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Faster probe #5

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Merged
merged 2 commits into from
Aug 1, 2023
Merged

Faster probe #5

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2710e44
sccb: don't perform an i2c bus scan
jepler Jul 26, 2023
2cd2a6d
sccb: lower timeout when probing for camera
jepler Jul 26, 2023
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14 changes: 1 addition & 13 deletions driver/sccb.c
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Original file line number Diff line number Diff line change
Expand Up @@ -98,18 +98,6 @@ uint8_t SCCB_Probe(void)
{
uint8_t slave_addr = 0x0;

for (size_t i = 1; i < 0x80; i++) {
i2c_cmd_handle_t cmd = i2c_cmd_link_create();
i2c_master_start(cmd);
i2c_master_write_byte(cmd, ( i << 1 ) | WRITE_BIT, ACK_CHECK_EN);
i2c_master_stop(cmd);
esp_err_t ret = i2c_master_cmd_begin(sccb_i2c_port, cmd, 1000 / portTICK_RATE_MS);
i2c_cmd_link_delete(cmd);
if( ret == ESP_OK) {
ESP_LOGW(TAG, "Found I2C Device at 0x%02X", i);
}
}

for (size_t i = 0; i < CAMERA_MODEL_MAX; i++) {
if (slave_addr == camera_sensor[i].sccb_addr) {
continue;
Expand All @@ -119,7 +107,7 @@ uint8_t SCCB_Probe(void)
i2c_master_start(cmd);
i2c_master_write_byte(cmd, ( slave_addr << 1 ) | WRITE_BIT, ACK_CHECK_EN);
i2c_master_stop(cmd);
esp_err_t ret = i2c_master_cmd_begin(sccb_i2c_port, cmd, 1000 / portTICK_RATE_MS);
esp_err_t ret = i2c_master_cmd_begin(sccb_i2c_port, cmd, 50 / portTICK_RATE_MS);
i2c_cmd_link_delete(cmd);
if( ret == ESP_OK) {
return slave_addr;
Expand Down