uint32_t dma_storm_uart_stop(void){
uartStopSend(&UARTD6);
uartStopReceive(&UARTD6);
uartStop(&UARTD6);
return its;
}
/*
* Application entry point.
*/
int main(void) {
/*
* System initializations.
* - HAL initialization, this also initializes the configured device drivers
* and performs the board-specific initializations.
* - Kernel initialization, the main() function becomes a thread and the
* RTOS is active.
*/
halInit();
chSysInit();
/*
* Activates the UART driver 2, PA2(TX) and PA3(RX) are routed to USART2.
*/
uartStart(&UARTD2, &uart_cfg_1);
palSetPadMode(GPIOA, 2, PAL_MODE_ALTERNATE(7));
palSetPadMode(GPIOA, 3, PAL_MODE_ALTERNATE(7));
/*
* Normal main() thread activity, in this demo it does nothing.
*/
while (true) {
if (palReadPad(GPIOA, GPIOA_BUTTON)) {
/*
* Starts both a transmission and a receive operations, both will be
* handled entirely in background.
*/
uartStopReceive(&UARTD2);
uartStopSend(&UARTD2);
uartStartReceive(&UARTD2, 16, buffer);
uartStartSend(&UARTD2, 16, message);
}
chThdSleepMilliseconds(500);
}
}
