themixedupstuff/esp-idf-ds3231
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Fix multiple byte writes.

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This commit is contained in:
H. Utku Maden 2021-08-21 23:50:09 +03:00
parent 7849f31d8e
commit 0049e6381b
1 changed files with 2 additions and 2 deletions
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4
source/io.c
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@ -34,11 +34,11 @@ esp_err_t ds3231_io_write(i2c_port_t port, uint8_t addr, const void *data, size_
if ((cmd = i2c_cmd_link_create()))
{
for (int i = 0; i < sz; ++ i)
for (int i = 0; i < sz; ++i)
{
i2c_master_start(cmd);
i2c_master_write_byte(cmd, DS3231_ADDR | I2C_MASTER_WRITE, true);
i2c_master_write_byte(cmd, addr, true);
i2c_master_write_byte(cmd, addr + i, true);
i2c_master_write_byte(cmd, ((uint8_t*)data)[i], true);
}
i2c_master_stop(cmd);