huxi
548 lines
14 KiB
C
548 lines
14 KiB
C
#include "system/includes.h"
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#include "app_config.h"
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#include "software_jpegenc.h"
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#include "spi.h"
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#include "generic/lbuf.h"
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#include "camera_queue_buf.h"
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#include "camera_manager.h"
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#include "bf30a2_cfg.h"
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#include "avilib.h"
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#include "asm/dma_copy.h"
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#define LOG_TAG_CONST CAMERA_MANAGER
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#define LOG_TAG "[CAMERA_MANAGER]"
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#define LOG_ERROR_ENABLE
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#define LOG_DEBUG_ENABLE
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#define LOG_INFO_ENABLE
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#define LOG_CHAR_ENABLE //log_char enable
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#define LOG_CLI_ENABLE
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#include "debug.h"
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#define offsetof(type, memb) \
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((unsigned long)(&((type *)0)->memb))
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// SPI
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#define SPI_FEND_SIZE 4 // 包头
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#define SPI_LEND_SIZE 4 // 包尾
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#define SPI_FHEAD_SIZE 4 // 行头
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#define SPI_LHEAD_SIZE 4 // 行尾
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#define SPI_ID HW_SPI1 // SPI ID号,（spi2可能用于nandflash）
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#define QBUF_EXT_SIZE 4//qbuf拓展数据
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// 接收队列BUF总大小 DMA_REVC_SIZE * DMA_REVC_BUF_NUM
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#define INPUT_WIDTH 240
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#define OUTPUT_HEIGHT 320
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#define DMA_LINE_SIZE ( INPUT_WIDTH* 2 + SPI_FHEAD_SIZE + SPI_LHEAD_SIZE) // 摄像头一行大小 格式:YUVY
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#define DMA_CAMERA_SIZE (16) // 一次SPI DMA接收的行数
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#define DMA_REVC_SIZE (DMA_LINE_SIZE * DMA_CAMERA_SIZE + SPI_FEND_SIZE) // 一次SPI DMA接收的大小,帧头、帧尾会多四个字节
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#define DMA_REVC_BUF_NUM (20) // 接收BUF的数量
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// JPEG缓存
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#define JPEG_LBUF_SIZE (100 * 1024) // LBUF总大小，编码出的jpeg存放在lbuf中
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#define ONE_JPEG_MAX_SIZE (10 * 1024) // 单张JPEG的大小，申请LBUF缓存时用到，可根据情况调整
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#define JPEG_QVAL 50 // jpeg编码默认Q值(0-100)
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enum {
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SPI_NEW_CHUNK = 1,
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SPI_DROP_FRAME,
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JPEG_TASK_KILL,
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};
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struct lbuf_data_head {
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int len;
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u8 data[0];
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};
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struct camera_handle {
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//设备驱动
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struct camera_device *dev;
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// JPEG 编码线程
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char task_name[32];
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u8 task_runing;
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OS_SEM task_kill_sem;
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// SPI接收行数统计
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int spi_recv_line_cnt;
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// jpeg lbuf
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u8 *lbuf_ptr;
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struct lbuff_head *lbuf_handle;
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// yuv buf 队列
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struct queue_buf *qbuf;
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// SPI DMA 接收buf,中转buf,接收完后拷贝到队列buf
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u8 *dma_recv_buf[2];
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int dma_recv_buf_index;
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};
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static struct camera_handle *camera_hdl;
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#define __this (camera_hdl)
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AT(.spi.text.cache.L1)
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__attribute__((interrupt("")))
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static void camera_hw_spi_isr()
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{
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/*
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在不可屏蔽中断调用，此函数及调用的子函数均需要放ram
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特别注意打印。
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否则在写flash的时候，会触发死机
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*/
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JL_SPI_TypeDef *SPI_REG = (SPI_ID == HW_SPI1) ? JL_SPI1 : JL_SPI2;
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//clr pnd
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SPI_REG->CON |= BIT(14);
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if (SPI_REG->CON & BIT(21)) {
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// slave rx dma overflow
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SPI_REG->CON &= ~BIT(20); // clr
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/* log_char('O'); */
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}
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if (SPI_REG->CON & BIT(18)) {
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// slave tx dma underflow
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SPI_REG->CON &= ~BIT(17); // clr
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/* log_char('U'); */
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}
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// dma copy buf
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u8 *recv_done_buf = __this->dma_recv_buf[__this->dma_recv_buf_index];
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u8 *chunk = queue_buf_get_isr(__this->qbuf);
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if (chunk) {
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dma_memcpy_async_inirq(chunk, recv_done_buf, DMA_REVC_SIZE);
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//标记行号
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chunk[DMA_REVC_SIZE + 0] = 0x55;
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chunk[DMA_REVC_SIZE + 1] = 0xaa;
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u16 *chunk_rec_line = (u16 *)&chunk[DMA_REVC_SIZE + 2];
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*chunk_rec_line = __this->spi_recv_line_cnt;
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queue_buf_push_isr(__this->qbuf);
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}
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/* memcpy(chunk, recv_done_buf, DMA_REVC_SIZE); */
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__this->dma_recv_buf_index = (__this->dma_recv_buf_index + 1) % ARRAY_SIZE(__this->dma_recv_buf);
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__this->spi_recv_line_cnt = (DMA_CAMERA_SIZE + __this->spi_recv_line_cnt) % (__this->dev->height);
