feat: interrupt request
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0b75add2d1
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3e1079ec1b
@ -12,7 +12,6 @@
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#define CPU_INT_FAST_CLK_HZ 4000000u // Value of the fast internal oscillator clock frequency in Hz
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#define UART_MSG UART1
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#define UART_WIFI UART2
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#define PI 3.1415926
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#define BIT(x) (1UL << (x))
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@ -38,8 +38,11 @@ static inline void uart_init(UART_Type *UART, unsigned long baud) {
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UART->BDL = sbr & UART_BDL_SBR_MASK;
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// Enable receiver and transmitter
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UART->C2 |= UART_C2_TE_MASK // Transmitter enable
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| UART_C2_RE_MASK // Receiver enable
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| UART_C2_RIE_MASK; // Receiver interrupt enable
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| UART_C2_RE_MASK; // Receiver enable
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}
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static inline void uart_rie_enable(UART_Type *UART) {
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UART->C2 |= UART_C2_RIE_MASK; // Receiver interrupt enable
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}
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static inline int uart_read_ready(UART_Type *UART) {
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2
main.c
2
main.c
@ -1,4 +1,3 @@
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#include "ESP8266.h"
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#include "derivative.h"
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#include "systick.h"
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#include "uart.h"
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@ -9,6 +8,7 @@ int main(void) {
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// Initialize
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systick_init(CORCLK / 1000); // Period of systick timer : 1ms
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uart_init(UART_MSG, 9600); // Initialize UART1 with PC
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uart_rie_enable(UART_MSG); // Enable UART1 receive interrupt
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uart_printf(UART_MSG, "System Clock: %lu\r\n", CORCLK);
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uart_printf(UART_MSG, "Bus Clock: %lu\r\n", BUSCLK);
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@ -172,9 +172,6 @@ __attribute__((naked, noreturn)) void _reset(void) {
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// Interrupt service routine (ISR)
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extern void _estack(void); // Defined in link.ld
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extern void SysTick_Handler(void); // Defined in main.c
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void Default_Handler() { __asm("bkpt"); }
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/*
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Set tab (the vector table) in the section ".vectors"
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@ -183,11 +180,50 @@ void Default_Handler() { __asm("bkpt"); }
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the first one is the initial stack pointer
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the second one is the initial program counter
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*/
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void Default_Handler() { __asm("bkpt"); }
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void NMI_Handler() __attribute__((weak, alias("Default_Handler")));
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void HardFault_Handler() __attribute__((weak, alias("Default_Handler")));
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void SVC_Handler() __attribute__((weak, alias("Default_Handler")));
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void PendSV_Handler() __attribute__((weak, alias("Default_Handler")));
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void SysTick_Handler() __attribute__((weak, alias("Default_Handler")));
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void DMA0_IRQHandler() __attribute__((weak, alias("Default_Handler")));
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void DMA1_IRQHandler() __attribute__((weak, alias("Default_Handler")));
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void DMA2_IRQHandler() __attribute__((weak, alias("Default_Handler")));
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void DMA3_IRQHandler() __attribute__((weak, alias("Default_Handler")));
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void MCM_IRQHandler() __attribute__((weak, alias("Default_Handler")));
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void FTFL_IRQHandler() __attribute__((weak, alias("Default_Handler")));
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void PMC_IRQHandler() __attribute__((weak, alias("Default_Handler")));
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void LLWU_IRQHandler() __attribute__((weak, alias("Default_Handler")));
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void I2C0_IRQHandler() __attribute__((weak, alias("Default_Handler")));
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void I2C1_IRQHandler() __attribute__((weak, alias("Default_Handler")));
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void SPI0_IRQHandler() __attribute__((weak, alias("Default_Handler")));
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void SPI1_IRQHandler() __attribute__((weak, alias("Default_Handler")));
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void UART0_IRQHandler() __attribute__((weak, alias("Default_Handler")));
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void UART1_IRQHandler() __attribute__((weak, alias("Default_Handler")));
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void UART2_IRQHandler() __attribute__((weak, alias("Default_Handler")));
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void ADC0_IRQHandler() __attribute__((weak, alias("Default_Handler")));
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void CMP0_IRQHandler() __attribute__((weak, alias("Default_Handler")));
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void TPM0_IRQHandler() __attribute__((weak, alias("Default_Handler")));
