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-rw-r--r--prototype/fw/src/main.c29
1 files changed, 18 insertions, 11 deletions
diff --git a/prototype/fw/src/main.c b/prototype/fw/src/main.c
index 16e1b78..51e69e8 100644
--- a/prototype/fw/src/main.c
+++ b/prototype/fw/src/main.c
@@ -53,7 +53,7 @@ int main(void) {
USART1->CR1 = USART_CR1_TE | USART_CR1_RE;
USART1->BRR = (apb2_clock + baudrate/2) / baudrate;
- USART1->CR2 |= USART_CR2_RXINV;
+ USART1->CR2 |= USART_CR2_RXINV; //| USART_CR2_TXINV;
USART1->CR1 |= USART_CR1_UE;
int req_seq = 0;
@@ -70,25 +70,32 @@ int main(void) {
unsigned int rx_crc_error = 0;
USART1->TDR = 0; /* Kick off transmission */
+ int i = 0;
while (23) {
- /*
if (tx_st.remaining_bytes == 0) {
- res_buf.req_seq = req_seq;
- res_buf.res_seq = res_seq;
- res_seq += 1;
- packetize(&res_buf, &res_buf.trailer);
- tx_st.tx_char = tx_buf;
- tx_st.remaining_bytes = cobs_encode((uint8_t *)&res_buf, sizeof(res_buf), tx_buf, sizeof(tx_buf));;
+ if (i > 10000) {
+ res_buf.req_seq = req_seq;
+ res_buf.res_seq = res_seq;
+ res_seq += 1;
+ //packetize(&res_buf, &res_buf.trailer);
+ tx_st.tx_char = tx_buf;
+ //tx_st.remaining_bytes = cobs_encode((uint8_t *)&res_buf, sizeof(res_buf), tx_buf, sizeof(tx_buf));;
+ for (int k=0; k < 8; k++)
+ tx_buf[k] = 255-k;
+ for (int k=0; k < 8; k++)
+ tx_buf[8+k] = (k + 1) % 8;
+ tx_st.remaining_bytes = 16;
+ i = 0;
+ } else {
+ i++;
+ }
}
if (USART1->ISR & USART_ISR_TXE && tx_st.remaining_bytes > 0) {
- for (int i=0; i<100; i++)
- asm volatile ("nop");
USART1->TDR = *(tx_st.tx_char);
tx_st.tx_char += 1;
tx_st.remaining_bytes -= 1;
}
- */
if (USART1->ISR & USART_ISR_ORE)
USART1->ICR = USART_ICR_ORECF;