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374 lines
11 KiB
374 lines
11 KiB
#include "Cam.h"
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void CS_Off()
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{
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HAL_GPIO_WritePin(GPIOB, GPIO_PIN_0, GPIO_PIN_SET);
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}
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void CS_On()
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{
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HAL_GPIO_WritePin(GPIOB, GPIO_PIN_0, GPIO_PIN_RESET);
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}
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void LED_On()
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{
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HAL_GPIO_WritePin(GPIOB, GPIO_PIN_3, GPIO_PIN_SET);
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}
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void LED_Off()
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{
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HAL_GPIO_WritePin(GPIOB, GPIO_PIN_3, GPIO_PIN_RESET);
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}
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void Debug_LED_On()
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{
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HAL_GPIO_WritePin(GPIOA, GPIO_PIN_1, GPIO_PIN_SET);
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}
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void Debug_LED_Off()
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{
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HAL_GPIO_WritePin(GPIOA, GPIO_PIN_1, GPIO_PIN_RESET);
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}
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void SPI_Init(SPI_HandleTypeDef *hspi)
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{
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uint8_t dummyReceiver = 0x00;
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CS_On();
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HAL_SPI_Transmit(hspi, &dummyReceiver, 1, HAL_MAX_DELAY);
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HAL_SPI_Receive(hspi, (uint8_t *)&dummyReceiver, 1, HAL_MAX_DELAY);
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CS_Off();
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}
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int Cam_SPI_read(SPI_HandleTypeDef *hspi, uint8_t address)
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{
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uint8_t addrMasked = address & 0x7F;
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uint8_t empty = 0x00;
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uint8_t ret;
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CS_On();
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HAL_SPI_TransmitReceive(hspi, &addrMasked, &ret, 1, HAL_MAX_DELAY);
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HAL_SPI_TransmitReceive(hspi, &empty, &ret, 1, HAL_MAX_DELAY);
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CS_Off();
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return ret;
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}
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int Cam_SPI_write(SPI_HandleTypeDef *hspi, uint8_t addr, uint8_t data)
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{
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HAL_StatusTypeDef ret;
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uint8_t addr_write = addr | 0x80;
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CS_On();
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ret = HAL_SPI_Transmit(hspi, (uint8_t *)&addr_write, 1, HAL_MAX_DELAY);
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if (ret != HAL_OK)
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{
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CS_Off();
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return ret;
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}
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ret = HAL_SPI_Transmit(hspi, (uint8_t *)&data, 1, HAL_MAX_DELAY);
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if (ret != HAL_OK)
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{
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CS_Off();
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return ret;
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}
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CS_Off();
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return 0;
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}
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int Cam_I2C_write(I2C_HandleTypeDef *hi2c, uint16_t address, uint8_t data)
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{
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HAL_StatusTypeDef ret;
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uint8_t buf[3];
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buf[0] = address >> 8;
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buf[1] = address & 0x00ff;
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buf[2] = data;
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ret = HAL_I2C_Master_Transmit(hi2c, 0x78, buf, 3, HAL_MAX_DELAY);
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if (ret == HAL_OK)
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return (1);
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return (0);
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}
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int Cam_I2C_write_struct(I2C_HandleTypeDef *hi2c, sensor_reg reg)
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{
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return Cam_I2C_write(hi2c, reg.reg, reg.val);
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}
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void Cam_I2C_write_bulk(I2C_HandleTypeDef *hi2c, const struct sensor_reg regList[])
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{
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unsigned int i = 0;
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do
