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tm1637 signs of life, terminal builtin cmds
[cortex-from-scratch]
/
drivers
/
uart.c
diff --git
a/drivers/uart.c
b/drivers/uart.c
index
a107548
..
4693c6f
100644
(file)
--- a/
drivers/uart.c
+++ b/
drivers/uart.c
@@
-75,7
+75,7
@@
static void wait() {
for (int i = 0; i < 100; i++);
}
for (int i = 0; i < 100; i++);
}
-
extern
void uart_putc(unsigned char ch) {
+void uart_putc(unsigned char ch) {
if (ch == '\n') {
while (*USART1_SR & 0x0C) { } // transmit data register empty and complete
if (ch == '\n') {
while (*USART1_SR & 0x0C) { } // transmit data register empty and complete
@@
-102,10
+102,10
@@
char uart_getc(void) {
// move to library
// move to library
-extern void uart_puts(unsigned char *str) {
+
/*
extern void uart_puts(unsigned char *str) {
int i;
for (i = 0; i < strlen(str); i++) {
uart_putc(str[i]);
}
int i;
for (i = 0; i < strlen(str); i++) {
uart_putc(str[i]);
}
-}
+}
*/