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// 帧中间,减去帧头or帧尾的长度
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u32 recv_cnt = DMA_REVC_SIZE - SPI_LEND_SIZE;
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if (__this->spi_recv_line_cnt == 0 || __this->spi_recv_line_cnt == (__this->dev->height - DMA_CAMERA_SIZE)) {
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recv_cnt = DMA_REVC_SIZE;
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}
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u8 *buf = __this->dma_recv_buf[__this->dma_recv_buf_index];
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SPI_REG->CON |= BIT(12);
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SPI_REG->ADR = (u32)buf;
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SPI_REG->CNT = recv_cnt;
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}
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static void camera_jpeg_dec_task(void *priv)
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{
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log_debug("%s enter>>>>>>>>>>>>>>>>>!\n", __func__);
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struct camera_handle *hdl = (struct camera_handle *)priv;
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u8 jpeg_qval = JPEG_QVAL;
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log_debug("%s dev:%x", __func__, (u32)__this->dev);
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void *jpegenc_hdl = software_jpegenc_init(
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__this->dev->width,
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__this->dev->height,
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__this->dev->width + SPI_FHEAD_SIZE,
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jpeg_qval);
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if (!jpegenc_hdl) {
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log_error("software jpegenc init err \n");
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//下面禁止加打印{
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os_sem_post(&__this->task_kill_sem);
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os_time_dly(-1);
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//}
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}
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struct lbuf_data_head *lbuf_data = NULL;
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int ret = 0;
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int jpeg_buf_size = ONE_JPEG_MAX_SIZE;
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int line_cnt = 0;
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u8 *cur_bits = NULL;
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int total_bits = 0;
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u8 fps = 0;
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u32 fps_time = jiffies_msec();
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u32 enc_time;
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while (hdl->task_runing) {
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u8 *chunk = NULL;
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/* dma_memcpy_wait_idle(); */
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chunk = queue_buf_pop(__this->qbuf);
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if (!chunk) {//pass
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log_char('P');
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os_time_dly(1);
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continue;
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}
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if ((chunk[DMA_REVC_SIZE + 0]) == 0x55 && (chunk[DMA_REVC_SIZE + 1] == 0xaa)) {
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u16 *chunk_rec_line = (u16 *)&chunk[DMA_REVC_SIZE + 2];
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if (*chunk_rec_line == line_cnt) {
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//正常执行
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} else {
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//pass当前帧
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queue_buf_reset(__this->qbuf);
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line_cnt = 0;
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log_warn("pop[c:%d l:%d]", (*chunk_rec_line), line_cnt);
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if (lbuf_data) {
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lbuf_free(lbuf_data);
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lbuf_data = NULL;
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os_time_dly(1);
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continue;
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}
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}
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} else {
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log_error("%s line_cnt:%d", __func__, line_cnt);
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put_buf(chunk + DMA_CAMERA_SIZE, 4);
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}
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//帧首，申请jpeg lbuf
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if (line_cnt == 0) {
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while (!lbuf_data) {
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lbuf_data = lbuf_alloc(__this->lbuf_handle, jpeg_buf_size);
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if (!lbuf_data) {
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log_char('L');
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lbuf_data = lbuf_pop(__this->lbuf_handle, BIT(0));
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if (lbuf_data) {
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lbuf_free(lbuf_data);
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lbuf_data = NULL;
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}
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continue;
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}
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}
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total_bits = 0;
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enc_time = jiffies_msec();
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}
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cur_bits = lbuf_data->data + total_bits;
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int remain_size = jpeg_buf_size - total_bits;
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int out_bits_size = 0;
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u8 *in_buf = line_cnt ? chunk + SPI_FHEAD_SIZE :
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chunk + SPI_FHEAD_SIZE + SPI_LHEAD_SIZE;
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if (software_jpegenc_line(jpegenc_hdl, cur_bits, remain_size,
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in_buf, DMA_CAMERA_SIZE, line_cnt, &out_bits_size)) {
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log_error("software jpgenc line err \n");
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continue;
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}
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total_bits += out_bits_size;
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line_cnt += DMA_CAMERA_SIZE;
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queue_buf_release(__this->qbuf);
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//帧尾 push jpeg_buf
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if (line_cnt == __this->dev->height) {
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lbuf_data->len = total_bits;
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lbuf_push(lbuf_data, BIT(0));
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lbuf_data = NULL;
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line_cnt = 0;
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//fps info
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fps++;
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if ((jiffies_msec() - fps_time) > 1000) {
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log_info("jpeg fps:%d enc_time:%lu \n", fps, jiffies_msec() - enc_time);
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fps = 0;
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fps_time = jiffies_msec();
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}
