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erase the security register pages before writing

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Trammell hudson 2019-01-13 20:01:51 -05:00
parent 676bcb33a1
commit 20978ad4e5
Failed to extract signature
1 changed files with 16 additions and 0 deletions
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16
spi.c
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@ -347,6 +347,22 @@ void spiWriteSecurity(struct ff_spi *spi, uint8_t sr, uint8_t security[256]) {
spiCommand(spi, 0x06);
spiEnd(spi);
// erase the register
spiBegin(spi);
spiCommand(spi, 0x44);
spiCommand(spi, 0x00); // A23-16
spiCommand(spi, sr); // A15-8
spiCommand(spi, 0x00); // A0-7
spiEnd(spi);
spi_get_id(spi);
sleep(1);
// write enable
spiBegin(spi);
spiCommand(spi, 0x06);
spiEnd(spi);
spiBegin(spi);
spiCommand(spi, 0x42);
spiCommand(spi, 0x00); // A23-16