133 lines
2.8 KiB
C
133 lines
2.8 KiB
C
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#include "cli.h"
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#include <os/os.h>
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#include <driver/pwm.h>
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#define CLI_UNDEFINE 1
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#define CLI_DABORT 2
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#define CLI_ILLEGAL 3
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typedef void (*cli_fn_t)(uint32_t param);
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static void cli_exception_prompt(void)
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{
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os_printf("usage: exception {undefine|dabort|illegal}\n");
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}
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/**
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* In order to generate data abort, cli_data_abort shall be defined
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* as non-static function, otherwise no data abort because of compiler
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* optimization
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*/
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void cli_data_abort(uint32_t unaligned_addr)
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{
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uint32_t *crash = (uint32_t*)unaligned_addr;
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os_printf("call %s\n", __FUNCTION__);
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os_printf("Generate data abort exception\n");
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*crash = 100;
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}
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void cli_f3(uint32_t exception_type)
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{
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char *undefine = 0;
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cli_fn_t illegal = 0;
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os_printf("call %s\n", __FUNCTION__);
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switch (exception_type) {
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case CLI_UNDEFINE:
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os_printf("Generate undefined exception\n");
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*undefine = 0;
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break;
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case CLI_DABORT:
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cli_data_abort(11);
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break;
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case CLI_ILLEGAL:
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os_printf("Generate illegal jump exception\n");
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rtos_delay_milliseconds(100);
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illegal(100);
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break;
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default:
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os_printf("invalid exception type\n");
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}
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}
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void cli_f2(uint32_t exception_type)
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{
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os_printf("call %s\n", __FUNCTION__);
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cli_f3(exception_type);
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}
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void cli_f1(uint32_t exception_type)
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{
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os_printf("call %s\n", __FUNCTION__);
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cli_f2(exception_type);
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}
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#if CONFIG_PWM
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static void cli_pwm0_isr(pwm_chan_t chan)
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{
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char *s_undefine = 0;
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os_printf("PWM isr triggered\n");
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os_printf("Generate undefined exception in isr\n");
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*s_undefine = 0;
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}
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#endif
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static void cli_irq(void)
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{
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#if CONFIG_PWM
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pwm_init_config_t config = {
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.period_cycle = 26000000,
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.duty_cycle = 13000000,
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.duty2_cycle = 0,
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.duty3_cycle = 0,
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.psc = 25,
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.reserved = {0},
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};
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BK_LOG_ON_ERR(bk_pwm_driver_init());
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BK_LOG_ON_ERR(bk_pwm_init(0, &config));
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BK_LOG_ON_ERR(bk_pwm_register_isr(0, cli_pwm0_isr));
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BK_LOG_ON_ERR(bk_pwm_start(0));
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BK_LOG_ON_ERR(bk_pwm_enable_interrupt(0));
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#else
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os_printf("CONFIG_PWM UNDEFINE\n");
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#endif
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}
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static void cli_exception_cmd(char *pcWriteBuffer, int xWriteBufferLen, int argc, char **argv)
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{
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if (argc != 2) {
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cli_exception_prompt();
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return;
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}
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if (os_strcmp(argv[1], "undefine") == 0) {
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cli_f1(CLI_UNDEFINE);
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} else if (os_strcmp(argv[1], "dabort") == 0) {
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cli_f1(CLI_DABORT);
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} else if (os_strcmp(argv[1], "illegal") == 0) {
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cli_f1(CLI_ILLEGAL);
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} else if (os_strcmp(argv[1], "irq") == 0) {
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cli_irq();
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} else if (os_strcmp(argv[1], "fiq") == 0) {
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} else {
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cli_exception_prompt();
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}
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}
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#define EXCEPTION_CMD_CNT (sizeof(s_exception_commands) / sizeof(struct cli_command))
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static const struct cli_command s_exception_commands[] = {
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{"exception", "{undefine|dabort|illegal|irq|fiq}", cli_exception_cmd},
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};
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int cli_exception_init(void)
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{
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return cli_register_commands(s_exception_commands, EXCEPTION_CMD_CNT);
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}
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