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chg: chips select

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This commit is contained in:
iceman1001
2018-02-15 09:18:31 +01:00
parent 95c443c303
commit d20b11a288
1 changed files with 2 additions and 2 deletions
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4
armsrc/fpgaloader.c
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@@ -61,7 +61,7 @@ void SetupSpi(int mode) {
GPIO_NCS3; GPIO_NCS3;
//enable the SPI Peripheral clock //enable the SPI Peripheral clock
AT91C_BASE_PMC->PMC_PCER = (1<<AT91C_ID_SPI); AT91C_BASE_PMC->PMC_PCER = (1 << AT91C_ID_SPI);
// Enable SPI // Enable SPI
AT91C_BASE_SPI->SPI_CR = AT91C_SPI_SPIEN; AT91C_BASE_SPI->SPI_CR = AT91C_SPI_SPIEN;
@@ -111,7 +111,7 @@ void SetupSpi(int mode) {
( 0 << 2) | // Chip selects connected directly to peripheral ( 0 << 2) | // Chip selects connected directly to peripheral
( 0 << 1) | // Fixed Peripheral Select ( 0 << 1) | // Fixed Peripheral Select
( 1 << 0); // Master Mode ( 1 << 0); // Master Mode
AT91C_BASE_SPI->SPI_CSR[2] = AT91C_BASE_SPI->SPI_CSR[3] =
( 1 << 24) | // Delay between Consecutive Transfers (32 MCK periods) ( 1 << 24) | // Delay between Consecutive Transfers (32 MCK periods)
( 1 << 16) | // Delay Before SPCK (1 MCK period) ( 1 << 16) | // Delay Before SPCK (1 MCK period)
( 6 << 8) | // Serial Clock Baud Rate (baudrate = MCK/6 = 24Mhz/6 = 4M baud ( 6 << 8) | // Serial Clock Baud Rate (baudrate = MCK/6 = 24Mhz/6 = 4M baud