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msp432p401lp-cc256x: use 48 Mhz MCLK

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This commit is contained in:
Matthias Ringwald 2018-06-13 18:41:02 +02:00
parent b3a2b5e1eb
commit acf554ec35
2 changed files with 23 additions and 18 deletions
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39
port/msp432p401lp-cc256x/main.c
View File

@ -27,7 +27,7 @@
static hci_transport_config_uart_t config = {
HCI_TRANSPORT_CONFIG_UART,
115200,
1000000, // main baudrate
460800, // main baudrate
1, // flow control
NULL,
};
@ -156,7 +156,7 @@ void SysTick_Handler(void)
static void init_systick(void){
// Configuring SysTick to trigger every ms (48 Mhz / 48000 = 1 ms)
MAP_SysTick_enableModule();
MAP_SysTick_setPeriod(24000);
MAP_SysTick_setPeriod(48000);
// MAP_Interrupt_enableSleepOnIsrExit();
MAP_SysTick_enableInterrupt();
}
@ -219,6 +219,8 @@ static struct baudrate_config {
uint8_t second_mod_reg;
uint8_t oversampling;
} baudrate_configs[] = {
#if 0
// Config for 24 Mhz
{ 115200, 13, 0, 37, 1},
{ 230400, 6, 8, 32, 1},
{ 460800, 3, 4, 2, 1},
@ -226,6 +228,18 @@ static struct baudrate_config {
{ 1000000, 1, 8, 0, 1},
{ 2000000, 12, 0, 0, 0},
{ 3000000, 8, 0, 0, 0},
{ 3000000, 6, 0, 0, 0},
#else
// Config for 48 Mhz
{ 115200, 26, 1, 111, 1},
{ 230400, 13, 0, 37, 1},
{ 460800, 6, 8, 32, 1},
{ 921600, 3, 4, 2, 1},
{ 1000000, 3, 0, 0, 1},
{ 2000000, 1, 8, 0, 1},
{ 3000000, 16, 0, 0, 0},
{ 3000000, 12, 0, 0, 0},
#endif
};
static inline void hal_uart_dma_enable_rx(void){
@ -371,19 +385,6 @@ void hal_uart_dma_receive_block(uint8_t *buffer, uint16_t len){
// End of HAL UART DMA
#if 0
static uint8_t hci_reset[] = { 1, 3, 0x0c, 0};
static uint8_t rx_buffer[10];
static volatile int w4_tc;
static volatile int w4_rc;
static void tc_callback(void){
w4_tc = 0;
}
static void rc_callback(void){
w4_rc = 0;
}
#endif
#include "SEGGER_RTT.h"
// HAL FLASH MSP432 Configuration - use two last 4kB sectors
@ -397,11 +398,15 @@ int btstack_main(const int argc, const char * argvp[]);
int main(void)
{
volatile uint32_t ii;
/* Halting the Watchdog */
MAP_WDT_A_holdTimer();
/* Setting our MCLK to 48MHz - directly setting it in system_msp432p401r didn't work */
MAP_PCM_setCoreVoltageLevel(PCM_VCORE1);
FlashCtl_setWaitState(FLASH_BANK0, 2);
FlashCtl_setWaitState(FLASH_BANK1, 2);
MAP_CS_setDCOCenteredFrequency(CS_DCO_FREQUENCY_48);
init_systick();
// start with BTstack init - especially configure HCI Transport

2
port/msp432p401lp-cc256x/system_msp432p401r.c
View File

@ -104,7 +104,7 @@
// <12000000> 12 MHz
// <24000000> 24 MHz
// <48000000> 48 MHz
#define __SYSTEM_CLOCK 24000000
#define __SYSTEM_CLOCK 1500000
/*--------------------- Power Regulator Configuration -----------------------*/
// Power Regulator Mode