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CHG: adjustments to 3.6ms

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This commit is contained in:
iceman1001 2016-10-07 21:28:09 +02:00
parent 59fc313d99
commit 715bed5023
1 changed files with 9 additions and 7 deletions
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16
armsrc/legicrf.c
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@ -405,17 +405,18 @@ int legic_read_byte( uint16_t index, uint8_t cmd_sz) {
bool legic_write_byte(uint16_t index, uint8_t byte, uint8_t addr_sz) {
bool isOK = false;
uint8_t i = 80, edges = 0;
int8_t i = 40;
uint8_t edges = 0;
uint8_t cmd_sz = addr_sz+1+8+4; //crc+data+cmd;
uint32_t steps = 0, next_bit_at, start, crc, old_level = 0;
/*
/*
crc_clear(&legic_crc);
crc_update(&legic_crc, 0, 1); // CMD_WRITE
crc_update(&legic_crc, index, addr_sz);
crc_update(&legic_crc, byte, 8);
uint32_t crc = crc_finish(&legic_crc);
*/
crc = crc_finish(&legic_crc);
*/
crc = legic4Crc(LEGIC_WRITE, index, byte, addr_sz+1);
// send write command
@ -425,9 +426,9 @@ bool legic_write_byte(uint16_t index, uint8_t byte, uint8_t addr_sz) {
cmd |= (crc & 0xF ) << (addr_sz+1+8); // CRC
/* Bitbang the response */
SHORT_COIL;
AT91C_BASE_PIOA->PIO_PER = GPIO_SSC_DOUT;
legic_prng_forward(2);
WaitTicks(330);
frame_sendAsReader(cmd, cmd_sz);
@ -438,8 +439,7 @@ bool legic_write_byte(uint16_t index, uint8_t byte, uint8_t addr_sz) {
// ACK, - one single "1" bit after 3.6ms
// 3.6ms = 3600us * 1.5 = 5400ticks.
WaitTicks(5000);
//WaitTicks(330);
WaitTicks(5300);
next_bit_at = GET_TICKS + TAG_BIT_PERIOD;
@ -467,6 +467,8 @@ bool legic_write_byte(uint16_t index, uint8_t byte, uint8_t addr_sz) {
}
}
Dbprintf("ice: i == %d",i);
OUT: ;
// log
uint8_t cmdbytes[] = {1, isOK, BYTEx(steps, 0), BYTEx(steps, 1) };