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Add esp/iomux_regs.h

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This commit is contained in:
Alex Stewart 2015-08-18 17:38:31 -07:00
parent 3eee1a9845
commit 2ffd3da71e
7 changed files with 197 additions and 180 deletions
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34
core/include/esp/registers.h
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@ -14,8 +14,9 @@
#ifndef _ESP_REGISTERS
#define _ESP_REGISTERS
#include "common_macros.h"
#include "esp/types.h"
typedef volatile uint32_t *esp_reg_t;
#include "esp/iomux_regs.h"
/* Internal macro, only defined in header body */
#define _REG(BASE, OFFSET) (*(esp_reg_t)((BASE)+(OFFSET)))
@ -33,7 +34,7 @@ typedef volatile uint32_t *esp_reg_t;
#define GPIO0_BASE (MMIO_BASE + 0x0300)
#define TIMER_BASE (MMIO_BASE + 0x0600)
#define RTC_BASE (MMIO_BASE + 0x0700)
#define IOMUX_BASE (MMIO_BASE + 0x0800)
//#define IOMUX_BASE (MMIO_BASE + 0x0800)
#define WDT_BASE (MMIO_BASE + 0x0900)
#define I2C_BASE (MMIO_BASE + 0x0d00)
#define UART1_BASE (MMIO_BASE + 0x0F00)
@ -41,35 +42,6 @@ typedef volatile uint32_t *esp_reg_t;
#define RTCS_BASE (MMIO_BASE + 0x1100)
#define RTCU_BASE (MMIO_BASE + 0x1200)
/*
* iomux registers, apply to pin functions.
*
* Note that IOMUX register order is _not_ the same as GPIO order. See
* esp_iomux.h for programmer-friendly IOMUX configuration options
*/
#define IOMUX_REG(X) _REG(IOMUX_BASE,0x04+4*X)
#define IOMUX_OE BIT(0) /* iomux Output enable bit */
#define IOMUX_OE_SLEEP BIT(1) /* iomux Output during sleep bit */
#define IOMUX_PD BIT(6) /* iomux soft pulldown bit */
#define IOMUX_PD_SLEEP BIT(2) /* iomux soft pulldown during sleep bit */
#define IOMUX_PU BIT(7) /* iomux soft pullup bit */
#define IOMUX_PU_SLEEP BIT(3) /* iomux soft pullup during sleep bit */
#define IOMUX_FLAG_WAKE_MASK (IOMUX_OE|IOMUX_PD|IOMUX_PU)
#define IOMUX_FLAG_SLEEP_MASK (IOMUX_OE_SLEEP|IOMUX_PD_SLEEP|IOMUX_PU_SLEEP)
#define IOMUX_FLAG_MASK (IOMUX_FLAG_WAKE_MASK|IOMUX_FLAG_SLEEP_MASK)
#define IOMUX_FUNC_MASK (BIT(4)|BIT(5)|BIT(12))
/* All pins have FUNC_A on reset (unconfirmed) */
#define IOMUX_FUNC_A (0)
#define IOMUX_FUNC_B BIT(4)
#define IOMUX_FUNC_C BIT(5)
#define IOMUX_FUNC_D BIT(4)|BIT(5)
#define IOMUX_FUNC_E BIT(12)
/*
* Based on descriptions by mamalala at https://github.com/esp8266/esp8266-wiki/wiki/gpio-registers