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esp_lcd: add condition for spi to keep cs low

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This commit is contained in:
Liu Zhongwei 2022-11-14 17:55:27 +08:00
parent 4bdba8bdc6
commit 1a7cdc095b
1 changed files with 3 additions and 1 deletions
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4
components/esp_lcd/src/esp_lcd_panel_io_spi.c
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@ -209,7 +209,9 @@ static esp_err_t panel_io_spi_tx_param(esp_lcd_panel_io_t *io, int lcd_cmd, cons
memset(lcd_trans, 0, sizeof(lcd_spi_trans_descriptor_t)); memset(lcd_trans, 0, sizeof(lcd_spi_trans_descriptor_t));
lcd_trans->base.user = spi_panel_io; lcd_trans->base.user = spi_panel_io;
lcd_trans->base.flags |= SPI_TRANS_CS_KEEP_ACTIVE; if (param && param_size) {
lcd_trans->base.flags |= SPI_TRANS_CS_KEEP_ACTIVE;
}
if (spi_panel_io->flags.octal_mode) { if (spi_panel_io->flags.octal_mode) {
// use 8 lines for transmitting command, address and data // use 8 lines for transmitting command, address and data
lcd_trans->base.flags |= (SPI_TRANS_MULTILINE_CMD | SPI_TRANS_MULTILINE_ADDR | SPI_TRANS_MODE_OCT); lcd_trans->base.flags |= (SPI_TRANS_MULTILINE_CMD | SPI_TRANS_MULTILINE_ADDR | SPI_TRANS_MODE_OCT);