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Reducing IMEM footprint in flash routines

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logicog
2025-09-30 20:45:44 +02:00
parent 110c403443
commit 05492e601a
5 changed files with 69 additions and 52 deletions
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cmd_parser.c
+13 -6
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@@ -32,7 +32,9 @@ extern volatile __xdata uint8_t sfr_data[4];
extern __code uint8_t * __code greeting;
extern __code uint8_t * __code hex;
extern __xdata uint8_t flash_buf[256];
extern __xdata uint8_t flash_buf[512];
extern __xdata uint32_t flash_addr;
__xdata uint8_t vlan_names[VLAN_NAMES_SIZE];
__xdata uint16_t vlan_ptr;
__xdata uint8_t gpio_last_value[8] = { 0 };
@@ -495,7 +497,8 @@ void cmd_parser(void) __banked
}
if (cmd_compare(0, "flash") && cmd_words_b[1] > 0 && cmd_buffer[cmd_words_b[1]] == 'd') {
print_string("\nDUMPING FLASH\n");
flash_dump(0, 255);
flash_addr = 0;
flash_dump(255);
}
if (cmd_compare(0, "flash") && cmd_words_b[1] > 0 && cmd_buffer[cmd_words_b[1]] == 'j') {
print_string("\nJEDEC ID\n");
@@ -510,7 +513,8 @@ void cmd_parser(void) __banked
print_string("\nFLASH FAST MODE\n");
flash_init(1);
print_string("\nNow dumping flash\n");
flash_dump(0, 255);
flash_addr = 0;
flash_dump(255);
}
if (cmd_compare(0, "flash") && cmd_words_b[1] > 0 && cmd_buffer[cmd_words_b[1]] == 'e') {
print_string("\nFLASH erase\n");
@@ -520,7 +524,8 @@ void cmd_parser(void) __banked
print_string("\nFLASH write\n");
for (uint8_t i = 0; i < 20; i++)
flash_buf[i] = greeting[i];
flash_write_bytes(0x20000, flash_buf, 20);
flash_addr = 0x20000;
flash_write_bytes(flash_buf, 20);
}
if (cmd_compare(0, "port") && cmd_words_b[1] > 0) {
print_string("\nPORT ");
@@ -625,10 +630,12 @@ void execute_config(void) __banked
__xdata uint32_t pos = CONFIG_START;
__xdata uint16_t len_left = CONFIG_LEN;
do {
flash_find_mark(pos, len_left, "\n");
flash_addr = pos;
flash_find_mark("\n", len_left);
if (mpos != 0xffff) {
__xdata uint16_t len = len_left - mpos;
flash_read_bulk(&cmd_buffer[0], pos, len > SBUF_SIZE ? SBUF_SIZE : len);
flash_addr = pos;
flash_read_bulk(&cmd_buffer[0], len > SBUF_SIZE ? SBUF_SIZE : len);
cmd_buffer[len > SBUF_SIZE ? SBUF_SIZE : len] = '\0';
len++;
pos += len;