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read data if we sent WTX

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This commit is contained in:
merlokk 2019-02-01 21:31:20 +02:00
parent c6daa4acc9
commit 6e5de7bd6b
1 changed files with 12 additions and 2 deletions
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14
targets/stm32l432/src/nfc.c
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@ -223,16 +223,26 @@ bool WTX_on(int WTX_time)
return true; return true;
} }
bool WTX_process(int read_timeout);
bool WTX_off() bool WTX_off()
{ {
if (WTX_fail) if (WTX_fail)
return false; return false;
// read data if we sent WTX
if (WTX_sent)
{
if (!WTX_process(10))
return false;
}
return true; return true;
} }
// executes twice a period. 1st for send WTX, 2nd for check the result // executes twice a period. 1st for send WTX, 2nd for check the result
bool WTX_process() // read timeout must be 0 to call from int
bool WTX_process(int read_timeout)
{ {
uint8_t wtx[] = {0xf2, 0x01}; uint8_t wtx[] = {0xf2, 0x01};
if (WTX_fail) if (WTX_fail)
@ -248,7 +258,7 @@ bool WTX_process()
{ {
uint8_t data[32]; uint8_t data[32];
int len; int len;
if (ams_receive_with_timeout(0, data, sizeof(data), &len)) if (ams_receive_with_timeout(read_timeout, data, sizeof(data), &len))
{ {
WTX_fail = true; WTX_fail = true;
return false; return false;