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feat: interrupt request

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This commit is contained in:
liuyihui 2023-04-17 22:45:13 +08:00
parent 0b75add2d1
commit 3e1079ec1b
4 changed files with 95 additions and 25 deletions
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1
include/derivative.h
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@ -12,7 +12,6 @@
#define CPU_INT_FAST_CLK_HZ 4000000u // Value of the fast internal oscillator clock frequency in Hz #define CPU_INT_FAST_CLK_HZ 4000000u // Value of the fast internal oscillator clock frequency in Hz
#define UART_MSG UART1 #define UART_MSG UART1
#define UART_WIFI UART2
#define PI 3.1415926 #define PI 3.1415926
#define BIT(x) (1UL << (x)) #define BIT(x) (1UL << (x))

9
include/uart.h
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@ -37,9 +37,12 @@ static inline void uart_init(UART_Type *UART, unsigned long baud) {
// UARTx_BLH is the low 8 bits of SBR (band rate) // UARTx_BLH is the low 8 bits of SBR (band rate)
UART->BDL = sbr & UART_BDL_SBR_MASK; UART->BDL = sbr & UART_BDL_SBR_MASK;
// Enable receiver and transmitter // Enable receiver and transmitter
UART->C2 |= UART_C2_TE_MASK // Transmitter enable UART->C2 |= UART_C2_TE_MASK // Transmitter enable
| UART_C2_RE_MASK // Receiver enable | UART_C2_RE_MASK; // Receiver enable
| UART_C2_RIE_MASK; // Receiver interrupt enable }
static inline void uart_rie_enable(UART_Type *UART) {
UART->C2 |= UART_C2_RIE_MASK; // Receiver interrupt enable
} }
static inline int uart_read_ready(UART_Type *UART) { static inline int uart_read_ready(UART_Type *UART) {

2
main.c
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@ -1,4 +1,3 @@
#include "ESP8266.h"
#include "derivative.h" #include "derivative.h"
#include "systick.h" #include "systick.h"
#include "uart.h" #include "uart.h"
@ -9,6 +8,7 @@ int main(void) {
// Initialize // Initialize
systick_init(CORCLK / 1000); // Period of systick timer : 1ms systick_init(CORCLK / 1000); // Period of systick timer : 1ms
uart_init(UART_MSG, 9600); // Initialize UART1 with PC uart_init(UART_MSG, 9600); // Initialize UART1 with PC
uart_rie_enable(UART_MSG); // Enable UART1 receive interrupt
uart_printf(UART_MSG, "System Clock: %lu\r\n", CORCLK); uart_printf(UART_MSG, "System Clock: %lu\r\n", CORCLK);
uart_printf(UART_MSG, "Bus Clock: %lu\r\n", BUSCLK); uart_printf(UART_MSG, "Bus Clock: %lu\r\n", BUSCLK);

