void test_open_config_close(void) {
serial_t serial;
uint32_t baudrate;
unsigned int databits;
serial_parity_t parity;
unsigned int stopbits;
bool xonxoff;
bool rtscts;
ptest();
passert(serial_open(&serial, device, 115200) == 0);
/* Check default settings */
passert(serial_get_baudrate(&serial, &baudrate) == 0);
passert(baudrate == 115200);
passert(serial_get_databits(&serial, &databits) == 0);
passert(databits == 8);
passert(serial_get_parity(&serial, &parity) == 0);
passert(parity == PARITY_NONE);
passert(serial_get_stopbits(&serial, &stopbits) == 0);
passert(stopbits == 1);
passert(serial_get_xonxoff(&serial, &xonxoff) == 0);
passert(xonxoff == false);
passert(serial_get_rtscts(&serial, &rtscts) == 0);
passert(rtscts == false);
/* Change some stuff around */
passert(serial_set_baudrate(&serial, 4800) == 0);
passert(serial_get_baudrate(&serial, &baudrate) == 0);
passert(baudrate == 4800);
passert(serial_set_baudrate(&serial, 9600) == 0);
passert(serial_get_baudrate(&serial, &baudrate) == 0);
passert(baudrate == 9600);
passert(serial_set_databits(&serial, 7) == 0);
passert(serial_get_databits(&serial, &databits) == 0);
passert(databits == 7);
passert(serial_set_parity(&serial, PARITY_ODD) == 0);
passert(serial_get_parity(&serial, &parity) == 0);
passert(parity == PARITY_ODD);
passert(serial_set_stopbits(&serial, 2) == 0);
passert(serial_get_stopbits(&serial, &stopbits) == 0);
passert(stopbits == 2);
passert(serial_set_xonxoff(&serial, true) == 0);
passert(serial_get_xonxoff(&serial, &xonxoff) == 0);
passert(xonxoff == true);
#if 0
passert(serial_set_rtscts(&serial, true) == 0);
passert(serial_get_rtscts(&serial, &rtscts) == 0);
passert(rtscts == true);
#endif
/* Test serial port may not support rtscts */
passert(serial_close(&serial) == 0);
}
static int lua_serial_index(lua_State *L) {
serial_t *serial;
const char *field;
if (!lua_isstring(L, 2))
return lua_serial_error(L, SERIAL_ERROR_ARG, 0, "Error: unknown method or property");
field = lua_tostring(L, 2);
/* Look up method in metatable */
lua_getmetatable(L, 1);
lua_getfield(L, -1, field);
if (!lua_isnil(L, -1))
return 1;
serial = luaL_checkudata(L, 1, "periphery.Serial");
if (strcmp(field, "fd") == 0) {
lua_pushinteger(L, serial_fd(serial));
return 1;
} else if (strcmp(field, "baudrate") == 0) {
uint32_t baudrate;
int ret;
if ((ret = serial_get_baudrate(serial, &baudrate)) < 0)
return lua_serial_error(L, ret, serial_errno(serial), "Error: %s", serial_errmsg(serial));
lua_pushunsigned(L, baudrate);
return 1;
} else if (strcmp(field, "databits") == 0) {
int databits;
int ret;
if ((ret = serial_get_databits(serial, &databits)) < 0)
return lua_serial_error(L, ret, serial_errno(serial), "Error: %s", serial_errmsg(serial));
lua_pushunsigned(L, databits);
return 1;
} else if (strcmp(field, "parity") == 0) {
serial_parity_t parity;
int ret;
if ((ret = serial_get_parity(serial, &parity)) < 0)
return lua_serial_error(L, ret, serial_errno(serial), "Error: %s", serial_errmsg(serial));
switch (parity) {
case PARITY_NONE: lua_pushstring(L, "none"); break;
case PARITY_ODD: lua_pushstring(L, "odd"); break;
case PARITY_EVEN: lua_pushstring(L, "even"); break;
default: lua_pushstring(L, "unknown"); break;
}
return 1;
} else if (strcmp(field, "stopbits") == 0) {
int stopbits;
int ret;
if ((ret = serial_get_stopbits(serial, &stopbits)) < 0)
return lua_serial_error(L, ret, serial_errno(serial), "Error: %s", serial_errmsg(serial));
lua_pushunsigned(L, stopbits);
return 1;
} else if (strcmp(field, "xonxoff") == 0) {
bool xonxoff;
int ret;
if ((ret = serial_get_xonxoff(serial, &xonxoff)) < 0)
return lua_serial_error(L, ret, serial_errno(serial), "Error: %s", serial_errmsg(serial));
lua_pushboolean(L, xonxoff);
return 1;
} else if (strcmp(field, "rtscts") == 0) {
bool rtscts;
int ret;
if ((ret = serial_get_rtscts(serial, &rtscts)) < 0)
return lua_serial_error(L, ret, serial_errno(serial), "Error: %s", serial_errmsg(serial));
lua_pushboolean(L, rtscts);
return 1;
}
return lua_serial_error(L, SERIAL_ERROR_ARG, 0, "Error: unknown property");
}