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GPIO tested; add monitoring. TODO: USB/SPI/I2C

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This commit is contained in:
Edward Emelianov
2026-03-10 00:20:43 +03:00
parent 9713b10cd4
commit 8e78a12f06
12 changed files with 770 additions and 199 deletions
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52
F0:F030,F042,F072/usbcan_gpio/gpio.h
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@@ -20,6 +20,17 @@
#include <stdint.h>
#ifdef EBUG
#define USBIF IGPIO
#include "strfunc.h"
#define DBG(x) SEND(x)
#define DBGNL() NL()
#else
#define DBG(x)
#define DBGNL()
#endif
// MODER
typedef enum{
MODE_INPUT = 0,
@@ -48,11 +59,15 @@ typedef enum{
SPEED_HIGH = 3
} pinspeed_t;
enum FuncShifts{ // shift 1 by this to get "canUSART" etc; not more than 7!
// !!! FuncNames means position of bit in funcvalues_t.flags!
enum FuncNames{ // shift 1 by this to get "canUSART" etc; not more than 7!
FUNC_AIN = 0,
FUNC_USART = 1,
FUNC_SPI = 2,
FUNC_I2C = 3,
FUNC_AMOUNT // just for arrays' sizes
};
/*
typedef union{
struct{
uint8_t canADC : 1;
@@ -61,14 +76,15 @@ typedef union{
};
uint8_t flags;
} funcvalues_t;
*/
typedef struct{
uint8_t enable : 1; // [immutable!] pin config avialable (==1 for PA0-PA3, PA5-PA7, PA9, PA10, PB0-PB7, PB10, PB11, ==0 for rest)
pinmode_t mode : 2;
pinpull_t pull : 2;
pinout_t otype : 1;
pinspeed_t speed : 2;
uint8_t af : 3; // alternate function number (only if mode == MODE_AF)
uint8_t afno : 3; // alternate function number (only if mode == MODE_AF)
uint8_t af : 3; // alternate function name (`FuncNames`)
uint8_t monitor : 1; // monitor changes
} pinconfig_t;
@@ -88,5 +104,31 @@ typedef struct{
uint8_t enabled : 1;
} spiconfig_t;
int is_func_allowed(uint8_t port, uint8_t pin, pinconfig_t *pcfg);
// strings for keywords
extern const char *str_keywords[];
#define KEYWORDS \
KW(AIN) \
KW(IN) \
KW(OUT) \
KW(AF) \
KW(PU)\
KW(PD) \
KW(FL) \
KW(PP) \
KW(OD) \
KW(USART) \
KW(SPI) \
KW(I2C) \
KW(MONITOR)
enum{ // indexes of string keywords
#define KW(k) STR_ ## k,
KEYWORDS
#undef KW
};
int set_pinfunc(uint8_t port, uint8_t pin, pinconfig_t *pcfg);
int gpio_reinit();
int pin_out(uint8_t port, uint8_t pin, uint8_t newval);
int16_t pin_in(uint8_t port, uint8_t pin);
uint16_t gpio_alert(uint8_t port);