145 lines
3.9 KiB
C
145 lines
3.9 KiB
C
#include <string.h>
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#include "py/mpstate.h"
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#include "py/runtime.h"
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#include "py/mperrno.h"
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#include "py/mphal.h"
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#include "usb.h"
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#include "uart.h"
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// this table converts from HAL_StatusTypeDef to POSIX errno
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const byte mp_hal_status_to_errno_table[4] = {
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[HAL_OK] = 0,
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[HAL_ERROR] = MP_EIO,
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[HAL_BUSY] = MP_EBUSY,
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[HAL_TIMEOUT] = MP_ETIMEDOUT,
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};
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NORETURN void mp_hal_raise(HAL_StatusTypeDef status) {
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mp_raise_OSError(mp_hal_status_to_errno_table[status]);
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}
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void mp_hal_set_interrupt_char(int c) {
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usb_vcp_set_interrupt_char(c);
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}
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int mp_hal_stdin_rx_chr(void) {
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for (;;) {
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#if 0
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#ifdef USE_HOST_MODE
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pyb_usb_host_process();
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int c = pyb_usb_host_get_keyboard();
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if (c != 0) {
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return c;
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}
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#endif
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#endif
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byte c;
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if (usb_vcp_recv_byte(&c) != 0) {
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return c;
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} else if (MP_STATE_PORT(pyb_stdio_uart) != NULL && uart_rx_any(MP_STATE_PORT(pyb_stdio_uart))) {
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return uart_rx_char(MP_STATE_PORT(pyb_stdio_uart));
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}
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__WFI();
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}
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}
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void mp_hal_stdout_tx_str(const char *str) {
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mp_hal_stdout_tx_strn(str, strlen(str));
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}
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void mp_hal_stdout_tx_strn(const char *str, size_t len) {
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if (MP_STATE_PORT(pyb_stdio_uart) != NULL) {
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uart_tx_strn(MP_STATE_PORT(pyb_stdio_uart), str, len);
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}
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#if 0 && defined(USE_HOST_MODE) && MICROPY_HW_HAS_LCD
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lcd_print_strn(str, len);
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#endif
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if (usb_vcp_is_enabled()) {
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usb_vcp_send_strn(str, len);
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}
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}
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void mp_hal_stdout_tx_strn_cooked(const char *str, size_t len) {
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// send stdout to UART and USB CDC VCP
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if (MP_STATE_PORT(pyb_stdio_uart) != NULL) {
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uart_tx_strn_cooked(MP_STATE_PORT(pyb_stdio_uart), str, len);
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}
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if (usb_vcp_is_enabled()) {
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usb_vcp_send_strn_cooked(str, len);
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}
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}
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void mp_hal_gpio_clock_enable(GPIO_TypeDef *gpio) {
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if (0) {
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#ifdef __GPIOA_CLK_ENABLE
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} else if (gpio == GPIOA) {
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__GPIOA_CLK_ENABLE();
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#endif
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#ifdef __GPIOB_CLK_ENABLE
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} else if (gpio == GPIOB) {
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__GPIOB_CLK_ENABLE();
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#endif
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#ifdef __GPIOC_CLK_ENABLE
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} else if (gpio == GPIOC) {
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__GPIOC_CLK_ENABLE();
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#endif
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#ifdef __GPIOD_CLK_ENABLE
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} else if (gpio == GPIOD) {
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__GPIOD_CLK_ENABLE();
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#endif
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#ifdef __GPIOE_CLK_ENABLE
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} else if (gpio == GPIOE) {
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__GPIOE_CLK_ENABLE();
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#endif
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#ifdef __GPIOF_CLK_ENABLE
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} else if (gpio == GPIOF) {
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__GPIOF_CLK_ENABLE();
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#endif
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#ifdef __GPIOG_CLK_ENABLE
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} else if (gpio == GPIOG) {
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__GPIOG_CLK_ENABLE();
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#endif
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#ifdef __GPIOH_CLK_ENABLE
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} else if (gpio == GPIOH) {
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__GPIOH_CLK_ENABLE();
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#endif
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#if defined(GPIOI) && defined(__GPIOI_CLK_ENABLE)
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} else if (gpio == GPIOI) {
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__GPIOI_CLK_ENABLE();
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#endif
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#if defined(GPIOJ) && defined(__GPIOJ_CLK_ENABLE)
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} else if (gpio == GPIOJ) {
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__GPIOJ_CLK_ENABLE();
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#endif
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#if defined(GPIOK) && defined(__GPIOK_CLK_ENABLE)
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} else if (gpio == GPIOK) {
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__GPIOK_CLK_ENABLE();
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#endif
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}
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}
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void mp_hal_gpio_config(GPIO_TypeDef *gpio, uint32_t pin, uint32_t mode, uint32_t pull, uint32_t alt) {
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mp_hal_gpio_clock_enable(gpio);
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gpio->MODER = (gpio->MODER & ~(3 << (2 * pin))) | ((mode & 3) << (2 * pin));
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gpio->OTYPER = (gpio->OTYPER & ~(1 << pin)) | ((mode >> 2) << pin);
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gpio->OSPEEDR = (gpio->OSPEEDR & ~(3 << (2 * pin))) | (2 << (2 * pin)); // full speed
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gpio->PUPDR = (gpio->PUPDR & ~(3 << (2 * pin))) | (pull << (2 * pin));
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gpio->AFR[pin >> 3] = (gpio->AFR[pin >> 3] & ~(15 << (4 * (pin & 7)))) | (alt << (4 * (pin & 7)));
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}
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bool mp_hal_gpio_set_af(const pin_obj_t *pin, GPIO_InitTypeDef *init, uint8_t fn, uint8_t unit) {
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mp_hal_gpio_clock_enable(pin->gpio);
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const pin_af_obj_t *af = pin_find_af(pin, fn, unit);
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if (af == NULL) {
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return false;
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}
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init->Pin = pin->pin_mask;
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init->Alternate = af->idx;
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HAL_GPIO_Init(pin->gpio, init);
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return true;
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}
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