michaelh/zephyr
1
0
Fork 0
Code Releases Activity

drivers: can: mcp2515: correct min/max timing values

Browse source 
The MCP2515 requires phase segment 2 to be at least 2 time quanta.

The prescaler has a 6 bit register, allowing for real-world prescaler
values between 1 and 64.

Fixes: #44484

Signed-off-by: Henrik Brix Andersen <hebad@vestas.com>
This commit is contained in:
Henrik Brix Andersen 2022-04-01 21:05:46 +02:00 • committed by Marti Bolivar
commit c389594e12
1 changed files with 2 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

4
drivers/can/can_mcp2515.c
View file

@ -849,7 +849,7 @@ static const struct can_driver_api can_api_funcs = {
.sjw = 0x1, .sjw = 0x1,
.prop_seg = 0x01, .prop_seg = 0x01,
.phase_seg1 = 0x01, .phase_seg1 = 0x01,
.phase_seg2 = 0x01, .phase_seg2 = 0x02,
.prescaler = 0x01 .prescaler = 0x01
}, },
.timing_max = { .timing_max = {
@ -857,7 +857,7 @@ static const struct can_driver_api can_api_funcs = {
.prop_seg = 0x08, .prop_seg = 0x08,
.phase_seg1 = 0x08, .phase_seg1 = 0x08,
.phase_seg2 = 0x08, .phase_seg2 = 0x08,
.prescaler = 0x20 .prescaler = 0x40
} }
}; };