108
src/startup.c
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@ -171,10 +171,7 @@ __attribute__((naked, noreturn)) void _reset(void) {
} }
// Interrupt service routine (ISR) // Interrupt service routine (ISR)
extern void _estack(void); // Defined in link.ld extern void _estack(void); // Defined in link.ld
extern void SysTick_Handler(void); // Defined in main.c
void Default_Handler() { __asm("bkpt"); }
/* /*
Set tab (the vector table) in the section ".vectors" Set tab (the vector table) in the section ".vectors"
@ -183,23 +180,94 @@ void Default_Handler() { __asm("bkpt"); }
the first one is the initial stack pointer the first one is the initial stack pointer
the second one is the initial program counter the second one is the initial program counter
*/ */
void Default_Handler() { __asm("bkpt"); }
void NMI_Handler() __attribute__((weak, alias("Default_Handler")));
void HardFault_Handler() __attribute__((weak, alias("Default_Handler")));
void SVC_Handler() __attribute__((weak, alias("Default_Handler")));
void PendSV_Handler() __attribute__((weak, alias("Default_Handler")));
void SysTick_Handler() __attribute__((weak, alias("Default_Handler")));
void DMA0_IRQHandler() __attribute__((weak, alias("Default_Handler")));
void DMA1_IRQHandler() __attribute__((weak, alias("Default_Handler")));
void DMA2_IRQHandler() __attribute__((weak, alias("Default_Handler")));
void DMA3_IRQHandler() __attribute__((weak, alias("Default_Handler")));
void MCM_IRQHandler() __attribute__((weak, alias("Default_Handler")));
void FTFL_IRQHandler() __attribute__((weak, alias("Default_Handler")));
void PMC_IRQHandler() __attribute__((weak, alias("Default_Handler")));
void LLWU_IRQHandler() __attribute__((weak, alias("Default_Handler")));
void I2C0_IRQHandler() __attribute__((weak, alias("Default_Handler")));
void I2C1_IRQHandler() __attribute__((weak, alias("Default_Handler")));
void SPI0_IRQHandler() __attribute__((weak, alias("Default_Handler")));
void SPI1_IRQHandler() __attribute__((weak, alias("Default_Handler")));
void UART0_IRQHandler() __attribute__((weak, alias("Default_Handler")));
void UART1_IRQHandler() __attribute__((weak, alias("Default_Handler")));
void UART2_IRQHandler() __attribute__((weak, alias("Default_Handler")));
void ADC0_IRQHandler() __attribute__((weak, alias("Default_Handler")));
void CMP0_IRQHandler() __attribute__((weak, alias("Default_Handler")));
void TPM0_IRQHandler() __attribute__((weak, alias("Default_Handler")));
void TPM1_IRQHandler() __attribute__((weak, alias("Default_Handler")));
void TPM2_IRQHandler() __attribute__((weak, alias("Default_Handler")));
void RTC_Alarm_IRQHandler() __attribute__((weak, alias("Default_Handler")));
void RTC_Seconds_IRQHandler() __attribute__((weak, alias("Default_Handler")));
void PIT_IRQHandler() __attribute__((weak, alias("Default_Handler")));
void USBOTG_IRQHandler() __attribute__((weak, alias("Default_Handler")));
void DAC0_IRQHandler() __attribute__((weak, alias("Default_Handler")));
void TSI0_IRQHandler() __attribute__((weak, alias("Default_Handler")));
void MCG_IRQHandler() __attribute__((weak, alias("Default_Handler")));
void LPTMR0_IRQHandler() __attribute__((weak, alias("Default_Handler")));
void PORTA_IRQHandler() __attribute__((weak, alias("Default_Handler")));
void PORTD_IRQHandler() __attribute__((weak, alias("Default_Handler")));
__attribute__((section(".vectors"))) void (*tab[16 + 32])(void) = { __attribute__((section(".vectors"))) void (*tab[16 + 32])(void) = {
_estack, // Initial stack pointer _estack, // Initial stack pointer
_reset, // Reset handler _reset, // Reset handler
Default_Handler, // NMI handler NMI_Handler, // NMI handler
Default_Handler, // Hard Fault handler HardFault_Handler, // Hard Fault handler
0, // Reserved 0, // Reserved
0, // Reserved 0, // Reserved
0, // Reserved 0, // Reserved
0, // Reserved 0, // Reserved
0, // Reserved 0, // Reserved
0, // Reserved 0, // Reserved
0, // Reserved 0, // Reserved
Default_Handler, // SVC handler SVC_Handler, // SVC handler
0, // Reserved 0, // Reserved
0, // Reserved 0, // Reserved
Default_Handler, // PendSV handler PendSV_Handler, // PendSV handler
SysTick_Handler // SysTick handler SysTick_Handler, // SysTick handler
DMA0_IRQHandler, // DMA channel 0 transfer complete and error
DMA1_IRQHandler, // DMA channel 1 transfer complete and error
DMA2_IRQHandler, // DMA channel 2 transfer complete and error
DMA3_IRQHandler, // DMA channel 3 transfer complete and error
MCM_IRQHandler, // Normal interrupt
FTFL_IRQHandler, // command complete and read collision
PMC_IRQHandler, // Low-voltage detect, low-voltage warning
LLWU_IRQHandler, // Low Leakage Wakeup
I2C0_IRQHandler, // I2C0 interrupt
I2C1_IRQHandler, // I2C1 interrupt
SPI0_IRQHandler, // SPI0 interrupt
SPI1_IRQHandler, // SPI1 interrupt
UART0_IRQHandler, // UART0 status and error
UART1_IRQHandler, // UART1 status and error
UART2_IRQHandler, // UART2 status and error
ADC0_IRQHandler, // ADC0 interrupt
CMP0_IRQHandler, // CMP0 interrupt
TPM0_IRQHandler, // TPM0 fault, overflow and channels interrupt
TPM1_IRQHandler, // TPM1 fault, overflow and channels interrupt
TPM2_IRQHandler, // TPM2 fault, overflow and channels interrupt
RTC_Alarm_IRQHandler, // RTC alarm interrupt
RTC_Seconds_IRQHandler, // RTC seconds interrupt
PIT_IRQHandler, // PIT timer all channels interrupt
Default_Handler, // Reserved
USBOTG_IRQHandler, // USB OTG interrupt
DAC0_IRQHandler, // DAC0 interrupt
TSI0_IRQHandler, // TSI0 interrupt
MCG_IRQHandler, // MCG interrupt
LPTMR0_IRQHandler, // LPTimer interrupt
Default_Handler, // Reserved
PORTA_IRQHandler, // Port A interrupt
PORTD_IRQHandler, // Port D interrupt
}; };
__attribute__((section(".cfmconfig"))) uint32_t(cfm[4]) = {0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFE}; __attribute__((section(".cfmconfig"))) uint32_t(cfm[4]) = {0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFE};