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Fix for issue #12104 (STM32 can_init_freq() ignores frequency) #12113

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merged 3 commits into from
Dec 20, 2019
Merged

Fix for issue #12104 (STM32 can_init_freq() ignores frequency) #12113

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6a3e343
Fix for issue #12104 (STM32 can_init_freq() ignores frequency)
mprse Dec 16, 2019
e0e280a
optimize can_init(): call can_init_freq() with default freq
mprse Dec 16, 2019
fffc30f
STM CAN: remove CAN_INIT_DIRECT macro
mprse Dec 18, 2019
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39 changes: 8 additions & 31 deletions targets/TARGET_STM/can_api.c
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Original file line number Diff line number Diff line change
Expand Up @@ -167,7 +167,7 @@ static void _can_init_direct(can_t *obj, const can_pinmap_t *pinmap)
CAN_INIT_FREQ_DIRECT(obj, pinmap, 100000);
}

void can_init(can_t *obj, PinName rd, PinName td)
void can_init_freq(can_t *obj, PinName rd, PinName td, int hz)
{
CANName can_rd = (CANName)pinmap_peripheral(rd, PinMap_CAN_RD);
CANName can_td = (CANName)pinmap_peripheral(td, PinMap_CAN_TD);
Expand All @@ -178,27 +178,14 @@ void can_init(can_t *obj, PinName rd, PinName td)

const can_pinmap_t static_pinmap = {peripheral, rd, function_rd, td, function_td};

/* default frequency is 100 kHz */
CAN_INIT_DIRECT(obj, &static_pinmap);
CAN_INIT_FREQ_DIRECT(obj, &static_pinmap, hz);
}



void can_init_freq(can_t *obj, PinName rd, PinName td, int hz)
void can_init(can_t *obj, PinName rd, PinName td)
{
CANName can_rd = (CANName)pinmap_peripheral(rd, PinMap_CAN_RD);
CANName can_td = (CANName)pinmap_peripheral(td, PinMap_CAN_TD);
int peripheral = (int) pinmap_merge(can_rd, can_td);

int function_rd = (int)pinmap_find_function(rd, PinMap_CAN_RD);
int function_td = (int)pinmap_find_function(td, PinMap_CAN_TD);

const can_pinmap_t static_pinmap = {peripheral, rd, function_rd, td, function_td};

CAN_INIT_FREQ_DIRECT(obj, &static_pinmap, 100000);
can_init_freq(obj, rd, td, 100000);
}


void can_irq_init(can_t *obj, can_irq_handler handler, uint32_t id)
{
irq_handler = handler;
Expand Down Expand Up @@ -666,7 +653,7 @@ static void _can_init_direct(can_t *obj, const can_pinmap_t *pinmap)
CAN_INIT_FREQ_DIRECT(obj, pinmap, 100000);
}

void can_init(can_t *obj, PinName rd, PinName td)
void can_init_freq(can_t *obj, PinName rd, PinName td, int hz)
{
CANName can_rd = (CANName)pinmap_peripheral(rd, PinMap_CAN_RD);
CANName can_td = (CANName)pinmap_peripheral(td, PinMap_CAN_TD);
Expand All @@ -677,22 +664,12 @@ void can_init(can_t *obj, PinName rd, PinName td)

const can_pinmap_t static_pinmap = {peripheral, rd, function_rd, td, function_td};

/* default frequency is 100 kHz */
CAN_INIT_DIRECT(obj, &static_pinmap);
CAN_INIT_FREQ_DIRECT(obj, &static_pinmap, hz);
}

void can_init_freq(can_t *obj, PinName rd, PinName td, int hz)
void can_init(can_t *obj, PinName rd, PinName td)
{
CANName can_rd = (CANName)pinmap_peripheral(rd, PinMap_CAN_RD);
CANName can_td = (CANName)pinmap_peripheral(td, PinMap_CAN_TD);
int peripheral = (int) pinmap_merge(can_rd, can_td);

int function_rd = (int)pinmap_find_function(rd, PinMap_CAN_RD);
int function_td = (int)pinmap_find_function(td, PinMap_CAN_TD);

const can_pinmap_t static_pinmap = {peripheral, rd, function_rd, td, function_td};

CAN_INIT_FREQ_DIRECT(obj, &static_pinmap, 100000);
can_init_freq(obj, rd, td, 100000);
}

void can_irq_init(can_t *obj, can_irq_handler handler, uint32_t id)
Expand Down