mirror of
https://github.com/Polprzewodnikowy/SummerCart64.git
synced 2024-11-29 00:44:13 +01:00
80 lines
1.9 KiB
C
80 lines
1.9 KiB
C
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#include "uart.h"
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#include "rtc.h"
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#ifdef DEBUG
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static const char hex_char_map[16] = {
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'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'
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};
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#endif
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void uart_print (const char *text) {
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#ifdef DEBUG
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while (*text != '\0') {
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while (!(UART->SCR & UART_SCR_TXE));
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UART->DR = *text++;
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}
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#endif
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}
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void uart_print_02hex (uint8_t number) {
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#ifdef DEBUG
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char buffer[3];
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buffer[0] = hex_char_map[(number >> 4) & 0x0F];
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buffer[1] = hex_char_map[number & 0x0F];
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buffer[2] = '\0';
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uart_print(buffer);
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#endif
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}
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void uart_print_08hex (uint32_t number) {
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#ifdef DEBUG
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uart_print_02hex((number >> 24) & 0xFF);
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uart_print_02hex((number >> 16) & 0xFF);
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uart_print_02hex((number >> 8) & 0xFF);
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uart_print_02hex((number >> 0) & 0xFF);
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#endif
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}
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void uart_init (void) {
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#ifdef DEBUG
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uart_print("App ready!\n");
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#endif
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}
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void process_uart (void) {
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#ifdef DEBUG
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rtc_time_t *time;
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if (UART->SCR & USB_SCR_RXNE) {
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switch (UART->DR) {
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case '/':
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uart_print("Bootloader reset...\n");
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reset_handler();
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break;
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case '\'':
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uart_print("App reset...\n");
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app_handler();
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break;
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case 't':
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time = rtc_get_time();
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uart_print("Current time: ");
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if (rtc_is_time_running()) {
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uart_print("(running) ");
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}
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if (rtc_is_time_valid()) {
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uart_print("(valid) ");
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}
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for (int i = 0; i < 7; i++) {
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uart_print_02hex(((uint8_t *) (time))[i]);
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uart_print(" ");
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}
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uart_print("\r\n");
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}
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}
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#endif
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}
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