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USCI B2 initialization function is complete, along with enable & disable functions

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William Miceli
2021-07-30 21:29:45 -04:00
parent 4b3cfc1ca8
commit b6cecee8aa
2 changed files with 26 additions and 3 deletions
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20
Telem_Debug/Debug_RTC/usci.c
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@@ -147,15 +147,31 @@ void usci_B1_init(void){
/*************************************************************************/
void usci_B2_init(void){
UCB2CTL1 |= UCSWRST; // Software Reset Enable - Set high, disabling the USCI module; Changes to USCI configuration registers can only be made when the UCSWRST bit = 1
UCB2CTL1 |= UCSWRST; // Software Reset Enabled - Set high, disabling the USCI module; Changes to USCI configuration registers can only be made when the UCSWRST bit = 1
UCB2CTL0 &= ~UCA10; // Use 7-bit addressing mode for itself
UCB2CTL0 &= ~UCSLA10; // Use 7-bit addressing mode for slaves
UCB2CTL0 &= ~UCMM; // Single-master environment only
UCB2CTL0 |= UCMST; // Master mode selected
UCB2CTL0 |= UCMODE_3; // I2C mode selected for the USCI
UCB2CTL1 |= UCSSEL__SMCLK; // Use SMCLK as the USCi's clock source
UCB2CTL0 |= UCSYNC; // Synchronous Mode Enabled
UCB2CTL1 |= UCSSEL__SMCLK; // SMCLK selected as clock source
UCB2CTL1 |= UCTR; // Set as Transmitter
UCB2CTL1 &= ~UCTXNACK; // Acknowledge normally, do not generate NACK
UCB2CTL1 &= ~UCTXSTP; // Do not generate STOP condition
UCB2CTL1 &= ~UCTXSTT; // Do not generate START condition
UCB2BRW = 25; // Prescaler for baud rate set to 25
}
void usci_B2_enable(void){
UCB2CTL1 &= ~UCSWRST; // Software Reset Disabled - Set low, enabling the USCI module
}
void usci_B2_disable(void){
UCB2CTL1 |= UCSWRST; // Software Reset Enabled - Set high, disabling the USCI module
}
/*************************************************************************/
/******************************** USCI B3 ********************************/
/*************************************************************************/