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Merge pull request #129 from apiesse/feature/config_i2s_sccb

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Hardware I2C0/I2C1 for sccb communication
This commit is contained in:
Me No Dev
2020-03-09 09:13:12 +02:00
committed by GitHub
parent f50b713d6c 0f835fe230
commit a4f6d924ce
2 changed files with 17 additions and 1 deletions
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14
Kconfig
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@@ -22,11 +22,23 @@ config OV3660_SUPPORT
Disable this option to safe memory. Disable this option to safe memory.
config SCCB_HARDWARE_I2C config SCCB_HARDWARE_I2C
bool "Use hardware I2C1 for SCCB" bool "Use hardware I2C for SCCB"
default y default y
help help
Enable this option if you want to use hardware I2C to control the camera. Enable this option if you want to use hardware I2C to control the camera.
Disable this option to use software I2C. Disable this option to use software I2C.
choice SCCB_HARDWARE_I2C_PORT
bool "I2C peripheral to use for SCCB"
depends on SCCB_HARDWARE_I2C
default SCCB_HARDWARE_I2C_PORT1
config SCCB_HARDWARE_I2C_PORT0
bool "I2C0"
config SCCB_HARDWARE_I2C_PORT1
bool "I2C1"
endchoice
choice CAMERA_TASK_PINNED_TO_CORE choice CAMERA_TASK_PINNED_TO_CORE
bool "Camera task pinned to core" bool "Camera task pinned to core"

4
driver/sccb.c
View File

@@ -31,7 +31,11 @@ static const char* TAG = "sccb";
#define ACK_CHECK_DIS 0x0 /*!< I2C master will not check ack from slave */ #define ACK_CHECK_DIS 0x0 /*!< I2C master will not check ack from slave */
#define ACK_VAL 0x0 /*!< I2C ack value */ #define ACK_VAL 0x0 /*!< I2C ack value */
#define NACK_VAL 0x1 /*!< I2C nack value */ #define NACK_VAL 0x1 /*!< I2C nack value */
#if CONFIG_SCCB_HARDWARE_I2C_PORT1
const int SCCB_I2C_PORT = 1; const int SCCB_I2C_PORT = 1;
#else
const int SCCB_I2C_PORT = 0;
#endif
static uint8_t ESP_SLAVE_ADDR = 0x3c; static uint8_t ESP_SLAVE_ADDR = 0x3c;
#else #else
#include "twi.h" #include "twi.h"