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authorknolax <1339802534.kk@gmail.com>2017-12-29 16:12:14 -0500
committerknolax <1339802534.kk@gmail.com>2017-12-29 16:12:14 -0500
commit0be25ac4e78f21b42592ee9183c0159efa40270a (patch)
tree125014b8cc199dec0be7f1af8cc8ded152968586 /skey.c
parent42dd37ade1869064b3404ec8e62ca52c8e323985 (diff)
added debug prints, testing this in production at the moment, also increased the scan period back to 1s.
Diffstat (limited to 'skey.c')
-rw-r--r--skey.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/skey.c b/skey.c
index bc94680..070be79 100644
--- a/skey.c
+++ b/skey.c
@@ -165,12 +165,14 @@ int processkey(int row, int column, int state) {
break;
//if current_keymap is out of range [0,3]
default:
+ printk(KERN_ALERT "skey: current_keymap out of bounds\n")
return -EINVAL;
break;
}
-
+ printk("skey: previous KEYSTATE_PHYS for r:%d,c:%d was %d\n", row, column, (KEYSTATE_PHYS & keystate[row][column]));
//falling edge
if ((KEYSTATE_PHYS & keystate[row][column]) && !state) {
+ printk(KERN_INFO "skey: falling edge detected for r:%d,c:%d\n". row. column);
//after the previous keystate is checked, it is updated
if (state) {
keystate[row][column] = KEYSTATE_PHYS | keystate[row][column];
@@ -186,6 +188,7 @@ int processkey(int row, int column, int state) {
}
//rising edge
}else if (!(KEYSTATE_PHYS & keystate[row][column]) && state) {
+ printk(KERN_INFO "skey: rising edge detected for r:%d,c:%d\n". row. column);
//after the previous keystate is checked, it is updated
if (state) {
keystate[row][column] = KEYSTATE_PHYS | keystate[row][column];
@@ -254,7 +257,7 @@ int processkey(int row, int column, int state) {
input_sync(skey_dev);
return 0;
break;
- }
+ }
//if it's stickymode, toggle the state stored and send corresponding vent
if (stickymode) {
//it was high before, so now it's being toggled off
@@ -309,6 +312,7 @@ int skey_update_thread (void *data) {
while (column_index < 10) {
if (gpio_get_value_cansleep(column_pins[column_index])) {
processkey(row_index, column_index, 1);
+ printk(KERN_INFO, "skey:button pressed at r:%d,c:%d\n", row_index, column_index);
} else {
processkey(row_index, column_index, 0);
}
@@ -322,7 +326,7 @@ int skey_update_thread (void *data) {
}
//sleep 500us= .5ms = 0.0005 seconds
// 1 / 0.0005 = 2000 hz fastest, but it's really 1/0.00052
- usleep_range(500,500);
+ usleep_range(1000000,1000000);
//for when the thread has to stop
if (kthread_should_stop()) {
break;