This commit is contained in:
Conor Patrick 2019-01-07 19:40:20 -05:00
parent b7c0e4ea92
commit aa978abfc7
2 changed files with 100 additions and 79 deletions

View File

@ -7,6 +7,9 @@
#include "log.h" #include "log.h"
#include "util.h" #include "util.h"
#define SELECT() LL_GPIO_ResetOutputPin(SOLO_AMS_CS_PORT,SOLO_AMS_CS_PIN)
#define UNSELECT() LL_GPIO_SetOutputPin(SOLO_AMS_CS_PORT,SOLO_AMS_CS_PIN)
static void flush_rx() static void flush_rx()
{ {
@ -29,10 +32,29 @@ static void wait_for_rx()
} }
#define SELECT() LL_GPIO_ResetOutputPin(SOLO_AMS_CS_PORT,SOLO_AMS_CS_PIN) static void ams_print_device(AMS_DEVICE * dev)
#define UNSELECT() LL_GPIO_SetOutputPin(SOLO_AMS_CS_PORT,SOLO_AMS_CS_PIN) {
printf1(TAG_NFC, "AMS_DEVICE:\r\n");
printf1(TAG_NFC, " io_conf: %02x\r\n",dev->regs.io_conf);
printf1(TAG_NFC, " ic_conf0: %02x\r\n",dev->regs.ic_conf0);
printf1(TAG_NFC, " ic_conf1: %02x\r\n",dev->regs.ic_conf1);
printf1(TAG_NFC, " ic_conf2: %02x\r\n",dev->regs.ic_conf2);
printf1(TAG_NFC, " rfid_status: %02x\r\n",dev->regs.rfid_status);
printf1(TAG_NFC, " ic_status: %02x\r\n",dev->regs.ic_status);
printf1(TAG_NFC, " mask_int0: %02x\r\n",dev->regs.mask_int0);
printf1(TAG_NFC, " mask_int1: %02x\r\n",dev->regs.mask_int1);
printf1(TAG_NFC, " int0: %02x\r\n",dev->regs.int0);
printf1(TAG_NFC, " int1: %02x\r\n",dev->regs.int1);
printf1(TAG_NFC, " buffer_status2: %02x\r\n",dev->regs.buffer_status2);
printf1(TAG_NFC, " buffer_status1: %02x\r\n",dev->regs.buffer_status1);
printf1(TAG_NFC, " last_nfc_addr: %02x\r\n",dev->regs.last_nfc_addr);
printf1(TAG_NFC, " product_type: %02x\r\n",dev->regs.product_type);
printf1(TAG_NFC, " product_subtype: %02x\r\n",dev->regs.product_subtype);
printf1(TAG_NFC, " version_maj: %02x\r\n",dev->regs.version_maj);
printf1(TAG_NFC, " version_min: %02x\r\n",dev->regs.version_min);
}
uint8_t send_recv(uint8_t b) static uint8_t send_recv(uint8_t b)
{ {
wait_for_tx(); wait_for_tx();
LL_SPI_TransmitData8(SPI1, b); LL_SPI_TransmitData8(SPI1, b);
@ -41,16 +63,9 @@ uint8_t send_recv(uint8_t b)
return b; return b;
} }
uint8_t send_recv2(uint8_t b1,uint8_t b2)
{
send_recv(b1);
return send_recv(b2);
}
void ams_write_reg(uint8_t addr, uint8_t tx) static void ams_write_reg(uint8_t addr, uint8_t tx)
{ {
// SELECT();
// delay(2);
send_recv(0x00| addr); send_recv(0x00| addr);
send_recv(tx); send_recv(tx);
@ -61,77 +76,48 @@ void ams_write_reg(uint8_t addr, uint8_t tx)
uint8_t ams_read_reg(uint8_t addr) uint8_t ams_read_reg(uint8_t addr)
{ {
// SELECT(); send_recv(0x20| (addr & 0x1f));
// delay(2); uint8_t data = send_recv(0);
uint8_t data = send_recv2(0x20| (addr & 0x1f), 0);
// send_recv(0x20| addr);
//
// uint8_t data = send_recv(0);
// delay(2);
UNSELECT(); UNSELECT();
SELECT(); SELECT();
return data; return data;
} }
// data must be 14 bytes long // data must be 14 bytes long
void read_reg_block2(uint8_t * data) void read_reg_block2(AMS_DEVICE * dev)
{ {
int i; int i;
for (i = 0; i < 0x20; i++) for (i = 0; i < 0x20; i++)
{ {
// if (i < 6 || (i >=8 && i < 0x0f) || (i >= 0x1e)) dev->buf[i] = ams_read_reg(i);
{
*data = ams_read_reg(i);
data++;
}
} }
} }
// data must be 14 bytes long // data must be 14 bytes long
void read_reg_block(uint8_t * data) void read_reg_block(AMS_DEVICE * dev)
{ {
int i; int i;
uint8_t mode = 0x20 | (0 ); uint8_t mode = 0x20 | (0 );
flush_rx(); flush_rx();
// SELECT();
// delay(2);
send_recv(mode); send_recv(mode);
for (i = 0; i < 0x20; i++) for (i = 0; i < 0x20; i++)
{ {
mode = send_recv(0); dev->buf[i] = send_recv(0);
// if (i < 6 || (i >=8 && i < 0x0f) || (i >= 0x1e))
// {
*data = mode;
data++;
// }
} }
UNSELECT(); UNSELECT();
SELECT(); SELECT();
// UNSELECT();
// delay(2);
// SELECT();
} }
void ams_write_command(uint8_t cmd) void ams_write_command(uint8_t cmd)
{ {
send_recv(0xc0 | cmd);
uint8_t mode = cmd;
// delay(10);
// delay(10);
SELECT();
delay(1);
send_recv(mode);
UNSELECT(); UNSELECT();
SELECT(); SELECT();
} }
void nfc_init() void nfc_init()
@ -149,51 +135,39 @@ void nfc_loop()
{ {
static int run = 0; static int run = 0;
AMS_DEVICE ams,ams2;
if (!run) if (!run)
{ {
uint8_t regs[0x20];
run = 1; run = 1;
delay(10);
LL_GPIO_SetOutputPin(SOLO_AMS_CS_PORT,SOLO_AMS_CS_PIN);
delay(10);
// LL_GPIO_ResetOutputPin(SOLO_AMS_CS_PORT,SOLO_AMS_CS_PIN);
delay(10); delay(10);
SELECT(); SELECT();
delay(10); delay(10);
// ams_write_command(0xC2); // Set to default state
// ams_write_command(0xC4); // Clear buffer ams_write_command(AMS_CMD_DEFAULT);
ams_write_reg(2,7); ams_write_command(AMS_CMD_CLEAR_BUFFER);
ams_write_reg(AMS_REG_IC_CONF1,7);
int x; int x;
for (x = 0 ; x < 10; x++) for (x = 0 ; x < 2; x++)
{ {
memset(regs,0,sizeof(regs)); read_reg_block(&ams);
// ams_write_reg(1,7); printf1(TAG_NFC,"regs: "); dump_hex1(TAG_NFC,ams.buf,sizeof(AMS_DEVICE));
read_reg_block(regs); ams_print_device(&ams);
printf1(TAG_NFC,"regs: "); dump_hex1(TAG_NFC,regs,sizeof(regs));
} }
printf1(TAG_NFC,"---\r\n"); printf1(TAG_NFC,"---\r\n");
for (x = 0 ; x < 10; x++) for (x = 0 ; x < 2; x++)
{ {
memset(regs,0,sizeof(regs)); read_reg_block2(&ams2);
read_reg_block2(regs); printf1(TAG_NFC,"regs: "); dump_hex1(TAG_NFC,ams.buf,sizeof(AMS_DEVICE));
printf1(TAG_NFC,"regs: "); dump_hex1(TAG_NFC,regs,sizeof(regs));
} }
printf1(TAG_NFC,"Version: %02x\r\n",ams_read_reg(0x1e)); printf1(TAG_NFC,"Version: %02x vs %02x\r\n",ams_read_reg(0x1e), ams.regs.version_maj);
printf1(TAG_NFC,"Product Type: %02x\r\n",ams_read_reg(0x1c)); printf1(TAG_NFC,"Product Type: %02x vs %02x\r\n",ams_read_reg(0x1c), ams.regs.product_type);
printf1(TAG_NFC,"Electrical: %02x vs %02x\r\n",ams_read_reg(2), ams.regs.ic_conf1);
//
// LL_GPIO_SetOutputPin(SOLO_AMS_CS_PORT,SOLO_AMS_CS_PIN);
//
// memset(regs,0,sizeof(regs));
// for (x = 0 ; x < sizeof(regs); x++)
// {
// regs[x] = ams_read_reg(x);
// }
// printf1(TAG_NFC,"regs2: "); dump_hex1(TAG_NFC,regs,sizeof(regs));
} }
} }

