[core] Refactor SerialClass as API library

This commit is contained in:
Kuba Szczodrzyński
2023-05-24 11:55:07 +02:00
parent b073290989
commit 3836ad20b7
22 changed files with 296 additions and 268 deletions

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@@ -34,7 +34,7 @@ for f in family.inheritance:
code = f"{f.code}_arduino"
path = join("$CORES_DIR", f.name, "arduino")
found = found or env.AddCoreSources(queue, name=code, path=join(path, "src"))
found = env.AddCoreSources(queue, name=code, path=join(path, "src")) or found
env.AddArduinoLibraries(queue, name=code, path=join(path, "libraries"))
if f.short_name:

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@@ -1,18 +1,6 @@
/* Copyright (c) Kuba Szczodrzyński 2022-06-23. */
#include "Serial.h"
#include <Arduino.h>
extern "C" {
#include <uart_pub.h>
extern void bk_send_byte(uint8_t uport, uint8_t data);
extern void uart_hw_set_change(uint8_t uport, bk_uart_config_t *uart_config);
extern int uart_rx_callback_set(int uport, uart_callback callback, void *param);
} // extern "C"
#include "SerialPrivate.h"
#if HAS_SERIAL1
SerialClass Serial1(UART1_PORT);
@@ -21,39 +9,22 @@ SerialClass Serial1(UART1_PORT);
SerialClass Serial2(UART2_PORT);
#endif
SerialClass::SerialClass(uint8_t port) {
this->port = port;
this->buf = NULL;
}
#if LT_AUTO_DOWNLOAD_REBOOT
static uint8_t adrState = 0;
static const uint8_t adrCmd[] = {0x01, 0xE0, 0xFC, 0x01, 0x00};
static void adrParse(uint8_t c) {
// parse and respond to link check command (CMD_LinkCheck=0)
adrState = (adrState + 1) * (c == adrCmd[adrState]);
if (adrState == 5) {
LT_I("Auto download mode: rebooting");
LT.restart();
}
}
#endif
static void callback(int port, void *param) {
RingBuffer *buf = (RingBuffer *)param;
int ch;
while ((ch = uart_read_byte(port)) != -1) {
#if LT_AUTO_DOWNLOAD_REBOOT && defined(PIN_SERIAL1_RX)
#if LT_AUTO_DOWNLOAD_REBOOT && defined(LT_UART_ADR_PATTERN) && defined(PIN_SERIAL1_RX)
// parse UART protocol commands on UART1
if (port == UART1_PORT)
adrParse(ch);
SerialClass::adrParse(ch);
#endif
buf->store_char(ch);
pBUF->store_char(ch);
}
}
void SerialClass::begin(unsigned long baudrate, uint16_t config) {
this->data = new SerialData();
this->buf = &BUF;
uint8_t dataWidth = ((config & SERIAL_DATA_MASK) >> 8) - 1; // 0x100..0x400 -> 0..3
uint8_t parity = 3 - (config & SERIAL_PARITY_MASK); // 0x3..0x1 -> 0..2
uint8_t stopBits = (config & SERIAL_STOP_BIT_MASK) == SERIAL_STOP_BIT_2; // 0x10..0x30 -> 0..1
@@ -66,14 +37,8 @@ void SerialClass::begin(unsigned long baudrate, uint16_t config) {
.flow_control = FLOW_CTRL_DISABLED,
};
if (this->buf) {
this->buf->clear();
} else {
this->buf = new RingBuffer();
}
uart_hw_set_change(port, &cfg);
uart_rx_callback_set(port, callback, this->buf);
uart_rx_callback_set(port, callback, &BUF);
}
void SerialClass::end() {
@@ -86,19 +51,8 @@ void SerialClass::end() {
uart2_exit();
break;
}
delete this->buf;
}
int SerialClass::available() {
return buf->available();
}
int SerialClass::peek() {
return buf->peek();
}
int SerialClass::read() {
return buf->read_char();
this->buf = NULL;
delete DATA;
}
void SerialClass::flush() {

