//*********************************************************************************************************************//
// Change UART baud rate from 9600 to 115200 after we set bluetooth frequency to 115200
void set_uart_baud_rate(unsigned int uart_base)
{
/* Make sure the UART is disabled before trying to configure it */
REG(uart_base + UART_CTL) = UART_CTL_VALUE;
/* Baud Rate Generation */
REG(uart_base + UART_IBRD) = BAUD2IBRD(115200);
REG(uart_base + UART_FBRD) = BAUD2FBRD(115200);
/* UART Control: 8N1 with FIFOs */
REG(uart_base + UART_LCRH) = UART_LCRH_WLEN_8 | UART_LCRH_FEN;
/* UART Enable */
REG(uart_base + UART_CTL) |= UART_CTL_UARTEN;
}
uart_pad_t rx;
uart_pad_t tx;
uart_pad_t cts;
uart_pad_t rts;
uint8_t nvic_int;
} uart_regs_t;
/*---------------------------------------------------------------------------*/
static const uart_regs_t uart_regs[UART_INSTANCE_COUNT] = {
{
.sys_ctrl_rcgcuart_uart = SYS_CTRL_RCGCUART_UART0,
.sys_ctrl_scgcuart_uart = SYS_CTRL_SCGCUART_UART0,
.sys_ctrl_dcgcuart_uart = SYS_CTRL_DCGCUART_UART0,
.base = UART_0_BASE,
.ioc_uartrxd_uart = IOC_UARTRXD_UART0,
.ioc_pxx_sel_uart_txd = IOC_PXX_SEL_UART0_TXD,
.ibrd = BAUD2IBRD(UART0_CONF_BAUD_RATE),
.fbrd = BAUD2FBRD(UART0_CONF_BAUD_RATE),
.rx = {UART0_RX_PORT, UART0_RX_PIN},
.tx = {UART0_TX_PORT, UART0_TX_PIN},
.cts = {-1, -1},
.rts = {-1, -1},
.nvic_int = NVIC_INT_UART0
}, {
.sys_ctrl_rcgcuart_uart = SYS_CTRL_RCGCUART_UART1,
.sys_ctrl_scgcuart_uart = SYS_CTRL_SCGCUART_UART1,
.sys_ctrl_dcgcuart_uart = SYS_CTRL_DCGCUART_UART1,
.base = UART_1_BASE,
.ioc_uartrxd_uart = IOC_UARTRXD_UART1,
.ioc_pxx_sel_uart_txd = IOC_PXX_SEL_UART1_TXD,
.ibrd = BAUD2IBRD(UART1_CONF_BAUD_RATE),
.fbrd = BAUD2FBRD(UART1_CONF_BAUD_RATE),