void spiTest2() {
csInit ();
spiInit(SPI1);
while(1){
GPIOE->BSRRH |= GPIO_Pin_3; // set PE3 (CS) low
SPI1_send(0xAA); // transmit data
received_val = SPI1_send(0x00); // transmit dummy byte and receive data
GPIOE->BSRRL |= GPIO_Pin_3; // set PE3 (CS) high
}
}
int main(void){
uint8_t received_val = 0;
init_SPI1();
while(1){
GPIOE->BSRRH |= GPIO_Pin_7; // set PE7 (CS) low
SPI1_send(0xAA); // transmit data
received_val = SPI1_send(0x00); // transmit dummy byte and receive data
GPIOE->BSRRL |= GPIO_Pin_7; // set PE7 (CS) high
}
}
void HwLcdSend(uint16_t data)
{
SPI1_send(data);
}
