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soc/gpio: fix description of GPIO_STRAP_REG

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Ivan Grokhotkov
2017-11-01 16:26:59 +08:00
parent 849ad9b37b
commit 5a294c9acd
1 changed files with 1 additions and 2 deletions
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3
components/soc/esp32/include/soc/gpio_reg.h
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@@ -129,8 +129,7 @@
#define GPIO_STRAP_REG (DR_REG_GPIO_BASE + 0x0038)
/* GPIO_STRAPPING : RO ;bitpos:[15:0] ;default: ; */
/*description: GPIO strapping results: {2'd0 boot_sel_dig[7:1] vsdio_boot_sel
boot_sel_chip[5:0]}. Boot_sel_dig[7:1]: {U0RXD SD_CLK SD_CMD SD_DATA0 SD_DATA1 SD_DATA2 SD_DATA3}. vsdio_boot_sel: MTDI. boot_sel_chip[5:0]: {GPIO0 U0TXD GPIO2 GPIO4 MTDO GPIO5}*/
/*description: {10'b0, MTDI, GPIO0, GPIO2, GPIO4, MTDO, GPIO5} */
#define GPIO_STRAPPING 0x0000FFFF
#define GPIO_STRAPPING_M ((GPIO_STRAPPING_V)<<(GPIO_STRAPPING_S))
#define GPIO_STRAPPING_V 0xFFFF