URL https://opencores.org/ocsvn/or1k/or1k/trunk

Subversion Repositories or1k

[/] [or1k/] [tags/] [stable_0_2_0_rc2/] [or1ksim/] [peripheral/] [16450.c] - Diff between revs 1505 and 1517

Rev 1505	Rev 1517
Line 529...	Line 529...

`/* Checks if there is a character waiting to be received */`	`/* Checks if there is a character waiting to be received */`
`void uart_check_char(void *dat)`	`void uart_check_char(void *dat)`
`{`	`{`
`struct dev_16450 *uart = dat;`	`struct dev_16450 *uart = dat;`
`char buffer[1];`	`uint8_t buffer;`
`int retval;`	`int retval;`

`/* Check if there is something waiting, and put it into rxser */`	`/* Check if there is something waiting, and put it into rxser */`
`retval = channel_read(uart->channel, buffer, 1);`	`retval = channel_read(uart->channel, &buffer, 1);`
`if(retval > 0) {`	`if(retval > 0) {`
`uart->iregs.rxser = (unsigned char)buffer[0];`	TRACE("Shifting 0x%02"PRIx8" (`%c') into shift reg\n", buffer, buffer);
	`uart->iregs.rxser = buffer;`
`uart->istat.receiveing = 1;`	`uart->istat.receiveing = 1;`
`SCHED_ADD(uart_recv_char, uart, uart->char_clks * UART_CLOCK_DIVIDER);`	`SCHED_ADD(uart_recv_char, uart, uart->char_clks * UART_CLOCK_DIVIDER);`
`return;`	`return;`
`}`	`}`