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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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32
core/esp_phy.c Normal file
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/** esp/phy.h
*
* PHY hardware management functions.
*
* Part of esp-open-rtos
* Copyright (C) 2016 ChefSteps, Inc
* BSD Licensed as described in the file LICENSE
*/
#include <esp/phy.h>
#include <esp/gpio.h>
void bt_coexist_configure(bt_coexist_mode_t mode, uint8_t bt_active_pin, uint8_t bt_priority_pin)
{
/* Disable coexistence entirely before changing pin assignments */
GPIO.OUT &= ~(GPIO_OUT_BT_COEXIST_MASK);
uint32_t new_mask = 0;
new_mask = VAL2FIELD_M(GPIO_OUT_BT_ACTIVE_PIN, bt_active_pin) +
VAL2FIELD_M(GPIO_OUT_BT_PRIORITY_PIN, bt_priority_pin);
if(mode == BT_COEXIST_USE_BT_ACTIVE || mode == BT_COEXIST_USE_BT_ACTIVE_PRIORITY) {
gpio_enable(bt_active_pin, GPIO_INPUT);
new_mask |= GPIO_OUT_BT_ACTIVE_ENABLE;
}
if(mode == BT_COEXIST_USE_BT_ACTIVE_PRIORITY) {
gpio_enable(bt_priority_pin, GPIO_INPUT);
new_mask |= GPIO_OUT_BT_PRIORITY_ENABLE;
}
GPIO.OUT |= new_mask;
}