uint8_t board_eink_exchange(uint8_t tx)
Exchange one full-duplex SPI byte with the modelled controller.
bool board_eink_attach(void)
Attach (arm) the modelled IT8951 e-paper controller.
void board_eink_reset(void)
Reset the controller's command / read framing to power-on.
void board_eink_apply_gpio_defaults(void)
Re-arm the panel HRDY "ready" GPIO input high (if attached).
void board_eink_report(void)
Print the controller's end-of-run summary line (if attached).
bool board_eink_attached(void)
Report whether the IT8951 controller is currently attached.