DBG("p=%p \n", (void *)p);
rs232_set_device(p, dev);
ret = rs232_open(p);
if (ret > RS232_ERR_NOERROR) {
free(p->pt);
free(p);
lua_pushinteger(L, ret);
lua_pushnil(L);
return 2;
}
lua_pushinteger(L, RS232_ERR_NOERROR);
ud = lua_newuserdata(L, sizeof(struct rs232_port_t *));
*ud = p;
luaL_getmetatable(L, MODULE_NAMESPACE);
lua_setmetatable(L, -2);
return 2;
}
bool QRS232::open(QString & port, enum rs232_baud_e baud)
{
m_port = rs232_init();
rs232_set_device(m_port, port.toLatin1().data());
rs232_set_baud(m_port, baud);
unsigned int ret = rs232_open(m_port);
if (ret == RS232_ERR_NOERROR) {
m_open = true;
return true;
}
return false;
}
static int init_serial(void)
{
unsigned int ret = 0;
port = rs232_init();
if (port == NULL) return 1;
rs232_set_device(port, portname);
ret = rs232_open(port); // open port
if (ret)
{
printf("%s (%s)\n", rs232_strerror(ret), errno > 0 ? strerror(errno) : "");
return ret;
}
rs232_set_baud(port, RS232_BAUD_115200);
rs232_flush(port);
// wait for arduino init
sleep(3);
return 0;
}
