diff options
| -rw-r--r-- | os/hal/platforms/STM32/ext_lld.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/os/hal/platforms/STM32/ext_lld.c b/os/hal/platforms/STM32/ext_lld.c index 225fc854d..59aae5520 100644 --- a/os/hal/platforms/STM32/ext_lld.c +++ b/os/hal/platforms/STM32/ext_lld.c @@ -578,7 +578,7 @@ void ext_lld_channel_enable(EXTDriver *extp, expchannel_t channel) { /* Setting the associated GPIO for external channels.*/
if (channel < 16) {
uint32_t n = channel >> 2;
- uint32_t mask = ~(0xF << (channel & 3));
+ uint32_t mask = ~(0xF << ((channel & 3) * 4));
uint32_t port = ((extp->config->channels[channel].mode &
EXT_MODE_GPIO_MASK) >>
EXT_MODE_GPIO_OFF) << ((channel & 3) * 4);
|