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Add PHY hardware management for Bluetooth Coexistence pin choice

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This commit is contained in:
Angus Gratton 2016-04-20 15:43:08 +10:00
parent b61d06e940
commit fd20b1a530
4 changed files with 109 additions and 4 deletions
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15
core/include/esp/gpio_regs.h
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@ -61,6 +61,21 @@ struct GPIO_REGS {
_Static_assert(sizeof(struct GPIO_REGS) == 0x74, "GPIO_REGS is the wrong size");
/* Details for additional OUT register fields */
/* Bottom 16 bits of GPIO.OUT are for GPIOs 0-15, but upper 16 bits
are used to configure the input signalling pins for Bluetooth
Coexistence config (see esp/phy.h for a wrapper function).
*/
#define GPIO_OUT_PIN_MASK 0x0000FFFF
#define GPIO_OUT_BT_COEXIST_MASK 0x03FF0000
#define GPIO_OUT_BT_ACTIVE_ENABLE BIT(24)
#define GPIO_OUT_BT_PRIORITY_ENABLE BIT(25)
#define GPIO_OUT_BT_ACTIVE_PIN_M 0x0F
#define GPIO_OUT_BT_ACTIVE_PIN_S 16
#define GPIO_OUT_BT_PRIORITY_PIN_M 0x0F
#define GPIO_OUT_BT_PRIORITY_PIN_S 20
/* Details for CONF[i] registers */
/* GPIO.CONF[i] control the pin behavior for the corresponding GPIO in/output.