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Make serial device sort of work. One way.
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@ -11,7 +11,7 @@
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#include "bus.h"
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#include "device.h"
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const static char *pipepath = "/tmp/serial"; /* should really be configurable */
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const static char *pipepath = "/tmp/serial_tx"; /* should really be configurable */
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struct device_serial_priv {
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int pipefd;
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@ -43,6 +43,8 @@ device_serial_write_1(void *vd, uint16_t offset, uint8_t val)
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d = (device_t *) vd;
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dp = d->aux;
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/*fprintf(stderr, "writing to fd %d val %x", dp->pipefd, val);*/
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write(dp->pipefd, &val, 1);
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fsync(dp->pipefd);
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}
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@ -65,8 +67,13 @@ device_serial_init()
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dp = (struct device_serial_priv *) malloc(sizeof(struct device_serial_priv));
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d->aux = dp;
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if (mkfifo(pipepath, S_IRUSR | S_IWUSR) != 0) {
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fprintf(stderr, "Creating FIFO for serial port failed!\n");
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/* perror, handle this failure... */
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}
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dp->pipefd = mkfifo(pipepath, 600);
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dp->pipefd = open(pipepath, O_RDWR);
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return d;
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}
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@ -75,6 +82,6 @@ void
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device_serial_finish(device_t *d)
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{
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free(d->aux);
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//close pipe
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//close pipe etc.
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}
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