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43 lines
850 B
Plaintext
43 lines
850 B
Plaintext
4 years ago
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#include "serial.h"
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#include "usb_start.h"
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#define MAX_PRINTF_BUFFER (64)
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static uint8_t printf_buffer[MAX_PRINTF_BUFFER];
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static volatile bool b_usb_ready = false;
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static bool usb_cb_state_c(usb_cdc_control_signal_t state)
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{
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if(state.rs232.DTR == 1)
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{
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b_usb_ready = true;
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}
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else
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{
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b_usb_ready = false;
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}
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return false;
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}
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void arc_serial_init()
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{
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memset(printf_buffer, '\0', MAX_PRINTF_BUFFER);
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usb_init();
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while(!cdcdf_acm_is_enabled()){}
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cdcdf_acm_register_callback(CDCDF_ACM_CB_STATE_C, (FUNC_PTR)usb_cb_state_c);
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while(!b_usb_ready);
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delay_ms(2000);
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}
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uint8_t arc_printf(const char* fmt, ...)
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{
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while(!b_usb_ready){}
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va_list args;
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va_start(args, fmt);
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vsprintf(printf_buffer, fmt, args);
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va_end(args);
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volatile int32_t ret = cdcdf_acm_write(printf_buffer, (uint32_t)(strlen((const char*)printf_buffer)));
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return 0;
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}
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