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@@ -0,0 +1,14 @@
/* Copyright (c) Kuba Szczodrzyński 2023-05-24. */
#pragma once
#include <Arduino.h>
#include <sdk_private.h>
typedef struct {
RingBuffer buf;
} SerialData;
#define DATA ((SerialData *)data)
#define BUF (DATA->buf)
#define pBUF ((RingBuffer *)param)

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@@ -14,3 +14,7 @@
#error "No serial port is available"
#endif
#endif
// Auto-download-reboot detection pattern
// Link check command (CMD_LinkCheck=0)
#define LT_UART_ADR_PATTERN 0x01, 0xE0, 0xFC, 0x01, 0x00

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@@ -0,0 +1,24 @@
/* Copyright (c) Kuba Szczodrzyński 2023-05-24. */
#pragma once
#include <stdbool.h>
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif // __cplusplus
#include <uart_pub.h>
// SDK
extern uint8_t system_mac[];
extern int uart_print_port;
uint32_t wdt_ctrl(uint32_t cmd, void *param);
void bk_send_byte(uint8_t uport, uint8_t data);
void uart_hw_set_change(uint8_t uport, bk_uart_config_t *uart_config);
int uart_rx_callback_set(int uport, uart_callback callback, void *param);
#ifdef __cplusplus
} // extern "C"
#endif

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@@ -19,9 +19,7 @@ extern "C" {
#include <wdt_pub.h>
#include <wlan_ui_pub.h>
extern uint8_t system_mac[];
extern uint32_t wdt_ctrl(uint32_t cmd, void *param);
extern int uart_print_port;
#include <sdk_extern.h>
// conflict with stl_algobase.h
#undef min

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@@ -0,0 +1,34 @@
/* Copyright (c) Kuba Szczodrzyński 2023-05-23. */
#include "Serial.h"
SerialClass::SerialClass(uint32_t port) {
this->port = port;
this->buf = NULL;
this->data = NULL;
}
#if LT_AUTO_DOWNLOAD_REBOOT && defined(LT_UART_ADR_PATTERN)
static uint8_t adrState = 0;
static uint8_t adrCmd[] = {LT_UART_ADR_PATTERN};
void SerialClass::adrParse(uint8_t c) {
adrState = (adrState + 1) * (c == adrCmd[adrState]);
if (adrState == sizeof(adrCmd) / sizeof(uint8_t)) {
LT_I("Auto download mode: rebooting");
LT.restartDownloadMode();
}
}
#endif
int SerialClass::available() {
return this->buf && this->buf->available();
}
int SerialClass::peek() {
return this->buf ? this->buf->peek() : -1;
}
int SerialClass::read() {
return this->buf ? this->buf->read_char() : -1;
}

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@@ -2,7 +2,7 @@
#pragma once
#include <api/ArduinoAPI.h>
#include <Arduino.h>
#include <api/HardwareSerial.h>
#include <api/RingBuffer.h>
@@ -10,11 +10,14 @@ using namespace arduino;
class SerialClass : public HardwareSerial {
private:
uint8_t port;
uint32_t port;
RingBuffer *buf;
public:
SerialClass(uint8_t port);
void *data;
public:
SerialClass(uint32_t port);
inline void begin(unsigned long baudrate) {
begin(baudrate, SERIAL_8N1);
@@ -32,5 +35,12 @@ class SerialClass : public HardwareSerial {
return !!buf;
}
public:
#if LT_AUTO_DOWNLOAD_REBOOT
static void adrParse(uint8_t c);
#endif
using Print::write;
};
#define HAS_SERIAL_CLASS 1

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@@ -42,6 +42,7 @@ using std::min;
#if defined(__cplusplus) && LT_ARD_HAS_SERIAL
#include <Serial.h>
#if HAS_SERIAL_CLASS
#if HAS_SERIAL0
extern SerialClass Serial0;
#endif
@@ -51,6 +52,7 @@ extern SerialClass Serial1;
#if HAS_SERIAL2
extern SerialClass Serial2;
#endif
#endif
#define SerialN(x) Serial##x
#define SerialM(x) SerialN(x)

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@@ -21,6 +21,8 @@ extern "C" {
#define PIN_SWD (1 << 10)
#define PIN_UART (1 << 11)
#define PIN_INVALID 255
typedef struct {
/**
* @brief GPIO name in the family SDK.