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{
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struct sensor_reg reg = regList[i];
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if ((reg.reg == 0xffff) & (reg.val == 0xff))
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{
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break;
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}
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else
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{
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Cam_I2C_write_struct(hi2c, regList[i]);
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}
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} while (++i);
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}
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void Cam_Init(I2C_HandleTypeDef *hi2c, SPI_HandleTypeDef *hspi)
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{
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Cam_SPI_write(hspi, 0x07, 0x80);
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HAL_Delay(100);
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Cam_SPI_write(hspi, 0x07, 0x00);
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HAL_Delay(100);
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//Cam_SPI_write(hspi, 0x00, 0x55);
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HAL_Delay(5);
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Cam_I2C_write(hi2c, (uint16_t)0x3008, 0x80);
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HAL_Delay(5);
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Cam_I2C_write_bulk(hi2c, OV5642_QVGA_Preview);
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HAL_Delay(200);
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Cam_I2C_write_bulk(hi2c, OV5642_JPEG_Capture_QSXGA);
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Cam_I2C_write_bulk(hi2c, ov5642_320x240);
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HAL_Delay(100);
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//Cam_I2C_write_bulk(hi2c, OV5642_720P_Video_setting);
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Cam_I2C_write(hi2c, (uint16_t)0x3818, 0xa8); // TIMING CONTROL - ENABLE COMPRESSION, THUMBNAIL MODE DISABLE, VERTICAL FLIP, MIRROR
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Cam_I2C_write(hi2c, (uint16_t)0x3621, 0x10); // REGISTER FOR CORRECT MIRROR FUNCTION
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Cam_I2C_write(hi2c, (uint16_t)0x3801, 0xb0); // TIMING HORIZONTAL START - ALSO FOR MIRROR
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Cam_I2C_write(hi2c, (uint16_t)0x4407, 0x04); // COMPRESSION CONTROL
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//Cam_I2C_write(hi2c, (uint16_t)0x5000, 0xFF);
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HAL_Delay(5);
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// Setup camera, H-sync: High, V-sync:high, Sensor_delay: no Delay, FIFO_mode:FIFO enabled, power_mode:Low_power
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Cam_SPI_write(hspi, 0x03, 0x02);
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HAL_Delay(5);
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//Cam_I2C_write_bulk(hi2c, ov5642_1024x768);
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Cam_I2C_write_bulk(hi2c, ov5642_320x240);
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HAL_Delay(1000);
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Cam_SPI_write(hspi, 0x04, 0x01);
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HAL_Delay(5);
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Cam_SPI_write(hspi, 0x01, 0x00); // Capture Control Register - Set to capture n+1 frames
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HAL_Delay(5);
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/*
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Cam_I2C_write(hi2c, (uint16_t)0x3008, 0x80);
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Cam_I2C_write_bulk(hi2c, OV5642_QVGA_Preview);
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HAL_Delay(100);
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Cam_I2C_write_bulk(hi2c, OV5642_JPEG_Capture_QSXGA);
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//Cam_I2C_write_bulk(hi2c, ov5642_320x240);
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HAL_Delay(100);
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//Cam_I2C_write_bulk(hi2c, OV5642_720P_Video_setting);
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Cam_I2C_write(hi2c, (uint16_t)0x3818, 0xa8); // TIMING CONTROL - ENABLE COMPRESSION, THUMBNAIL MODE DISABLE, VERTICAL FLIP, MIRROR
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Cam_I2C_write(hi2c, (uint16_t)0x3621, 0x10); // REGISTER FOR CORRECT MIRROR FUNCTION
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Cam_I2C_write(hi2c, (uint16_t)0x3801, 0xb0); // TIMING HORIZONTAL START - ALSO FOR MIRROR
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//Cam_I2C_write(hi2c, (uint16_t)0x4407, 0x04); // COMPRESSION CONTROL
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Cam_I2C_write(hi2c, (uint16_t)0x4407, 0x04); // COMPRESSION CONTROL
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//Cam_I2C_write(hi2c, (uint16_t)0x5888, 0x01);
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Cam_I2C_write(hi2c, (uint16_t)0x5000, 0xFF);
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// Setup camera, H-sync: High, V-sync:high, Sensor_delay: no Delay, FIFO_mode:FIFO enabled, power_mode:Low_power
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Cam_SPI_write(hspi, 0x03, 0x02);
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Cam_I2C_write_bulk(hi2c, ov5642_320x240);
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//Cam_I2C_write_bulk(hi2c, ov5642_1024x768);
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Cam_SPI_write(hspi, 0x04, 0x01);
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Cam_SPI_write(hspi, 0x01, 0x00); // Capture Control Register - Set to capture n+1 frames
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HAL_Delay(5);
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*/
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}
