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feat(esp_driver_spi): add config for data io default level

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This commit is contained in:
wanckl 2024-08-07 19:44:48 +08:00 committed by Armando
parent 8fcc57b12f
commit ab53d300d0
4 changed files with 21 additions and 5 deletions
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1
components/esp_driver_spi/include/driver/spi_common.h
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@ -116,6 +116,7 @@ typedef struct {
int data5_io_num; ///< GPIO pin for spi data5 signal in octal mode, or -1 if not used.
int data6_io_num; ///< GPIO pin for spi data6 signal in octal mode, or -1 if not used.
int data7_io_num; ///< GPIO pin for spi data7 signal in octal mode, or -1 if not used.
bool data_io_default_level; ///< Output data IO default level when no transaction.
int max_transfer_sz; ///< Maximum transfer size, in bytes. Defaults to 4092 if 0 when DMA enabled, or to `SOC_SPI_MAXIMUM_BUFFER_SIZE` if DMA is disabled.
uint32_t flags; ///< Abilities of bus to be checked by the driver. Or-ed value of ``SPICOMMON_BUSFLAG_*`` flags.
esp_intr_cpu_affinity_t isr_cpu_id; ///< Select cpu core to register SPI ISR.

1
components/esp_driver_spi/src/gpspi/spi_master.c
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@ -314,6 +314,7 @@ static esp_err_t spi_master_init_driver(spi_host_device_t host_id)
spi_ll_enable_clock(host_id, true);
}
spi_hal_init(&host->hal, host_id);
spi_hal_config_io_default_level(&host->hal, bus_attr->bus_cfg.data_io_default_level);
if (host_id != SPI1_HOST) {
//SPI1 attributes are already initialized at start up.

8
components/hal/include/hal/spi_hal.h
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@ -168,6 +168,14 @@ typedef struct {
*/
void spi_hal_init(spi_hal_context_t *hal, uint32_t host_id);
/**
* Config default output IO level when don't have transaction
*
* @param hal Context of the HAL layer.
* @param level IO level to config
*/
void spi_hal_config_io_default_level(spi_hal_context_t *hal, bool level);
/**
* Deinit the peripheral (and the context if needed).
*

16
components/hal/spi_hal.c
View File

@ -26,11 +26,6 @@ void spi_hal_init(spi_hal_context_t *hal, uint32_t host_id)
memset(hal, 0, sizeof(spi_hal_context_t));
spi_dev_t *hw = SPI_LL_GET_HW(host_id);
hal->hw = hw;
#if SPI_LL_MOSI_FREE_LEVEL
// Change default data line level to low which same as esp32
spi_ll_set_mosi_free_level(hw, 0);
#endif
spi_ll_master_init(hw);
//Force a transaction done interrupt. This interrupt won't fire yet because
@ -43,6 +38,17 @@ void spi_hal_init(spi_hal_context_t *hal, uint32_t host_id)
spi_ll_apply_config(hw);
}
void spi_hal_config_io_default_level(spi_hal_context_t *hal, bool level)
{
#if SPI_LL_MOSI_FREE_LEVEL
// Config default output data line level when don't have transaction
spi_ll_set_mosi_free_level(hal->hw, level);
spi_ll_apply_config(hal->hw);
#else
HAL_LOGW(SPI_HAL_TAG, "The target don't support this config")
#endif
}
void spi_hal_deinit(spi_hal_context_t *hal)
{
spi_dev_t *hw = hal->hw;