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Implement dbg log interface

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This commit is contained in:
TuxSH 2018-03-06 01:29:06 +01:00
parent a65d380889
commit d2b1febb43
11 changed files with 471 additions and 1 deletions
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12
exosphere/src/uart.c
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@ -1,4 +1,14 @@
#include "uart.h"
#include "misc.h"
void uart_select(unsigned int id) {
/* This confirmation is valid for UART-A, I don't know about the other UARTs. */
/* Official Nintendo code (for UART-A, at least) */
PINMUX_AUX_UARTn_TX_0(id) = 0; /* UART */
PINMUX_AUX_UARTn_RX_0(id) = 0x48; /* UART, enable, pull up */
PINMUX_AUX_UARTn_RTS_0(id) = 0; /* UART */
PINMUX_AUX_UARTn_CTS_0(id) = 0x44; /* UART, enable, pull down */
}
void uart_initialize(uint16_t divider) {
/* Setup UART in 16450 mode. We assume the relevant UART clock has been enabled. */
@ -33,4 +43,4 @@ void uart_transmit_hex(uint32_t value) {
uint32_t nibble = (value >> (28 - i * 4)) & 0xF;
uart_transmit_char("0123456789ABCDEF"[nibble]);
}
}
}