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@@ -1,146 +0,0 @@
/* Copyright (c) Kuba Szczodrzyński 2022-07-03. */
#include "Serial.h"
#include <Arduino.h>
#include <sdk_private.h>
#if HAS_SERIAL0
SerialClass Serial0(UART0_DEV, UART0_IRQ, PIN_SERIAL0_RX, PIN_SERIAL0_TX);
#endif
#if HAS_SERIAL1
SerialClass Serial1(UART1_DEV, UART1_IRQ, PIN_SERIAL1_RX, PIN_SERIAL1_TX);
#endif
#if HAS_SERIAL2
SerialClass Serial2(UART2_DEV, UART_LOG_IRQ, PIN_SERIAL2_RX, PIN_SERIAL2_TX);
#endif
SerialClass::SerialClass(void *uart, uint8_t irq, pin_size_t rx, pin_size_t tx) {
data.uart = uart;
data.buf = NULL;
this->irq = irq;
this->rx = rx;
this->tx = tx;
}
#if LT_AUTO_DOWNLOAD_REBOOT
static uint8_t adrState = 0;
// clang-format off
// Family ID, big-endian
static const uint8_t adrCmd[] = {
0x55, 0xAA,
(FAMILY >> 24) & 0xFF,
(FAMILY >> 16) & 0xFF,
(FAMILY >> 8) & 0xFF,
(FAMILY >> 0) & 0xFF
};
// clang-format on
static void adrParse(uint8_t c) {
adrState = (adrState + 1) * (c == adrCmd[adrState]);
if (adrState == 6) {
LT_I("Auto download mode: rebooting");
LT.restartDownloadMode();
}
}
#endif
static uint32_t callback(void *param) {
SerialData *data = (SerialData *)param;
UART_TypeDef *uart = (UART_TypeDef *)data->uart;
uint32_t intcr = uart->DLH_INTCR;
uart->DLH_INTCR = 0;
uint8_t c;
while (UART_Readable(uart)) {
UART_CharGet(uart, &c);
#if LT_AUTO_DOWNLOAD_REBOOT && defined(PIN_SERIAL2_RX)
// parse UART protocol commands on UART2
if (uart == UART2_DEV)
adrParse(c);
#endif
data->buf->store_char(c);
}
uart->DLH_INTCR = intcr;
return 0;
}
void SerialClass::begin(unsigned long baudrate, uint16_t config) {
// RUART_WLS_7BITS / RUART_WLS_8BITS
uint8_t dataWidth = (config & SERIAL_DATA_MASK) == SERIAL_DATA_8;
// RUART_PARITY_DISABLE / RUART_PARITY_ENABLE
uint8_t parity = (config & SERIAL_PARITY_MASK) != SERIAL_PARITY_NONE;
// RUART_ODD_PARITY / RUART_EVEN_PARITY
uint8_t parityType = (config & SERIAL_PARITY_MASK) == SERIAL_PARITY_EVEN;
// RUART_STOP_BIT_1 / RUART_STOP_BIT_2
uint8_t stopBits = (config & SERIAL_STOP_BIT_MASK) == SERIAL_STOP_BIT_2;
switch ((uint32_t)data.uart) {
case UART0_REG_BASE:
RCC_PeriphClockCmd(APBPeriph_UART0, APBPeriph_UART0_CLOCK, ENABLE);
break;
case UART1_REG_BASE:
RCC_PeriphClockCmd(APBPeriph_UART1, APBPeriph_UART1_CLOCK, ENABLE);
break;
}
Pinmux_Config(pinInfo(this->rx)->gpio, PINMUX_FUNCTION_UART);
Pinmux_Config(pinInfo(this->tx)->gpio, PINMUX_FUNCTION_UART);
PAD_PullCtrl(pinInfo(this->rx)->gpio, GPIO_PuPd_UP);
UART_InitTypeDef cfg;
UART_StructInit(&cfg);
cfg.WordLen = dataWidth;
cfg.Parity = parity;
cfg.ParityType = parityType;
cfg.StopBit = stopBits;
UART_Init((UART_TypeDef *)data.uart, &cfg);
UART_SetBaud((UART_TypeDef *)data.uart, baudrate);
if (data.buf) {
data.buf->clear();
} else {
data.buf = new RingBuffer();
}
VECTOR_IrqUnRegister(this->irq);
VECTOR_IrqRegister(callback, this->irq, (uint32_t)&data, 10);
VECTOR_IrqEn(this->irq, 10);
UART_RxCmd((UART_TypeDef *)data.uart, ENABLE);
UART_INTConfig((UART_TypeDef *)data.uart, RUART_IER_ERBI, ENABLE);
}
void SerialClass::end() {
if (data.uart == UART2_DEV) {
// restore command line mode
DIAG_UartReInit((IRQ_FUN)UartLogIrqHandle);
}
delete data.buf;
}
int SerialClass::available() {
return data.buf->available();
}
int SerialClass::peek() {
return data.buf->peek();
}
int SerialClass::read() {
return data.buf->read_char();
}
void SerialClass::flush() {
UART_WaitBusy((UART_TypeDef *)data.uart, 10);
}
size_t SerialClass::write(uint8_t c) {
while (UART_Writable((UART_TypeDef *)data.uart) == 0) {}
UART_CharPut((UART_TypeDef *)data.uart, c);
return 1;
}

