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wiced: reset Bluetooth controller via RESET line if available

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This commit is contained in:
Matthias Ringwald 2016-08-16 14:18:12 +02:00
parent 8c768b83f7
commit ce7ff1f89f
1 changed files with 23 additions and 5 deletions
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28
port/wiced/hci_transport_h4_wiced.c
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@ -270,6 +270,13 @@ static int h4_open(void){
platform_gpio_init(wiced_bt_control_pins[WICED_BT_PIN_HOST_WAKE], INPUT_HIGH_IMPEDANCE);
platform_gpio_init(wiced_bt_control_pins[WICED_BT_PIN_DEVICE_WAKE], OUTPUT_PUSH_PULL);
platform_gpio_output_low(wiced_bt_control_pins[WICED_BT_PIN_DEVICE_WAKE]);
/* Configure Reg Enable pin to output. Set to HIGH */
if (wiced_bt_control_pins[ WICED_BT_PIN_POWER ]){
platform_gpio_init( wiced_bt_control_pins[ WICED_BT_PIN_POWER ], OUTPUT_OPEN_DRAIN_PULL_UP );
platform_gpio_output_high( wiced_bt_control_pins[ WICED_BT_PIN_POWER ] );
}
wiced_rtos_delay_milliseconds( 100 );
// -- init UART
@ -291,12 +298,23 @@ static int h4_open(void){
#endif
platform_uart_init( wiced_bt_uart_driver, wiced_bt_uart_peripheral, &uart_config, ring_buffer );
// reset Bluetooth
platform_gpio_init( wiced_bt_control_pins[ WICED_BT_PIN_POWER ], OUTPUT_PUSH_PULL );
platform_gpio_output_low( wiced_bt_control_pins[ WICED_BT_PIN_POWER ] );
wiced_rtos_delay_milliseconds( 100 );
platform_gpio_output_high( wiced_bt_control_pins[ WICED_BT_PIN_POWER ] );
// Reset Bluetooth via RESET line. Fallback to toggling POWER otherwise
if ( wiced_bt_control_pins[ WICED_BT_PIN_RESET ]){
platform_gpio_init( wiced_bt_control_pins[ WICED_BT_PIN_RESET ], OUTPUT_PUSH_PULL );
platform_gpio_output_high( wiced_bt_control_pins[ WICED_BT_PIN_RESET ] );
platform_gpio_output_low( wiced_bt_control_pins[ WICED_BT_PIN_RESET ] );
wiced_rtos_delay_milliseconds( 100 );
platform_gpio_output_high( wiced_bt_control_pins[ WICED_BT_PIN_RESET ] );
}
else if ( wiced_bt_control_pins[ WICED_BT_PIN_POWER ]){
platform_gpio_output_low( wiced_bt_control_pins[ WICED_BT_PIN_POWER ] );
wiced_rtos_delay_milliseconds( 100 );
platform_gpio_output_high( wiced_bt_control_pins[ WICED_BT_PIN_POWER ] );
}
// wait for Bluetooth to start up
wiced_rtos_delay_milliseconds( 500 );
// create worker threads for rx/tx. only single request is posted to their queues