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Debug - Separate pin config from runtime state/implementation details.

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This commit is contained in:
Dominic Clifton 2021-08-18 10:17:31 +02:00
parent 8913458041
commit 13a0037b18
2 changed files with 28 additions and 15 deletions
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39
src/main/build/debug_pin.c
View file

@ -25,30 +25,39 @@
#include "drivers/io.h" #include "drivers/io.h"
#include "drivers/io_impl.h" #include "drivers/io_impl.h"
typedef struct dbgPin_s { #include "debug_pin.h"
ioTag_t tag;
typedef struct dbgPinState_s {
GPIO_TypeDef *gpio; GPIO_TypeDef *gpio;
uint32_t setBSRR; uint32_t setBSRR;
uint32_t resetBSRR; uint32_t resetBSRR;
} dbgPin_t; } dbgPinState_t;
__weak dbgPin_t dbgPins[] = { #ifndef DEBUG_PIN_COUNT
#define DEBUG_PIN_COUNT 1
#endif
// Provide a non-weak reference in target.c or elsewhere
__weak dbgPin_t dbgPins[DEBUG_PIN_COUNT] = {
{ .tag = IO_TAG(NONE) }, { .tag = IO_TAG(NONE) },
}; };
dbgPinState_t dbgPinStates[DEBUG_PIN_COUNT] = { 0 };
void dbgPinInit(void) void dbgPinInit(void)
{ {
for (unsigned i = 0; i < ARRAYLEN(dbgPins); i++) { for (unsigned i = 0; i < ARRAYLEN(dbgPins); i++) {
dbgPin_t *dbgPin = &dbgPins[i]; dbgPin_t *dbgPin = &dbgPins[i];
dbgPinState_t *dbgPinState = &dbgPinStates[i];
IO_t io = IOGetByTag(dbgPin->tag); IO_t io = IOGetByTag(dbgPin->tag);
if (!io) { if (!io) {
continue; continue;
} }
IOConfigGPIO(io, IOCFG_OUT_PP); IOConfigGPIO(io, IOCFG_OUT_PP);
dbgPin->gpio = IO_GPIO(io); dbgPinState->gpio = IO_GPIO(io);
int pinSrc = IO_GPIO_PinSource(io); int pinSrc = IO_GPIO_PinSource(io);
dbgPin->setBSRR = (1 << pinSrc); dbgPinState->setBSRR = (1 << pinSrc);
dbgPin->resetBSRR = (1 << (pinSrc + 16)); dbgPinState->resetBSRR = (1 << (pinSrc + 16));
} }
} }
@ -58,12 +67,12 @@ void dbgPinHi(int index)
return; return;
} }
dbgPin_t *dbgPin = &dbgPins[index]; dbgPinState_t *dbgPinState = &dbgPinStates[index];
if (dbgPin->gpio) { if (dbgPinState->gpio) {
#if defined(STM32F7) || defined(STM32H7) #if defined(STM32F7) || defined(STM32H7)
dbgPin->gpio->BSRR = dbgPin->setBSRR; dbgPinState->gpio->BSRR = dbgPinState->setBSRR;
#else #else
dbgPin->gpio->BSRRL = dbgPin->setBSRR; dbgPinState->gpio->BSRRL = dbgPinState->setBSRR;
#endif #endif
} }
} }
@ -74,13 +83,13 @@ void dbgPinLo(int index)
return; return;
} }
dbgPin_t *dbgPin = &dbgPins[index]; dbgPinState_t *dbgPinState = &dbgPinStates[index];
if (dbgPin->gpio) { if (dbgPinState->gpio) {
#if defined(STM32F7) || defined(STM32H7) #if defined(STM32F7) || defined(STM32H7)
dbgPin->gpio->BSRR = dbgPin->resetBSRR; dbgPinState->gpio->BSRR = dbgPinState->resetBSRR;
#else #else
dbgPin->gpio->BSRRL = dbgPin->resetBSRR; dbgPinState->gpio->BSRRL = dbgPinState->resetBSRR;
#endif #endif
} }
} }

4
src/main/build/debug_pin.h
View file

@ -20,6 +20,10 @@
#pragma once #pragma once
typedef struct dbgPin_s {
ioTag_t tag;
} dbgPin_t;
void dbgPinInit(void); void dbgPinInit(void);
void dbgPinHi(int index); void dbgPinHi(int index);
void dbgPinLo(int index); void dbgPinLo(int index);