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feat(isp): support isp dma input and add example

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This commit is contained in:
gaoxu
2026-07-14 18:15:44 +08:00
parent ea07001c2c
commit ea417f202e
17 changed files with 897 additions and 19 deletions
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components/esp_hal_cam/esp32p4/include/hal/isp_ll.h
+77 -1
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@@ -28,7 +28,7 @@ extern "C" {
#define ISP_LL_PERIPH_NUMS 1U
#define ISP_LL_HSIZE_MAX 1920
#define ISP_LL_VSIZE_MAX 1080
#define ISP_LL_VSIZE_MAX 1280
/*---------------------------------------------------------------
Clock
@@ -535,6 +535,82 @@ static inline void isp_ll_enable_line_end_packet_exist(isp_dev_t *hw, bool en)
hw->frame_cfg.hsync_end_exist = en;
}
/**
* @brief Set DMA input data type
*
* @param[in] hw Hardware instance address
* @param[in] format color format, see `isp_color_t`
*
* @return true for valid format, false for invalid format
*/
static inline bool isp_ll_dma_set_data_type(isp_dev_t *hw, isp_color_t format)
{
bool valid = false;
switch (format) {
case ISP_COLOR_RAW8:
hw->dma_cntl.dma_data_type = 0x2A;
valid = true;
break;
case ISP_COLOR_RAW10:
hw->dma_cntl.dma_data_type = 0x2B;
valid = true;
break;
case ISP_COLOR_RAW12:
hw->dma_cntl.dma_data_type = 0x2C;
valid = true;
break;
default:
break;
}
return valid;
}
/**
* @brief Set DMA input burst length in units of 64-bit
*
* @param[in] hw Hardware instance address
* @param[in] burst_len Number of 64-bit beats in one DMA burst
*/
static inline void isp_ll_dma_set_burst_len(isp_dev_t *hw, uint32_t burst_len)
{
hw->dma_cntl.dma_burst_len = burst_len;
}
/**
* @brief Set DMA input total frame size in units of 64-bit
*
* @param[in] hw Hardware instance address
* @param[in] num64b Number of 64-bit words in one frame
*/
static inline void isp_ll_dma_set_frame_size(isp_dev_t *hw, uint32_t num64b)
{
hw->dma_raw_data.dma_raw_num_total = num64b;
hw->dma_raw_data.dma_raw_num_total_set = 1;
}
/**
* @brief Apply DMA input registers
*
* @param[in] hw Hardware instance address
*/
static inline void isp_ll_dma_apply_config(isp_dev_t *hw)
{
hw->dma_cntl.dma_update_reg = 1;
while (hw->dma_cntl.dma_update_reg);
}
/**
* @brief Trigger one DMA input frame transfer
*
* @param[in] hw Hardware instance address
*/
static inline void isp_ll_dma_trigger_frame(isp_dev_t *hw)
{
hw->dma_cntl.dma_en = 1;
}
/**
* @brief Get if demosaic is enabled
*