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void Cam_Refresh(I2C_HandleTypeDef *hi2c, SPI_HandleTypeDef *hspi){
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/*Cam_I2C_write(hi2c, (uint16_t)0x3008, 0x80);
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Cam_I2C_write_bulk(hi2c, OV5642_QVGA_Preview);
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Cam_I2C_write_bulk(hi2c, OV5642_JPEG_Capture_QSXGA);
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Cam_I2C_write(hi2c, (uint16_t)0x3818, 0xa8); // TIMING CONTROL - ENABLE COMPRESSION, THUMBNAIL MODE DISABLE, VERTICAL FLIP, MIRROR
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Cam_I2C_write(hi2c, (uint16_t)0x3621, 0x10); // REGISTER FOR CORRECT MIRROR FUNCTION
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Cam_I2C_write(hi2c, (uint16_t)0x3801, 0xb0); // TIMING HORIZONTAL START - ALSO FOR MIRROR
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Cam_I2C_write(hi2c, (uint16_t)0x4407, 0x04); // COMPRESSION CONTROL
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Cam_I2C_write_bulk(hi2c, ov5642_1280x960);
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// Setup camera, H-sync: High, V-sync:high, Sensor_delay: no Delay, FIFO_mode:FIFO enabled, power_mode:Low_power
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Cam_SPI_write(hspi, 0x03, 0x02);
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Cam_SPI_write(hspi, 0x01, 0x00); // Capture Control Register - Set to capture n+1 frames
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HAL_Delay(5);*/
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// SAFE TO REMOVE
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//Cam_I2C_write(hi2c, (uint16_t)0x3008, 0x80);
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Cam_I2C_write_bulk(hi2c, OV5642_QVGA_Preview);
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Cam_I2C_write_bulk(hi2c, OV5642_JPEG_Capture_QSXGA);
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Cam_I2C_write(hi2c, (uint16_t)0x3818, 0xa8); // TIMING CONTROL - ENABLE COMPRESSION, THUMBNAIL MODE DISABLE, VERTICAL FLIP, MIRROR
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Cam_I2C_write(hi2c, (uint16_t)0x3621, 0x10); // REGISTER FOR CORRECT MIRROR FUNCTION
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Cam_I2C_write(hi2c, (uint16_t)0x3801, 0xb0); // TIMING HORIZONTAL START - ALSO FOR MIRROR
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Cam_I2C_write(hi2c, (uint16_t)0x4407, 0x04); // COMPRESSION CONTROL
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Cam_I2C_write(hi2c, (uint16_t)0x5000, 0xFF);
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Cam_I2C_write_bulk(hi2c, ov5642_1024x768);
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// Setup camera, H-sync: High, V-sync:high, Sensor_delay: no Delay, FIFO_mode:FIFO enabled, power_mode:Low_power
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Cam_SPI_write(hspi, 0x03, 0x02);
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// Brightness 4
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Cam_I2C_write(hi2c, (uint16_t)0x5001, 0xff);
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Cam_I2C_write(hi2c, (uint16_t)0x5589, 0x30);
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Cam_I2C_write(hi2c, (uint16_t)0x5580, 0x04);
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Cam_I2C_write(hi2c, (uint16_t)0x558a, 0x00);
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//Cam_I2C_write(hi2c, (uint16_t)0x558a, 0x08);
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//Contrast 0
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//Cam_I2C_write(hi2c, (uint16_t)0x5587, 0xff);
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//Cam_I2C_write(hi2c, (uint16_t)0x5588, 0xff);
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/*
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// Exposure _17
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Cam_I2C_write(hi2c, (uint16_t)0x3a0f, 0x10);
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Cam_I2C_write(hi2c, (uint16_t)0x3a10, 0x08);
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Cam_I2C_write(hi2c, (uint16_t)0x3a1b, 0x10);
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Cam_I2C_write(hi2c, (uint16_t)0x3a1e, 0x08);
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Cam_I2C_write(hi2c, (uint16_t)0x3a11, 0x20);
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Cam_I2C_write(hi2c, (uint16_t)0x3a1f, 0x10);
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//Exposure 17 v2
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Cam_I2C_write(hi2c, (uint16_t)0x3a0f, 0x60);
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Cam_I2C_write(hi2c, (uint16_t)0x3a10, 0x58);
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Cam_I2C_write(hi2c, (uint16_t)0x3a11, 0xa0);
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Cam_I2C_write(hi2c, (uint16_t)0x3a1b, 0x60);
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Cam_I2C_write(hi2c, (uint16_t)0x3a1e, 0x58);
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Cam_I2C_write(hi2c, (uint16_t)0x3a1f, 0x20);
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*/
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// Exposure Manual
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Cam_I2C_write(hi2c, (uint16_t)0x3503, 0x3);
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Cam_I2C_write(hi2c, (uint16_t)0x350C, 0xFF);
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Cam_I2C_write(hi2c, (uint16_t)0x350D, 0xFF);
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Cam_I2C_write(hi2c, (uint16_t)0x3500, 0x0);
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Cam_I2C_write(hi2c, (uint16_t)0x3501, 0x00);
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Cam_I2C_write(hi2c, (uint16_t)0x3502, 0x0f);
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//Gain MAX
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Cam_I2C_write(hi2c, (uint16_t)0x350A, 0x0);
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Cam_I2C_write(hi2c, (uint16_t)0x350B, 0x35);
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Cam_I2C_write(hi2c, (uint16_t)0x3508, 0x0);
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Cam_I2C_write(hi2c, (uint16_t)0x3509, 0x35);
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// AWB
