kingkevin/firefly_conductor
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display all digits

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This commit is contained in:
King Kévin 2016-01-19 13:10:52 +01:00
parent cec0a0885a
commit 07219f4873
1 changed files with 7 additions and 5 deletions
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12
main.c
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@ -98,7 +98,7 @@ static void vfd_shift(void)
gpio_set(VFD_PORT, VFD_STR); // disable HV output
gpio_set(VFD_PORT, VFD_NLE); // latch data
gpio_clear(VFD_PORT, VFD_STR); // enable HV output
// normally there is minimum time before/after the latch
gpio_clear(VFD_PORT, VFD_NLE); // stop latching data
}
/* transmit each digit and dot */
@ -410,7 +410,7 @@ int main(void)
bool vfd_transmit = false;
uint8_t digit = 0;
uint8_t c = 128;
uint8_t c = 0;
/* blink the LED with every transmitted character */
while (1) {
while (usart_received) { // echo every received character
@ -424,12 +424,14 @@ int main(void)
vfd_transmit = true;
}
while (vfd_transmit) {
vfd_transmit = false;
printf("%u:%c\n",digit,c);
c = digit+'0';
vfd_digit(digit,c);
vfd_shift();
digit = (digit+1)%10;
c++;
// let the fluorescence glow up a bit
for (uint32_t i = 0; i < 0x2000; i++) {
__asm__("nop");
}
}
__WFI(); // go to sleep
}