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void TPM1_IRQHandler() __attribute__((weak, alias("Default_Handler")));
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void TPM2_IRQHandler() __attribute__((weak, alias("Default_Handler")));
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void RTC_Alarm_IRQHandler() __attribute__((weak, alias("Default_Handler")));
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void RTC_Seconds_IRQHandler() __attribute__((weak, alias("Default_Handler")));
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void PIT_IRQHandler() __attribute__((weak, alias("Default_Handler")));
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void USBOTG_IRQHandler() __attribute__((weak, alias("Default_Handler")));
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void DAC0_IRQHandler() __attribute__((weak, alias("Default_Handler")));
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void TSI0_IRQHandler() __attribute__((weak, alias("Default_Handler")));
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void MCG_IRQHandler() __attribute__((weak, alias("Default_Handler")));
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void LPTMR0_IRQHandler() __attribute__((weak, alias("Default_Handler")));
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void PORTA_IRQHandler() __attribute__((weak, alias("Default_Handler")));
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void PORTD_IRQHandler() __attribute__((weak, alias("Default_Handler")));
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__attribute__((section(".vectors"))) void (*tab[16 + 32])(void) = {
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_estack, // Initial stack pointer
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_reset, // Reset handler
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Default_Handler, // NMI handler
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Default_Handler, // Hard Fault handler
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NMI_Handler, // NMI handler
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HardFault_Handler, // Hard Fault handler
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0, // Reserved
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0, // Reserved
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0, // Reserved
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@ -195,11 +231,43 @@ __attribute__((section(".vectors"))) void (*tab[16 + 32])(void) = {
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0, // Reserved
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0, // Reserved
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0, // Reserved
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Default_Handler, // SVC handler
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SVC_Handler, // SVC handler
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0, // Reserved
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0, // Reserved
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Default_Handler, // PendSV handler
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SysTick_Handler // SysTick handler
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PendSV_Handler, // PendSV handler
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SysTick_Handler, // SysTick handler
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DMA0_IRQHandler, // DMA channel 0 transfer complete and error
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DMA1_IRQHandler, // DMA channel 1 transfer complete and error
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DMA2_IRQHandler, // DMA channel 2 transfer complete and error
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DMA3_IRQHandler, // DMA channel 3 transfer complete and error
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MCM_IRQHandler, // Normal interrupt
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FTFL_IRQHandler, // command complete and read collision
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PMC_IRQHandler, // Low-voltage detect, low-voltage warning
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LLWU_IRQHandler, // Low Leakage Wakeup
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I2C0_IRQHandler, // I2C0 interrupt
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I2C1_IRQHandler, // I2C1 interrupt
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SPI0_IRQHandler, // SPI0 interrupt
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SPI1_IRQHandler, // SPI1 interrupt
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UART0_IRQHandler, // UART0 status and error
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UART1_IRQHandler, // UART1 status and error
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UART2_IRQHandler, // UART2 status and error
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ADC0_IRQHandler, // ADC0 interrupt
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CMP0_IRQHandler, // CMP0 interrupt
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TPM0_IRQHandler, // TPM0 fault, overflow and channels interrupt
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TPM1_IRQHandler, // TPM1 fault, overflow and channels interrupt
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TPM2_IRQHandler, // TPM2 fault, overflow and channels interrupt
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RTC_Alarm_IRQHandler, // RTC alarm interrupt
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RTC_Seconds_IRQHandler, // RTC seconds interrupt
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PIT_IRQHandler, // PIT timer all channels interrupt
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Default_Handler, // Reserved
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USBOTG_IRQHandler, // USB OTG interrupt
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DAC0_IRQHandler, // DAC0 interrupt
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TSI0_IRQHandler, // TSI0 interrupt
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MCG_IRQHandler, // MCG interrupt
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LPTMR0_IRQHandler, // LPTimer interrupt
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Default_Handler, // Reserved
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PORTA_IRQHandler, // Port A interrupt
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PORTD_IRQHandler, // Port D interrupt
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};
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__attribute__((section(".cfmconfig"))) uint32_t(cfm[4]) = {0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFE};
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