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add flash and PSRAM CS IO acquire function

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This commit is contained in:
chenjianqiang
2021-07-02 21:46:49 +08:00
committed by Li Shuai
parent 5fd169059d
commit 42039cde0a
10 changed files with 79 additions and 1 deletions
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8
components/esp32s2/spiram_psram.c
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@@ -168,6 +168,13 @@ static uint32_t s_psram_id = 0;
static void IRAM_ATTR psram_cache_init(psram_cache_mode_t psram_cache_mode, psram_vaddr_mode_t vaddrmode);
extern void esp_rom_spi_set_op_mode(int spi_num, esp_rom_spiflash_read_mode_t mode);
static uint8_t s_psram_cs_io = (uint8_t)-1;
uint8_t psram_get_cs_io(void)
{
return s_psram_cs_io;
}
static void psram_set_op_mode(int spi_num, psram_cmd_mode_t mode)
{
if (mode == PSRAM_CMD_QPI) {
@@ -375,6 +382,7 @@ static void IRAM_ATTR psram_gpio_config(psram_cache_mode_t mode)
psram_io.psram_spiwp_sd3_io = esp_rom_efuse_get_flash_wp_gpio();
}
esp_rom_spiflash_select_qio_pins(psram_io.psram_spiwp_sd3_io, spiconfig);
s_psram_cs_io = psram_io.psram_cs_io;
}
psram_size_t psram_get_size(void)