Revision 263
starting uart tests
| proj/include/uart.h | ||
|---|---|---|
| 34 | 34 |
uint8_t modem_stat_int :1; |
| 35 | 35 |
} uart_config; |
| 36 | 36 |
|
| 37 |
int (subscribe_uart_interrupt)(uint8_t interrupt_bit, int *interrupt_id); |
|
| 38 |
|
|
| 37 | 39 |
int uart_get_config(int base_addr, uart_config *config); |
| 38 | 40 |
void uart_print_config(uart_config config); |
| 39 | 41 |
|
| proj/src/interrupts_func.c | ||
|---|---|---|
| 5 | 5 |
#include "i8254.h" |
| 6 | 6 |
#include "keyboard.h" |
| 7 | 7 |
#include "mouse.h" |
| 8 |
#include "uart.h" |
|
| 8 | 9 |
#include "utils.h" |
| 9 | 10 |
#include "errors.h" |
| 10 | 11 |
|
| ... | ... | |
| 14 | 15 |
|
| 15 | 16 |
static int mouse_subscribed = 0, mouse_id; |
| 16 | 17 |
|
| 18 |
static int uart_subscribed = 0, uart_id; |
|
| 19 |
|
|
| 17 | 20 |
static void (*const ih[])(void) = { timer_int_handler,
|
| 18 | 21 |
kbc_ih, |
| 19 | 22 |
NULL, |
| ... | ... | |
| 96 | 99 |
return SBCR_ERROR; |
| 97 | 100 |
} |
| 98 | 101 |
|
| 102 |
/// UART interrupt handling |
|
| 103 |
uart_id = 0; |
|
| 104 |
uart_enable_int_rx (COM1_ADDR); |
|
| 105 |
uart_disable_int_tx(COM1_ADDR); |
|
| 106 |
if(subscribe_uart_interrupt(COM1_IRQ, &uart_id)) {
|
|
| 107 |
printf("%s: failed to subscribe UART interrupts.\n", __func__);
|
|
| 108 |
return SBCR_ERROR; |
|
| 109 |
} |
|
| 110 |
uart_subscribed = 1; |
|
| 111 |
|
|
| 99 | 112 |
return SUCCESS; |
| 100 | 113 |
} |
| 101 | 114 |
|
| ... | ... | |
| 141 | 154 |
mouse_subscribed = 0; |
| 142 | 155 |
} |
| 143 | 156 |
|
| 157 |
// Unsubscribe UART interrupts |
|
| 158 |
if (uart_subscribed) {
|
|
| 159 |
if (unsubscribe_interrupt(&uart_id)) {
|
|
| 160 |
printf("%s: failed to unsubcribe UART interrupts.\n");
|
|
| 161 |
r = UNSBCR_ERROR; |
|
| 162 |
} |
|
| 163 |
uart_enable_int_rx(COM1_ADDR); |
|
| 164 |
uart_enable_int_tx(COM1_ADDR); |
|
| 165 |
uart_subscribed = 0; |
|
| 166 |
} |
|
| 167 |
|
|
| 144 | 168 |
return r; |
| 145 | 169 |
} |
| 146 | 170 |
|
| proj/src/proj.c | ||
|---|---|---|
| 188 | 188 |
break; |
| 189 | 189 |
} |
| 190 | 190 |
break; |
| 191 |
#endif |
|
| 191 | 192 |
case KBC_IRQ: |
| 192 | 193 |
switch (game_state) {
|
| 193 | 194 |
case MENU: |
| ... | ... | |
| 213 | 214 |
break; |
| 214 | 215 |
} |
| 215 | 216 |
break; |
| 217 |
#ifndef DIOGO |
|
| 216 | 218 |
case MOUSE_IRQ: |
| 217 | 219 |
if (counter_mouse_ih >= 3) {
|
| 218 | 220 |
mouse_parse_packet(packet_mouse_ih, &pp); |
| proj/src/uart.c | ||
|---|---|---|
| 78 | 78 |
#define UART_GET_FRAMING_ERROR (((n)&UART_FRAMING_ERROR )>>UART_FRAMING_ERROR_POS ) |
| 79 | 79 |
#define UART_GET_TRANSMITTER_EMPTY(n) (((n)&UART_TRANSMITTER_EMPTY )>>UART_TRANSMITTER_EMPTY_POS ) |
| 80 | 80 |
|
| 81 |
int (subscribe_uart_interrupt)(uint8_t interrupt_bit, int *interrupt_id) {
|
|
| 82 |
if (interrupt_id == NULL) return 1; |
|
| 83 |
*interrupt_id = interrupt_bit; |
|
| 84 |
return (sys_irqsetpolicy(COM1_IRQ, IRQ_REENABLE | IRQ_EXCLUSIVE, interrupt_id)); |
|
| 85 |
} |
|
| 86 |
|
|
| 81 | 87 |
static void uart_parse_config(uart_config *config){
|
| 82 | 88 |
/// LCR |
| 83 | 89 |
config->bits_per_char = UART_GET_BITS_PER_CHAR (config->lcr); |
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