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@@ -1,44 +0,0 @@
/* Copyright (c) Kuba Szczodrzyński 2022-07-03. */
#pragma once
#include <api/ArduinoAPI.h>
#include <api/HardwareSerial.h>
#include <api/RingBuffer.h>
using namespace arduino;
typedef struct {
void *uart; // UART_TypeDef
RingBuffer *buf;
} SerialData;
class SerialClass : public HardwareSerial {
private:
// data accessible to IRQ handler
SerialData data;
uint8_t irq; // IRQn
pin_size_t rx;
pin_size_t tx;
public:
SerialClass(void *uart, uint8_t irq, pin_size_t rx, pin_size_t tx);
inline void begin(unsigned long baudrate) {
begin(baudrate, SERIAL_8N1);
}
void begin(unsigned long baudrate, uint16_t config);
void end();
int available();
int peek();
int read();
void flush();
size_t write(uint8_t c);
operator bool() {
return !!data.buf;
}
using Print::write;
};

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@@ -4,13 +4,5 @@
#define LT_ARD_HAS_WIFI 1
#define LT_ARD_HAS_SOFTSERIAL 1
#define LT_ARD_HAS_SERIAL 1
#define LT_ARD_MD5_POLARSSL 1
#define ARDUINO_AMEBA
// the SDK declares bool if not defined before
// which conflicts with C++ built-in bool
// so it's either -fpermissive or this:
#define bool bool

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@@ -7,6 +7,9 @@
#include <stdbool.h>
// the SDK declares bool if not defined before
// which conflicts with C++ built-in bool
// so it's either -fpermissive or this:
#ifndef bool
#define bool bool
#endif

