kopia lustrzana https://github.com/espressif/esp-idf
sdspi_host: bugfix The clock may be sent out before the bus that was used immediately before is released.
Merges https://github.com/espressif/esp-idf/pull/7710pull/8396/head
rodzic
65666af5ed
commit
8bb95150bf
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@ -75,6 +75,8 @@ static esp_err_t start_command_default(slot_info_t *slot, int flags, sdspi_hw_cm
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static esp_err_t shift_cmd_response(sdspi_hw_cmd_t *cmd, int sent_bytes);
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static esp_err_t poll_busy(slot_info_t *slot, int timeout_ms, bool polling);
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/// A few helper functions
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/// Map handle to pointer of slot information
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@ -435,6 +437,8 @@ esp_err_t sdspi_host_start_command(sdspi_dev_handle_t handle, sdspi_hw_cmd_t *cm
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ESP_LOGV(TAG, "%s: slot=%i, CMD%d, arg=0x%08x flags=0x%x, data=%p, data_size=%i crc=0x%02x",
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__func__, handle, cmd_index, cmd_arg, flags, data, data_size, cmd->crc7);
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spi_device_acquire_bus(slot->spi_handle, portMAX_DELAY);
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poll_busy(slot, 40, true);
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// For CMD0, clock out 80 cycles to help the card enter idle state,
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// *before* CS is asserted.
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@ -444,7 +448,6 @@ esp_err_t sdspi_host_start_command(sdspi_dev_handle_t handle, sdspi_hw_cmd_t *cm
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// actual transaction
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esp_err_t ret = ESP_OK;
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spi_device_acquire_bus(slot->spi_handle, portMAX_DELAY);
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cs_low(slot);
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if (flags & SDSPI_CMD_FLAG_DATA) {
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const bool multi_block = flags & SDSPI_CMD_FLAG_MULTI_BLK;
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