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nrf5/sdk: Backing up progress in BLE UART driver. Adding ringbuffer in order to poll bytes from recieved data in REPL main loop.

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This commit is contained in:
Glenn Ruben Bakke 2017-02-24 15:14:12 +01:00
parent bfda169dfe
commit 64b23e1127
1 changed files with 35 additions and 4 deletions
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39
nrf5/sdk/ble_uart.c
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@ -26,6 +26,8 @@
#include <string.h>
#include "ble_uart.h"
#include "ringbuffer.h"
#include "hal/hal_time.h"
#if MICROPY_PY_BLE_NUS
@ -74,8 +76,21 @@ static ubluepy_peripheral_obj_t ble_uart_peripheral = {
static bool cccd_enabled;
ringBuffer_typedef(uint8_t, ringbuffer_t);
static ringbuffer_t m_rx_ring_buffer;
static ringbuffer_t * mp_rx_ring_buffer = &m_rx_ring_buffer;
static uint8_t m_rx_ring_buffer_data[128];
int mp_hal_stdin_rx_chr(void) {
return 0;
while (isBufferEmpty(mp_rx_ring_buffer)) {
;
}
uint8_t byte;
bufferRead(mp_rx_ring_buffer, byte);
return (int)byte;
}
void mp_hal_stdout_tx_strn(const char *str, size_t len) {
@ -101,6 +116,14 @@ void mp_hal_stdout_tx_strn(const char *str, size_t len) {
}
}
void mp_hal_stdout_tx_strn_cooked(const char *str, mp_uint_t len) {
for (uint8_t i = 0; i < len; i++) {
mp_hal_stdout_tx_strn(&str[i], 1);
// for now put in a small delay as it could look like packets are issued to fast.
mp_hal_delay_ms(10);
}
}
STATIC void gap_event_handler(mp_obj_t self_in, uint16_t event_id, uint16_t conn_handle, uint16_t length, uint8_t * data) {
ubluepy_peripheral_obj_t * self = MP_OBJ_TO_PTR(self_in);
@ -118,7 +141,11 @@ STATIC void gatts_event_handler(mp_obj_t self_in, uint16_t event_id, uint16_t at
if (event_id == 80) { // gatts write
if (ble_uart_char_rx.cccd_handle == attr_handle) {
cccd_enabled = true;
}
} else if (ble_uart_char_tx.handle == attr_handle) {
for (uint16_t i = 0; i < length; i++) {
bufferWrite(mp_rx_ring_buffer, data[i]);
}
}
}
}
@ -151,8 +178,6 @@ void ble_uart_init0(void) {
}
mp_obj_list_append(ble_uart_service.char_list, MP_OBJ_FROM_PTR(&ble_uart_char_rx));
// setup the peripheral
(void)ble_uart_peripheral;
ble_uart_peripheral.service_list = mp_obj_new_list(0, NULL);
@ -185,6 +210,12 @@ void ble_uart_init0(void) {
cccd_enabled = false;
// initialize ring buffer
m_rx_ring_buffer.size = sizeof(m_rx_ring_buffer_data) + 1;
m_rx_ring_buffer.start = 0;
m_rx_ring_buffer.end = 0;
m_rx_ring_buffer.elems = m_rx_ring_buffer_data;
(void)ble_drv_advertise_data(&adv_data);
while (cccd_enabled != true) {