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Merge branch 'bugfix/i2c_read_size' into 'master'

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component/driver : fix i2c slave read size bug

See merge request !770
This commit is contained in:
Jiang Jiang Jian 2017-05-25 10:55:28 +08:00
parent 9634f1815d 45c815f9ad
commit 2aadbee43c
1 changed files with 1 additions and 1 deletions
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components/driver/i2c.c
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@ -1000,7 +1000,7 @@ int i2c_slave_write_buffer(i2c_port_t i2c_num, uint8_t* data, int size, portBASE
static int i2c_slave_read(i2c_port_t i2c_num, uint8_t* data, size_t max_size, portBASE_TYPE ticks_to_wait)
{
i2c_obj_t* p_i2c = p_i2c_obj[i2c_num];
size_t size;
size_t size = 0;
uint8_t* pdata = (uint8_t*) xRingbufferReceiveUpTo(p_i2c->rx_ring_buf, &size, ticks_to_wait, max_size);
if (pdata && size > 0) {
memcpy(data, pdata, size);