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revert to precision clock

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iceman1001 2020-10-20 17:34:42 +02:00
commit 2e27a493e8
3 changed files with 27 additions and 28 deletions
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28
armsrc/i2c.c
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@ -47,12 +47,6 @@ static void __attribute__((optimize("O0"))) I2CSpinDelayClk(uint16_t delay) {
#define I2C_DELAY_2CLK I2CSpinDelayClk(2)
#define I2C_DELAY_XCLK(x) I2CSpinDelayClk((x))
#define I2C_DELAY_100us I2CSpinDelayClk( 100 / 3)
#define I2C_DELAY_600us I2CSpinDelayClk( 600 / 3)
#define I2C_DELAY_10ms I2CSpinDelayClk( 10 * 1000 / 3 )
#define I2C_DELAY_30ms I2CSpinDelayClk( 30 * 1000 / 3 )
#define I2C_DELAY_100ms I2CSpinDelayClk( 100 * 1000 / 3)
#define ISO7618_MAX_FRAME 255
// try i2c bus recovery at 100kHz = 5us high, 5us low
@ -134,11 +128,11 @@ void I2C_Reset_EnterMainProgram(void) {
StartTicks();
I2C_init();
I2C_SetResetStatus(0, 0, 0);
I2C_DELAY_30ms;
WaitMS(30);
I2C_SetResetStatus(1, 0, 0);
I2C_DELAY_30ms;
WaitMS(30);
I2C_SetResetStatus(1, 1, 1);
I2C_DELAY_10ms;
WaitMS(10);
}
// Reset the SIM_Adapter, then enter the bootloader program
@ -147,9 +141,9 @@ void I2C_Reset_EnterBootloader(void) {
StartTicks();
I2C_init();
I2C_SetResetStatus(0, 1, 1);
I2C_DELAY_100ms;
WaitMS(100);
I2C_SetResetStatus(1, 1, 1);
I2C_DELAY_10ms;
WaitMS(10);
}
// Wait for the clock to go High.
@ -193,7 +187,7 @@ static bool WaitSCL_L_timeout(void) {
if (!SCL_read)
return true;
I2C_DELAY_100us;
WaitMS(1);
}
return (delay == 0);
}
@ -440,8 +434,7 @@ int16_t I2C_BufferRead(uint8_t *data, uint8_t len, uint8_t device_cmd, uint8_t d
// extra wait 500us (514us measured)
// 200us (xx measured)
// WaitUS(600);
I2C_DELAY_600us;
WaitUS(600);
bool bBreak = true;
uint16_t readcount = 0;
@ -811,8 +804,7 @@ void SmartCardUpgrade(uint64_t arg0) {
}
// writing takes time.
// WaitMS(50);
I2C_DELAY_100ms;
WaitMS(100);
// read
res = I2C_ReadFW(verfiydata, size, msb, lsb, I2C_DEVICE_ADDRESS_BOOT);
@ -844,12 +836,10 @@ void SmartCardSetClock(uint64_t arg0) {
LED_D_ON();
set_tracing(true);
I2C_Reset_EnterMainProgram();
// Send SIM CLC
// start [C0 05 xx] stop
I2C_WriteByte(arg0, I2C_DEVICE_CMD_SIM_CLC, I2C_DEVICE_ADDRESS_MAIN);
reply_mix(CMD_ACK, 1, 0, 0, 0, 0);
reply_ng(CMD_SMART_SETCLOCK, PM3_SUCCESS, NULL, 0);
set_tracing(false);
LEDsoff();
}