This commit is contained in:
Dan-guanghua
2025-12-15 12:05:33 +08:00
parent 90c69ea943
commit ae86588aa9
3 changed files with 251 additions and 251 deletions

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@@ -1,13 +1,13 @@
# This variable should contain a space separated list of all # This variable should contain a space separated list of all
# the directories containing buildable applications (usually # the directories containing buildable applications (usually
# prefixed with the app_ prefix) # prefixed with the app_ prefix)
TARGET = xk-audio-316-mc.xn TARGET = xk-audio-316-mc.xn
BUILD_SUBDIRS = all BUILD_SUBDIRS = all
XMOS_MAKE_PATH ?= ../.. XMOS_MAKE_PATH ?= ../..
include $(XMOS_MAKE_PATH)/xcommon/module_xcommon/build/Makefile.toplevel include $(XMOS_MAKE_PATH)/xcommon/module_xcommon/build/Makefile.toplevel

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@@ -1,28 +1,28 @@
TARGET = PHATEN_GS.xn TARGET = PHATEN_GS.xn
SOURCE = loader.xc SOURCE = loader.xc
OBJS = loader.o OBJS = loader.o
OUT = OUT =
CC = xcc CC = xcc
CFLAGS = -c -Wall -march=xs3a CFLAGS = -c -Wall -march=xs3a
LFLAGS = -lflash LFLAGS = -lflash
all: $(OBJS) all: $(OBJS)
loader.o: loader.xc loader.o: loader.xc
$(CC) $(TARGET) $(FLAGS) loader.xc -o $(OBJS) $(CC) $(TARGET) $(FLAGS) loader.xc -o $(OBJS)
$(OUT):loader.o $(OUT):loader.o
$(CC) loader.o $(TARGET) $(LFLAGS) -o $(OUT) $(CC) loader.o $(TARGET) $(LFLAGS) -o $(OUT)
clean: clean:
rm -f $(OBJS) $(OUT) rm -f $(OBJS) $(OUT)
XMOS_MAKE_PATH ?= ../.. XMOS_MAKE_PATH ?= ../..
ifneq ($(wildcard $(XMOS_MAKE_PATH)/xcommon/module_xcommon/build/Makefile.common),) ifneq ($(wildcard $(XMOS_MAKE_PATH)/xcommon/module_xcommon/build/Makefile.common),)
include $(XMOS_MAKE_PATH)/xcommon/module_xcommon/build/Makefile.common include $(XMOS_MAKE_PATH)/xcommon/module_xcommon/build/Makefile.common
else else
include ../module_xcommon/build/Makefile.common include ../module_xcommon/build/Makefile.common
endif endif

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@@ -1,211 +1,211 @@
// Copyright (c) 2016, XMOS Ltd, All rights reserved // Copyright (c) 2016, XMOS Ltd, All rights reserved
#include <xs1.h> #include <xs1.h>
#include <platform.h> #include <platform.h>
//port SPI_MOSI = XS1_PORT_1D; // e.g., XS1_PORT_1D //port SPI_MOSI = XS1_PORT_1D; // e.g., XS1_PORT_1D
//port SPI_MISO = XS1_PORT_1A; // e.g., XS1_PORT_1A //port SPI_MISO = XS1_PORT_1A; // e.g., XS1_PORT_1A
//port SPI_CLK = XS1_PORT_1C; // e.g., XS1_PORT_1C //port SPI_CLK = XS1_PORT_1C; // e.g., XS1_PORT_1C
//port SPI_SS = XS1_PORT_1B; // e.g., XS1_PORT_1B //port SPI_SS = XS1_PORT_1B; // e.g., XS1_PORT_1B
#if defined(__XS2A__) #if defined(__XS2A__)
/* Note range 0x7FFC8 - 0x7FFFF guarenteed to be untouched by tools */ /* Note range 0x7FFC8 - 0x7FFFF guarenteed to be untouched by tools */
#warning Building xCORE-200 compatible loader #warning Building xCORE-200 compatible loader
#define FLAG_ADDRESS 0x7ffcc #define FLAG_ADDRESS 0x7ffcc