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@@ -4,9 +4,8 @@
// for some reason, cmsis_os.c does not link properly when this method is inlined in core_cmFunc.h
// (or I am too stupid to understand this)
__attribute__((weak)) uint32_t __get_IPSR()
{
__attribute__((weak)) uint32_t __get_IPSR() {
uint32_t result;
asm volatile ("MRS %0, ipsr" : "=r" (result) );
asm volatile("MRS %0, ipsr" : "=r"(result));
return result;
}

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@@ -0,0 +1,142 @@
/* Copyright (c) Kuba Szczodrzyński 2022-07-03. */
#include "SerialPrivate.h"
#if HAS_SERIAL0
SerialClass Serial0(0);
#endif
#if HAS_SERIAL1
SerialClass Serial1(1);
#endif
#if HAS_SERIAL2
SerialClass Serial2(2);
#endif
static UART_TypeDef *PORT_UART[3] = {UART0_DEV, UART1_DEV, UART2_DEV};
static const IRQn PORT_IRQ[3] = {UART0_IRQ, UART1_IRQ, UART_LOG_IRQ};
static const pin_size_t PORT_RX[3] = {
#ifdef PIN_SERIAL0_RX
PIN_SERIAL0_RX,
#else
PIN_INVALID,
#endif
#ifdef PIN_SERIAL1_RX
PIN_SERIAL1_RX,
#else
PIN_INVALID,
#endif
#ifdef PIN_SERIAL2_RX
PIN_SERIAL2_RX,
#else
PIN_INVALID,
#endif
};
static const pin_size_t PORT_TX[3] = {
#ifdef PIN_SERIAL0_TX
PIN_SERIAL0_TX,
#else
PIN_INVALID,
#endif
#ifdef PIN_SERIAL1_TX
PIN_SERIAL1_TX,
#else
PIN_INVALID,
#endif
#ifdef PIN_SERIAL2_TX
PIN_SERIAL2_TX,
#else
PIN_INVALID,
#endif
};
static uint32_t callback(void *param) {
UART_TypeDef *uart = pdUART;
uint32_t intcr = uart->DLH_INTCR;
uart->DLH_INTCR = 0;
uint8_t c;
while (UART_Readable(uart)) {
UART_CharGet(uart, &c);
#if LT_AUTO_DOWNLOAD_REBOOT && defined(LT_UART_ADR_PATTERN) && defined(PIN_SERIAL2_RX)
// parse UART protocol commands on UART2
if (uart == UART2_DEV)
SerialClass::adrParse(c);
#endif
pdBUF.store_char(c);
}
uart->DLH_INTCR = intcr;
return 0;
}
void SerialClass::begin(unsigned long baudrate, uint16_t config) {
this->data = new SerialData();
this->buf = &BUF;
DATA->uart = PORT_UART[this->port];
DATA->irq = PORT_IRQ[this->port];
DATA->rx = PORT_RX[this->port];
DATA->tx = PORT_TX[this->port];
// RUART_WLS_7BITS / RUART_WLS_8BITS
uint8_t dataWidth = (config & SERIAL_DATA_MASK) == SERIAL_DATA_8;
// RUART_PARITY_DISABLE / RUART_PARITY_ENABLE
uint8_t parity = (config & SERIAL_PARITY_MASK) != SERIAL_PARITY_NONE;
// RUART_ODD_PARITY / RUART_EVEN_PARITY
uint8_t parityType = (config & SERIAL_PARITY_MASK) == SERIAL_PARITY_EVEN;
// RUART_STOP_BIT_1 / RUART_STOP_BIT_2
uint8_t stopBits = (config & SERIAL_STOP_BIT_MASK) == SERIAL_STOP_BIT_2;
switch ((uint32_t)DATA->uart) {
case UART0_REG_BASE:
RCC_PeriphClockCmd(APBPeriph_UART0, APBPeriph_UART0_CLOCK, ENABLE);
break;
case UART1_REG_BASE:
RCC_PeriphClockCmd(APBPeriph_UART1, APBPeriph_UART1_CLOCK, ENABLE);
break;
}
if (DATA->tx != PIN_INVALID) {
Pinmux_Config(DATA->tx, PINMUX_FUNCTION_UART);
}
if (DATA->rx != PIN_INVALID) {
Pinmux_Config(DATA->rx, PINMUX_FUNCTION_UART);
PAD_PullCtrl(DATA->rx, GPIO_PuPd_UP);
}
UART_InitTypeDef cfg;
UART_StructInit(&cfg);
cfg.WordLen = dataWidth;
cfg.Parity = parity;
cfg.ParityType = parityType;
cfg.StopBit = stopBits;
UART_Init(UART, &cfg);
UART_SetBaud(UART, baudrate);
if (DATA->rx != PIN_INVALID) {
VECTOR_IrqUnRegister(DATA->irq);
VECTOR_IrqRegister(callback, DATA->irq, (uint32_t)&data, 10);
VECTOR_IrqEn(DATA->irq, 10);
UART_RxCmd(UART, ENABLE);
UART_INTConfig(UART, RUART_IER_ERBI, ENABLE);
}
}
void SerialClass::end() {
if (UART == UART2_DEV) {
// restore command line mode
DIAG_UartReInit((IRQ_FUN)UartLogIrqHandle);
}
this->buf = NULL;
delete DATA;
}
void SerialClass::flush() {
UART_WaitBusy(UART, 10);
}
size_t SerialClass::write(uint8_t c) {
while (UART_Writable(UART) == 0) {}
UART_CharPut(UART, c);
return 1;
}

