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serial_test:Fix infinte TX loop with H7/DMA

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This commit is contained in:
David Sidrane
2022-02-08 11:38:25 -08:00
committed by Daniel Agar
parent b5916ac712
commit c7bd7323ec
1 changed files with 5 additions and 1 deletions
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src/systemcmds/serial_test/serial_test.c
+5 -1
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@@ -574,6 +574,7 @@ static void process_read_data(struct g_mod_t *g_mod, struct cli_args_t *g_cl)
static void process_write_data(struct g_mod_t *g_mod, struct cli_args_t *g_cl)
{
ssize_t count = 0;
int loops = 10;
int repeat = (g_cl->_tx_bytes == 0);
do {
@@ -592,11 +593,14 @@ static void process_write_data(struct g_mod_t *g_mod, struct cli_args_t *g_cl)
}
c = 0;
} else {
loops--;
}
count += c;
if (c < g_mod->_write_size) {
if (loops == 0 || c < g_mod->_write_size) {
g_mod->_write_count_value = g_mod->_write_data[c];
repeat = 0;
}