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}
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}
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log_debug("%s exit>>>>>>>>>>>>>>>>!\n", __func__);
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software_jpegenc_exit(jpegenc_hdl);
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//下面禁止加打印{
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os_sem_post(&__this->task_kill_sem);
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os_time_dly(-1);
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//}
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}
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int camera_spi_init()
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{
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int ret = 0;
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hw_spi_dev spi = SPI_ID;
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struct spi_platform_data spix_p_data = {
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.port = {
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IO_PORTC_01, // clk any io
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IO_PORTC_02, // do any io
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IO_PORTC_02, // di any io
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0xff, // d2 any io
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0xff, // d3 any io
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0xff, // cs any io(主机不操作cs)
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},
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.role = SPI_ROLE_SLAVE,
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.mode = SPI_MODE_BIDIR_1BIT, // SPI_MODE_UNIDIR_2BIT,//SPI_MODE_BIDIR_1BIT,
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.bit_mode = SPI_FIRST_BIT_MSB,
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.cpol = 0, // clk level in idle state:0:low, 1:high
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.cpha = 0, // sampling edge:0:first, 1:second
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.ie_en = 0, // ie enbale:0:disable, 1:enable
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.irq_priority = 3,
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.spi_isr_callback = NULL,
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.clk = 24000000L,
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};
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ret = spi_open(spi, &spix_p_data);
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if (ret < 0) {
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log_error("spi master init error(%d)!", ret);
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return ret;
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}
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spi_set_ie(spi, 1);
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if (spi == HW_SPI1) {
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request_irq(IRQ_SPI1_IDX, 7, camera_hw_spi_isr, 0);
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irq_unmask_set(IRQ_SPI1_IDX, 0, 0);
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} else {
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request_irq(IRQ_SPI2_IDX, 7, camera_hw_spi_isr, 0);
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irq_unmask_set(IRQ_SPI2_IDX, 0, 0);
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}
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os_time_dly(2);
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u8 *buf = __this->dma_recv_buf[0];
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spi_dma_transmit_for_isr(spi, (void *)buf, DMA_REVC_SIZE, 1);
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return 0;
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}
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int camera_spi_deinit()
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{
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hw_spi_dev spi = SPI_ID;
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spi_deinit(spi);
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return 0;
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}
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int camera_manager_start(void)
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{
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int ret = 0;
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mem_stats();
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struct camera_device *dev = __this->dev;
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memset(__this, 0x00, sizeof(struct camera_handle));
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__this->dev = dev;
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__this->qbuf = queue_buf_create(DMA_REVC_SIZE + QBUF_EXT_SIZE, DMA_REVC_BUF_NUM);
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if (!__this->qbuf) {
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return -1;
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}
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for (int i = 0; i < ARRAY_SIZE(__this->dma_recv_buf); i++) {
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__this->dma_recv_buf[i] = malloc(DMA_REVC_SIZE);
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if (!__this->dma_recv_buf[i]) {
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log_error("dma recv buf malloc fail \n");
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goto __err;
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}
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}
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__this->lbuf_ptr = malloc_psram(JPEG_LBUF_SIZE);
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if (!__this->lbuf_ptr) {
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log_error("jpeg lbuf_ptr malloc fail \n");
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goto __err;
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}
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__this->lbuf_handle = lbuf_init(__this->lbuf_ptr, JPEG_LBUF_SIZE, 4, sizeof(struct lbuf_data_head));
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os_sem_create(&__this->task_kill_sem, 0);
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__this->task_runing = 1;
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snprintf(__this->task_name, sizeof(__this->task_name), "camera_jpeg_task");
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if (os_task_create(camera_jpeg_dec_task, __this, 10, 1024, 1024, __this->task_name)) {
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log_error(" read task create fail \n");
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__this->task_runing = 0;
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goto __err;
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}
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if (camera_spi_init()) {
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goto __err;
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}
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camera_manager_resume();
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return 0;
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__err:
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if (__this->task_runing) {
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__this->task_runing = 0;
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os_sem_pend(&__this->task_kill_sem, 0);
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os_sem_del(&__this->task_kill_sem, OS_DEL_ALWAYS);
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task_kill(__this->task_name);
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}
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if (__this->qbuf) {
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queue_buf_destroy(__this->qbuf);
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__this->qbuf = NULL;
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}
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if (__this->lbuf_ptr) {
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free_psram(__this->lbuf_ptr);
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__this->lbuf_ptr = NULL;
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}