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@@ -0,0 +1,21 @@
/* Copyright (c) Kuba Szczodrzyński 2023-05-23. */
#pragma once
#include <Arduino.h>
#include <sdk_private.h>
typedef struct {
UART_TypeDef *uart;
IRQn irq;
pin_size_t rx;
pin_size_t tx;
RingBuffer buf;
} SerialData;
#define DATA ((SerialData *)data)
#define pDATA ((SerialData *)param)
#define BUF (DATA->buf)
#define pdBUF (pDATA->buf)
#define UART (DATA->uart)
#define pdUART (pDATA->uart)

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@@ -0,0 +1,7 @@
#pragma once
#error "Don't include this file directly"
#define LT_ARD_HAS_SERIAL 1
#define LT_ARD_MD5_POLARSSL 1

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@@ -16,3 +16,13 @@
#error "No serial port is available"
#endif
#endif
// clang-format off
// Auto-download-reboot detection pattern
// Family ID, big-endian
#define LT_UART_ADR_PATTERN 0x55, 0xAA, \
(FAMILY >> 24) & 0xFF, \
(FAMILY >> 16) & 0xFF, \
(FAMILY >> 8) & 0xFF, \
(FAMILY >> 0) & 0xFF
// clang-format on

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@@ -2,12 +2,15 @@
#pragma once
#include <stdbool.h>
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif // __cplusplus
int LOGUART_SetBaud(uint32_t BaudRate); // from fixups/log_uart.c
extern void DumpForOneBytes(void *addr, int cnt); // cnt max 0x70!
int LOGUART_SetBaud(uint32_t BaudRate); // from fixups/log_uart.c
void DumpForOneBytes(void *addr, int cnt); // cnt max 0x70!
#ifdef __cplusplus
} // extern "C"

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@@ -19,7 +19,7 @@ void putchar_(char c) {
}
void putchar_p(char c, unsigned long port) {
while (uart_dev[port]->lsr_b.txfifo_empty == 0) {}
while ((uart_dev[port]->tflvr & 0x1F) > 15) {}
uart_dev[port]->thr = c;
}

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@@ -43,7 +43,6 @@ Explicit is better than implicit.
### Other
- refactor `SerialClass` to have a shared header `Serial.h` in the common core (and `SerialData`, just like WiFi). Move ADR to common core
- implement Wire on BK, refactor the API and class
- watchdog API
- `Preferences` library