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Merge 493c29425e into 8b58aa1302

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Timofey Titovets 2025-12-22 17:32:58 +01:00 • committed by GitHub
commit ca4c1d169a
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1 changed files with 6 additions and 1 deletions
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7
src/neopixel.c
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@ -91,6 +91,7 @@ struct neopixel_s {
neopixel_time_t bit_max_ticks;
uint32_t last_req_time, reset_min_ticks;
uint16_t data_size;
uint16_t diff;
uint8_t data[0];
};
@ -105,6 +106,7 @@ command_config_neopixel(uint32_t *args)
, sizeof(*n) + data_size);
n->pin = pin;
n->data_size = data_size;
n->diff = data_size;
n->bit_max_ticks = args[3];
n->reset_min_ticks = args[4];
}
@ -124,7 +126,7 @@ send_data(struct neopixel_s *n)
// Transmit data
uint8_t *data = n->data;
uint_fast16_t data_len = n->data_size;
uint_fast16_t data_len = n->diff;
struct gpio_out pin = n->pin;
neopixel_time_t last_start = neopixel_get_time();
neopixel_time_t bit_max_ticks = n->bit_max_ticks;
@ -169,6 +171,7 @@ send_data(struct neopixel_s *n)
}
}
n->last_req_time = timer_read_time();
n->diff = 0;
return 0;
fail:
// A hardware irq messed up the transmission - report a failure
@ -188,6 +191,8 @@ command_neopixel_update(uint32_t *args)
if (pos & 0x8000 || pos + data_len > n->data_size)
shutdown("Invalid neopixel update command");
memcpy(&n->data[pos], data, data_len);
if (pos + data_len > n->diff)
n->diff = pos + data_len;
}
DECL_COMMAND(command_neopixel_update,
"neopixel_update oid=%c pos=%hu data=%*s");