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feat(lcd): support buffer switch interrupt

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This commit is contained in:
Chen Jichang
2026-06-01 15:19:19 +08:00
parent fb2e11f070
commit f8ff130959
34 changed files with 417 additions and 119 deletions
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components/esp_hal_dma/include/hal/gdma_hal.h
+10 -4
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2020-2025 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2020-2026 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -52,9 +52,9 @@ typedef struct {
typedef struct {
// The bitmap of the IDs that can be used by M2M are different between AXI DMA and AHB DMA, so we need to save a copy for each of them
uint32_t m2m_free_periph_mask;
// TODO: we can add more private data here, e.g. the interrupt event mask of interest
// for now, the AXI DMA and AHB DMA are sharing the same interrupt mask, so we don't need to store it here
// If one day they become incompatible, we shall save a copy for each of them as a private data
// Supported interrupt events can vary across DMA instances (e.g. AHB vs AXI)
uint32_t tx_event_mask;
uint32_t rx_event_mask;
} gdma_hal_priv_data_t;
/**
@@ -102,6 +102,8 @@ struct gdma_hal_context_t {
#if SOC_GDMA_SUPPORT_WEIGHTED_ARBITRATION
void (*set_weight)(gdma_hal_context_t *hal, int chan_id, gdma_channel_direction_t dir, uint32_t weight); /// Set the channel weight
#endif // SOC_GDMA_SUPPORT_WEIGHTED_ARBITRATION
bool (*is_tx_link_switch_event_supported)(gdma_hal_context_t *hal); /// Check if TX link-switch interrupt is supported
void (*request_link_switch_event)(gdma_hal_context_t *hal, int chan_id, gdma_channel_direction_t dir); /// Raise the interrupt when tx link switch complete
};
void gdma_hal_deinit(gdma_hal_context_t *hal);
@@ -161,6 +163,10 @@ void gdma_hal_enable_etm_task(gdma_hal_context_t *hal, int chan_id, gdma_channel
void gdma_hal_set_weight(gdma_hal_context_t *hal, int chan_id, gdma_channel_direction_t dir, uint32_t weight);
#endif //SOC_GDMA_SUPPORT_WEIGHTED_ARBITRATION
void gdma_hal_request_link_switch_event(gdma_hal_context_t *hal, int chan_id, gdma_channel_direction_t dir);
bool gdma_hal_is_tx_link_switch_event_supported(gdma_hal_context_t *hal);
#ifdef __cplusplus
}
#endif