#else #else
/* Note range 0xFFFC8 - 0xFFFFF guarenteed to be untouched by tools */ /* Note range 0xFFFC8 - 0xFFFFF guarenteed to be untouched by tools */
#warning Building xcore.ai compatible loader #warning Building xcore.ai compatible loader
#define FLAG_ADDRESS 0xfffcc #define FLAG_ADDRESS 0xfffcc
#endif #endif
/* Store Flag to fixed address */ /* Store Flag to fixed address */
void SetRoleSwitchFlag(unsigned x) void SetRoleSwitchFlag(unsigned x)
{ {
asm volatile("stw %0, %1[0]" :: "r"(x), "r"(FLAG_ADDRESS)); asm volatile("stw %0, %1[0]" :: "r"(x), "r"(FLAG_ADDRESS));
} }
/* Load flag from fixed address */ /* Load flag from fixed address */
unsigned GetRoleSwitchFlag() unsigned GetRoleSwitchFlag()
{ {
unsigned x; unsigned x;
asm volatile("ldw %0, %1[0]" : "=r"(x) : "r"(FLAG_ADDRESS)); asm volatile("ldw %0, %1[0]" : "=r"(x) : "r"(FLAG_ADDRESS));
return x; return x;
} }
void delay_cycles(int count) { void delay_cycles(int count) {
for (int i = 0; i < count; i++) { for (int i = 0; i < count; i++) {
asm volatile (""); // Prevent compiler removal. asm volatile (""); // Prevent compiler removal.
} }
} }
/* /*
* spi_transact_32_full: Sends 32 bits out on MOSI and simultaneously reads 32 bits from MISO. * spi_transact_32_full: Sends 32 bits out on MOSI and simultaneously reads 32 bits from MISO.
* *
* Parameters: * Parameters:
* unsigned data - The 32-bit word to send over MOSI. * unsigned data - The 32-bit word to send over MOSI.
* *
* Returns: * Returns:
* The 32-bit word received from MISO. * The 32-bit word received from MISO.
* *
* Assumptions: * Assumptions:
* - The chip-select (SS) is already asserted (active low). * - The chip-select (SS) is already asserted (active low).
* - The SPI_CLK, SPI_MOSI, and SPI_MISO ports have been correctly defined in the XN file. * - The SPI_CLK, SPI_MOSI, and SPI_MISO ports have been correctly defined in the XN file.
* - The transfer is LSB-first; adjust shifting/ordering if your device expects MSB-first. * - The transfer is LSB-first; adjust shifting/ordering if your device expects MSB-first.
*/ */
//unsigned spi_transact_32_full(unsigned data) { //unsigned spi_transact_32_full(unsigned data) {
// unsigned received = 0; // unsigned received = 0;
// for (int bit = 0; bit < 32; bit++) { // for (int bit = 0; bit < 32; bit++) {
// // Drive clock low. // // Drive clock low.
// SPI_CLK <: 0; // SPI_CLK <: 0;
// delay_cycles(5); // delay_cycles(5);
// //
// // Set MOSI line according to the current LSB of data. // // Set MOSI line according to the current LSB of data.
// if (data & 0x1) // if (data & 0x1)
// SPI_MOSI <: 1; // SPI_MOSI <: 1;
// else // else
// SPI_MOSI <: 0; // SPI_MOSI <: 0;
// delay_cycles(5); // delay_cycles(5);
// //
// // Raise clock; the rising edge clocks both the outgoing bit and makes the incoming bit valid. // // Raise clock; the rising edge clocks both the outgoing bit and makes the incoming bit valid.
