1. reduce camera init time

Wu Caize · Wu Caize · commit 1d1ffce9897a · 2024-05-30T11:15:41.000+08:00
diff --git a/components/micropython/port/src/omv/cambus.c b/components/micropython/port/src/omv/cambus.c
@@ -277,7 +277,8 @@ int cambus_readb(uint8_t slv_addr, uint16_t reg_addr, uint8_t *reg_data)
 int cambus_writeb(uint8_t slv_addr, uint16_t reg_addr, uint8_t reg_data)
 {
     sccb_i2c_write_byte(i2c_device, slv_addr, reg_addr, sccb_reg_width, reg_data, 10);
-    mp_hal_delay_ms(write_bus_delay);
+    //mp_hal_delay_ms(write_bus_delay);
+    mp_hal_delay_us(100);
     return 0;
 }
 

Original file line number	Diff line number	Diff line change
`@@ -277,7 +277,8 @@ int cambus_readb(uint8_t slv_addr, uint16_t reg_addr, uint8_t *reg_data)`
`277`	`277`	`int cambus_writeb(uint8_t slv_addr, uint16_t reg_addr, uint8_t reg_data)`
`278`	`278`	`{`
`279`	`279`	`sccb_i2c_write_byte(i2c_device, slv_addr, reg_addr, sccb_reg_width, reg_data, 10);`
`280`		`- mp_hal_delay_ms(write_bus_delay);`
	`280`	`+ //mp_hal_delay_ms(write_bus_delay);`
	`281`	`+ mp_hal_delay_us(100);`
`281`	`282`	`return 0;`
`282`	`283`	`}`
`283`	`284`