diff options
| author | Peter D. Gray | 2017-12-20 10:31:05 -0500 |
|---|---|---|
| committer | Damien George | 2017-12-22 15:37:17 +1100 |
| commit | 7a46d9ae7313d4f92e9c32bf4dcc1e161a56d7ff (patch) | |
| tree | 94df4b34c7451034069672c6aec1e8d3cc2e5520 | |
| parent | c73360bfdbecb0e2143147a7e7223c8161938456 (diff) | |
stm32/uart: Add support for 7-bit modes: 7N1 and 7N2.
| -rw-r--r-- | ports/stm32/uart.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/ports/stm32/uart.c b/ports/stm32/uart.c index 0b46d4f04..b2962984f 100644 --- a/ports/stm32/uart.c +++ b/ports/stm32/uart.c @@ -500,7 +500,14 @@ STATIC void pyb_uart_print(const mp_print_t *print, mp_obj_t self_in, mp_print_k if (!self->is_enabled) { mp_printf(print, "UART(%u)", self->uart_id); } else { - mp_int_t bits = (self->uart.Init.WordLength == UART_WORDLENGTH_8B ? 8 : 9); + mp_int_t bits; + switch (self->uart.Init.WordLength) { + #ifdef UART_WORDLENGTH_7B + case UART_WORDLENGTH_7B: bits = 7; break; + #endif + case UART_WORDLENGTH_8B: bits = 8; break; + case UART_WORDLENGTH_9B: default: bits = 9; break; + } if (self->uart.Init.Parity != UART_PARITY_NONE) { bits -= 1; } @@ -580,6 +587,10 @@ STATIC mp_obj_t pyb_uart_init_helper(pyb_uart_obj_t *self, size_t n_args, const init->WordLength = UART_WORDLENGTH_8B; } else if (bits == 9) { init->WordLength = UART_WORDLENGTH_9B; + #ifdef UART_WORDLENGTH_7B + } else if (bits == 7) { + init->WordLength = UART_WORDLENGTH_7B; + #endif } else { mp_raise_ValueError("unsupported combination of bits and parity"); } |