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Cam_I2C_write(hi2c, (uint16_t)0x3406, 0x1);
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Cam_I2C_write(hi2c, (uint16_t)0x3400, 0xf);
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Cam_I2C_write(hi2c, (uint16_t)0x3401, 0xff);
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Cam_I2C_write(hi2c, (uint16_t)0x3402, 0xf);
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Cam_I2C_write(hi2c, (uint16_t)0x3403, 0x7f);
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Cam_I2C_write(hi2c, (uint16_t)0x3404, 0xf);
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Cam_I2C_write(hi2c, (uint16_t)0x3405, 0xff);
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HAL_Delay(50);
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}
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int Cam_FIFO_length(SPI_HandleTypeDef *hspi)
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{
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uint32_t len1, len2, len3, len = 0;
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len1 = Cam_SPI_read(hspi, 0x42);
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len2 = Cam_SPI_read(hspi, 0x43);
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len3 = Cam_SPI_read(hspi, 0x44) & 0x7f;
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len = ((len3 << 16) | (len2 << 8) | len1) & 0x07fffff;
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return len;
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}
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void Cam_Start_Capture(SPI_HandleTypeDef *hspi)
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{
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/*
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uint8_t FIFO_Reg = Cam_SPI_read(hspi, 0x04);
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uint8_t FIFO_Reg_Clear_Flags = FIFO_Reg | 0x01;
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Cam_SPI_write(hspi, 0x04, FIFO_Reg_Clear_Flags); // Clear FIFO Write Done Flaf
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Cam_SPI_write(hspi, 0x04, FIFO_Reg_Clear_Flags);
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HAL_Delay(1);
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FIFO_Reg = Cam_SPI_read(hspi, 0x04);
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FIFO_Reg_Clear_Flags = FIFO_Reg | 0x10;
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Cam_SPI_write(hspi, 0x04, FIFO_Reg_Clear_Flags); // Reset FIFO Write Pointer
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Cam_SPI_write(hspi, 0x04, FIFO_Reg_Clear_Flags);
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HAL_Delay(1);
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FIFO_Reg = Cam_SPI_read(hspi, 0x04);
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FIFO_Reg_Clear_Flags = FIFO_Reg | 0x20;
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Cam_SPI_write(hspi, 0x04, FIFO_Reg_Clear_Flags); // Reset FIFO Read Pointer
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Cam_SPI_write(hspi, 0x04, FIFO_Reg_Clear_Flags);
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*/
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Cam_SPI_write(hspi, 0x04, 0x01);
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HAL_Delay(3);
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Cam_SPI_write(hspi, 0x04, 0x01);
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HAL_Delay(3);
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Cam_SPI_write(hspi, 0x04, 0x02); // Start capture
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HAL_Delay(3);
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}
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void Cam_Wait_Capture_Done(SPI_HandleTypeDef *hspi)
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{
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while (1)
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{
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uint8_t regValue = Cam_SPI_read(hspi, 0x41);
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uint8_t captureDoneMask = 0x8;
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if (regValue & captureDoneMask)
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break;
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}
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}
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void Cam_Start_Burst_Read(SPI_HandleTypeDef *hspi)
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{
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/*
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uint8_t FIFO_Reg = Cam_SPI_read(hspi, 0x04);
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uint8_t FIFO_Reg_Clear_Flags = FIFO_Reg | 0x20;
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Cam_SPI_write(hspi, 0x04, FIFO_Reg_Clear_Flags); // Reset FIFO Read Pointer
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Cam_SPI_write(hspi, 0x04, FIFO_Reg_Clear_Flags);
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*/
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Cam_SPI_write(hspi, 0x04, 0x01);
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Cam_SPI_write(hspi, 0x04, 0x01);
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uint8_t BURST_FIFO_READ = 0x3c;
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uint8_t empty = 0x00;
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CS_On();
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HAL_SPI_TransmitReceive(hspi, &BURST_FIFO_READ, &empty, 1, HAL_MAX_DELAY);
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}
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void Cam_Capture(SPI_HandleTypeDef *hspi)
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{
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//LED_On();
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Cam_SPI_write(hspi, 0x01, 0x00); // Capture Control Register - Set to capture n+1 frames
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Cam_Start_Capture(hspi);
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Cam_Wait_Capture_Done(hspi);
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//LED_Off();
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} |