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Merge pull request #2342 from cesanta/pio

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Fix PIO assembly error
This commit is contained in:
Sergio R. Caprile 2023-08-14 16:17:37 -03:00 committed by GitHub
commit 54be13d1d8
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1 changed files with 3 additions and 3 deletions
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6
examples/rp2040/pico-rmii/driver_rp2040_rmii.c
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@ -32,7 +32,7 @@ static uint8_t s_txbuf[ETH_PKT_SIZE];
static struct mg_tcpip_if *s_ifp; // MIP interface static struct mg_tcpip_if *s_ifp; // MIP interface
#define rmii_tx_wrap_target 0 #define rmii_tx_wrap_target 0
#define rmii_tx_wrap 8 #define rmii_tx_wrap 7
static const uint16_t rmii_tx_program_instructions[] = { static const uint16_t rmii_tx_program_instructions[] = {
// .wrap_target // .wrap_target
@ -49,7 +49,7 @@ static const uint16_t rmii_tx_program_instructions[] = {
static const struct pio_program rmii_tx_program = { static const struct pio_program rmii_tx_program = {
.instructions = rmii_tx_program_instructions, .instructions = rmii_tx_program_instructions,
.length = 9, .length = 8,
.origin = -1, .origin = -1,
}; };
@ -288,7 +288,7 @@ static size_t mg_tcpip_driver_rp2040_rmii_tx(const void *buf, size_t len,
dma_channel_wait_for_finish_blocking(dma_tx); dma_channel_wait_for_finish_blocking(dma_tx);
memset(s_txbuf, 0, 60); // pre-pad memset(s_txbuf, 0, 60); // pre-pad
memcpy(s_txbuf, buf, len); memcpy(s_txbuf, buf, len);
if (len < 60) len = 60; // pad if (len < 60) len = 60; // pad
uint32_t crc = mg_crc32(0, s_txbuf, len); // host is little-endian uint32_t crc = mg_crc32(0, s_txbuf, len); // host is little-endian
memcpy(s_txbuf + len, (uint8_t *) &crc, 4); memcpy(s_txbuf + len, (uint8_t *) &crc, 4);
len += 4; len += 4;