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comment noting what I set mod and inc to.

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Mariano Alvira 2009-03-30 14:09:29 -04:00
parent 09e99ba429
commit 952b9b5b7e
1 changed files with 2 additions and 0 deletions
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tests/uart1-loopback.c
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@ -21,8 +21,10 @@ void main(void) {
*(volatile uint32_t *)GPIO_FUNC_SEL0 = (0x01 << (14*2)); /* set GPIO14 to UART (UART1 TX)*/ *(volatile uint32_t *)GPIO_FUNC_SEL0 = (0x01 << (14*2)); /* set GPIO14 to UART (UART1 TX)*/
// *(volatile uint32_t *)GPIO_FUNC_SEL0 = ( (0x01 << (14*2)) || (0x01 << (15*2)) ); /* set GPIO15-14 to UART (UART1 TX and RX)*/ // *(volatile uint32_t *)GPIO_FUNC_SEL0 = ( (0x01 << (14*2)) || (0x01 << (15*2)) ); /* set GPIO15-14 to UART (UART1 TX and RX)*/
/* INC = 76; MOD = 1000 */
*(volatile uint32_t *)UART1_BR = 0x004C03E8; /* Baud rate: (INC<<16 || MOD) */ /* is 115200 @ 24 MHz --- unexplained */ *(volatile uint32_t *)UART1_BR = 0x004C03E8; /* Baud rate: (INC<<16 || MOD) */ /* is 115200 @ 24 MHz --- unexplained */
*(volatile uint32_t *)UART1_CON = 0x00000003; /* enable receive and transmit */ *(volatile uint32_t *)UART1_CON = 0x00000003; /* enable receive and transmit */