kingkevin/firefly_conductor
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add matrix selector

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This commit is contained in:
King Kévin 2016-01-20 10:53:08 +01:00
parent 7894df3bb3
commit e9a92f16b2
1 changed files with 22 additions and 3 deletions
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25
main.c
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@ -214,7 +214,6 @@ static const uint8_t ascii_7segments[] = {
/* put digit into memory */
static void vfd_digit(uint8_t nb, char c)
{
(void)c;
// there are only 10 digits
if (nb>9) {
return;
@ -246,6 +245,24 @@ static void vfd_digit(uint8_t nb, char c)
vfd_data[2] = 0;
}
static void vfd_matrix(uint8_t nb, char c)
{
(void)c;
// there are only 12 matrix
if (nb>11) {
return;
} else if (nb<4) {
vfd_data[0] = 0;
vfd_data[1] = 1<<(3-nb); // select digit
} else {
vfd_data[0] = 1<<(35-nb); // select digit
vfd_data[1] = 0;
}
vfd_data[1] |= 0xff000000;
vfd_data[2] = 0xffffffff;
}
int main(void)
{
SCB_VTOR = (uint32_t) 0x08002000; // relocate vector table because of the bootloader
@ -267,6 +284,7 @@ int main(void)
bool vfd_transmit = false;
uint8_t digit = 0;
uint8_t c = 0;
vfd_digit(0,0);
/* blink the LED with every transmitted character */
while (1) {
while (usart_received) { // echo every received character
@ -280,10 +298,11 @@ int main(void)
vfd_transmit = true;
}
while (vfd_transmit) {
vfd_transmit = false;
c = digit+'0';
vfd_digit(digit,c);
vfd_matrix(digit,c);
vfd_shift();
digit = (digit+1)%10;
digit = (digit+1)%12;
// let the fluorescence glow up a bit
for (uint32_t i = 0; i < 0x2000; i++) {
__asm__("nop");