// SPI_CLK <: 1; // SPI_CLK <: 1;
// delay_cycles(5); // delay_cycles(5);
// //
// // Read the corresponding MISO bit. // // Read the corresponding MISO bit.
// int bit_val = 0; // int bit_val = 0;
// SPI_MISO :> bit_val; // SPI_MISO :> bit_val;
// bit_val &= 0x1; // bit_val &= 0x1;
// //
// received |= (bit_val << bit); // received |= (bit_val << bit);
// //
// // Prepare the next bit to be transmitted. // // Prepare the next bit to be transmitted.
// data >>= 1; // data >>= 1;
// } // }
// // Ensure the clock ends in a low state. // // Ensure the clock ends in a low state.
// SPI_CLK <: 0; // SPI_CLK <: 0;
// return received; // return received;
//} //}
/* Port for button on xk-audio-316 board. */ /* Port for button on xk-audio-316 board. */
in port p_button = XS1_PORT_4E; in port p_button = XS1_PORT_4E;
out port port_audio_config = XS1_PORT_8D; out port port_audio_config = XS1_PORT_8D;
/* Enum for representing button state. */ /* Enum for representing button state. */
enum button_val enum button_val
{ {
MODE_STEREO, MODE_STEREO,
MODE_71_GAME, MODE_71_GAME,
MODE_TOTAL MODE_TOTAL
}; };
/* Store the button position. */ /* Store the button position. */
int buttonPosition; int buttonPosition;
/* Enum for representing the potential interest in the image. */ /* Enum for representing the potential interest in the image. */
enum interest enum interest
{ {
NOT_INTERESTED = 0, NOT_INTERESTED = 0,
INTERESTED = 1 INTERESTED = 1
}; };
#define SWITCH_TO_STEREO_DNR_OFF 0x01 #define SWITCH_TO_STEREO_DNR_OFF 0x01
#define SWITCH_TO_STEREO_DNR_ON 0x02 #define SWITCH_TO_STEREO_DNR_ON 0x02
#define SWITCH_TO_71_DNR_OFF 0x03 #define SWITCH_TO_71_DNR_OFF 0x03
#define SWITCH_TO_71_DNR_ON 0x04 #define SWITCH_TO_71_DNR_ON 0x04
int get_ids() { int get_ids() {
// TODO, consider just bit bashing SPI at a low speed to just get the darn FlashIdNum! // TODO, consider just bit bashing SPI at a low speed to just get the darn FlashIdNum!
int success; int success;
// success = fl_connect(SPI); // success = fl_connect(SPI);
// Check success // Check success
// int identifier = fl_getFlashIdNum(); // int identifier = fl_getFlashIdNum();
// unsigned char idStr[MAX_LEN]; // unsigned char idStr[MAX_LEN];
// success = fl_getFlashIdStr(idStr, MAX_LEN); // success = fl_getFlashIdStr(idStr, MAX_LEN);
// Check success // Check success
// success = spi_transact_32_full(0x9F); // success = spi_transact_32_full(0x9F);
// success = spi_transact_32_full(0x9F); // success = spi_transact_32_full(0x9F);
// success = spi_transact_32_full(0x9F); // success = spi_transact_32_full(0x9F);
return success; return success;
} }
/* Store the version of the image in memory that will potentially be booted. */ /* Store the version of the image in memory that will potentially be booted. */
int candidateImageVersion = -1; int candidateImageVersion = -1;
/* Store the address of the image in memory that will potentially be booted. */ /* Store the address of the image in memory that will potentially be booted. */
unsigned candidateImageAddress; unsigned candidateImageAddress;
void init(void) void init(void)
{ {
//port_audio_config <: 0b00100000; //port_audio_config <: 0b00100000;
delay_milliseconds(10); delay_milliseconds(10);
unsigned buttonVal; unsigned buttonVal;
/* Read state of button. */ /* Read state of button. */
//buttonVal=get_ids();//p_button :> buttonVal; //buttonVal=get_ids();//p_button :> buttonVal;
