circuitpython/stmhal/mphal.h
Damien George 0851751615 stmhal: Factor GPIO clock enable logic into mp_hal_gpio_clock_enable.
Extracted GPIO clock enable logic into mp_hal_gpio_clock_enable
and called from anyplace which might need to use GPIO functions
on ports other than A-D.

Thanks to Dave Hylands for the patch.
2015-08-03 00:14:48 +01:00

26 lines
990 B
C

// We use the ST Cube HAL library for most hardware peripherals
#include STM32_HAL_H
// Basic GPIO functions
#define GPIO_read_pin(gpio, pin) (((gpio)->IDR >> (pin)) & 1)
#if defined(STM32F7)
#define GPIO_set_pin(gpio, pin_mask) (((gpio)->BSRR) = (pin_mask))
#define GPIO_clear_pin(gpio, pin_mask) (((gpio)->BSRR) = ((pin_mask) << 16))
#else
#define GPIO_set_pin(gpio, pin_mask) (((gpio)->BSRRL) = (pin_mask))
#define GPIO_clear_pin(gpio, pin_mask) (((gpio)->BSRRH) = (pin_mask))
#endif
#define GPIO_read_output_pin(gpio, pin) (((gpio)->ODR >> (pin)) & 1)
void mp_hal_gpio_clock_enable(GPIO_TypeDef *gpio);
extern const byte mp_hal_status_to_errno_table[4];
NORETURN void mp_hal_raise(HAL_StatusTypeDef status);
void mp_hal_set_interrupt_char(int c); // -1 to disable
int mp_hal_stdin_rx_chr(void);
void mp_hal_stdout_tx_str(const char *str);
void mp_hal_stdout_tx_strn(const char *str, mp_uint_t len);
void mp_hal_stdout_tx_strn_cooked(const char *str, mp_uint_t len);