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cc3200: Add sendbreak method to the UART.

This commit is contained in:
Daniel Campora 2015-06-09 17:14:31 +02:00
parent 8a6d93aeed
commit 3319780e96
2 changed files with 15 additions and 0 deletions
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14
cc3200/mods/pybuart.c
View File

@ -51,6 +51,7 @@
#include "mpexception.h"
#include "py/mpstate.h"
#include "osi.h"
#include "utils.h"
/// \moduleref pyb
/// \class UART - duplex serial communication bus
@ -568,6 +569,18 @@ STATIC mp_obj_t pyb_uart_readchar(mp_obj_t self_in) {
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_uart_readchar_obj, pyb_uart_readchar);
/// \method sendbreak()
STATIC mp_obj_t pyb_uart_sendbreak(mp_obj_t self_in) {
pyb_uart_obj_t *self = self_in;
// send a break signal for at least 2 complete frames
MAP_UARTBreakCtl(self->reg, true);
UtilsDelay(UTILS_DELAY_US_TO_COUNT((22 * 1000000) / self->baudrate));
MAP_UARTBreakCtl(self->reg, false);
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_uart_sendbreak_obj, pyb_uart_sendbreak);
STATIC const mp_map_elem_t pyb_uart_locals_dict_table[] = {
// instance methods
{ MP_OBJ_NEW_QSTR(MP_QSTR_init), (mp_obj_t)&pyb_uart_init_obj },
@ -588,6 +601,7 @@ STATIC const mp_map_elem_t pyb_uart_locals_dict_table[] = {
{ MP_OBJ_NEW_QSTR(MP_QSTR_writechar), (mp_obj_t)&pyb_uart_writechar_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_readchar), (mp_obj_t)&pyb_uart_readchar_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_sendbreak), (mp_obj_t)&pyb_uart_sendbreak_obj },
// class constants
{ MP_OBJ_NEW_QSTR(MP_QSTR_CTS), MP_OBJ_NEW_SMALL_INT(UART_FLOWCONTROL_TX) },

1
cc3200/qstrdefsport.h
View File

@ -148,6 +148,7 @@ Q(deinit)
Q(all)
Q(writechar)
Q(readchar)
Q(sendbreak)
Q(readinto)
Q(read_buf_len)
Q(timeout)