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27 lines
570 B
C
27 lines
570 B
C
#include "py/mphal.h"
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#include "usb.h"
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#include "common.h"
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static int vcp_iface_num = -1;
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int mp_hal_stdin_rx_chr(void) {
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ensure(sectrue * (vcp_iface_num >= 0), "vcp stdio is not configured");
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uint8_t c = 0;
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usb_vcp_read_blocking(vcp_iface_num, &c, 1, -1);
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return c;
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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 (vcp_iface_num >= 0) {
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usb_vcp_write_blocking(vcp_iface_num, (const uint8_t *)str, len, 0);
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} else {
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// no-op
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}
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}
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void mp_hal_set_vcp_iface(int iface_num) {
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vcp_iface_num = iface_num;
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}
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