View File

@ -1,7 +1,54 @@
#ifndef _NFC_H_ #ifndef _NFC_H_
#define _NFC_H_ #define _NFC_H_
#include <stdint.h>
void nfc_loop(); void nfc_loop();
void nfc_init(); void nfc_init();
typedef union
{
uint8_t buf[0x20];
struct {
uint8_t io_conf; // 0x00
uint8_t ic_conf0; // 0x01
uint8_t ic_conf1; // 0x02
uint8_t ic_conf2; // 0x03
uint8_t rfid_status; // 0x04
uint8_t ic_status; // 0x05
uint8_t _nc0[2]; // 0x06 - 0x07
uint8_t mask_int0; // 0x08
uint8_t mask_int1; // 0x09
uint8_t int0; // 0x0a
uint8_t int1; // 0x0b
uint8_t buffer_status2; // 0x0c
uint8_t buffer_status1; // 0x0d
uint8_t last_nfc_addr; // 0x0e
uint8_t _nc1[0x1b - 0x0f + 1]; // 0x0f - 0x1b
uint8_t product_type; // 0x1c
uint8_t product_subtype; // 0x1d
uint8_t version_maj; // 0x1e
uint8_t version_min; // 0x1f
} regs;
} AMS_DEVICE;
#define AMS_REG_IO_CONF 0x00
#define AMS_REG_IC_CONF0 0x01
#define AMS_REG_IC_CONF1 0x02
#define AMS_REG_IC_CONF2 0x03
#define AMS_CMD_DEFAULT 0x02
#define AMS_CMD_CLEAR_BUFFER 0x04
#define AMS_CMD_RESTART_TRANSCEIVER 0x06
#define AMS_CMD_DIS_EN_TRANSCEIVER 0x07
#define AMS_CMD_TRANSMIT_BUFFER 0x08
#define AMS_CMD_TRANSMIT_ACK 0x09
#define AMS_CMD_TRANSMIT_NACK0 0x0A
#define AMS_CMD_TRANSMIT_NACK1 0x0B
#define AMS_CMD_TRANSMIT_NACK4 0x0D
#define AMS_CMD_TRANSMIT_NACK5 0x0C
#define AMS_CMD_SLEEP 0x10
#define AMS_CMD_SENSE 0x11
#define AMS_CMD_SENSE_SLEEP 0x12
#endif #endif