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authorjaseg <git@jaseg.net>2017-06-12 13:03:18 +0200
committerjaseg <git@jaseg.net>2017-06-12 13:03:18 +0200
commit6f12a41cc6fc61d62bfd862f454e63b0652823fc (patch)
treefb859409840bb2dc471b3849a41ddef0d70ce2a0 /fw
parent6301aad16983dca0ac34c285bbeee7944075ddde (diff)
download7seg-6f12a41cc6fc61d62bfd862f454e63b0652823fc.tar.gz
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Add resistor calculation script
Diffstat (limited to 'fw')
-rw-r--r--fw/main.c44
1 files changed, 22 insertions, 22 deletions
diff --git a/fw/main.c b/fw/main.c
index 6113a10..2e7b56e 100644
--- a/fw/main.c
+++ b/fw/main.c
@@ -74,32 +74,32 @@ int main(void) {
SPI1->CR2 &= ~SPI_CR2_DS_Msk;
SPI1->CR2 |= LL_SPI_DATAWIDTH_16BIT;
/* FIXME maybe try w/o BIDI */
- SPI1->CR1 = SPI_CR1_BIDIMODE | SPI_CR1_BIDIOE | SPI_CR1_SSM | SPI_CR1_SSI | SPI_CR1_SPE | (1<<SPI_CR1_BR_Pos) | SPI_CR1_MSTR | SPI_CR1_CPOL | SPI_CR1_CPHA;
+ SPI1->CR1 = SPI_CR1_BIDIMODE | SPI_CR1_BIDIOE | SPI_CR1_SSM | SPI_CR1_SSI | SPI_CR1_SPE | (0<<SPI_CR1_BR_Pos) | SPI_CR1_MSTR | SPI_CR1_CPOL | SPI_CR1_CPHA;
- int i = 0;
- int val = 0x5555;
+ int val = 0xffff;
GPIOA->BSRR = GPIO_BSRR_BR_6;
+ int j = 0;
+ int bval = 0x4000;
while (42) {
- if (i == 8) {
- i = 0;
- val = ~val;
+ for (int i=0; i<8; i++) {
+ spi_send(val);
+ spi_send(val);
+ strobe_leds();
+ spi_send(0x0200 | bval | (0xff^(1<<i)));
+ strobe_aux();
+ for(int i=0; i<10; i++)
+ tick();
+ //j++;
+ if (j == 1000) {
+ j = 0;
+ if (bval == 0x4000)
+ bval = 0x8000;
+ else if (bval == 0x8000)
+ bval = 0x0000;
+ else
+ bval = 0x4000;
+ }
}
- spi_send((i&1 ? 0xfa00 : 0xf000) | (0xff^(1<<i)));
- i++; // 1100'0100"0000'0000
- strobe_aux();
-
- spi_send(val);
- spi_send(val);
- strobe_leds();
- /*if (i == 32) {
- i = 0;
- }
- i++;
- spi_send((i&16) ? 0 : (1<<i));
- spi_send((i&16) ? (1<<(i&15)) : 0);
- strobe_leds();
- */
- LL_mDelay(200);
}
}