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mphalport.h
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mphalport.h
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// We use the ST Cube HAL library for most hardware peripherals
#include STM32_HAL_H
#include "pin.h"
extern const unsigned char mp_hal_status_to_errno_table[4];
static inline int mp_hal_status_to_neg_errno(HAL_StatusTypeDef status) {
return -mp_hal_status_to_errno_table[status];
}
NORETURN void mp_hal_raise(HAL_StatusTypeDef status);
void mp_hal_set_interrupt_char(int c); // -1 to disable
// timing functions
#include "irq.h"
#if __CORTEX_M == 0
// Don't have raise_irq_pri on Cortex-M0 so keep IRQs enabled to have SysTick timing
#define mp_hal_quiet_timing_enter() (1)
#define mp_hal_quiet_timing_exit(irq_state) (void)(irq_state)
#else
#define mp_hal_quiet_timing_enter() raise_irq_pri(1)
#define mp_hal_quiet_timing_exit(irq_state) restore_irq_pri(irq_state)
#endif
#define mp_hal_delay_us_fast(us) mp_hal_delay_us(us)
void mp_hal_ticks_cpu_enable(void);
static inline mp_uint_t mp_hal_ticks_cpu(void) {
#if __CORTEX_M == 0
return 0;
#else
if (!(DWT->CTRL & DWT_CTRL_CYCCNTENA_Msk)) {
mp_hal_ticks_cpu_enable();
}
return DWT->CYCCNT;
#endif
}
// C-level pin HAL
#include "pin.h"
#define MP_HAL_PIN_FMT "%q"
#define MP_HAL_PIN_MODE_INPUT (0)
#define MP_HAL_PIN_MODE_OUTPUT (1)
#define MP_HAL_PIN_MODE_ALT (2)
#define MP_HAL_PIN_MODE_ANALOG (3)
#if defined(GPIO_ASCR_ASC0)
#define MP_HAL_PIN_MODE_ADC (11)
#else
#define MP_HAL_PIN_MODE_ADC (3)
#endif
#define MP_HAL_PIN_MODE_OPEN_DRAIN (5)
#define MP_HAL_PIN_MODE_ALT_OPEN_DRAIN (6)
#define MP_HAL_PIN_PULL_NONE (GPIO_NOPULL)
#define MP_HAL_PIN_PULL_UP (GPIO_PULLUP)
#define MP_HAL_PIN_PULL_DOWN (GPIO_PULLDOWN)
#define MP_HAL_PIN_SPEED_LOW (GPIO_SPEED_FREQ_LOW)
#define MP_HAL_PIN_SPEED_MEDIUM (GPIO_SPEED_FREQ_MEDIUM)
#define MP_HAL_PIN_SPEED_HIGH (GPIO_SPEED_FREQ_HIGH)
#define MP_HAL_PIN_SPEED_VERY_HIGH (GPIO_SPEED_FREQ_VERY_HIGH)
#define mp_hal_pin_obj_t const pin_obj_t *
#define mp_hal_get_pin_obj(o) pin_find(o)
#define mp_hal_pin_name(p) ((p)->name)
#define mp_hal_pin_input(p) mp_hal_pin_config((p), MP_HAL_PIN_MODE_INPUT, MP_HAL_PIN_PULL_NONE, 0)
#define mp_hal_pin_output(p) mp_hal_pin_config((p), MP_HAL_PIN_MODE_OUTPUT, MP_HAL_PIN_PULL_NONE, 0)
#define mp_hal_pin_open_drain(p) mp_hal_pin_config((p), MP_HAL_PIN_MODE_OPEN_DRAIN, MP_HAL_PIN_PULL_NONE, 0)
#define mp_hal_pin_high(p) (((p)->gpio->BSRR) = (p)->pin_mask)
#define mp_hal_pin_low(p) (((p)->gpio->BSRR) = ((p)->pin_mask << 16))
#define mp_hal_pin_od_low(p) mp_hal_pin_low(p)
#define mp_hal_pin_od_high(p) mp_hal_pin_high(p)
#define mp_hal_pin_read(p) (((p)->gpio->IDR >> (p)->pin) & 1)
#define mp_hal_pin_write(p, v) ((v) ? mp_hal_pin_high(p) : mp_hal_pin_low(p))
void mp_hal_gpio_clock_enable(GPIO_TypeDef *gpio);
void mp_hal_pin_config(mp_hal_pin_obj_t pin, uint32_t mode, uint32_t pull, uint32_t alt);
bool mp_hal_pin_config_alt(mp_hal_pin_obj_t pin, uint32_t mode, uint32_t pull, uint8_t fn, uint8_t unit);
void mp_hal_pin_config_speed(mp_hal_pin_obj_t pin_obj, uint32_t speed);
enum {
MP_HAL_MAC_WLAN0 = 0,
MP_HAL_MAC_WLAN1,
MP_HAL_MAC_BDADDR,
MP_HAL_MAC_ETH0,
};
void mp_hal_generate_laa_mac(int idx, uint8_t buf[6]);
void mp_hal_get_mac(int idx, uint8_t buf[6]);
void mp_hal_get_mac_ascii(int idx, size_t chr_off, size_t chr_len, char *dest);