ds1338L: Fix a logic bug

Used a boolean not instead of a binary one.

Signed-off-by: Michel Pollet <buserror@gmail.com>

diff --git a/examples/parts/ds1338_virt.c b/examples/parts/ds1338_virt.c
index 5381a16..6581733 100644 (file)
--- a/examples/parts/ds1338_virt.c
+++ b/examples/parts/ds1338_virt.c
@@ -159,7 +159,7 @@ ds1338_virt_tick_time(ds1338_virt_t *p) {
                if (cascade) {
                        if (pm) {
                                // Switch to AM
-                               p->nvram[DS1338_VIRT_HOURS] &= !(1 << DS1338_VIRT_AM_PM);
+                               p->nvram[DS1338_VIRT_HOURS] &= ~(1 << DS1338_VIRT_AM_PM);
                        } else {
                                // Switch to PM and catch the cascade
                                p->nvram[DS1338_VIRT_HOURS] |= (1 << DS1338_VIRT_AM_PM);
@@ -417,7 +417,7 @@ ds1338_virt_in_hook(struct avr_irq_t * irq,
                        // Write to the selected register (see p13. DS1388 datasheet for details)
                        if (p->reg_selected) {
                                if (p->verbose)
-                                       printf("DS1338 set register 0x%02x to 0x%02x\n", 
+                                       printf("DS1338 set register 0x%02x to 0x%02x\n",
                                                p->reg_addr, v.u.twi.data);
                                p->nvram[p->reg_addr] = v.u.twi.data;
                                ds1338_virt_update(p);