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Merge pull request #4513 from jepler/mimxrt10xx-uart-fault 

mimxrt1011: UART: Add additional error checking
This commit is contained in:
Scott Shawcroft 2021-03-30 10:54:05 -07:00 committed by GitHub
parent 2453d70e4c 71eee45a37
commit ea7ca8ae96
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 12 additions and 2 deletions
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14
ports/mimxrt10xx/common-hal/busio/UART.c
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@ -153,6 +153,13 @@ void common_hal_busio_uart_construct(busio_uart_obj_t *self,
mp_raise_ValueError(translate("Supply at least one UART pin"));
}
if (rx && !self->rx) {
mp_raise_ValueError_varg(translate("Invalid %q pin"), MP_QSTR_RX);
}
if (tx && !self->tx) {
mp_raise_ValueError_varg(translate("Invalid %q pin"), MP_QSTR_TX);
}
if (uart_taken) {
mp_raise_ValueError(translate("Hardware in use, try alternative pins"));
}
@ -188,7 +195,7 @@ void common_hal_busio_uart_construct(busio_uart_obj_t *self,
}
}
if (self->rts == NULL) {
mp_raise_ValueError(translate("Selected RTS pin not valid"));
mp_raise_ValueError_varg(translate("Invalid %q pin"), MP_QSTR_RTS);
}
}
@ -202,16 +209,19 @@ void common_hal_busio_uart_construct(busio_uart_obj_t *self,
}
}
if (self->cts == NULL) {
mp_raise_ValueError(translate("Selected CTS pin not valid"));
mp_raise_ValueError_varg(translate("Invalid %q pin"), MP_QSTR_CTS);
}
}
if (self->rx) {
self->uart = mcu_uart_banks[self->rx->bank_idx - 1];
} else {
assert(self->rx);
self->uart = mcu_uart_banks[self->tx->bank_idx - 1];
}
assert(self->uart);
if (self->rx) {
config_periph_pin(self->rx);
}