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btstack_uart_block: add get_supported_sleep_modes() and set_sleep(mode)

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This commit is contained in:
Matthias Ringwald 2016-04-26 17:29:24 +02:00
parent 94a5538cc6
commit 18b8d0cbee
3 changed files with 37 additions and 4 deletions
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4
platform/embedded/btstack_uart_block_embedded.c
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@ -145,7 +145,9 @@ static const btstack_uart_block_t btstack_uart_embedded = {
/* int (*set_baudrate)(uint32_t baudrate); */ &hal_uart_dma_set_baud,
/* int (*set_parity)(int parity); */ &btstack_uart_embedded_set_parity,
/* void (*receive_block)(uint8_t *buffer, uint16_t len); */ &btstack_uart_embedded_receive_block,
/* void (*send_block)(const uint8_t *buffer, uint16_t length); */ &btstack_uart_embedded_send_block
/* void (*send_block)(const uint8_t *buffer, uint16_t length); */ &btstack_uart_embedded_send_block,
/* int (*get_supported_sleep_modes); */ NULL,
/* void (*set_sleep)(btstack_uart_sleep_mode_t sleep_mode); */ NULL
};
const btstack_uart_block_t * btstack_uart_block_embedded_instance(void){

4
platform/posix/btstack_uart_block_posix.c
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@ -351,7 +351,9 @@ static const btstack_uart_block_t btstack_uart_posix = {
/* int (*set_baudrate)(uint32_t baudrate); */ &btstack_uart_posix_set_baudrate,
/* int (*set_parity)(int parity); */ &btstack_uart_posix_set_parity,
/* void (*receive_block)(uint8_t *buffer, uint16_t len); */ &btstack_uart_posix_receive_block,
/* void (*send_block)(const uint8_t *buffer, uint16_t length); */ &btstack_uart_posix_send_block
/* void (*send_block)(const uint8_t *buffer, uint16_t length); */ &btstack_uart_posix_send_block,
/* int (*get_supported_sleep_modes); */ NULL,
/* void (*set_sleep)(btstack_uart_sleep_mode_t sleep_mode); */ NULL
};
const btstack_uart_block_t * btstack_uart_block_posix_instance(void){

33
src/btstack_uart_block.h
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@ -53,6 +53,21 @@ typedef struct {
const char *device_name;
} btstack_uart_config_t;
typedef enum {
// UART active, sleep off
BTSTACK_UART_SLEEP_OFF = 0,
// used for eHCILL
BTSTACK_UART_SLEEP_RTS_HIGH_WAKE_ON_CTS_PULSE,
// used for H5 and for eHCILL without support for wake on CTS pulse
BTSTACK_UART_SLEEP_RTS_LOW_WAKE_ON_RX_EDGE,
} btstack_uart_sleep_mode_t;
typedef enum {
BTSTACK_UART_SLEEP_MASK_HIGH_WAKE_ON_CTS_PULSE = 1 << BTSTACK_UART_SLEEP_RTS_HIGH_WAKE_ON_CTS_PULSE,
BTSTACK_UART_SLEEP_MASK_RTS_LOW_WAKE_ON_RX_EDGE = 1 << BTSTACK_UART_SLEEP_RTS_LOW_WAKE_ON_RX_EDGE
} btstack_uart_sleep_mode_mask_t;
typedef struct {
/**
* init transport
@ -100,8 +115,22 @@ typedef struct {
*/
void (*send_block)(const uint8_t *buffer, uint16_t length);
// void hal_uart_dma_set_sleep(uint8_t sleep);
// void hal_uart_dma_set_csr_irq_handler( void (*csr_irq_handler)(void));
// support for sleep modes in TI's H4 eHCILL and H5
/**
* query supported wakeup mechanisms
* @return supported_sleep_modes mask
*/
int (*get_supported_sleep_modes);
/**
* set UART sleep mode - allows to turn off UART and it's clocks to save energy
* Supported sleep modes:
* - off: UART active, RTS low if receive_block was called and block not read yet
* - RTS high, wake on CTS: RTS should be high. On CTS pulse, UART gets enabled again and RTS goes to low
* - RTS low, wake on RX: data on RX will trigger UART enable, bytes might get lost
*/
void (*set_sleep)(btstack_uart_sleep_mode_t sleep_mode);
} btstack_uart_block_t;