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Add calls to dis/enable potato uart IRQ

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Signed-off-by: Michael Neuling <mikey@neuling.org>
This commit is contained in:
Michael Neuling
2020-04-23 14:28:08 +10:00
parent dc6b1df653
commit fc5f7506f8
2 changed files with 12 additions and 0 deletions
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10
hello_world/console.c
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@@ -91,6 +91,16 @@ void potato_uart_init(void)
potato_uart_reg_write(POTATO_CONSOLE_CLOCK_DIV, potato_uart_divisor(PROC_FREQ, UART_FREQ));
}
void potato_uart_irq_en(void)
{
potato_uart_reg_write(POTATO_CONSOLE_IRQ_EN, 0xff);
}
void potato_uart_irq_dis(void)
{
potato_uart_reg_write(POTATO_CONSOLE_IRQ_EN, 0x00);
}
int getchar(void)
{
while (potato_uart_rx_empty())

2
hello_world/console.h
View File

@@ -1,6 +1,8 @@
#include <stddef.h>
void potato_uart_init(void);
void potato_uart_irq_en(void);
void potato_uart_irq_dis(void);
int getchar(void);
void putchar(unsigned char c);
void putstr(const char *str, unsigned long len);