int main(void)
{
clock_setup();
usart_clock_setup();
gpio_setup();
usart_setup();
printf("\r\nstarting i2c scan.\r\n");
int i, j;
for (i = 1; i < 0x80; i++) {
i2c_init();
msleep(50);
for (j = 0; j < 0x100; j++) {
int data; // = 0;
data = i2c_read(I2C3, i, j);
if (data > -1) {
if (data) {
printf("device on address 0x%02X : reg = 0x%02X with data == 0x%02X\r\n", i, j, data);
}
} else {
printf("errerr!!\r\n");
break;
}
//i2c_send_stop(I2C3);
}
i2c_deinit();
msleep(50);
}
printf("scan ended!\r\n");
return 0;
}
void usart_setup(void)
{
usart_clock_setup();
usart_gpio_setup();
nvic_enable_irq(NVIC_USART2_IRQ);
/* Setup USART2 parameters. */
usart_set_baudrate(USART2, 115200);
usart_set_databits(USART2, 8);
usart_set_stopbits(USART2, USART_STOPBITS_1);
usart_set_mode(USART2, USART_MODE_TX | USART_MODE_RX);
usart_set_parity(USART2, USART_PARITY_NONE);
usart_set_flow_control(USART2, USART_FLOWCONTROL_NONE);
/* Enable USART2 Receive interrupt. */
usart_enable_rx_interrupt(USART2);
/* Finally enable the USART. */
usart_enable(USART2);
/* Disable stupid output buffers. */
setbuf(stdout, NULL);
}