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for (int i = 0; i < ARRAY_SIZE(__this->dma_recv_buf); i++) {
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if (__this->dma_recv_buf[i]) {
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free(__this->dma_recv_buf[i]);
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__this->dma_recv_buf[i] = NULL;
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}
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}
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return -1;
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}
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int camera_manager_stop(void)
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{
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printf("%s %d", __func__, __LINE__);
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camera_manager_suspend();
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camera_spi_deinit();
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if (__this->task_runing) {
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__this->task_runing = 0;
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os_sem_pend(&__this->task_kill_sem, 0);
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os_sem_del(&__this->task_kill_sem, OS_DEL_ALWAYS);
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task_kill(__this->task_name);
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}
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if (__this->qbuf) {
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queue_buf_destroy(__this->qbuf);
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__this->qbuf = NULL;
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}
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if (__this->lbuf_ptr) {
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free_psram(__this->lbuf_ptr);
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__this->lbuf_ptr = NULL;
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}
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for (int i = 0; i < ARRAY_SIZE(__this->dma_recv_buf); i++) {
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if (__this->dma_recv_buf[i]) {
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free(__this->dma_recv_buf[i]);
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__this->dma_recv_buf[i] = NULL;
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}
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}
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return 0;
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}
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void camera_manager_resume(void)
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{
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if (!__this) {
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return ;
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}
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if (!__this->dev) {
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return ;
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}
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if (!__this->dev->resume) {
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return ;
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}
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__this->dev->resume();
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}
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void camera_manager_suspend(void)
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{
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if (!__this) {
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return ;
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}
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if (!__this->dev) {
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return ;
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}
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if (!__this->dev->supend) {
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return ;
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}
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__this->dev->supend();
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}
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static int camera_manager_dev_check(void)
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{
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struct camera_device *dev = NULL;
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list_for_each_camera_device_module(dev) {
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if (dev->check) {
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if (!dev->check()) {
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log_debug("%s find device:%x\n", __func__, (u32)dev);
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__this->dev = dev;
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return 0;
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}
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}
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}
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return -1;
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}
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int camera_manager_init(void)
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{
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ASSERT(!__this);
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__this = malloc(sizeof(struct camera_handle));
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camera_manager_dev_check();
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if (!__this->dev) {
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return -1;
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}
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if (!__this->dev->init) {
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return -1;
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}
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return __this->dev->init();
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}
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int camera_manager_deinit(void)
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{
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if (!__this) {
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return -1;
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}
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if (!__this->dev) {
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return -1;
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}
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if (!__this->dev->deinit) {
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return -1;
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}
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int ret = __this->dev->deinit();
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free(__this);
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__this = NULL;
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return ret;
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}
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int camera_manager_data_read(u8 **pp_data, int *p_len)
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{
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struct lbuf_data_head *node;
|
||
|
||
if (!pp_data || !p_len) {
|
||
log_error("camera read ptr err \n");
|
||
return -1;
|
||
}
|
||
|
||
node = lbuf_pop(__this->lbuf_handle, BIT(0));
|
||
if (!node) {
|
||
return -2;
|
||
}
|
||
|
||
*pp_data = node->data;
|
||
*p_len = node->len;
|
||
return 0;
|
||
}
|
||
|
||
int camera_manager_read_done(u8 *data_buf)
|
||
{
|
||
struct lbuf_data_head *node;
|
||
|
||
if (!data_buf) {
|
||
log_error("camera read done ptr err \n");
|
||
return -1;
|
||
}
|
||
|
||
node = (struct lbuf_data_head *)((u8 *)data_buf - offsetof(struct lbuf_data_head, data));
|
||
|
||
lbuf_free(node);
|
||
return 0;
|
||
}
|
||
|
||
int camera_manager_get_dev_width_height(int *width, int *height)
|
||
{
|
||
if (__this && __this->dev) {
|
||
*width = __this->dev->width;
|
||
*height = __this->dev->height;
|
||
return 0;
|
||
}
|
||
return -1;
|
||
}
|
||
int camera_manager_get_dev_fps(int *fps)
|
||
{
|
||
if (__this && __this->dev) {
|
||
*fps = __this->dev->fps;
|
||
return 0;
|
||
}
|
||
return -1;
|
||
}
|