buttonVal = GetRoleSwitchFlag(); buttonVal = GetRoleSwitchFlag();
if (buttonVal == 0) { if (buttonVal == 0) {
buttonPosition = MODE_TOTAL; buttonPosition = MODE_TOTAL;
} else { } else {
if ( (buttonVal == SWITCH_TO_STEREO_DNR_OFF) || (buttonVal == SWITCH_TO_STEREO_DNR_ON)) { if ( (buttonVal == SWITCH_TO_STEREO_DNR_OFF) || (buttonVal == SWITCH_TO_STEREO_DNR_ON)) {
buttonPosition = MODE_STEREO; buttonPosition = MODE_STEREO;
} else { } else {
buttonPosition = MODE_71_GAME; buttonPosition = MODE_71_GAME;
} }
} }
#if 0 #if 0
/* Button is up. */ /* Button is up. */
if((buttonVal) > 1) if((buttonVal) > 1)
{ {
buttonPosition = MODE_STEREO; buttonPosition = MODE_STEREO;
} }
/* Button is down. */ /* Button is down. */
else else
{ {
buttonPosition = MODE_71_GAME; buttonPosition = MODE_71_GAME;
} }
#endif #endif
} }
extern int checkCandidateImageVersion(int imageVersion) extern int checkCandidateImageVersion(int imageVersion)
{ {
/* If the button is up and imageVersion is even and imageVersion is higher */ /* If the button is up and imageVersion is even and imageVersion is higher */
/* than the last candidateImageVersion then this is a potential version */ /* than the last candidateImageVersion then this is a potential version */
/* for booting. */ /* for booting. */
if (buttonPosition == MODE_TOTAL) return INTERESTED; if (buttonPosition == MODE_TOTAL) return INTERESTED;
if ((buttonPosition == MODE_71_GAME) && if ((buttonPosition == MODE_71_GAME) &&
((imageVersion % 2) == 0) /*&&*/ ((imageVersion % 2) == 0) /*&&*/
/*(imageVersion > candidateImageVersion)*/) /*(imageVersion > candidateImageVersion)*/)
{ {
return INTERESTED; return INTERESTED;
} }
/* If the button is down and imageVersion is odd and imageVersion is higher */ /* If the button is down and imageVersion is odd and imageVersion is higher */
/* than the last candidateImageVersion then this is a potential version */ /* than the last candidateImageVersion then this is a potential version */
/* for booting. */ /* for booting. */
else if ((buttonPosition == MODE_STEREO) && else if ((buttonPosition == MODE_STEREO) &&
((imageVersion % 2) != 0) /*&&*/ ((imageVersion % 2) != 0) /*&&*/
/*(imageVersion > candidateImageVersion)*/) /*(imageVersion > candidateImageVersion)*/)
{ {
return INTERESTED; return INTERESTED;
} }
/* Not a potential firmware image in all other cases. */ /* Not a potential firmware image in all other cases. */
return NOT_INTERESTED; return NOT_INTERESTED;
} }
extern void recordCandidateImage(int imageVersion, unsigned imageAddress) extern void recordCandidateImage(int imageVersion, unsigned imageAddress)
{ {
/* Save the imageVersion that we are interested in. */ /* Save the imageVersion that we are interested in. */
candidateImageVersion = imageVersion; candidateImageVersion = imageVersion;
/* Save the imageAddress of the imageVersion that we are interested in. */ /* Save the imageAddress of the imageVersion that we are interested in. */
candidateImageAddress = imageAddress; candidateImageAddress = imageAddress;
} }
extern unsigned reportSelectedImage(void) extern unsigned reportSelectedImage(void)
{ {
/* Return the candidateImageAddress of the image that we are interested in. */ /* Return the candidateImageAddress of the image that we are interested in. */
return candidateImageAddress; return candidateImageAddress;
} }