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test code

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This commit is contained in:
jaseg 2020-11-27 18:43:00 +01:00
parent 6ebd1a667d
commit 822c8a21d7
2 changed files with 22 additions and 13 deletions
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29
prototype/fw/src/main.c
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@ -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;