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canbus: Rename canbus_set_dataport() to canbus_set_filter() and simplify 

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2021-02-08 16:47:00 -05:00
parent 5769a9072b
commit 5c4cf54557
3 changed files with 8 additions and 13 deletions
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2
src/generic/canbus.c
View File

@ -137,7 +137,7 @@ can_process_set_id(uint32_t id, uint32_t len, uint8_t *data)
// compare my UUID with packet to check if this packet mine
if (memcmp(&data[2], canbus_uuid, sizeof(canbus_uuid)) == 0) {
canbus_assigned_id = data[0] | (data[1] << 8);
canbus_set_dataport(canbus_assigned_id);
canbus_set_filter(canbus_assigned_id);
}
}

2
src/generic/canbus.h
View File

@ -11,7 +11,7 @@
// callbacks provided by board specific code
int canbus_read(uint32_t *id, uint8_t *data);
int canbus_send(uint32_t id, uint32_t len, uint8_t *data);
void canbus_set_dataport(uint32_t id);
void canbus_set_filter(uint32_t id);
void canbus_reboot(void);
// canbus.c

17
src/stm32/can.c
View File

@ -157,8 +157,8 @@ canbus_send(uint32_t id, uint32_t len, uint8_t *data)
#define CAN_FILTER_NUMBER 0
// Setup the receive packet filter
static void
can_set_filter(uint32_t id1, uint32_t id2)
void
canbus_set_filter(uint32_t id)
{
uint32_t filternbrbitpos = 1 << CAN_FILTER_NUMBER;
@ -167,8 +167,9 @@ can_set_filter(uint32_t id1, uint32_t id2)
/* Initialisation mode for the filter */
SOC_CAN->FA1R = 0;
SOC_CAN->sFilterRegister[CAN_FILTER_NUMBER].FR1 = id1 << (5 + 16);
SOC_CAN->sFilterRegister[CAN_FILTER_NUMBER].FR2 = id2 << (5 + 16);
uint32_t idadmin = CANBUS_ID_UUID;
SOC_CAN->sFilterRegister[CAN_FILTER_NUMBER].FR1 = idadmin << (5 + 16);
SOC_CAN->sFilterRegister[CAN_FILTER_NUMBER].FR2 = id << (5 + 16);
/* Identifier list mode for the filter */
SOC_CAN->FM1R = filternbrbitpos;
@ -184,12 +185,6 @@ can_set_filter(uint32_t id1, uint32_t id2)
SOC_CAN->FMR &= ~CAN_FMR_FINIT;
}
void
canbus_set_dataport(uint32_t id)
{
can_set_filter(CANBUS_ID_UUID, id);
}
void
canbus_reboot(void)
{
@ -292,7 +287,7 @@ can_init(void)
;
/*##-2- Configure the CAN Filter #######################################*/
can_set_filter(CANBUS_ID_UUID, CANBUS_ID_SET);
canbus_set_filter(CANBUS_ID_SET);
/*##-3- Configure Interrupts #################################*/