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PN5180 tx tweak for some weird module

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This commit is contained in:
whowechina 2024-05-28 12:20:20 +08:00
parent c42847bda6
commit 62b080fead
7 changed files with 41 additions and 2 deletions
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3
firmware/include/nfc.h
View File

@ -35,6 +35,7 @@ typedef struct {
typedef struct {
bool debug;
bool pn5180_tx_tweak;
} nfc_runtime_t;
extern nfc_runtime_t nfc_runtime;
@ -52,6 +53,8 @@ void nfc_init();
/* should be called only after init */
void nfc_set_wait_loop(nfc_wait_loop_t loop);
void nfc_pn5180_tx_tweak(bool enable);
void nfc_rf_field(bool on);
nfc_card_t nfc_detect_card();

23
firmware/src/commands.c
View File

@ -38,6 +38,9 @@ static void display_nfc()
{
printf("[NFC Module]\n");
printf(" %s (%s)\n", nfc_module_name(), nfc_module_version());
if (strstr(nfc_module_name(), "5180") != NULL) {
printf(" TX Tweak: %s\n", aic_cfg->tweak.pn5180_tx ? "ON" : "OFF");
}
}
static void display_light()
@ -250,6 +253,25 @@ static void handle_lcd(int argc, char *argv[])
display_lcd();
}
static void handle_pn5180_tweak(int argc, char *argv[])
{
const char *usage = "Usage: pn5180_tweak <on|off>\n";
if (argc != 1) {
printf("%s", usage);
return;
}
const char *commands[] = { "on", "off" };
int match = cli_match_prefix(commands, 4, argv[0]);
if (match < 0) {
return;
}
aic_cfg->tweak.pn5180_tx = (match == 0);
printf("PN5180 TX Tweak: %s\n", aic_cfg->tweak.pn5180_tx ? "ON" : "OFF");
nfc_pn5180_tx_tweak(aic_cfg->tweak.pn5180_tx);
config_changed();
}
static void handle_debug()
{
aic_runtime.debug = !aic_runtime.debug;
@ -268,5 +290,6 @@ void commands_init()
cli_register("light", handle_light, "Turn on/off lights.");
cli_register("level", handle_level, "Set light level.");
cli_register("lcd", handle_lcd, "Touch LCD settings.");
cli_register("pn5180_tweak", handle_pn5180_tweak, "PN5180 TX tweak.");
cli_register("debug", handle_debug, "Toggle debug.");
}

3
firmware/src/config.c
View File

@ -15,7 +15,8 @@ aic_cfg_t *aic_cfg;
static aic_cfg_t default_cfg = {
.light = { .level_idle = 24, .level_active = 128, .rgb = true, .led = true },
.reader = { .virtual_aic = true, .mode = MODE_AUTO },
.lcd = { .backlight = 200, }
.lcd = { .backlight = 200, },
.tweak = { .pn5180_tx = false },
};
aic_runtime_t aic_runtime;

3
firmware/src/config.h
View File

@ -25,6 +25,9 @@ typedef struct __attribute__((packed)) {
struct {
uint8_t backlight;
} lcd;
struct {
bool pn5180_tx;
} tweak;
uint32_t reserved;
} aic_cfg_t;

7
firmware/src/lib/nfc.c
View File

@ -165,6 +165,11 @@ const char *nfc_module_version()
return api[nfc_module].firmware_ver();
}
void nfc_pn5180_tx_tweak(bool enable)
{
nfc_runtime.pn5180_tx_tweak = enable;
}
static bool nfc_detect_mifare(nfc_card_t *card)
{
uint8_t id[20] = { 0 };
@ -297,4 +302,4 @@ void nfc_deselect()
if (api[nfc_module].deselect) {
api[nfc_module].deselect();
}
}
}

3
firmware/src/lib/pn5180.c
View File

@ -270,6 +270,9 @@ static void poll_mifare_0()
{
pn5180_reset();
pn5180_load_rf_config(0x00, 0x80);
if (nfc_runtime.pn5180_tx_tweak) {
write_reg(CMD_WRITE_REG, 0x21, 0x789);
}
pn5180_rf_field(true);
rf_crc_off();
}

1
firmware/src/main.c
View File

@ -413,6 +413,7 @@ void init()
nfc_init_spi(SPI_PORT, SPI_MISO, SPI_SCK, SPI_MOSI, SPI_RST, SPI_NSS, SPI_BUSY);
nfc_init();
nfc_set_wait_loop(wait_loop);
nfc_pn5180_tx_tweak(aic_cfg->tweak.pn5180_tx);
aime_init(cdc_reader_putc);
aime_virtual_aic(aic_cfg->reader.virtual_aic);