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01156d510c
Using PendSV interrupt at lowest priority, code can now raise an exception during an interrupt by calling pendsv_nlr_jump. The exception will be raised when all interrupts are finished. This is used to trap ctrl-C from the USB VCP to break out of running Python code.
18 lines
560 B
C
18 lines
560 B
C
#define VCP_CHAR_NONE (0)
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#define VCP_CHAR_CTRL_C (3)
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#define VCP_CHAR_CTRL_D (4)
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void pyb_usb_dev_init(void);
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bool usb_vcp_is_enabled(void);
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void usb_vcp_set_interrupt_char(int c);
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int usb_vcp_rx_any(void);
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char usb_vcp_rx_get(void);
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void usb_vcp_send_str(const char* str);
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void usb_vcp_send_strn(const char* str, int len);
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void usb_vcp_send_strn_cooked(const char *str, int len);
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void usb_hid_send_report(uint8_t *buf); // 4 bytes for mouse: ?, x, y, ?
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void pyb_usb_host_init(void);
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void pyb_usb_host_process(void);
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uint pyb_usb_host_get_keyboard(void);
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